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How do I force a UITextView to scroll to the top every time I change the text?
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UITextView*note;
[note setContentOffset:CGPointZero animated:YES];
This does it for me.
Swift version (Swift 4.1 with iOS 11 on Xcode 9.3):
note.setContentOffset(.zero, animated: true)
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Why do you need ./ (dot-slash) before executable or script name to run it in bash?
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You don't need to mistype anything. The user may just have downloaded a malicious package that contains an ls executable in it.
– Juliano
Jun 13 '11 at 13:34
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In Bash, how can I check if a string begins with some value?
...ing Guide says:
# The == comparison operator behaves differently within a double-brackets
# test than within single brackets.
[[ $a == z* ]] # True if $a starts with a "z" (wildcard matching).
[[ $a == "z*" ]] # True if $a is equal to z* (literal matching).
So you had it nearly correct; you ne...
How do you write tests for the argparse portion of a python module? [closed]
I have a Python module that uses the argparse library. How do I write tests for that section of the code base?
9 Answers
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When should I really use noexcept?
...ept? [...] Personally, I care about noexcept because of the increased freedom provided to the compiler to safely apply certain kinds of optimizations.
It seems like the biggest optimization gains are from user optimizations, not compiler ones due to the possibility of checking noexcept and overlo...
What Xcode keyboard shortcuts do you use regularly? [closed]
What Xcode keyboard shortcuts do you use regularly?
16 Answers
16
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
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Update 2016:
Modern browser behave much better. All you should need to do is to set the image width to 100% (demo)
.container img {
width: 100%;
}
Since you don't know the aspect ratio, you'll have to use some scripting. Here is how I would do it with jQuery (demo):
CSS
.container {
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Easiest way to rename a model using Django/South?
...to this on South's site, Google, and SO, but couldn't find a simple way to do this.
4 Answers
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Git: what is a dangling commit/blob and where do they come from?
...g other moves that cause intermediary blobs, and even some things that git does for you to help avoid loss of information.
Eventually (conditionally, according to the git gc man page) it will perform garbage collection and clean these things up. You can also force it by invoking the garbage collec...
Custom Compiler Warnings
... 2015). You can build a code analyzer to check for a custom attribute
I don't believe it's possible. ObsoleteAttribute is treated specially by the compiler and is defined in the C# standard. Why on earth is ObsoleteAttribute not acceptable? It seems to me like this is precisely the situation it w...