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Get parts of a NSURL in objective-c
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NSURL has a wide range of accessors. You may check them in the documentation for the NSURL class, section Accessing the Parts of the URL. For quick reference:
-[NSURL scheme] = http
-[NSURL resourceSpecifier] = (everything from // to the end of the URL)
-[NSURL user] = foobar
-[NSURL password] =...
Trying to understand CMTime and CMTimeMake
1) CMTimeMake(1,10) means duration of 1 second and timescale of 10, or 10 frames per second. This means 1s duration of video with 10 frames?
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Can you require two form fields to match with HTML5?
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Not exactly with HTML5 validation but a little JavaScript can resolve the issue, follow the example below:
<p>Password:</p>
<input name="password" required="required" type="password" id="password" />
<p>Confirm Password:</p>...
Is it possible to have empty RequestParam values use the defaultValue?
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Just an update on this, recent versions of spring actually no longer require the null check as the desired behaviour has been included with spring that empty values will result in the default value being used.
– Brett Ryan
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Differences between utf8 and latin1
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UTF-8 is prepared for world domination, Latin1 isn't.
If you're trying to store non-Latin characters like Chinese, Japanese, Hebrew, Russian, etc using Latin1 encoding, then they will end up as mojibake. You may find the introductory text of this article use...
Why does “pip install” inside Python raise a SyntaxError?
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Thanks for the clarification, but I still can't get it to run. Where exactly is it? It is giving me a "pip is not recognized" error (because I'm not the right dir). It was installed in \site-packages but I'm looking thought it and I can't find any pi...
“Width equals height” constraint in Interface Builder
...m a view and release while the pointer is over the view. Select "Aspect Ratio". It will create a constraint where the first and second item is the view.
Before Xcode 5.1
You can't because the width/height editor lacks the fields to relate to another property or set the ratio:
Therefore, you c...
Python Git Module experiences? [closed]
...s for Python? (I know of GitPython, PyGit, and Dulwich - feel free to mention others if you know of them.)
11 Answers
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Execute unit tests serially (rather than in parallel)
...gine basically creates ServiceHost instances on the fly based on configuration. This allows us to dynamically reconfigure which services are available without having to bring all of them down and restart them whenever a new service is added or an old one is removed.
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How do I wait for an asynchronously dispatched block to finish?
...semaphore_t sema = dispatch_semaphore_create(0);
[object runSomeLongOperationAndDo:^{
STAssert…
dispatch_semaphore_signal(sema);
}];
if (![NSThread isMainThread]) {
dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);
} else {
while (dispatch_semaphore_wait(sema, DISPATCH_TIME_...