Kirk Schafer

Level 16

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My Codes

unions : internal float bytes : Q&A

Last Modified: 01/18/2019 02:21:39

Timeout acquire (server)

Last Modified: 01/05/2019 06:20:28

Timeout acquire (client)

Last Modified: 01/05/2019 06:16:38

web

Spin gradient [+ setInterval benchmark]

Last Modified: 01/03/2019 03:40:07

web

BCD (binary-coded-decimal) clock

Last Modified: 01/01/2019 19:47:48

web

A couple binding tricks

Last Modified: 12/26/2018 02:20:32

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Polling: worse (event-driven: better)

Last Modified: 12/25/2018 01:39:35

web

Variable-velocity slider

Last Modified: 12/25/2018 01:28:41

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Download files from memory (txt + zip)

Last Modified: 12/21/2018 06:10:59

Immortal object (PEP 0442 : Resurrection)

Last Modified: 12/20/2018 17:27:13

cringy variable passing

Last Modified: 12/17/2018 23:17:52

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websocket fight

Last Modified: 12/06/2018 23:26:13

"switch" for Python (v2; simpler)

Last Modified: 12/05/2018 01:10:03

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Explore float64 / double (Internals)

Last Modified: 12/03/2018 16:58:42

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YouTube Player Javascript API

Last Modified: 11/30/2018 01:48:45

Self-modifying code [new bytecode at runtime]

Last Modified: 11/25/2018 03:24:34

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Speech synthesis (custom msg, random voice, xkcd)

Last Modified: 11/21/2018 19:01:02

help() without Time Limit Exceeded

Last Modified: 11/05/2018 18:59:39

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Fibonacci 'JS generator', custom seeds (Lucas #'s), phi convergence

Last Modified: 10/31/2018 15:32:50

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Fibonacci 'JS iterable'

Last Modified: 10/30/2018 03:47:28

Type timing: fast32, normal and least32

Last Modified: 10/30/2018 03:44:49

Terrible way to say ("HI")

Last Modified: 10/29/2018 02:17:12

web

FAST background threads (no imports)

Last Modified: 10/27/2018 00:39:13

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Rnd color noise + accelerator datatype [added CPU profiler]

Last Modified: 10/21/2018 18:21:28

Gameloop with Pythonic quit

Last Modified: 10/17/2018 04:32:26

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Spiral+accuracy: Math, BigNumber, Decimal, NumericJS

Last Modified: 10/13/2018 16:34:39

cpp

Can you fix this? Is 1-line utf16 possible?

Last Modified: 10/05/2018 05:38:16

cpp

Confused by earlier errors, bailing out [Silly preproc tricks]

Last Modified: 10/05/2018 03:03:27

Internal compiler error, line -1 [Silly preproc tricks]

Last Modified: 10/05/2018 03:02:54

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preventDefault, bubbling + capturing

Last Modified: 09/29/2018 19:26:05

TabError: Inconsistent use of tabs and spaces

Last Modified: 09/28/2018 05:40:11

web

Disable Inspector, View Source, right-click, debug breakpoint

Last Modified: 09/27/2018 22:09:11

[c] Enable unicode (UTF-16) in app [shortened + notes]

Last Modified: 09/27/2018 13:49:19

Server info stuff

Last Modified: 09/26/2018 16:13:03

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SoloLearn logo imagemap [shows debug]

Last Modified: 09/26/2018 13:55:02

What's wrong...? [Play code]

Last Modified: 09/26/2018 05:33:29

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Restore after document.write()

Last Modified: 09/22/2018 01:58:23

Sololearn C version

Last Modified: 09/08/2018 18:25:23

cpp

SoloLearn c++ version

Last Modified: 09/08/2018 18:24:33

Optimize? [see Q&A link]

Last Modified: 09/05/2018 02:20:04

How many balls? EmojiInt / __rtruediv override

Last Modified: 09/04/2018 05:46:51

Import custom module

Last Modified: 09/03/2018 04:27:09

working POST demo (urllib)

Last Modified: 08/29/2018 01:31:41

Socket connection time query

Last Modified: 08/21/2018 17:33:35

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CodePen -> SoloLearn [for Q&A 1459888]

Last Modified: 08/18/2018 04:51:48

cpp

[c++] Enable unicode (UTF-16) in app

Last Modified: 08/15/2018 15:11:33

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Rolling Shutter Effect + extras

Last Modified: 08/11/2018 03:18:16

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Ball overlay split animation [worker]

Last Modified: 07/26/2018 17:00:00

php

PHP wrapper / can-take-input? infos

Last Modified: 07/24/2018 00:07:04

ipaddress module (v4, v6)

Last Modified: 07/19/2018 06:04:29

List SoloLearn modules (updated)

Last Modified: 07/18/2018 16:22:47

106

java

Why use interfaces?

