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std::vector performance regression when enabling C++11
I have found an interesting performance regression in a small C++ snippet, when I enable C++11:
1 Answer
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Best Practices: Salting & peppering passwords?
...e provable and make sense in order for it to be considered secure. Additionally, it has to be implementable in a maintainable way. The most secure system that can't be maintained is considered insecure (because if any part of that security breaks down, the entire system falls apart).
And peppers fi...
Python - Create a list with initial capacity
...bject %d" % ( i, )
result.append(message)
return result
def doAllocate( size=10000 ):
result=size*[None]
for i in range(size):
message= "some unique object %d" % ( i, )
result[i]= message
return result
Results. (evaluate each function 144 times and average ...
Finding what methods a Python object has
Given a Python object of any kind, is there an easy way to get the list of all methods that this object has?
19 Answers
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How can I tell gcc not to inline a function?
Say I have this small function in a source file
8 Answers
8
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Remove all occurrences of a value from a list?
...on over the filter+lambda; the former is more readable in addition to generally more efficient.
– habnabit
Jul 21 '09 at 4:28
17
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UIRefreshControl on UICollectionView only works if the collection fills the height of the container
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You must check in api call if collection view is in refreshing state then end refreshing to dismiss refreshing control.
private let refreshControl = UIRefreshControl()
refreshControl.tintColor = .white
refreshControl.addTarget(self, actio...
How do you log content of a JSON object in Node.js?
... console.log("Session: %O", session); developer.mozilla.org/en-US/docs/Web/API/…
– JP Lew
Jun 12 '19 at 22:02
Worked...
Parsing command-line arguments in C?
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Really thorough answer, thanks Christian (upvoted). However, mac users should be aware that the argp approach isn't cross-platform compatible. As I found here, Argp is a non-standardized glibc API extension. It is available i...
drag drop files into standard html file input
...well:
// dragover and dragenter events need to have 'preventDefault' called
// in order for the 'drop' event to register.
// See: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Drag_operations#droptargets
dropContainer.ondragover = dropContainer.ondragenter = function(evt) {
evt...