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C++11 std::threads vs posix threads
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@Serthy at least to a certain degree - I'm wrestling with cross-compiling a simple program ( stackoverflow.com/q/30893684 ) It works in my happy gcc/linux environment but when I go to compile for ARMv7 the application terminates instant...
Turn off constraints temporarily (MS SQL)
... It is not true that PKs and unique constraint cannot be disabled. At least in more recent version of SQL Server it works. For example, see: techonthenet.com/sql_server/primary_keys.php
– Dejan
May 16 '15 at 12:23
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Appending an element to the end of a list in Scala
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That's because you shouldn't do it (at least with an immutable list).
If you really really need to append an element to the end of a data structure and this data structure really really needs to be a list and this list really really has to be immutable then do eih...
Calling shell functions with xargs
...fining functions in a .bashrc or other script, you can wrap the file or at least the function definitions with a setting of allexport:
set -o allexport
function funcy_town {
echo 'this is a function'
}
function func_rock {
echo 'this is a function, but different'
}
function cyber_func {
echo...
How do I determine the size of my array in C?
...fundamental storage unit in the C++ memory model is the byte. A byte is at least large enough to contain any member of the basic execution character set and is composed of a contiguous sequence of bits, the number of which is implementation-defined."
– Skizz
Se...
How to only find files in a given directory, and ignore subdirectories using bash
...t level, ls -l /dev/abc-* /dev/*/abc-* | fgrep -v /dev/.udev ... except at least on my Linux /dev/*/* does not include files in /dev/.udev/* so you can omit the fgrep -v.
– tripleee
Oct 10 '11 at 16:29
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How to make a HTML Page in A4 paper size page(s)?
... units called cm et al. I advise you to read the linked articles and/or at least my answer. Doing so you will quickly notice your question actually does not really make sense. Also, you might want to post your question as a new question if things are still unclear. This is a Q&A site, not a foru...
Why is whitespace sometimes needed around metacharacters?
... do, since & is a metacharacter. Therefore, your tattoo should have at least one space character.
:(){ :|:&};:
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No newline at end of file
...as having been modified, even though conceptually it wasn’t.
This is at least one good reason to add a newline character at the end.
Example
A file contains:
A() {
// do something
}
Hexdump:
00000000: 4128 2920 7b0a 2020 2020 2f2f 2064 6f20 A() {. // do
00000010: 736f 6d65 7468 696...
Is it unnecessary to put super() in constructor?
...en there is no explicit constructor in the class.
So all classes have at least one constructor.
Subclasses constructors may specify as the first thing they do which constructor in the superclass to invoke before executing the code in the subclass's constructor.
If the subclass constructor does n...