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How to select unique records by SQL
... */
INSERT INTO dupes(word, num, id)
VALUES ('aaa', 100, 1)
,('bbb', 200, 2)
,('ccc', 300, 3)
,('bbb', 400, 4)
,('bbb', 200, 5) -- duplicate
,('ccc', 300, 6) -- duplicate
,('ddd', 400, 7)
,('bbb', 400, 8) -- duplicate
,('aaa', 100, 9) -...
Java multiline string
...paragraph length string constant. I use multiline strings all the time in C++, embedded in my source code, where I want them.
– Tim Cooper
Nov 6 '09 at 5:35
9
...
What is code coverage and how do YOU measure it?
...an also roll some custom tools, like this article describes.
If you are a C++ shop, Intel has some tools that run for Windows and Linux, though I haven't used them. I've also heard there's the gcov tool for GCC, but I don't know anything about it and can't give you a link.
As to how we use it - co...
What are queues in jQuery?
...event.trigger(map, 'resize');
};
// wait 2 seconds
$map.delay(2000);
// resize the div:
$map.animate({
width: 250,
height: 250,
marginLeft: 250,
marginTop:250
}, resized);
// geocode something
$map.queue(function(next) {
// fin...
Ajax success event not working
...ul or not while success only gets called if the web server responds with a 200 OK HTTP header (everything's OK).
– katalin_2003
Sep 30 '14 at 7:03
add a comment
...
How to debug .htaccess RewriteRule not working
...o trigger a custom error at the top of the .htaccess file:
ErrorDocument 200 "Hello. This is your .htaccess file talking."
RewriteRule ^ - [L,R=200]
On to your second question, if the .htaccess file is not being read it is possible that the server's main Apache configuration has AllowOverride se...
Grouping functions (tapply, by, aggregate) and the *apply family
...ecies: setosa
Min. 1st Qu. Median Mean 3rd Qu. Max.
2.300 3.200 3.400 3.428 3.675 4.400
--------------------------------------------------------------
iris$Species: versicolor
Min. 1st Qu. Median Mean 3rd Qu. Max.
2.000 2.525 2.800 2.770 3.000 3.400
-...
JQuery: How to call RESIZE event only once it's FINISHED resizing?
...tion debouncer( func , timeout ) {
var timeoutID , timeout = timeout || 200;
return function () {
var scope = this , args = arguments;
clearTimeout( timeoutID );
timeoutID = setTimeout( function () {
func.apply( scope , Array.prototype.slice.call( args ) );
} ...
LINUX 磁盘掉电修复故障一列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...磁盘柜。磁盘柜突然掉电， LINUX启动报磁盘错误在光标处输入系统的密码进入SHELL输入fsck -y dev sda3修复完成reboot 系统虚拟机环境，挂磁盘柜。磁盘柜突然掉电， LINUX启动报磁盘错误
在光标处输入系统的密码
进入SHELL
...
mac os下如何获得root权限？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...：1.打开实用工具 －> 终端2.键入sudo passwd root 然后提示你输入当前登录用户密码，通过以后，提示你输入两遍root的密码。...操作步骤：
1.打开实用工具 －> 终端
2.键入sudo passwd root 然后提示你输入当前登录用户密码，通过以后...