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What should main() return in C and C++?
...alue for main indicates how the program exited. Normal exit is represented by a 0 return value from main. Abnormal exit is signaled by a non-zero return, but there is no standard for how non-zero codes are interpreted. As noted by others, void main() is prohibited by the C++ standard and should not ...
Using Chrome's Element Inspector in Print Preview Mode?
...button in the left top corner (CTRLSHIFTM).
Make sure the console is shown by clicking Show console in menu at (1) (ESC key toggles the console if Developer Toolbar has focus).
Check Emulate print media at the rendering tab which can be opened by selecting Rendering in menu at (2).
Chrome v46+:
O...
Turn off Chrome/Safari spell checking by HTML/css
... spellchecking on particular input or textarea elements? I mean either by special tag attribute or a proprietary CSS instruction.
...
support FragmentPagerAdapter holds reference to old fragments
...ered an implementation detail. A ViewPager does lazy loading of its pages; by default it only loads the current page, and the one to the left and right.
If you put your app into the background, the fragments that have been added to the fragment manager are saved automatically. Even if your app is k...
How to tell if a file is git tracked (by shell exit code)?
Is there a way to tell if a file is being tracked by running some git command and checking its exit code?
8 Answers
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How to create circle with Bézier curves?
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By optimal distance, what kind of metrics are you optimizing? As shown in Approximate a circle with cubic Bézier curves, the lowest possible maximum drift is achieved by a different value. Can you provide some link defining ...
What is WEB-INF used for in a Java EE web application?
...le contained in the WEB-INF directory may be served
directly to a client by the container. However, the contents of the
WEB-INF directory are visible to servlet code using the getResource
and getResourceAsStream method calls on the ServletContext, and may
be exposed using the RequestDispatch...
How do I get bit-by-bit data from an integer value in C?
...le) and left-shifting can lead to undefined behavior (see this question).
By right-shifting the desired bit into the least significant bit position, masking can be done with 1. No need to compute a new mask value for each bit.
(n >> k) & 1
As a complete program, computing (and subseque...
Single script to run in both Windows batch and Linux Bash?
...rue in most POSIXish shells. If you immediately follow the label character by another character which can’t be used in a GOTO, then commenting your cmd script should not affect your cmd code.
The hack is to put lines of code after the character sequence “:;”. If you’re writing mostly one-li...
How to flush output of print function?
... 2 you'll have to do
import sys
sys.stdout.flush()
after calling print. By default, print prints to sys.stdout (see the documentation for more about file objects).
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