Last Modified: 07/12/2018 05:15:32

[Python] Enable unicode in app (UTF-16: colors, shapes, special characters)

Last Modified: 07/02/2018 16:36:00

190

Decorate an internal function (make "print" self-time, self-repeat)

Last Modified: 07/02/2018 03:32:44

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Strobe light (v1.5 : timer overhaul)

Last Modified: 06/30/2018 05:53:52

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File exists (HEAD) request with JS

Last Modified: 06/30/2018 02:51:43

[Ruby] Enable unicode (UTF-16) in app

Last Modified: 06/28/2018 20:58:30

[Kotlin] Enable unicode (UTF-16) in app

Last Modified: 06/28/2018 20:58:28

java

[Java] Enable unicode (UTF-16) in app

Last Modified: 06/28/2018 20:58:27

[C#] Enable unicode (UTF-16) in app

Last Modified: 06/28/2018 20:58:26

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Runaway regex: catastrophic backtracking (safe threads) [refactor]

Last Modified: 06/28/2018 02:05:03

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Disable/null console (short/silent + longer/demo versions)

Last Modified: 06/27/2018 21:02:04

[challenge] print -> puts/printf (ctypes) override

Last Modified: 06/27/2018 15:47:08

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Orientation API [lagfix] (portrait + landscape + lock, resizes + soft keyboard)

Last Modified: 06/27/2018 05:55:00

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[ES6] Sensors live streams [ acceleration gravity rotation ]

Last Modified: 06/24/2018 21:04:29

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Sensors live streams [ acceleration gravity rotation ]

Last Modified: 06/24/2018 21:03:24

php

php server: create image / list extensions [bugfix]

Last Modified: 06/24/2018 02:26:58

AST and a little mischief [Abstract Syntax Tree]

Last Modified: 06/22/2018 23:59:04

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JS: Python-like assignment + swap (a,b = b,a)

Last Modified: 06/22/2018 05:50:06

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Erasable radio buttons

Last Modified: 06/16/2018 05:19:09

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Mix ES5 / ES6 in same file

Last Modified: 06/05/2018 01:35:08

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Truly random (not a PRNG) [ES5/ES6 fix]

Last Modified: 06/04/2018 23:09:35

Generic Internet file retriever (0.3 beta)

Last Modified: 05/30/2018 06:21:09

web

(US ONLY) Monopoly rare/semi-rare fast code checker [expires 2018-05-29]

Last Modified: 05/29/2018 01:25:01

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animated yin-yang - 1 div / no js

Last Modified: 05/25/2018 03:47:32

cpp

DOS special device file (illegal replacement target)

Last Modified: 05/24/2018 16:26:32

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Dump image EXIF metadata (gps, camera, aperature, flash, shutter, resolution, ...)

Last Modified: 05/24/2018 05:22:50

Unicode FizzBuzz [Python]

Last Modified: 05/23/2018 05:34:20

cpp

Custom code before/after main() [constructor / destructor]

Last Modified: 05/22/2018 22:43:52

web

var scope matters (access times: global vs local vs loop)

Last Modified: 05/20/2018 04:29:10

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regl triangle (fix: old webviews) [WebGL]

Last Modified: 05/03/2018 06:10:11

web

Dark Knight/Batpod (Shepard Tone Illusion) [Audio] (bug check)

Last Modified: 05/01/2018 19:16:19

SoloLearn console type (I/O seen by codes)

Last Modified: 04/30/2018 05:11:03

Time it takes to query the time (clock, time, perf_counter + several host statistics)

Last Modified: 04/25/2018 03:42:20

bytecode + disassembly info [Python]

Last Modified: 04/23/2018 19:40:56

CPU-ID : let's query CPU info [bugfix: model/family]

Last Modified: 04/13/2018 01:21:28

cpp

SoloLearn compile number (in-memory + argv)

