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Constant pointer vs Pointer to constant [duplicate]
...pointer
constant_pointer.c: In function ‘main’:
constant_pointer.c:13: error: increment of read-only variable ‘ptr’
Hence we see very clearly above that compiler complains that we cannot changes the address held by a constant pointer.
Pointer to Constants
#include<stdio.h>
int mai...
java get file size efficiently
While googling, I see that using java.io.File#length() can be slow.
FileChannel has a size() method that is available as well.
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Where is the WPF Numeric UpDown control?
Getting into the first serious WPF project. It seems like there are a lot of basic controls flat out missing. Specifically, I am looking for the Numeric UpDown control. Was there an out of band release that I missed? Really don't feel like writing my own control.
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What does “atomic” mean in programming?
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Show space, tab, CRLF characters in editor of Visual Studio
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edited Mar 2 '18 at 15:05
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What does `kill -0 $pid` in a shell script do?
...pages:
kill(1)
$ man 1 kill
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If sig is 0, then no signal is sent, but error checking is still performed.
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kill(2)
$ man 2 kill
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If sig is 0, then no signal is sent, but error checking is still performed; this
can be used to check for the existence of a process ID or process group ID.
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
It can be anoying that jQuery event handlers always execute in the order they were bound. For example:
10 Answers
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What is the correct way of using C++11's range-based for?
...f using for (const auto& x : v) just fails to compile.
g++ outputs an error message something like this:
TestRangeFor.cpp:138:11: error: assignment of read-only reference 'x'
x *= 10;
^
The correct approach in this case is capturing by non-const reference:
vector<...
Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
5 Answers
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File upload progress bar with jQuery
... Hello Jam,i implemented ur code but getting 500 internal server error.
– Pramod Pandey
Apr 20 '13 at 7:57
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