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How do I wait for an asynchronously dispatched block to finish?
..._FOREVER);
} else {
while (dispatch_semaphore_wait(sema, DISPATCH_TIME_NOW)) {
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0]];
}
}
This should behave correctly even if runSomeLongOperationAndDo: decides that the operat...
Is it possible to make a Tree View with Angular?
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Have a look at this fiddle
Original: http://jsfiddle.net/brendanowen/uXbn6/8/
Updated: http://jsfiddle.net/animaxf/uXbn6/4779/
This should give you a good idea of how to display a tree like structure using angular. It is kind of using recursion in html!
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Is it possible to use JavaScript to change the meta-tags of the page?
...cription]').attr('content', new_description);
I think it does matter for now, since google said that they will index ajax content via #!hashes and _escaped_fragment_ calls. And now they can verify it (even automatically, with headless browsers, see the 'Creating HTML Snapshots' link on the page me...
Printing a variable memory address in swift
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Swift 2
This is now part of the standard library: unsafeAddressOf.
/// Return an UnsafePointer to the storage used for `object`. There's
/// not much you can do with this other than use it to identify the
/// object
Swift 3
For Swift ...
WebClient vs. HttpWebRequest/HttpWebResponse
... http as the difference in the class name and got mislead by Http... part. Now I'm back on the right track. Thanks!
– Konrad Viltersten
Dec 4 '15 at 10:35
add a comment
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How to remove a project (from the workspace) in PHPStorm?
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I know this post is a little old, but for MAC OS X phpStorm 6*, on the welcome to JetBrains PhpStorm page (under the recent projects use arrow keys up/down to select the project you want to remove, the hold the fn+delete.
Cheer...
Script not served by static file handler on IIS7.5
... to change to the Classic App Pool, then set that pool for framework 4.0. Now I get the following error:
23 Answers
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How to install an npm package from GitHub directly?
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Only solution I think of for now is to specify a commit with .../express.git#commit
– Gaston Sanchez
Dec 8 '14 at 18:23
40
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push_back vs emplace_back
...lue_type it takes a variadic list of arguments, so that means that you can now perfectly forward the arguments and construct directly an object into a container without a temporary at all.
That's useful because no matter how much cleverness RVO and move semantic bring to the table there is still c...
How to access property of anonymous type in C#?
...ng overdue for an update for C# 4:
dynamic d = o;
object v = d.Foo;
And now another alternative in C# 6:
object v = o?.GetType().GetProperty("Foo")?.GetValue(o, null);
Note that by using ?. we cause the resulting v to be null in three different situations!
o is null, so there is no object a...