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How do I validate a date string format in python?
...ncorrect data format, should be YYYY-MM-DD")
>>> validate('2003-12-23')
>>> validate('2003-12-32')
Traceback (most recent call last):
File "<pyshell#20>", line 1, in <module>
validate('2003-12-32')
File "<pyshell#18>", line 5, in validate
raise Valu...
Removing All Child Views from View
...
201
viewGroup.removeAllViews()
works for any viewGroup. in your case it is GridView.
http://devel...
Why doesn't c++ have &&= or ||= for booleans?
...alent to the logical operations, as long as both operands are of type bool.1
Contrary to what other people have said here, a bool in C++ must never have a different value such as 2. When assigning that value to a bool, it will be converted to true as per the standard.
The only way to get an invali...
Display open transactions in MySQL
...
61
How can I display these open transactions and commit or cancel them?
There is no open tr...
How to make an OpenGL rendering context with transparent background?
...e below:
The code has been tested on Windows XP (32-bits) and Windows 8.1 (32-bits).
Enjoy!
#define _WIN32_WINNT 0x0500
#include <windows.h>
#include <windowsx.h>
#include <GL/gl.h>
#include <GL/glu.h>
#pragma comment (lib, "opengl32.lib")
#pragma comment (lib, "glu32.l...
海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...就拿最简单的两个数据使用Apache提供的 Levenshtein for 循环100w次计算这两个数据的相似度。代码结果如下：
String s1 = "你妈妈喊你回家吃饭哦，回家罗回家罗" ;
String s2 = "你妈妈叫你回家吃饭啦，回家罗回家罗" ;
long t1 = System.c...
delete map[key] in go?
...
165
Strangely enough,
package main
func main () {
var sessions = map[string] chan int{};
...
Calendar.getInstance(TimeZone.getTimeZone(“UTC”)) is not returning UTC time
...
148
The System.out.println(cal_Two.getTime()) invocation returns a Date from getTime(). It is the ...
What is the way to quick-switch between tabs in Xcode 4
...
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edited May 28 '12 at 9:11
Ben Clayton
73.4k2424 gold badges115115 silver badges124124 bronze badges
...
Drawing Isometric game worlds
... with the following int array as the map:
tileMap = new int[][] {
{0, 1, 2, 3},
{3, 2, 1, 0},
{0, 0, 1, 1},
{2, 2, 3, 3}
};
The tile images are:
tileImage[0] -> A box with a box inside.
tileImage[1] -> A black box.
tileImage[2] -> A white box.
tileImage[3] -> A box w...