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Why do most C developers use define instead of const? [duplicate]
...til runtime and can only be used for automatic variables (i.e. can only be allocated on the stack).
– Bart van Ingen Schenau
Oct 27 '10 at 12:44
4
...
Meaning of acronym SSO in the context of std::string
...es ("from the stack", which are variables that you create without calling malloc / new) are generally much faster than those involving the free store ("the heap", which are variables that are created using new). However, the size of automatic arrays is fixed at compile time, but the size of arrays f...
Declaration of Methods should be Compatible with Parent Methods in PHP
What are possible causes of this error in PHP? Where can I find information about what it means to be compatible ?
5 Answe...
List all files in one directory PHP [duplicate]
What would be the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks!
...
jQuery UI Sortable, then write order into a database
...Ted array and update the elements' positions accordingly.
For example, in PHP:
$i = 0;
foreach ($_POST['item'] as $value) {
// Execute statement:
// UPDATE [Table] SET [Position] = $i WHERE [EntityId] = $value
$i++;
}
Example on jsFiddle.
...
How to combine two strings together in PHP?
...atenate two strings together.
Use the concatenation operator . (and .=)
In PHP . is the concatenation operator which returns the concatenation of its right and left arguments
$data1 = "the color is";
$data2 = "red";
$result = $data1 . ' ' . $data2;
If you want to append a string to another string ...
How can I open several files at once in Vim?
...in that file.
For example, if you want to open all the files that end in .php in a given directory, first create files.txt containing the list of files, prepended with whatever command you want to use to open them.
sp alpha.php
sp bravo.php
sp charlie.php
Then, within vim:
:so files.txt
If th...
Fastest way to replace NAs in a large data.table
....805 12.301 134.985
system.time(a_andrie = f_andrie(dt1))
Error: cannot allocate vector of size 305.2 Mb
Timing stopped at: 14.541 7.764 68.285
system.time(f_dowle(dt1))
user system elapsed
7.452 4.144 19.590 # EDIT has faster than this
identical(a_gdata, dt1)
[1] TRUE
Note th...
Static method in a generic class?
...<Object>.doIt(object) and got a compile-time error! "Syntax error on token(s), misplaced construct(s)". Clazz.doIt(object) works fine though, not even a warning.
– André Chalella
Jun 1 '09 at 20:14
...
Format date and time in a Windows batch script
...mp;1 || GOTO s_error
:: Use WMIC to retrieve date and time
FOR /F "skip=1 tokens=1-6" %%G IN ('WMIC Path Win32_LocalTime Get Day^,Hour^,Minute^,Month^,Second^,Year /Format:table') DO (
IF "%%~L"=="" goto s_done
Set _yyyy=%%L
Set _mm=00%%J
Set _dd=00%%G
Set _hour=00%%H
...