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Quickly create large file on a Windows system
... Just want to check if this is a sparse file or does the file actually have data in it?
– slolife
Jun 2 '11 at 17:35
2
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Fade/dissolve when changing UIImageView's image
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I also am setting my image after a SDWebImages callback that way, but for some reason in my CollectionViewCell the image of the first cell, is initially the one from the last visible cell if all my cells update. I guess it's some kind of caching the presentationLayer or so...
Convert from enum ordinal to enum type
I've the enum type ReportTypeEnum that get passed between methods in all my classes but I then need to pass this on the URL so I use the ordinal method to get the int value. After I get it in my other JSP page, I need to convert it to back to an ReportTypeEnum so that I can continue passing it. ...
What is the C runtime library?
What actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
When should we use mutex and when should we use semaphore
... to sleep till you release the mutex.
Spinlock:
Use a spinlock when you really want to use a mutex but your thread is not allowed to sleep.
e.g.: An interrupt handler within OS kernel must never sleep. If it does the system will freeze / crash. If you need to insert a node to globally shared linke...
XPath to find elements that does not have an id or class
How can I get all tr elements without id attribute?
4 Answers
4
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How do I “un-revert” a reverted Git commit?
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Please note this will remove all changes in working tree and index. Use git stash to save any changes you don't wan't to lose.
– zpon
Aug 30 '16 at 5:37
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Is it possible to update a localized storyboard's strings?
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For me Option 1 replaced all already translated strings with English ones. I had to add the translation once again.
– Mihail Velikov
Mar 4 '15 at 9:24
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Can we have functions inside functions in C++?
...rm of a lambda:
int main() {
// This declares a lambda, which can be called just like a function
auto print_message = [](std::string message)
{
std::cout << message << "\n";
};
// Prints "Hello!" 10 times
for(int i = 0; i < 10; i++) {
print...
Short description of the scoping rules?
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Actually, a concise rule for Python Scope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.)
LEGB Rule
Local — N...