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Insert new item in array on any position in PHP
...); // not necessarily an array, see manual quote
array_splice( $original, 3, 0, $inserted ); // splice in at position 3
// $original is now a b c x d e
If replacement is just one element it is not necessary to put array() around it, unless the element is an array itself, an object or NULL.
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How can I apply a function to every row/column of a matrix in MATLAB?
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Many built-in operations like sum and prod are already able to operate across rows or columns, s...
Should I put #! (shebang) in Python scripts, and what form should it take?
...owever, which shebang line you use IS important.
Correct usage for Python 3 scripts is:
#!/usr/bin/env python3
This defaults to version 3.latest. For Python 2.7.latest use python2 in place of python3.
The following should NOT be used (except for the rare case that you are writing code which i...
How to use if - else structure in a batch file?
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James HillJames Hill
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联网 App 第 3 课：点击挑战排行榜，字典存成绩、破纪录才写回、按分数排序...
...索 联网 App 第 3 课：点击挑战排行榜，字典存成绩、破纪录才写回、按分数排序（附 .aia 源码）
这一课学什么
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第一步：10 秒小游戏（这一课新增...
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
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Update for those using Python3:
You can simply use conda install mysqlclient to install the lib...
Can git operate in “silent mode”?
...idaraqnid
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How to save an image locally using Python whose URL address I already know?
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How can I compare two lists in python and return matches
...one, but by far the most obvious way to do it is:
>>> a = [1, 2, 3, 4, 5]
>>> b = [9, 8, 7, 6, 5]
>>> set(a) & set(b)
{5}
if order is significant you can do it with list comprehensions like this:
>>> [i for i, j in zip(a, b) if i == j]
[5]
(only works fo...
How do I see the current encoding of a file in Sublime Text?
...popular result in google search, here is the way to do it for sublime text 3 build 3059+:
in user preferences, add the line:
"show_encoding": true
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