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Why do we copy then move?
... being copied. And std::string does have a move constructor.
Unlike in C++03, in C++11 it is often idiomatic to take parameters by value, for the reasons I am going to explain below. Also see this Q&A on StackOverflow for a more general set of guidelines on how to accept parameters.
Why are...
Pip install Matplotlib error with virtualenv
...the trick!
– grisaitis
Feb 4 '13 at 0:59
2
It may work, but note that it wants to install quite a...
sh: 0: getcwd() failed: No such file or directory on cited drive
... with the same name.
– Jackson
Nov 20 '15 at 18:45
exactly true! nice!
– farhad goodarzi
...
How to explain Katana and OWIN in simple words and uses?
...oduct.
Hope this explanation clarifies things better for you.
EDIT (Sep 2014):
With ASP.NET vNext being in development, Katana is slowly getting retired. Version 3.0 will most likely be last major release of Katana as a standalone framework.
However, all the concepts introduced with Katana are b...
Check if database exists in PostgreSQL using shell
...
202
I use the following modification of Arturo's solution:
psql -lqt | cut -d \| -f 1 | grep -qw &...
Re-open *scratch* buffer in Emacs?
...
201
GNU Emacs default bindings:
C-xb *scratch* RET
or, more verbosely
M-x switch-to-buffe...
Android Webview - Completely Clear the Cache
...arCacheFolder(final File dir, final int numDays) {
int deletedFiles = 0;
if (dir!= null && dir.isDirectory()) {
try {
for (File child:dir.listFiles()) {
//first delete subdirectories recursively
if (child.isDirectory()) {
...
Strtotime() doesn't work with dd/mm/YYYY format
...
403
Here is the simplified solution:
$date = '25/05/2010';
$date = str_replace('/', '-', $date);
e...
Is it safe to assume a GUID will always be unique?
...ow there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
...
How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?
... Bootstrap 3 have the following responsive breakpoints: 768px, 992px and 1200px, representing small, medium and large devices respectively.
...