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Animate text change in UILabel
...^{
self.label.text = rand() % 2 ? @"Nice nice!" : @"Well done!";
} completion:nil];
Swift 3, 4, 5
UIView.transition(with: label,
duration: 0.25,
options: .transitionCrossDissolve,
animations: { [weak self] in
self?.label.text = (arc...
Match two strings in one line with grep
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Display clearColor UIViewController over UIViewController
...r view, such as that the subview/modal should be transparent and whatever components is added to the subview should be visible. The problem is that I have is the subview shows black background instead to have clearColor. I'm trying to make UIView as a clearColor not black background. Does anybody...
Where to define custom error types in Ruby and/or Rails?
... include the exception file. See this example, again from httparty: github.com/jnunemaker/httparty/blob/…
– Jason Swett
Apr 15 '14 at 20:05
37
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mkdir's “-p” option
So this doesn't seem like a terribly complicated question I have, but it's one I can't find the answer to. I'm confused about what the -p option does in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this:
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
... performance, take a look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools suc...
Disable scrolling in webview?
..." rather than setting android:scrollbars to "none". This has the effect of completely disabling the scroll handling of the webview and allows it to expand according to its content. Scroll will then be handled solely by the parent ScrollView.
– BladeCoder
Aug 14...
What is the recommended way to delete a large number of items from DynamoDB?
...than Scan to retrieve all items for user_id - this works regardless of the combined hash/range primary key in use, because HashKeyValue and RangeKeyCondition are separate parameters in this API and the former only targets the Attribute value of the hash component of the composite primary key..
Ple...
How to check for the type of a template parameter?
...e all statically known. There shouldn't be any runtime cost, provided your compiler is half-decent. Check the assembly if in doubt, though.
– Kerrek SB
Nov 30 '12 at 21:43
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How can I decrease the size of Ratingbar?
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