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Warn user before leaving web page with unsaved changes
...rCodeCaster
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6
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How to beautify JSON in Python?
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From the command-line:
echo '{"one":1,"two":2}' | python -mjson.tool
which outputs:
{
"one": 1,
"two": 2
}
Programmtically, the Python manual describes pretty-printing JSON:
>>> import json
>>> print json.dumps({'4': 5, '6': 7}, sort_ke...
Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
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edited Sep 27 '15 at 11:01
Ziezi
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How to delete duplicate lines in a file without sorting it in Unix?
...at seen[$0] == 1 after the first time a line is found and then seen[$0] == 2, and so on.
Awk evaluates everything but 0 and "" (empty string) to true. If a duplicate line is placed in seen then !seen[$0] will evaluate to false and the line will not be written to the output.
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Add disabled attribute to input element using Javascript
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312
$("input").attr("disabled", true); as of... I don't know any more.
It's December 2013 and I real...
Ruby: Easiest Way to Filter Hash Keys?
... question.
– mikej
Sep 15 '11 at 23:22
2
The counterpart to .select is .reject, if that makes you...
关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
本帖最后由 天空一直巨响 于 2015-09-20 11:35 编辑
做了好几年的flash的aser，技术一直停留在flash这个狭小的容器内，最近转向php，才慢慢体会到之前充实技术开发前的那段极度渴望去学习新知识的那种动力，可能在大多数的人眼...
What's wrong with foreign keys?
...up properly..."
– MemeDeveloper
Mar 22 '13 at 2:48
5
Database are not called relational because o...
OOP vs Functional Programming vs Procedural [closed]
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greyfadegreyfade
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How to compare two dates in php
How to compare two dates in php if dates are in format '03_01_12' and '31_12_11' .
15 Answers
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