大约有 9,000 项符合查询结果（耗时：0.0228秒） [XML]
What really happens in a try { return x; } finally { x = null; } statement?
...
No - at the IL level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards
i.e. similar to:
int tmp;
try {
tmp = ...
} finally {
...
}
return tmp;
for example (using reflector):
static int Test() {
try {
return...
How to ignore files which are in repository?
I have a file (config.php), that is already commited to Git repository, but I want to ignore locally, i.e. I want that file to remain in repository, but force Git to ignore any changes to it.
...
array_push() with key value pair
...
"dog" => "cat"
];
array_push($data, ['cat' => 'wagon']);
*In php 7 and higher, array is creating using [], not ()
share
|
improve this answer
|
follow
...
Limit file format when using ?
...MIME-type using both the file extension and its binary signature (ASP.NET, PHP, Ruby, Java). You might also want to refer to these tables for file types and their magic numbers, to perform a more robust server-side verification.
Here are three good reads on file-uploads and security.
EDIT: Maybe fi...
What happens if i return before the end of using statement? Will the dispose be called?
...called. It's called as soon as the execution leaves the scope of the using block, regardless of what means it took to leave the block, be it the end of execution of the block, a return statement, or an exception.
As @Noldorin correctly points out, using a using block in code gets compiled into tr...
Regular expression for letters, numbers and - _
I'm having trouble checking in PHP if a value is is any of the following combinations
6 Answers
...
Pycharm does not show plot
...
Adding plt.show(block=True) to the end of my function is what worked for me. Thank you for the clarification. (Python 3.x, PyCharm 2016.1.4, Ubuntu)
– SummerEla
Jun 3 '16 at 3:30
...
If i synchronized two methods on the same class, can they run simultaneously?
...hem on the same object from different threads (one of the two methods will block until the other is finished).
share
|
improve this answer
|
follow
|
...
What is the difference between buffer and cache memory in Linux?
...
"Buffers" represent how much portion of RAM is dedicated to cache disk blocks. "Cached" is similar like "Buffers", only this time it caches pages from file reading.
quote from:
https://web.archive.org/web/20110207101856/http://www.linuxforums.org/articles/using-top-more-efficiently_89.html
...
How do I know that the UICollectionView has been loaded completely?
... it's datasource methods again... the performBatchUpdates has a completion block attached so if both are performed on the main thread you know any code that put in place of /// collection-view finished reload will execute with a fresh and laid out collectionView
– Magoo
...