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Default height for section header in UITableView
...(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
if(section == CUSTOM_SECTION)
{
return CUSTOM_VALUE;
}
return UITableViewAutomaticDimension;
}
share
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...
Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
...ce {
static MyClass *sharedInstance;
@synchronized(self) {
if (sharedInstance == nil) {
sharedInstance = [[MyClass alloc] init];
}
}
return sharedInstance;
}
The benefit of dispatch_once() over this is that it's faster. It's also semantically cleaner, be...
Creating a new dictionary in Python
...
Is there any difference between dict() and {}? Or do people just prefer one over the other?
– Matt
Mar 2 '12 at 17:13
...
How to reference a .css file on a razor view?
...e="text/css" />
@RenderSection("Styles", false)
</head>
and if I need some view specific styles I define the Styles section in each view:
@section Styles {
<link href="@Url.Content("~/Styles/view_specific_style.css")" rel="stylesheet" type="text/css" />
}
Edit: It's usefu...
How do I get the last inserted ID of a MySQL table in PHP?
...
If you're using PDO, use PDO::lastInsertId.
If you're using Mysqli, use mysqli::$insert_id.
If you're still using Mysql:
Please, don't use mysql_* functions in new code. They are no longer maintained and are officially ...
How to temporarily exit Vim and go back
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What if I want to continue running my server while editing my file. For example, let's say I do nodemon app.js (nodemon refreshes the server on file edits for you) and then I want to return to my vim editing. Can I do that without...
Removing nan values from an array
...
If you're using numpy for your arrays, you can also use
x = x[numpy.logical_not(numpy.isnan(x))]
Equivalently
x = x[~numpy.isnan(x)]
[Thanks to chbrown for the added shorthand]
Explanation
The inner function, numpy....
What are the GCC default include directories?
When I compile a very simple source file with gcc I don't have to specify the path to standard include files such as stdio or stdlib.
...
DynamicRecycler 拓展：高效动态列表 · App Inventor 2 中文网
...构建（分步方式）
回调设置
布局管理器
DiffUtil（高级）
通知更新（不用 DiffUtil 时）
其他
属性
便捷属性（作用于最后创建的组件）
常量
过程签名参考
注意事项
版本信息
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How to fix Hibernate LazyInitializationException: failed to lazily initialize a collection of roles,
...ctionManager configured in my application, and I use it in my DAO classes. If I try use in the method authenticate from AuthenticationProvider like you suggest, I get an error Caused by: java.lang.IllegalArgumentException: Can not set com.horariolivre.security.CustomAuthenticationProvider field com....