大约有 30,000 项符合查询结果(耗时:0.0604秒) [XML]
How to split data into training/testing sets using sample function
...
thank. I tried mtcars[!train_ind] and while it didn't fail, it did't work as expected. How could I subset using the !?
– user989762
Apr 23 '15 at 7:22
...
XML Validation with XSD in Visual Studio IDE
...le must be open in the editor and the focus must be in the editor when you call up the Properties window. Only then do you get the "XML Document" properties where you can assign a schema. If the focus is in the Solution Explorer, the Properties window displays file properties only, i.e. no schema as...
How disable Copy, Cut, Select, Select All in UITextView
...able pasteboard operations is to create a subclass of UITextView that overrides the canPerformAction:withSender: method to return NO for actions that you don't want to allow:
- (BOOL)canPerformAction:(SEL)action withSender:(id)sender
{
if (action == @selector(paste:))
return NO;
ret...
T-SQL split string
...s outdated... Procedural approaches (especially loops) are something to avoid... It's worth to look into newer answers...
– Shnugo
Feb 2 '17 at 10:56
1
...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
...页面地址:(选填,URL中域名后面的部分,如:/space.php?uid=%s 这里的 %s 代表uid)
应用接口文件名称:(选填,默认为uc.php)
标签单条显示模板:(选填,默认留空)
标签模板标记说明:(选填,默认留空)
是...
Android preferences onclick event
...renceTreeClick: preference == mButtonDataRoam.");
//normally called on the toggle click
if (mButtonDataRoam.isChecked()) {
// First confirm with a warning dialog about charges
mOkClicked = false;
new AlertDialog.Builder(th...
How do I execute a program using Maven?
...hat you have defined for the exec-maven-plugin:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.4.0</version>
<configuration>
<mainClass>org.dhappy.test.NeoTraverse</mainClass>...
How can I select item with class within a DIV?
...
Try:
$('#mydiv').find('.myclass');
JS Fiddle demo.
Or:
$('.myclass','#mydiv');
JS Fiddle demo.
Or:
$('#mydiv .myclass');
JS Fiddle demo.
References:
find().
Selector context.
Good to learn from the find() documentation:
The .find() and .children...
Running SSH Agent when starting Git Bash on Windows
...e or ~/.bashrc (with ~ being usually set to %USERPROFILE%), in order for said session to launch automatically the ssh-agent. If the file doesn't exist, just create it.
This is what GitHub describes in "Working with SSH key passphrases".
The "Auto-launching ssh-agent on Git for Windows" section of...
Can I set a breakpoint on 'memory access' in GDB?
...
What you're looking for is called a watchpoint.
Usage
(gdb) watch foo: watch the value of variable foo
(gdb) watch *(int*)0x12345678: watch the value pointed by an address, casted to whatever type you want
(gdb) watch a*b + c/d: watch an arbitrari...
