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采花大盗速成秘籍之YQL - 人工智能(AI) - 清泛IT论坛，有思想、有深度
...手了，打开YQL Console，运行如下代码即可获得相关数据：select * from html
where url='http://www.dangdang.com/'
and xpath='//ul[@id="homepage_promotion_count_ul"]/li/p[@class="name"]/a'通过指定XPath，就能得到想要的数据，如果不熟悉XPath，...
mysql实现split分割字符串（length, SUBSTRING_INDEX, substring） - 爬虫/...
...符串，从pos起直到结束
以下通过一个例子查看效果：
SELECT SUBSTRING_INDEX(contentid, '-', 1) first, substring(contentid, 2+length(SUBSTRING_INDEX(contentid, '-', 1))) second, contentid FROM `table_xxx`复制代码
Eclipse syntax highlighting preferences save and restore
... On my eclipse 3.4.1 (or 3.5Mx), I do see an 'export all' option I can select. That will... export all preferences. You can then edit the resulting file to keep only what interest you, and re-import those specific setting into your eclipse configuration.
– VonC
...
Difference between $.ajax() and $.get() and $.load()
...ed data (which can be any data) will be passed to your callback handler.
$(selector).load() will execute an Ajax GET request and will set the content of the selected returned data (which should be either text or HTML).
It depends on the situation which method you should use. If you want to do simp...
Xcode warning: “Multiple build commands for output file”
...
In the Project Navigator, select your Xcode Project file. This will show you the project settings as well as the targets in the project. Look in the "Copy Bundle Resources" Build Phase. You should find the offending files in that list twice. Delete t...
Tests not running in Test Explorer
...sion number required by looking at the nunit.framework dependency version (select the .dll in the Dependencies tree in Solution Explorer and hit F4 to bring up the Properties window).
share
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improv...
How can you disable Git integration in Visual Studio 2013 permanently?
...to:
Tools / Options
Check "Show all settings"
Source Control / Plug-in Selection
Set "Current source control plug-in" to "None"
Then, as Ade Miller says: Restart Visual Studio.
My Visual Studio was working really slow since the git plugging was enabled and I managed to disable it "persistent...
Remove multiple keys from Map in efficient way?
...ng,String> with large number of key values pairs. Now I want to remove selected keys from that Map . Following code shows what I did to achieve that.
...
“Auto Layout still required after executing -layoutSubviews” with UITableViewCell subclass
...Hope)
+ (void)load
{
Method existing = class_getInstanceMethod(self, @selector(layoutSubviews));
Method new = class_getInstanceMethod(self, @selector(_autolayout_replacementLayoutSubviews));
method_exchangeImplementations(existing, new);
}
- (void)_autolayout_replacementLayoutSubviews...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...));
CFont Font;
Font.CreatePointFont(125,"宋体");//创建字体
dc.SelectObject(&Font);
CString *pText=(CString *)lpDrawItemStruct->itemData;
if(lpDrawItemStruct->itemState&ODS_SELECTED)
dc.FillSolidRect(rect,RGB(80,89,202));//菜单被选中
dc.SetTextColor(RGB(10,0,181));//设置...