Last Modified: 04/11/2018 21:33:37

hexdump -C (small, wide, blocks modes)

Last Modified: 04/07/2018 17:26:16

prints forever (no loop)

Last Modified: 04/04/2018 17:27:58

goto by fatal signal (FPE 1000x for challenge)

Last Modified: 04/04/2018 04:36:10

HTTP / CORS check (HEAD/OPTIONS/GET) +https, virtualhost

Last Modified: 04/02/2018 01:16:35

Random() coprimes == pi ?! + video

Last Modified: 03/30/2018 05:18:24

Numpy vs Python speed (works; +better)

Last Modified: 03/30/2018 03:50:39

cpp

booleans set to 1 on ++? (below c++17 only)

Last Modified: 03/30/2018 02:33:38

cpp

Newlines faster than << endl

Last Modified: 03/30/2018 00:29:25

java

kernel timer granularity (15.6 ms)

Last Modified: 03/29/2018 23:30:54

web

Code/File difference utility (+URL double-barrel autoload)

Last Modified: 03/29/2018 02:46:24

Various sysinfos

Last Modified: 03/27/2018 21:25:05

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Cipher Analyzer (Vigenère/Caesar/Shift/Vigenere)

Last Modified: 03/16/2018 05:31:27

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Wooo! [audio demo] (bugfixes)

Last Modified: 03/10/2018 02:16:59

Console 3-day weather (Extraction: 4 columns to 1 long vertical)

Last Modified: 01/22/2018 22:58:49

Decimal to binary fraction (base 10 -> base 2)

Last Modified: 01/18/2018 00:41:11

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Advanced Graphing Calculator (Desmos API)

Last Modified: 01/09/2018 23:41:06

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Archimedian spiral length by steps

Last Modified: 01/03/2018 06:45:46

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Sortof a spirograph

Last Modified: 01/03/2018 06:36:10

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Self-modifying JS replacement

Last Modified: 12/31/2017 02:02:57

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Canvas: resize "zoom" (CSS vs HTML dimensions)

Last Modified: 12/28/2017 02:06:54

scanf works...but remember the NULL byte

Last Modified: 12/08/2017 14:55:52

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The Sun...now-ish [all satellite sensors]

Last Modified: 12/02/2017 04:43:32

java

char matrix permutations (optional repeat)

Last Modified: 11/30/2017 19:10:54

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Self code index

Last Modified: 11/28/2017 03:26:25

UUencode / UUdecode (newsgroups, email)

Last Modified: 11/27/2017 15:56:11

readline vs readlines (Q&A)

Last Modified: 11/27/2017 15:37:31

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StarWars Imperial March [audio ~ haptic sync]

Last Modified: 11/24/2017 01:17:27

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Check AnimationFrame rate bug

Last Modified: 11/22/2017 21:08:27

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Image-event-driven photo scan, calendar picker

Last Modified: 11/17/2017 14:26:10

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Modulo bias in PRNG [PoC; cleaning up]

Last Modified: 11/13/2017 04:45:01

Egyptian multiply trick : How computers do it

Last Modified: 11/09/2017 04:25:30

New matrix multiply operator @ vs .dot()

Last Modified: 11/06/2017 23:28:33

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NaN 'gotcha'

Last Modified: 11/06/2017 15:42:03

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'Let' vs 'var' : fix for transitional (JS/ES6)

Last Modified: 11/04/2017 05:11:05

cpp

Pythonic string repeat (operator*)

Last Modified: 11/03/2017 13:46:07

Divide numbers by looping

Last Modified: 10/31/2017 02:26:42

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Secret challenge answer validator [standalone]

Last Modified: 10/27/2017 05:18:43

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Secure passwords + Secret challenge answer validator

Last Modified: 10/26/2017 20:43:02

Euclidian distance via collections:Counter

Last Modified: 10/24/2017 03:04:28

A Python "program" program

Last Modified: 10/22/2017 00:14:49

Event tracing : call(), return, line, etc.

