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What is the use of the %n format specifier in C?
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@AndrewS: Because the function will modify the value of the variable.
– Jack
Jun 20 '14 at 0:31
3
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What is “rvalue reference for *this”?
...this never changes, see the bottom of this post. It's way easier to understand it with this wording though.
Next, the following code chooses the function to be called based on the ref-qualifier of the "implicit object parameter" of the function†:
// t.cpp
#include <iostream>
struct test{
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How to configure socket connect timeout
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I found this. Simpler than the accepted answer, and works with .NET v2
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Connect using a timeout (5 seconds)
IAsyncResult result = socket.BeginConnect( sIP, iPort, null, null )...
What's the difference between using “let” and “var”?
...let keyword was introduced to the language was function scope is confusing and was one of the main sources of bugs in JavaScript.
Take a look at this example from another stackoverflow question:
var funcs = [];
// let's create 3 functions
for (var i = 0; i < 3; i++) {
// and store them in fun...
java.util.regex - importance of Pattern.compile()?
...ld of the Matcher object is through the Pattern object's matcher() method, and the only way to get ahold of the Pattern object is through the compile() method. Then there's the find() method which, unlike matches(), is not duplicated in the String or Pattern classes.
The other reason is to avoid ...
Import Error: No module named numpy
... answered Feb 18 '16 at 8:51
Andrei Madalin ButnaruAndrei Madalin Butnaru
2,92622 gold badges99 silver badges66 bronze badges
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
...vant for Windows (or cygwin), but it's critical there. On Windows, the command will not work without it.
– sleske
Jul 29 '13 at 9:22
3
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How can I check if a file exists in Perl?
...supported by the file system).
-p
File is a named pipe (FIFO), or Filehandle is a pipe.
-S
File is a socket.
-b
File is a block special file.
-c
File is a character special file.
-t
Filehandle is opened to a tty.
-u
File has setuid bit set.
-g
File has setgid bit set.
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Save Screen (program) output to a file
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There is a command line option for logging. The output is saved to screenlog.n file, where n is a number of the screen.
From man pages of screen:
‘-L’ Tell screen to turn on automatic output logging for the windows.
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Difference between static and shared libraries?
What is the difference between static and shared libraries?
8 Answers
8
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