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How can I find the method that called the current method?
...see if this works in a comment! Try the following in a console application and you see that compiler optimsations break it. static void Main(string[] args) { CallIt(); } private static void CallIt() { Final(); } static void Final() { StackTrace trace = new StackTrace(); StackFrame frame =...
What's the difference between a Future and a Promise?
What's the difference between Future and Promise ?
They both act like a placeholder for future results, but where is the main difference?
...
getResourceAsStream() vs FileInputStream
I was trying to load a file in a webapp, and I was getting a FileNotFound exception when I used FileInputStream . However, using the same path, I was able to load the file when I did getResourceAsStream() .
What is the difference between the two methods, and why does one work while the other do...
Custom dealloc and ARC (Objective-C)
...ing ARC, you simply do not call [super dealloc] explicitly - the compiler handles it for you (as described in the Clang LLVM ARC document, chapter 7.1.2):
- (void) dealloc
{
[observer unregisterObject:self];
// [super dealloc]; //(provided by the compiler)
}
...
How does one capture a Mac's command key via JavaScript?
...is not going to be captured by browsers as such.
This is only for the command key on MacOS/keyboards.
Unlike Shift/Alt/Ctrl, the Cmd (“Apple”) key is not considered a modifier key—instead, you should listen on keydown/keyup and record when a key is pressed and then depressed based on event...
What is the difference between getFields and getDeclaredFields in Java reflection
I'm a little confused about the difference between the getFields method and the getDeclaredFields method when using Java reflection.
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Read and overwrite a file in Python
...
If you don't want to close and reopen the file, to avoid race conditions, you could truncate it:
f = open(filename, 'r+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
The functionality will likely...
What does get-task-allow do in Xcode?
... entitlements in my iPhone app project, I create a new Entitlements.plist, and set the value of get-task-allow to false. But why? What does this key represent?
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Remove all occurrences of a value from a list?
... I wouldn't call this solution the best. List comprehensions are faster and easier to understand while skimming through code. This would rather be more of a Perl way than Python.
– Peter Nimroot
Aug 13 '16 at 15:25
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What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
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