Last Modified: 10/14/2017 04:20:10

Garbage collector infos

Last Modified: 10/13/2017 05:44:08

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Zap 0's "no test" trick (Array.from() fix) [challenge]

Last Modified: 10/12/2017 17:57:42

cpp

". " vs '. ' (integer byte order)

Last Modified: 10/12/2017 04:24:58

IPv4: validate by behaviors, not plain values

Last Modified: 10/05/2017 23:45:59

php

Working POST demo

Last Modified: 10/05/2017 20:02:48

'Maze run' (saves state!) [v0.1 alpha]

Last Modified: 10/05/2017 04:59:03

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Scatterplot [WebGL]

Last Modified: 10/04/2017 20:13:02

Image detection (library demo only)

Last Modified: 10/03/2017 00:38:17

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Background thread messaging

Last Modified: 09/28/2017 06:58:32

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Local storage - works [IndexedDB PoC]

Last Modified: 09/23/2017 12:25:29

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Image loader object [sdcard to canvas]

Last Modified: 09/20/2017 05:56:32

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class inheritence: svg path injection

Last Modified: 09/20/2017 03:47:01

cpp

Single precision : digit 8 microscope

Last Modified: 09/19/2017 02:38:23

cpp

Hello World [obscure]

Last Modified: 09/18/2017 23:06:16

£ symbol encoding

Last Modified: 09/17/2017 19:19:21

web

CSS custom props: $x vs. var(--x)

Last Modified: 09/17/2017 01:59:22

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Browser/DOM inspector

Last Modified: 09/15/2017 19:45:47

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vibrate() now requires user intervention

Last Modified: 09/15/2017 18:44:06

cpp

Add without + (use printf wisely)

Last Modified: 09/10/2017 18:48:45

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iframe postMessage + error cancel (works)

Last Modified: 09/07/2017 08:33:32

Disallowed operators (6 alt ways) [challenge]

Last Modified: 08/29/2017 04:06:09

Single-hop flights, verbose [challenge]

Last Modified: 08/26/2017 20:11:40

Single-hop flights, 1-liner [challenge]

Last Modified: 08/26/2017 20:11:35

Identify server (1 liners)

Last Modified: 08/17/2017 19:12:25

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Word cloud for RFC-1945:HTTP

Last Modified: 08/16/2017 23:53:36

this...is a joke

Last Modified: 08/16/2017 00:17:53

cpp

Quarks: pair/triple/quads : parallel bitcount + assembly msb [challenge]

Last Modified: 08/15/2017 02:46:10

cpp

Quarks [algorithm source] : Parallel bitcount + assembly MSB [challenge]

Last Modified: 08/15/2017 01:35:01

cpp

Why is this printing... (detail)

Last Modified: 08/10/2017 21:08:41

Native text color: no ANSI required

Last Modified: 08/09/2017 16:16:45

Matrix ring rotate [HackerRank]

Last Modified: 08/06/2017 17:36:35

web

Image embedded in HTML (no download)

Last Modified: 08/06/2017 16:27:13

cpp

Unusual termination : thrown exception [Q&A]

Last Modified: 08/06/2017 04:49:39

cpp

strfuncs 1-liner challenge [strcpy, strcmp, strcat -> memcpy, memcmp, ternary]

Last Modified: 08/05/2017 20:36:02

~Rotate challenge [4-line "utility" demo]

Last Modified: 08/04/2017 12:35:18

cpp

Files gotcha (EOF flag vs ASCII 26)

Last Modified: 08/04/2017 05:18:32

(is vs ==) using memory address

Last Modified: 08/03/2017 06:11:46

Largest file/edge crash tests (seek, close)

Last Modified: 08/03/2017 05:17:39

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Which <li> clicked (from <ol>)

Last Modified: 08/03/2017 04:38:27

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Waveforms, nodes, analyzer [audio demo]

Last Modified: 07/29/2017 00:12:30

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Battery info

Last Modified: 07/27/2017 00:36:54

web

phpinfo (ok; no TLE or Playground bug)

Last Modified: 07/26/2017 05:04:18

cpp

anoneon-Q&A related

Last Modified: 07/26/2017 02:32:50

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ident clicked button - this & custom data values - 4Q

Last Modified: 07/24/2017 14:46:52

php

phpinfo piece extractor

Last Modified: 07/24/2017 04:55:35

Predict Random (Microsoft .NET)

Last Modified: 07/22/2017 19:15:23

Dump random memory

Last Modified: 07/21/2017 01:30:39

web

Function/Boolean statics (no vars)

Last Modified: 07/21/2017 01:02:30

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An ideal computing task (data entry -> added value)

Last Modified: 07/19/2017 20:09:05

Function overloading

Last Modified: 07/19/2017 04:38:05

Is workstation locked?

