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When should I use perror(“…”) and fprintf(stderr, “…”)?
Reading the man pages and some code did not really help me in
understanding the difference between - or better, when I should use - perror("...") or fprintf(stderr, "...") .
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CURL to access a page that requires a login from a different page
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I did not know about this feature buried in those awesome tools. Super useful!
– Timothy C. Quinn
Jul 15 at 19:06
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Why does an NSInteger variable have to be cast to long when used as a format argument?
...tice this is true not just for NSLog statements, which are just debugging aids after all, but also for [NSString stringWithFormat:] and the various derived messages, which are legitimate elements of production code.
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Declaring an enum within a class
...t other classes use then you might as well make it global (or at least outside Car).
It makes no difference. If there is a global one then the local one is still used anyway as it is closer to the current scope. Note that if you define those function outside of the class definition then you'll need ...
How to inspect the return value of a function in GDB?
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May b a stupid question What if function does not have return value?
– Roon13
Oct 15 '18 at 23:29
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How to git-svn clone the last n revisions from a Subversion repository?
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SVN uses consecutive integers to identify revisions, making it even more trivial to walk back n commits ...
– harmic
Apr 20 '17 at 1:15
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How to explore web-based Google Play in another country?
...s Iceland
https://play.google.com/?gl=in India
https://play.google.com/?gl=id Indonesia
https://play.google.com/?gl=ie Ireland
https://play.google.com/?gl=il Israel
https://play.google.com/?gl=it Italy
https://play.google.com/?gl=jm Jamaica
https://play.google.com/?gl=jp Japan
https://play.google.co...
Why does sys.exit() not exit when called inside a thread in Python?
This could be a stupid question, but I'm testing out some of my assumptions about Python and I'm confused as to why the following code snippet would not exit when called in the thread, but would exit when called in the main thread.
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What is the difference between Step Into and Step Over in the Eclipse debugger?
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Consider the following code with your current instruction pointer (the line that will be executed next, indicated by ->) at the f(x) line in g(), having been called by the g(2) line in main():
public class testprog {
stat...
Array include any value from another array?
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(cheeses & foods).empty?
As Marc-André Lafortune said in comments, & works in linear time while any? + include? will be quadratic. For larger sets of data, linear time will be faster. For small data sets, any? + include? may be faster as shown by Lee Jarvis' answer -- pro...