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Listening for variable changes in JavaScript
... "watching" is not actually detecting a change. This is not event based, and would certainly slow down the entire app very very soon. These approaches IMHO should never be part of a real project.
– Muhammad bin Yusrat
Jan 17 '17 at 16:59
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What does the * * CSS selector do?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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XML parsing of a variable string in JavaScript
...answer see Tim Down's answer.
Internet Explorer and, for example, Mozilla-based browsers expose different objects for XML parsing, so it's wise to use a JavaScript framework like jQuery to handle the cross-browsers differences.
A really basic example is:
var xml = "<music><album>Beeth...
Indentation in Go: tabs or spaces?
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How to use cURL to send Cookies?
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How do I get the YouTube video ID from a URL?
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this is a usefull function to make it work where you want based on this code. var video_url = 'youtube.com/watch?v=eOrNdBpGMv8&feature=youtube_gdata'; ytid(video_url); function ytid(video_url) { var video_id = video_url.split('v=')[1]; var ampersandPosition = video_id...
How to remove .htaccess password protection from a subdirectory
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Evaluating a mathematical expression in a string
...might be possible to break out using introspection:
eval('(1).__class__.__bases__[0].__subclasses__()', {'__builtins__': None})
Evaluate arithmetic expression using ast
import ast
import operator as op
# supported operators
operators = {ast.Add: op.add, ast.Sub: op.sub, ast.Mult: op.mul,
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How do DATETIME values work in SQLite?
... SQLite allows anything (including DATETIME) as declared type of a column. Based on that, it gives that column an affinity with a storage class (it even has the example of how this works for DATETIME in the documentation). That affinity is more like a hint, as each entry the column can actually have...
Android JSONObject - How can I loop through a flat JSON object to get each key and value
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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