Last Modified: 07/19/2017 04:31:09

cpp

Text graph for sin()

Last Modified: 07/18/2017 00:20:06

cpp

Text graph for circle (calculated)

Last Modified: 07/18/2017 00:19:58

web

Morse [audio demo]

Last Modified: 07/16/2017 05:22:06

cpp

c++ (vs Python) mod behavior with negs

Last Modified: 07/15/2017 21:43:08

Python (vs c++) mod behavior with negs

Last Modified: 07/15/2017 21:40:52

scan for "remove" (4Q)

Last Modified: 07/13/2017 21:26:08

Open sockets, pids, ports, state

Last Modified: 07/12/2017 04:35:49

Fibonacci -> phi (golden ratio)

Last Modified: 07/10/2017 22:03:32

Happy birthday fly-in

Last Modified: 07/10/2017 22:01:56

web

Something different [jsf*]

Last Modified: 07/10/2017 06:00:55

cpp

[challenge] getMin O(1) : ± stack [update]

Last Modified: 07/09/2017 14:21:11

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Simple inheritence: 2d->3d coords

Last Modified: 07/08/2017 20:25:42

web

Colorful Area Rug (2D rotation)

Last Modified: 07/08/2017 03:54:45

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CaptureTheFlag 3 [HackerRank]

Last Modified: 07/06/2017 05:57:13

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CaptureTheFlag 2 [HackerRank]

Last Modified: 07/06/2017 05:57:08

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rotates?

Last Modified: 07/06/2017 05:56:19

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Countdown - no js counter

Last Modified: 07/06/2017 05:55:47

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peerJS companion iframe

Last Modified: 07/06/2017 05:16:15

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fn.length, finally weirdness

Last Modified: 07/06/2017 04:03:52

Print up to 512KB; no time limit exceeded

Last Modified: 07/06/2017 00:55:00

java

thread sleep time precision

Last Modified: 07/05/2017 23:40:09

web

Mutation-Fired 'Firefly' Text

Last Modified: 07/05/2017 23:08:21

cpp

funny/odd

Last Modified: 07/05/2017 14:44:51

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hr breaks align nesting

Last Modified: 07/04/2017 03:48:07

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debugging

Last Modified: 07/04/2017 03:40:11

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mathbox 2

Last Modified: 07/04/2017 02:50:57

cpp

int_literal[ptr] (Silly c++ Tricks)

Last Modified: 07/03/2017 16:56:52

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Trendlines: random + averages

Last Modified: 07/03/2017 02:08:34

recursive "in", neat short-circuit (4Q)

Last Modified: 07/02/2017 16:13:10

cpp

[challenge] getMin O(1) : + stack only

Last Modified: 07/01/2017 00:03:32

cpp

[challenge] getMin O(1) : ± stack

Last Modified: 07/01/2017 00:03:21

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Hello Ring:no iframe + source [VPython]

Last Modified: 06/29/2017 19:01:50

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[Python Web] Interactive Input

Last Modified: 06/28/2017 16:00:58

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Your LAN IP address is...

Last Modified: 06/28/2017 05:52:53

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Quick event dump (swipe) [bugfix]

Last Modified: 06/27/2017 00:12:58

cpp

c++ assembly (add + multiply) [asm]

Last Modified: 06/26/2017 16:57:30

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Internet Relay Chat (irc)

Last Modified: 06/25/2017 21:57:44

Comms: stuffing keyboard

Last Modified: 06/24/2017 23:40:16

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Speed Reader

Last Modified: 06/18/2017 14:51:15

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Async csv download (promises; manual start)

Last Modified: 06/16/2017 03:25:03

cpp

Using gets() + stack canary [fixed a crash]

Last Modified: 06/15/2017 23:08:46

Read CSV, load database, query (CA real estate)

Last Modified: 06/15/2017 13:34:20

java

CharGen PRNG stats [oddeofreq 4QA]

Last Modified: 06/14/2017 22:36:13

Operator + str override (a couple Classes)

Last Modified: 06/14/2017 04:14:12

ruby object id's (references)

Last Modified: 06/13/2017 04:57:02

web

SVG test suite (275 tests)

