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How do you remove an array element in a foreach loop?
...
@AbraCadaver From the documentation (php.net/manual/en/function.array-filter.php): ARRAY_FILTER_USE_KEY - pass key as the only argument to callback instead of the value ARRAY_FILTER_USE_BOTH - pass both value and key as arguments ...
What are “decorators” and how are they used?
...corates them? In other words, say I have module A that decorates a service from module B. I then have module C that depends upon module A and module B. Inside of module C, is the service from module B the original or decorated version?
– Jon Jaques
Feb 26 '14 a...
C++0x has no semaphores? How to synchronize threads?
...
You can easily build one from a mutex and a condition variable:
#include <mutex>
#include <condition_variable>
class semaphore
{
private:
std::mutex mutex_;
std::condition_variable condition_;
unsigned long count_ = 0; // In...
“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
...IntegrationPlugin",
"debug": false,
"version": 329472
}
Got keys from plugin meta data ("xcb")
loaded library "/media/sf_Qt/Package/platforms/libqxcb.so"
QLibraryPrivate::loadPlugin failed on "/media/sf_Qt/Package/platforms/libqxcb.so" : "Cannot load library /media/sf_Qt/Package/platforms/...
Build the full path filename in Python
I need to pass a file path name to a module. How do I build the file path from a directory name, base filename, and a file format string?
...
Avoid trailing zeroes in printf()
...bage. What you need to do if you don't want to surprise the users is start from say 15 digits and keep incrementing until atof gives back the same value.
– 6502
Jul 21 '15 at 16:36
...
How does RewriteBase work in .htaccess
...r developers reading your rules will grasp these more easily.
Quoting from Jon Lin's excellent in-depth answer here:
In an htaccess file, mod_rewrite works similar to a <Directory> or <Location> container. and the RewriteBase is used to provide a relative path base.
For example, s...
Sending multipart/formdata with jQuery.ajax
...ontent-Type header for you, otherwise, the boundary string will be missing from it.
Also, you must leave the processData flag set to false, otherwise, jQuery will try to convert your FormData into a string, which will fail.
You may now retrieve the file in PHP using:
$_FILES['file-0']
(There is ...
sendmail: how to configure sendmail on ubuntu? [closed]
...ing the following into the command line:
$ echo "My test email being sent from sendmail" | /usr/sbin/sendmail myemail@domain.com
The following will allow you to add smtp relay to sendmail:
#Change to your mail config directory:
cd /etc/mail
#Make a auth subdirectory
mkdir auth
chmod 700 auth
#...
Creating an object: with or without `new` [duplicate]
...ray that it did not new. In fact, nothing newd the C-style string; it came from a string literal. deleteing that is an error (albeit one that will not generate a compilation error, but instead unpredictable behaviour at runtime).
Usually an object should not have the responsibility of deleteing any...