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Why is require_once so bad to use?
...ng *_once thousands of times.
<?php // test.php
$LIMIT = 1000000;
$start = microtime(true);
for ($i=0; $i<$LIMIT; $i++)
if (!defined('include.php')) {
require('include.php');
define('include.php', 1);
}
$mid = microtime(true);
for ($i=0; $i<$LIMIT; $i++)
...
How to show a GUI message box from a bash script in linux?
... I use this method to display warnings or errors within my .xinitrc while starting my xorg server. Otherwise the errors would be transparent. I also prefer this zenityover kdialog since KDE didn't start yet and GTK libs are more lightweight.
– cmevoli
Dec 1...
Command prompt won't change directory to another drive
... name with quotes. For example:
cd \winnt\profiles\username\programs\start menu
is the same as:
cd "\winnt\profiles\username\programs\start menu"
which is what you would have to type if extensions were disabled.
...
PyLint, PyChecker or PyFlakes? [closed]
... stdout.write(' ')
else:
stdout.write('*')
START_TIME = time.time()
execute()
print '\nPython Elapsed %.02f' % (time.time() - START_TIME)
EDIT :
Thanks to Rudiger Wolf, I discovered pep8 that does exactly what its name suggests: matching PEP8. It has found several ...
How can we run a test method with multiple parameters in MSTest?
... brought up in Visual Studio's UserVoice forums.
Last Update states:
STARTED · Visual Studio Team ADMIN Visual Studio Team (Product
Team, Microsoft Visual Studio) responded · April 25, 2016 Thank you
for the feedback. We have started working on this.
Pratap Lakshman Visual Stud...
How do I find out if the GPS of an Android device is enabled
...ace dialog, @SuppressWarnings("unused") final int id) {
startActivity(new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS));
}
})
.setNegativeButton("No", new DialogInterface.OnClickListener() {
public void onCli...
biggest integer that can be stored in a double
...ssa, so I think it's 253:
253 + 1 cannot be stored, because the 1 at the start and the 1 at the end have too many zeros in between.
Anything less than 253 can be stored, with 52 bits explicitly stored in the mantissa, and then the exponent in effect giving you another one.
253 obviously can be s...
Can someone explain __all__ in Python?
.... tk). A good hint if this is the case is the presence of __all__ or names starting with underscore in the module’s code.
– flying sheep
Apr 7 '12 at 22:15
12
...
Understanding NSRunLoop
...t beyond the scope of a general answer.
is run loop inactive when i start the thread?
In most applications, the main run loop will run automatically. However, you are responsible for starting the run loop and responding to incoming events for threads you spin.
is it possible to a...
How do servlets work? Instantiation, sessions, shared variables and multithreading
...
ServletContext
When the servlet container (like Apache Tomcat) starts up, it will deploy and load all its web applications. When a web application is loaded, the servlet container creates the ServletContext once and keeps it in the server's memory. The web app's web.xml and all of includ...