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JavaScript, Node.js: is Array.forEach asynchronous?
... implementation of JavaScript: Does it behave asynchronously?
For example, if I call:
10 Answers
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FixedThreadPool vs CachedThreadPool: the lesser of two evils
...ith my very limited knowledge of multithreading, I considered the average life of the threads (several minutes) " long lived ".
...
jQuery click events firing multiple times
...ck handler ain't a one-off throwaway thing. Especially when it's the bulky if-if-if shown in the question. You're supposed to attach it and let it do its work as long as the page lives.
– Marco Faustinelli
Jun 19 '15 at 5:44
...
How do you create optional arguments in php?
...ust be a constant expression. It can't be a variable or a function call.
If you need this functionality however:
function foo($foo, $bar = false)
{
if(!$bar)
{
$bar = $foo;
}
}
Assuming $bar isn't expected to be a boolean of course.
...
Convert numpy array to tuple
... Nice generalization. As a python newbie, though, I wonder if it's considered good style to use exceptions for a condition that is almost as common as the non-exceptional state. At least in c++, flow control by exceptions is usually frowned upon. Would it be better to test if type(...
How can I run MongoDB as a Windows service?
...
I think if you run it with the --install command line switch, it installs it as a Windows Service.
mongod --install
It might be worth reading this thread first though. There seems to be some problems with relative/absolute paths w...
Running Bash commands in Python
...
@AWrightIV If you need your subprocess to be run in a particular working directory, you can use the cwd argument to Popen: subprocess.Popen(..., cwd='path\to\somewhere')
– waterproof
Jul 11 '14 at ...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
...
If you need one single regex, try:
(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*\W)
A short explanation:
(?=.*[a-z]) // use positive look ahead to see if at least one lower case letter exists
(?=.*[A-Z]) // use positi...
What is the HTML tabindex attribute?
...ard events (e.g. 'onkeypress') is to make such elements focusable. Lastly, if you don't want to set the order but just make your element focusable use tabindex="0" on all such elements:
<div tabindex="0"></div>
Also, if you don't want it to be focusable via the tab key then use tabind...
Find where python is installed (if it isn't default dir)
Python is on my machine, I just don't know where, if I type python in terminal it will open Python 2.6.4, this isn't in it's default directory, there surely is a way of finding it's install location from here?
...