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How to insert a character in a string at a certain position?
...ringBuilder explicitly. Using "StringBuilder" solution because it's faster don't respect optimization rules. Code for readability. Optimize after profiling and only where it is require. en.wikipedia.org/wiki/Program_optimization#Quotes
– Remi Morin
Oct 7 '13 a...
Android. Fragment getActivity() sometimes returns null
...developer console error reports sometimes I see reports with NPE issue. I do not understand what is wrong with my code. On emulator and my device application works good without forcecloses, however some users get NullPointerException in fragment class when the getActivity() method is called.
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
How can the theoretical peak performance of 4 floating point operations (double precision) per cycle be achieved on a modern x86-64 Intel CPU?
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What is a mutex?
...son holding the chicken is the only person who is allowed to talk. If you don't hold the chicken you cannot speak. You can only indicate that you want the chicken and wait until you get it before you speak. Once you have finished speaking, you can hand the chicken back to the moderator who will h...
Windows 8.1 / Windows 10 breaks my ASP.NET / IIS : “Service unavailable”
With Windows 8.1 finally released to MSDN/Technet today I came across the following issue running my ASP.NET application after doing an in place upgrade with Win 8.1 RTM:
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What does the explicit keyword mean?
What does the explicit keyword mean in C++?
11 Answers
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Custom numeric format string to always display the sign
...tring to always output the sign, be it +ve or -ve (although what it should do for zero, I'm not sure!)
6 Answers
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Checking if a string can be converted to float in Python
...ings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy
16 Answer...
Getting time elapsed in Objective-C
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NSDate *start = [NSDate date];
// do stuff...
NSTimeInterval timeInterval = [start timeIntervalSinceNow];
timeInterval is the difference between start and now, in seconds, with sub-millisecond precision.
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Change auto increment starting number?
... value to 5 instead of 1 . Is this possible and what query statement does this?
7 Answers
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