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How do JavaScript closures work?
...nment of function foo is a closure.
A function doesn't have to return in order to create a closure. Simply by virtue of its declaration, every function closes over its enclosing lexical environment, forming a closure.
function foo(x) {
var tmp = 3;
return function (y) {
console.l...
How do you fix a bad merge, and replay your good commits onto a fixed merge?
... remove. It will then present you a list of the
rewound commits in reverse order in whatever editor git is set to use (this is
Vim by default):
pick 00ddaac Add symlinks for executables
pick 03fa071 Set `push.default` to `simple`
pick 7668f34 Modify Bash config to use Homebrew recommended PATH
pick...
How to color System.out.println output? [duplicate]
...RL+V,CTRL+[[31mERROR MESSAGE IN RED'
ie, press CTRL+V and then CTRL+[ in order to get a "raw" ESC character when escape interpretation is not available
If done correctly, you should see a ^[. Although it looks like two characters, it is really just one, the ESC character.
You can also press CTRL+V...
How can I access and process nested objects, arrays or JSON?
...= 2;
});
// Object {id: 2, name: "bar"}
From my experience, using higher order functions instead of for or for..in loops results in code that is easier to reason about, and hence more maintainable.
Just my 2 cents.
share
...
Principles for Modeling CouchDB Documents
...ll the comments that reference that parent post ID, sorted in some logical ordering. Maybe you even pass in something like [postID,byUsername] as the key to the 'comments' view to indicate the parent post and how you want the results sorted or something along those lines.
MongoDB handles documents ...
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...some nicer properties for storage in a database such as roughly increasing order and encoding their creation time for free. The key thing for your use case is that they are designed to guarantee uniqueness to a high probability even if they are generated on different machines.
Now if you were refer...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...
Excellent use of high order functions.
– Farzad YZ
May 18 '16 at 10:19
7
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PHP mail function doesn't complete sending of e-mail
...If your call to mail() does not have the correct parameters in the correct order it will also fail.
Check the server's mail logs
Your web server should be logging all attempts to send emails through it. The location of these logs will vary (you may need to ask your server administrator where they ...
How is Node.js inherently faster when it still relies on Threads internally?
...ld be only what's needed" I get the impression these should be of the same order. Closures are not cheap, the runtime will have to keep the whole call tree of the single-threaded application in memory ("emulating stacks" so to say) and will be able to clean up when a leaf of tree gets released as th...
Capture HTML Canvas as gif/jpg/png/pdf?
... scope of this question a bit, with some useful tidbits on the matter.
In order to get the canvas as an image, you should do the following:
var canvas = document.getElementById("mycanvas");
var image = canvas.toDataURL("image/png");
You can use this to write the image to the page:
document.writ...