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Format JavaScript date as yyyy-mm-dd
...eformatting a date string should not depend on successful parsing of non-standard strings by the built-in parser. Given the OP format, it can be reformatted in less code without using a Date at all.
– RobG
Jun 16 '17 at 12:12
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How do you serve a file for download with AngularJS or Javascript?
...omatically when the document is unloaded; however, for optimal performance and memory usage, if there are safe times when you can explicitly unload them, you should do so.
Source: MDN
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch
...t, read the answer below.
Here we just check a JSON string using a regexp, and it will work in most cases, not all cases.
Have a look around the line 450 in https://github.com/douglascrockford/JSON-js/blob/master/json2.js
There is a regexp that check for a valid JSON, something like:
if (/^[\],:{...
What is the maximum recursion depth in Python, and how to increase it?
...n (or rather, the CPython implementation) doesn't optimize tail recursion, and unbridled recursion causes stack overflows. You can check the recursion limit with sys.getrecursionlimit:
import sys
print(sys.getrecursionlimit())
and change the recursion limit with sys.setrecursionlimit:
sys.setrecurs...
How to parse an RSS feed using JavaScript?
I need to parse an RSS feed (XML version 2.0) and display the parsed details in an HTML page.
8 Answers
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qmake: could not find a Qt installation of ''
... qt5base-dev qtdeclarative5-dev qt5-qmake qt5-default qttools5-dev-tools And then check using: qtchooser -print-env
– Salil
Jan 25 '16 at 23:42
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Create nice column output in python
I am trying to create a nice column list in python for use with commandline admin tools which I create.
18 Answers
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Add column with constant value to pandas dataframe [duplicate]
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The reason this puts NaN into a column is because df.index and the Index of your right-hand-side object are different. @zach shows the proper way to assign a new column of zeros. In general, pandas tries to do as much alignment of indices as possible. One downside is that when indice...
Why would json_encode return an empty string
...conv() or mb_convert_encoding() may be better options as noted in comments and other solutions.
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How do I use .toLocaleTimeString() without displaying seconds?
...{hour: '2-digit', minute:'2-digit'});
Supported by Firefox, Chrome, IE9+ and Opera. Try it on your web browser console.
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