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Node.js on multi-core machines
...onnection throttling (unless you want overload conditions to bring the box down completely), rewrite URLs, serve static content, and proxy other sub-services.
Periodically recycle your worker processes. For a long-running process, even a small memory leak will eventually add up.
Setup log collection...
Creating range in JavaScript - strange syntax
...ines (or you can just trust me on this one, but don't), it basically boils down to this:
function Array(len) {
var ret = [];
ret.length = len;
return ret;
}
(operates under the assumption (which is checked in the actual spec) that len is a valid uint32, and not just any number of valu...
Most efficient way to convert an HTMLCollection to an Array
...nt, here is a jsfiddle that compares the performance of different methods. https://jsfiddle.net/qw9qf48j/
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Numpy: Get random set of rows from 2D array
...
Another option is to create a random mask if you just want to down-sample your data by a certain factor. Say I want to down-sample to 25% of my original data set, which is currently held in the array data_arr:
# generate random boolean mask the length of data
# use p 0.75 for False and...
Adding a column to an existing table in a Rails migration
...ew one with just the add column in the up section and a drop column in the down section.
You can change the original and rerun it if you migrate down between, but in this case I think that's made a migration that won't work properly.
As currently posted, you're adding the column and then creating ...
How many Activities vs Fragments?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How does Facebook disable the browser's integrated Developer Tools?
... this is my fault. We're testing this for some users to see if it can slow down some attacks where users are tricked into pasting (malicious) JavaScript code into the browser console.
Just to be clear: trying to block hackers client-side is a bad idea in general;
this is to protect against a specif...
What do column flags mean in MySQL Workbench?
...than just having a link. That way the answer is safe even if the link goes down (again).
– IQAndreas
Feb 1 '16 at 8:46
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Android Fragment handle back button press [duplicate]
...our onActivityCreated() method of Fragment.
You also need to check Action_Down or Action_UP event. If you will not check then onKey() Method will call 2 times.
Also, If your rootview(getView()) will not contain focus then it will not work. If you have clicked on any control then again you need to ...
Load a UIView from nib in Swift
...mp; trailing constraints - attaching the view to "self" on all sides (See: https://stackoverflow.com/a/46279424/2274829 for details)
Returning the top level view
And the caller method might look like this:
final class SomeView: UIView { // 1.
required init?(coder aDecoder: NSCoder) { // 2 ...