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Parsing JSON from XmlHttpRequest.responseJSON
... with any browser that supports XMLHttpRequest and JSON.
JSONHttpRequest
If you prefer to use responseJSON, but want a more lightweight solution than JQuery, you might want to check out my JSONHttpRequest. It works exactly like a normal XMLHttpRequest, but also provides the responseJSON property. ...
Architecture of a single-page JavaScript web application?
...mplex single-page JS web application be structured on the client-side? Specifically I'm curious about how to cleanly structure the application in terms of its model objects, UI components, any controllers, and objects handling server persistence.
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
...S vs. LEFT JOIN / IS NULL: MySQL
In a nutshell:
NOT IN is a little bit different: it never matches if there is but a single NULL in the list.
In MySQL, NOT EXISTS is a little bit less efficient
In SQL Server, LEFT JOIN / IS NULL is less efficient
In PostgreSQL, NOT IN is less efficient
In Oracl...
What is process.env.PORT in Node.js?
....PORT || 3000 means: whatever is in the environment variable PORT, or 3000 if there's nothing there.
So you pass that app.listen, or to app.set('port', ...), and that makes your server be able to accept a parameter from the environment what port to listen on.
If you pass 3000 hard-coded to app.lis...
How to wrap async function calls into a sync function in Node.js or Javascript?
...e it work properly. you should improve your documentation for this module, if you wish that it gets used more. I doubt the authors know exactly what the ramifications are for using the module, and if they do, they certainly don't document them.
– Alexander Mills
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Still Reachable Leak detected by Valgrind
...the functions mentioned in this block are library functions. How can I rectify this memory leak?
5 Answers
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Block Declaration Syntax List
... I presume) is notoriously incongruous. Passing blocks as arguments looks different than declaring blocks as ivars, which looks different than typedef ing blocks.
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C# Convert List to Dictionary
...ey, the second one picks the value.
You can play with it and make values differ from the keys, like this:
var res = list.ToDictionary(x => x, x => string.Format("Val: {0}", x));
If your list contains duplicates, add Distinct() like this:
var res = list.Distinct().ToDictionary(x => x, x...
How do I copy folder with files to another folder in Unix/Linux? [closed]
...on you're looking for is -R.
cp -R path_to_source path_to_destination/
If destination doesn't exist, it will be created.
-R means copy directories recursively. You can also use -r since it's case-insensitive.
Note the nuances with adding the trailing / as per @muni764's comment.
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How to concatenate two strings to build a complete path
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Except if $part1 can be empty string.
– Tuure Laurinolli
Jan 2 '17 at 14:36
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