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What is the proper declaration of main?
...ograms that declare main with a return type of void; this is probably the most frequently violated rule concerning the main function).
There are two declarations of main that must be allowed:
int main() // (1)
int main(int, char*[]) // (2)
In (1), there are no parameters.
In (...
How can I make a Python script standalone executable to run without ANY dependency?
...
I mean you have two problems: closed source and no-deps. For closed source compile your important code in C libs using Cython. For no-deps use py2exe and make an executable with .pyd (cython compiled) files within.
– neurino
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What are the differences between poll and select?
I am referring to the POSIX standard select and poll system C API calls.
3 Answers
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What do pty and tty mean?
... terminal. (Called teletype because that's what we had for terminals in those benighted days.)
A pty is a pseudotty, a device entry that acts like a terminal to the process reading and writing there, but is managed by something else. They first appeared (as I recall) for X Window and screen and th...
What are carriage return, linefeed, and form feed?
...eed means to advance downward to the next line; however, it has been repurposed and renamed. Used as "newline", it terminates lines (commonly confused with separating lines). This is commonly escaped as \n, abbreviated LF or NL, and has ASCII value 10 or 0x0A. CRLF (but not CRNL) is used for the p...
How to close Android application?
I want to close my application, so that it no longer runs in the background.
22 Answers
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Stop UIWebView from “bouncing” vertically?
....seems to work fine.
It'll be accepted to App Store as well.
Update: in iOS 5.x+ there's an easier way - UIWebView has scrollView property, so your code can look like this:
webView.scrollView.bounces = NO;
Same goes for WKWebView.
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Fastest way(s) to move the cursor on a terminal command line?
...
Since this hasn't been closed yet, here are a few more options.
Use Ctrl+x followed by Ctrl+e to open the current line in the editor specified by $FCEDIT or $EDITOR or emacs (tried in that order).
If you ran the command earlier, hit Ctrl+r for a re...
/usr/include/c++/4.9/bits/stl_iterator_base_types.h:165:53: error: ‘i...
...地方法,例如使用
::distance(age[0],age[1])
或者将distance放在一个命名空间中,例如：
namespace foo
{
double distance(int a, int b)
{
return fabs(a-b);
}
}
int main()
{
foo::distance(x,y); //now you're calling your own distance function.
}
或者不...
How to show the last queries executed on MySQL?
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For those blessed with MySQL >= 5.1.12, you can control this option globally at runtime:
Execute SET GLOBAL log_output = 'TABLE';
Execute SET GLOBAL general_log = 'ON';
Take a look at the table mysql.general_log
If you prefe...