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What Does 'Then' Really Mean in CasperJS
...ch for explaining this. This behavior has been killing me for over a year now as my Casper functional tests for an Ajax-heavy application fail randomly all the time.
– brettjonesdev
Apr 2 '15 at 23:29
...
How can I redirect HTTP requests made from an iPad?
...o resolve requests from your iPhone / iPad. So let's setup the Apache part now...
You may need to install some modules first.
sudo apt-get install libapache2-mod-proxy-html
sudo a2enmod proxy proxy_http proxy_html
sudo apache2ctl graceful
Then create a virtual host file, for example /etc/apache...
Subprocess changing directory
...
To run your_command as a subprocess in a different directory, pass cwd parameter, as suggested in @wim's answer:
import subprocess
subprocess.check_call(['your_command', 'arg 1', 'arg 2'], cwd=working_dir)
A child process can't change its parent's working directo...
How do I do an OR filter in a Django query?
...
If you wondering (like me) where | being used as OR operator comes from, it's actually the set union operator. It's also used (not here) as bitwise OR: stackoverflow.com/questions/5988665/pipe-character-in-python
...
Keyboard Interrupts with python's multiprocessing Pool
...lmost certainly interrupt a condition wait.
Note that this doesn't happen if a timeout is specified; cond.wait(1) will receive the interrupt immediately. So, a workaround is to specify a timeout. To do that, replace
results = pool.map(slowly_square, range(40))
with
results = pool.map_...
Coding Practices which enable the compiler/optimizer to make a faster program
...his can be a huge help for getting around aliasing slowdowns. For example, if your code looks like
void DoSomething(const Foo& foo1, const Foo* foo2, int numFoo, Foo& barOut)
{
for (int i=0; i<numFoo, i++)
{
barOut.munge(foo1, foo2[i]);
}
}
the compiler doesn't kno...
Best way to do multi-row insert in Oracle?
...
Being picky, but the formatting makes more sense if you put "union all" at the end of each select line (except for the last).
– Jamie
Apr 25 '17 at 20:34
...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
...andles Qt's C++
extensions.
The moc tool reads a C++ header file.
If it finds one or more class
declarations that contain the Q_OBJECT
macro, it produces a C++ source file
containing the meta-object code for
those classes. Among other things,
meta-object code is required for the
...
How to assert two list contain the same elements in Python? [duplicate]
...simple example which compares two lists having the same elements but in a different order.
using assertCountEqual the test will succeed
using assertListEqual the test will fail due to the order difference of the two lists
Here a little example script.
import unittest
class TestListElements(un...
Is it a good practice to use try-except-else in Python?
...
"I do not know if it is out of ignorance, but I do not like that
kind of programming, as it is using exceptions to perform flow control."
In the Python world, using exceptions for flow control is common and normal.
Even the Python ...