Last Modified: 06/11/2017 16:16:26

Speech recognition demo (PocketSphinx)

Last Modified: 06/10/2017 03:32:40

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Tupper's Self-Referential Formula

Last Modified: 06/09/2017 16:07:49

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alert() intercept / override

Last Modified: 06/09/2017 14:22:22

Read audio file + stats (live demo: AIFF)

Last Modified: 06/09/2017 05:41:24

Launch Android Intent (usage statistics)

Last Modified: 06/08/2017 19:20:15

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Hello Ring:iframe + IDE [3D / VPython]

Last Modified: 06/07/2017 03:05:12

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[Python Web] Turtle

Last Modified: 06/07/2017 03:04:56

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4q-"What's the difference?" [form vars]

Last Modified: 06/06/2017 14:40:45

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Counting w/CSS (+ pseudos + attr extraction)

Last Modified: 06/03/2017 17:47:02

Interactive input source

Last Modified: 06/02/2017 22:44:47

Everything's an object (+Java compare)

Last Modified: 06/02/2017 17:14:34

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[Python Web] ANSI color XOR Cycle Map

Last Modified: 06/02/2017 06:27:01

php

Calendar; first day calc + localization

Last Modified: 06/02/2017 05:32:25

XOR flip/fold cycle map (condensed)

Last Modified: 06/02/2017 03:08:38

cpp

Uninitialized array after new()

Last Modified: 06/01/2017 22:26:41

cpp

Elements used, alt. magic number (fill_n or memset)

Last Modified: 06/01/2017 21:19:03

Top 9-word in RFC1945 (challenge)

Last Modified: 06/01/2017 15:26:28

web

GL Solar System (ported Mathbox demo)

Last Modified: 06/01/2017 15:15:33

Optimize side-channel (challenge)

Last Modified: 06/01/2017 13:32:16

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Shadow DOM (Web components)

Last Modified: 06/01/2017 00:03:29

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Swipe up/down to... (reload not for app)

Last Modified: 05/31/2017 23:41:32

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4Q: fn(y){y+1}(++a)+a+a

Last Modified: 05/29/2017 04:46:26

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Template literals [ES6 demo]

Last Modified: 05/29/2017 02:43:50

web

CubeRoot (by Long Division)

Last Modified: 05/28/2017 06:01:21

web

Plasma (older webviews fix) [OpenGL]

Last Modified: 05/24/2017 01:24:35

web

Benchmark your mobile

Last Modified: 05/23/2017 06:00:56

web

(US ONLY) Monopoly rare/semi-rare fast code checker

Last Modified: 05/22/2017 01:59:17

web

Plasma (for updated WebViews) [OpenGL]

Last Modified: 05/20/2017 17:49:22

Adversarial password validator

Last Modified: 05/19/2017 01:03:01

IPv4 extended validator

Last Modified: 05/18/2017 04:04:24

web

Filling Ⓕⓞⓝⓣ background

Last Modified: 05/17/2017 23:14:59

"while True" async breakout (throw up a timer)

Last Modified: 05/17/2017 15:31:29

FTP demo - e.g., old games (idSoftware)

Last Modified: 05/17/2017 06:10:19

isAlt challenge: Binary Cheater

Last Modified: 05/15/2017 23:17:42

isAlt challenge: Validator Flipper

Last Modified: 05/15/2017 20:06:07

web

4Q: Why is output 'two'?

Last Modified: 05/15/2017 15:46:21

web

3D function view [WebGL]

Last Modified: 05/15/2017 05:48:17

web

Tap ellipse/force visualizer

Last Modified: 05/11/2017 03:11:27

web

SnakeCase challenge (RegEx)

Last Modified: 05/08/2017 21:20:09

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HexdumpCanvas

Last Modified: 05/05/2017 14:53:01

web

HexdumpPRE

Last Modified: 05/05/2017 03:26:19

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hexdumpHTML

Last Modified: 05/05/2017 03:04:17

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upside down text

Last Modified: 05/05/2017 03:02:30

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Plug-n-Play Popup Error Console [demo]

Last Modified: 05/04/2017 14:46:05

web

Plug-n-Play Popup Error Console [blank template]

Last Modified: 05/04/2017 14:45:45

web

Javascript ErrConsole NEW/Easy

Last Modified: 05/03/2017 20:50:14

cpp

decimal fraction -> any base (2 to 255)

