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Xcode debugging - displaying images
...ation of UIImage/CGImageRef variables!
Xcode itself can't do it. I don't know about external tools.
What i'm doing to test images while debugging is to convert that raw data into an image-file format, like .png, and then saving it somewhere, and then i'm opening the image with any image viewing to...
When should we use mutex and when should we use semaphore
...). This isn't so easy with a multiple-instance resource since you may not know whether the thread wants to claim another instance or the same instance again.
– paxdiablo
Oct 28 '10 at 5:21
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Safe (bounds-checked) array lookup in Swift, through optional bindings?
...hen accessing missing keys, which makes sense because it's much harder to know if a key is present in a dictionary since those keys can be anything, where in an array the key must in a range of: 0 to count. And it's incredibly common to iterate over this range, where you can be absolutely sure have ...
How to save a Python interactive session?
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reinteract is now superseded by the IPython Notebook and QtConsole.
– Eric O Lebigot
Jan 26 '14 at 17:17
Extract a dplyr tbl column as a vector
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@mzuba I would use the pull command now. My solution was written prior to dplyr version 0.6.
– rrs
Jun 20 '18 at 13:12
1
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What is the relative performance difference of if/else versus switch statement in Java?
Worrying about my web application's performances, I am wondering which of "if/else" or switch statement is better regarding performance?
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Retrieving Property name from lambda expression
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now in C# 6 you can simply use nameof like this nameof(User.UserId)
which has many benefits, among them is that this is done at compile time, not runtime.
https://msdn.microsoft.com/en-us/magazine/dn802602.aspx
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Does C# have an equivalent to JavaScript's encodeURIComponent()?
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Also see this answer for more explanation on the difference between Uri.EscapeUriString and Uri.EscapeDataString: stackoverflow.com/questions/4396598/…
– Jason
Mar 16 '17 at 16:12
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Vertical (rotated) label in Android
... super(context, attrs);
final int gravity = getGravity();
if(Gravity.isVertical(gravity) && (gravity&Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) {
setGravity((gravity&Gravity.HORIZONTAL_GRAVITY_MASK) | Gravity.TOP);
topDown = false;
}els...
Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...of the struct. Compare the assembly output of myFunction1 and myFunction2 now,
--- prog list "myFunction1" ---
0000 (s.go:5) TEXT myFunction1+0(SB),$16-24
0001 (s.go:6) MOVQ $type."".MyStructType+0(SB),(SP)
0002 (s.go:6) CALL ,runtime.new+0(SB)
0003 (s.go:6) MOVQ 8(SP),AX
0004 (s.go:8)...