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Capture HTML Canvas as gif/jpg/png/pdf?
...
e.g.
<canvas id=canvas width=200 height=200></canvas>
<script>
window.onload = function() {
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
context.fillStyle = "green";
context.fillRect(50, 50...
HTML text input allow only numeric input
...ents below refer to an old version which messed around with keycodes.
JavaScript
Try it yourself on JSFiddle.
You can filter the input values of a text <input> with the following setInputFilter function (supports Copy+Paste, Drag+Drop, keyboard shortcuts, context menu operations, non-typeab...
Can't install Ruby under Lion with RVM – GCC issues
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bash-3.2$ more /Users/<USERNAME>/.bash_profile
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # Load RVM function
export CC=/usr/share/TargetConfigs/bin/gcc
First line came from SiriProxy install instruction
https://github.com/plamoni/SiriProxy
2nd line export C...
Generate Java class from JSON?
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Thanks all who attempted to help. For me this script was helpful. It process only flat JSON and don't take care of types, but automate some routine
String str =
"{"
+ "'title': 'Computing and Information systems',"
+ "'id' : 1,"
...
Read file data without saving it in Flask
...poraryFile() (as stated in the werkzeug documentation). In both cases your script will block until the entirety of uploaded file is received.
The easiest way to work around this that I have found is:
1) Create your own file-like IO class where you do all the processing of the incoming data
2) In ...
How to escape quote marks in Exec Command in MSBuild
I'm trying to build an MSBuild script that maps a network drive to a drive letter in the script, but unfortunately the path to the target folder includes an embedded space. The embedded space causes the mapping to fail, and I don't know if it is possible to escape quotes around the path. I've trie...
Fastest way to check if a string matches a regexp in ruby?
... Thank you for the suggestion. I have updated the benchmark script and Regexp#match? is indeed at least 50% faster than the other alternatives.
– gioele
Mar 17 '17 at 8:41
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(Mac) -bash: __git_ps1: command not found
...ever, if for some reason you still want to use this functionality by using scripts separately downloaded from master, you should download git-prompt.sh similarly:
curl -o ~/.git-prompt.sh \
https://raw.githubusercontent.com/git/git/master/contrib/completion/git-prompt.sh
... and add the follo...
Slow Requests on Local Flask Server
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Passing --threaded to my manage.py using Flask-Script worked too.
– Snorfalorpagus
Aug 5 '15 at 22:09
7
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CSV file written with Python has blank lines between each row
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@Dan: That is correct -- there is no standard. Scripts should specify the lineterminator [should have been named ROWterminator] that they want (if not the default) and still use binary mode in case the script is run on Windows otherwise the "lineterminator" may be stuffed...