Last Modified: 05/03/2017 00:14:44

cpp

100! precision-loss weak detector

Last Modified: 05/02/2017 23:57:51

cpp

0.21745... to binary decimal and back

Last Modified: 05/02/2017 21:49:35

cpp

100! doesn't fit in a double

Last Modified: 05/02/2017 15:03:07

Kuba did it better (for Ahri Fox)

Last Modified: 05/01/2017 03:30:52

Where's the var? (Silly Python Tricks)

Last Modified: 04/27/2017 17:35:15

Buffer swap split (Silly Python Tricks)

Last Modified: 04/27/2017 01:01:29

Printless print (Silly Python Tricks)

Last Modified: 04/27/2017 01:01:19

Network interface MAC address (continues: starmap, zip)

Last Modified: 04/26/2017 23:56:27

Iterator trick (starmap + zip clustering)

Last Modified: 04/26/2017 23:56:27

Five ways to sum + performance timers

Last Modified: 04/26/2017 05:15:23

4Q: Nested List Challenge (Lium Goon)

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Peer to peer: works, with notes (PoC)

Last Modified: 04/24/2017 17:17:45

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crypto

Last Modified: 04/24/2017 14:49:03

web

emodjinn

Last Modified: 04/22/2017 00:29:32

web

Date -> day of week (KeyValue method)

Last Modified: 04/20/2017 23:55:38

Double-ended queues (deques/stacks)

Last Modified: 04/20/2017 23:44:45

cpp

packed struct

Last Modified: 04/19/2017 23:33:30

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crashy

Last Modified: 04/17/2017 18:01:47

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4J.G. - why negative

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persistent value for jalisa abdulgani dalvi

Last Modified: 04/14/2017 19:10:58

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calendar

Last Modified: 04/13/2017 19:47:00

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css fiddling

Last Modified: 04/13/2017 17:23:15

web

4?: Animation crashes SLPG

Last Modified: 04/12/2017 17:15:27

java

Sleep precision

Last Modified: 04/11/2017 03:43:44

Spin

Last Modified: 04/10/2017 20:51:39

cpp

Float/Double precision demo

Last Modified: 04/08/2017 02:56:53

mazegen-charfiddle

Last Modified: 04/07/2017 19:03:43

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Small/quick generator example

Last Modified: 04/07/2017 15:22:54

web

LoopPerformanceTests (a weird check)

Last Modified: 04/06/2017 22:40:22

cpp

floats/doubles/ints

Last Modified: 04/04/2017 21:08:36

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fetch - replaces XHR/XMLHttpRequest

Last Modified: 04/04/2017 00:02:17

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CSS "Adjacent Sibling" selector

Last Modified: 03/31/2017 21:31:20

cpp

ASCII lines

Last Modified: 03/31/2017 16:11:18

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Javascript timer resolution

Last Modified: 03/28/2017 03:53:14

web

HBFeedback

Last Modified: 03/26/2017 01:15:29

Hello <-(?)-> (in-memory gunzip)

Last Modified: 03/25/2017 23:34:40

php

Work/output: Thinking "server vs. client"

Last Modified: 03/25/2017 17:07:52

Memory available to Python (Win32 API)

Last Modified: 03/23/2017 19:39:49

web

Blurry vs. sharp line (canvas)

Last Modified: 03/22/2017 21:12:33

gzip-noiostring

Last Modified: 03/22/2017 03:52:55

web

Imported Open Font + Quote

Last Modified: 03/21/2017 16:54:00

'Maze run' generator (ported)

Last Modified: 03/16/2017 03:36:22

web

Character dump: HTML-entity-type

Last Modified: 03/11/2017 04:28:03

cpp

Hardware byte order (integers)

Last Modified: 03/10/2017 23:17:38

cpp

neat-why doesn't it add up correctly?

Last Modified: 03/10/2017 23:07:16

cpp

Mysterious printf [SOLVED]

Last Modified: 03/10/2017 15:36:23

Py: Persistent data SoloLearn (sheets db)

Last Modified: 03/09/2017 11:52:05

Py: Persistent data HOME version (simpler!)

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pers-wk

Last Modified: 03/08/2017 21:30:42

wth2-2?

