大约有 45,000 项符合查询结果（耗时：0.0389秒） [XML]
UINavigationBar Hide back Button Text
...
Objective-C
[self.navigationItem setBackBarButtonItem:[[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil]];
Swift
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .plain, target: nil, action: nil)
This should be done on t...
proper way to sudo over ssh
...ssh -t user@server "sudo script"
See man ssh:
-t Force pseudo-tty allocation. This can be used to execute arbi-
trary screen-based programs on a remote machine, which can be
very useful, e.g., when implementing menu services. Multiple -t
options force tty alloca...
Cannot highlight all occurrences of a selected word in Eclipse
... And in addition to Ctrl+Alt+F you must also have the word or token selected first. Nevertheless, better than nothing I guess. Such a feature is core in the majority of editors (but not Eclipse). Go figure.
– wmoecke
Nov 14 '18 at 20:01
...
Deadly CORS when http://localhost is the origin
....
The following code works for me with POST to LocalHost with Chrome
<?php
if (isset($_SERVER['HTTP_ORIGIN'])) {
//header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}");
header("Access-Control-Allow-Origin: *");
header('Access-Control-Allow-Credentials: true');
hea...
Using a dispatch_once singleton model in Swift
...edInstance: Singleton {
struct Static {
static var onceToken: dispatch_once_t = 0
static var instance: Singleton? = nil
}
dispatch_once(&Static.onceToken) {
Static.instance = Singleton()
}
return Static.instance!
}
}...
Count Rows in Doctrine QueryBuilder
...lass);
$count = $repository->count();
And in Repository/FooRepository.php
public function count()
{
$qb = $repository->createQueryBuilder('t');
return $qb
->select('count(t.id)')
->getQuery()
->getSingleScalarResult();
}
It's better to move $qb = ....
java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
...problem isn't handling many images, it's that your images aren't getting deallocated when your activity is destroyed.
It's difficult to say why this is without looking at your code. However, this article has some tips that might help:
http://android-developers.blogspot.de/2009/01/avoiding-memory-l...
UITextField border color
...
Try this:
UITextField *theTextFiels=[[UITextField alloc]initWithFrame:CGRectMake(40, 40, 150, 30)];
theTextFiels.borderStyle=UITextBorderStyleNone;
theTextFiels.layer.cornerRadius=8.0f;
theTextFiels.layer.masksToBounds=YES;
theTextFiels.backgroundColor=[U...
Why does a RegExp with global flag give wrong results?
...he re.lastIndex. This is strange because I would expect a new RegExp to be allocated each time the function is called and not shared across multiple invocations of my function.
When I changed it to:
var re = new RegExp('^([^-]+)-([^-]+)-([^-]+)$', 'g');
Then I don't get the lastIndex holdover ef...
How to delete a row by reference in data.table?
...nce yet.
data.table can add and delete columns by reference since it over-allocates the vector of column pointers, as you know. The plan is to do something similar for rows and allow fast insert and delete. A row delete would use memmove in C to budge up the items (in each and every column) after t...