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Quicksort vs heapsort
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Politank-Z
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answered Mar 18 '10 at 5:48
DVKDVK
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What's the difference between git clone --mirror and git clone --bare
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590
The difference is that when using --mirror, all refs are copied as-is. This means everything: re...
Python中的X[:,0]和X[:,1] - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
Python中的X[:,0]和X[:,1]X[:,0]是numpy中数组的一种写法，表示对一个二维数组，取该二维数组第一维中的所有数据，第二维中取第0个数据，直观来说，X[:,0]就是取所有 X[:,0]是numpy中数组的一种写法，表示对一个二维数组，取该二维...
How to show a dialog to confirm that the user wishes to exit an Android Activity?
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In Android 2.0+ this would look like:
@Override
public void onBackPressed() {
new AlertDialog.Builder(this)
.setIcon(android.R.drawable.ic_dialog_alert)
.setTitle("Closing Activity")
.setMessage("Are you sure ...
Difference between viewDidLoad and viewDidAppear
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answered Jun 29 '12 at 0:37
davidgolidavidgoli
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Mimicking sets in JavaScript?
... ES6: The current working version of ECMAScript 6 or somethings called ES 2015 has a built-in Set object. It is implemented now in some browsers. Since browser availability changes over time, you can look at the line for Set in this ES6 compatibility table to see the current status for browser ava...
What is the difference between sed and awk? [closed]
...(e.g. "(231.45)") using this (which has room for improvement):
sed 's/-\([0-9.]\+\)/(\1)/g' inputfile
I would use awk when the text looks more like rows and columns or, as awk refers to them "records" and "fields". If I was going to do a similar operation as above, but only on the third field in ...
Difference between getDefaultSharedPreferences and getSharedPreferences
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edited Jan 14 '12 at 19:07
Simone
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answered J...
Can you split a stream into two streams?
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10 Answers
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Active
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How to get the number of days of difference between two dates on mysql?
... the calculation
In your case, you'd use :
mysql> select datediff('2010-04-15', '2010-04-12');
+--------------------------------------+
| datediff('2010-04-15', '2010-04-12') |
+--------------------------------------+
| 3 |
+--------------------------------...