Last Modified: 03/08/2017 19:22:20

cpp

nobug

Last Modified: 03/08/2017 17:33:15

wth?

Last Modified: 03/08/2017 03:29:01

reverse

Last Modified: 03/06/2017 21:32:02

web

unicode cookie

Last Modified: 03/06/2017 20:29:07

cpp

WeirdCode: Duff'sDevice

Last Modified: 03/06/2017 17:47:45

Python reference counts

Last Modified: 03/06/2017 17:12:23

Cute True==1

Last Modified: 03/05/2017 00:26:33

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SFOpenData Demo-broken

Last Modified: 03/04/2017 01:31:02

[Time Trial] for Kuba Siekierzyński's Magic square verificators

Last Modified: 03/02/2017 22:37:36

Python + sqlite3 (works here)

Last Modified: 03/02/2017 17:11:02

Multiprocessing (4 threads) in 6 codelines

Last Modified: 02/28/2017 21:11:26

straight *7 vs shift

Last Modified: 02/28/2017 21:07:58

ahri_timer

Last Modified: 02/28/2017 15:38:20

python_server_memory

Last Modified: 02/22/2017 01:30:20

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Practice SQL (browser or app)

Last Modified: 02/20/2017 21:52:25

cpp

tricky

Last Modified: 02/20/2017 21:50:51

eval-custom

Last Modified: 02/18/2017 22:20:53

java

nudu

Last Modified: 02/18/2017 21:28:55

web

Last Modified: 02/09/2017 23:58:13

web

setinterval test

Last Modified: 02/09/2017 19:15:49

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vididd

Last Modified: 02/08/2017 02:41:55

cpp

try2

Last Modified: 02/08/2017 02:22:41

md5seed_fiddling

Last Modified: 02/08/2017 00:43:15

cplx0

Last Modified: 02/07/2017 18:12:20

Goodstein sequence

Last Modified: 02/07/2017 13:02:06

cpp

print5K

Last Modified: 02/02/2017 03:02:29

web

JS Error Console (OLD version snippet)

Last Modified: 01/31/2017 20:16:40

web

JS Error Console

Last Modified: 01/31/2017 05:21:03

cpp

Overflow

Last Modified: 01/29/2017 15:51:44

web

JS Error Console (1 line)

Last Modified: 01/28/2017 01:41:14

Reverse : recursive ternary abuse

Last Modified: 01/28/2017 01:10:43

[shorter fork] Print your name in Symbols v1.6:fork [Bogdan Bogdanov]

Last Modified: 01/25/2017 17:01:52

Converter for Bogdon Bogdanov's "Print your name in Symbols v1.6"

Last Modified: 01/25/2017 17:01:38

cpp

malloc() magnitude test

Last Modified: 01/22/2017 13:25:00

web

Javascript selfie (NO PERMS-Sample ONLY)

Last Modified: 01/13/2017 19:43:22

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HTML5 (555 tests) inlined

Last Modified: 01/13/2017 14:47:56

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HTML5 File stuff checks

Last Modified: 01/13/2017 13:26:29

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HTML5 File API check

Last Modified: 01/13/2017 13:05:56

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bounce_line - beta 1.3

Last Modified: 01/13/2017 01:18:13

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HTML5 local storage check

Last Modified: 01/12/2017 23:04:53

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SQL in-browser

Last Modified: 01/11/2017 00:03:53

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voxel test [WebGL]

Last Modified: 01/10/2017 13:14:53

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quiz

Last Modified: 01/09/2017 22:45:59

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mathbox - label

Last Modified: 01/09/2017 19:59:03

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mathbox water

Last Modified: 01/09/2017 16:29:19

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mathbox - solar system

Last Modified: 01/09/2017 01:51:53

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mathbox colorcube

Last Modified: 01/09/2017 01:46:01

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mathbox 1

Last Modified: 01/09/2017 01:21:52

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bounce_line - beta 1.1

Last Modified: 01/08/2017 01:50:59

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cssdeck forum answer

Last Modified: 12/05/2016 12:56:30

web

Browse/Search SoloLearn website inside the app

Last Modified: 12/02/2016 01:47:58

Dif between global/local

Last Modified: 12/01/2016 21:22:19

My Certificates

SQL

Issued: 07 March, 2017

JavaScript

Issued: 05 December, 2016

Python 3

Issued: 30 September, 2016

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