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Difference between single quotes and double quotes in Javascript [duplicate]
I know that in PHP, the only difference between double quotes and single quotes is the interpretation of variable inside a string and the treatment of escape characters.
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What is the difference between async.waterfall and async.series
...s://github.com/caolan/async provides 2 similar methods, async.waterfall and async.series .
4 Answers
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Where am I wrong about my project and these Javascript Frameworks?
...ization of controls/widgets. ExtJS has a ton of them right out of the box and can always be extended, combined, or munged into whatever monstrosity your business requires.
ExtJS 4 also allows you to "skin" your UI's to further customize the look and feel.
If you are new to JavaScript, and are com...
How do I parallelize a simple Python loop?
...like concurrent.futures for this, available in Python3 since version 3.2 - and via backport to 2.6 and 2.7 on PyPi.
You can use threads or processes and use the exact same interface.
Multiprocessing
Put this in a file - futuretest.py:
import concurrent.futures
import time, random #...
Bash script error [: !=: unary operator expected
In my script I am trying to error check if the first and only argument is equal to -v but it is an optional argument. I use an if statement but I keep getting the unary operator expected error.
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jQuery returning “parsererror” for ajax request
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I recently encountered this problem and stumbled upon this question.
I resolved it with a much easier way.
Method One
You can either remove the dataType: 'json' property from the object literal...
Method Two
Or you can do what @Sagiv was saying by returnin...
setTimeout in for-loop does not print consecutive values [duplicate]
... i <= 2; ++i)
doSetTimeout(i);
If you don't do something like this (and there are other variations on this same idea), then each of the timer handler functions will share the same variable "i". When the loop is finished, what's the value of "i"? It's 3! By using an intermediating function,...
Why shouldn't all functions be async by default?
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First off, thank you for your kind words. It is indeed an awesome feature and I am glad to have been a small part of it.
If all my code is slowly turning async, why not just make it all async by default?
Well, you're exaggerating; all your code isn't turning async. When you add two "plain" in...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...pplications, the synchronously multithreaded one (based on HttpWebRequest) and asynchronous I/O one (based on HTTP client) produced similar results: about 10 seconds to execute using around 3% of the CPU and 30 MB of memory. The only difference between the two testers was that the multithreaded one ...
Implementing Fast and Efficient Core Data Import on iOS 5
... sense having that MOC wait until the end to save. It has its own thread, and it will help keep memory down as well.
You wrote:
Then at the end of the import process, I save on the master/parent
context which, ostensibly, pushes modifications out to the other child
contexts including the m...