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Delete directories recursively in Java
...Apache's commons-io to have reliable symlink detection at this time, as it doesn't handle links on Windows created with mklink.)
For the sake of history, here's a pre-Java 7 answer, which follows symlinks.
void delete(File f) throws IOException {
if (f.isDirectory()) {
for (File c : f.listFi...
Should I learn C before learning C++? [closed]
...cause C++ shares a lot of the same syntax and a lot of the same semantics, does not mean you need to learn C first.
If you learn C++ you will eventually learn most of C with some differences between the languages that you will learn over time. In fact its a very hard thing to write proper C++ b...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
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+1, distribution is the crucial term. It doesn't really make sense to talk about random numbers when nothing is known about the distribution. Uniform is just a special case, albeit an important one. Might be a good place to point out various distributions from the C...
Programmatically get own phone number in iOS
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How does Snapchat do it?
– rgbrgb
Feb 7 '13 at 2:34
1
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Does a favicon have to be 32x32 or 16x16?
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This usage should be replaced by html5 standard now. It doesn't have limitation on icon size and provided an example with a 32768x32768 icon.
– rhgb
Nov 25 '15 at 2:48
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kernel stack and user space stack
... used? If a local variable is declared in an ISR, where it will be stored? Does each process has its own kernel stack? Then how the process coordinates between both these stacks?
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Does :before not work on img elements?
...ector to place an image over another image, but I'm finding that it simply doesn't work to place an image before an img element, only some other element. Specifically, my styles are:
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Removing item from vector, while in C++11 range 'for' loop?
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This doesn't look any simpler than an iterator-based loop, in addition you have to remember to surround your remove_if with .erase, otherwise nothing happens.
– bobobobo
May 4 '13 at 1:33
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Do unix timestamps change across timezones?
...e without Daylight Savings time adjustments." This is simply untrue. GMT does not have Dayllight Savings Time. GMT is measured in Greenwich, England (at the Naval Obeservatory) [0 longitude, but not 0 lattitude]. UTC is measured at the equator [0 longitude and 0 lattitude - which happens to lie ...
The most efficient way to implement an integer based power function pow(int, int)
...g answer or loop forever. (Depending on whether >>= on a signed int does zero-padding or sign-extension - C compilers are allowed to pick either behaviour).
– user9876
Jul 28 '09 at 16:42
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