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Convert a Scala list to a tuple?
...e of Scala sequence using the +: syntax. Also, don't forget to add a catch-all
– ig-dev
Jun 19 '19 at 8:33
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what's data-reactid attribute in html?
...ct applications can be rendered at the server as well as the client. Internally React builds up a representation of references to the DOM nodes that make up your application (simplified version is below).
{
id: '.1oqi7occu80',
node: DivRef,
children: [
{
id: '.1oqi7occu80.0',
...
Calculating a directory's size using Python?
...
This walks all sub-directories; summing file sizes:
import os
def get_size(start_path = '.'):
total_size = 0
for dirpath, dirnames, filenames in os.walk(start_path):
for f in filenames:
fp = os.path.join(di...
What does Docker add to lxc-tools (the userspace LXC tools)?
...acement for lxc. "lxc" refers to capabilities of the linux kernel (specifically namespaces and control groups) which allow sandboxing processes from one another, and controlling their resource allocations.
On top of this low-level foundation of kernel features, Docker offers a high-level tool with ...
from jquery $.ajax to angular $http
...JS way of calling $http would look like:
$http({
url: "http://example.appspot.com/rest/app",
method: "POST",
data: {"foo":"bar"}
}).then(function successCallback(response) {
// this callback will be called asynchronously
// when the response is available
$scope.d...
Cosine Similarity between 2 Number Lists
... scientific routines for example, "routines for computing integrals numerically, solving differential equations, optimization, and sparse matrices." It uses the superfast optimized NumPy for its number crunching. See here for installing.
Note that spatial.distance.cosine computes the distance, and ...
How to save an HTML5 Canvas as an image on a server?
I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is:
...
MySQL query String contains
...
Quite simple actually:
mysql_query("
SELECT *
FROM `table`
WHERE `column` LIKE '%{$needle}%'
");
The % is a wildcard for any characters set (none, one or many). Do note that this can get slow on very large datasets so if your database grow...
Looking to understand the iOS UIViewController lifecycle
...
All these commands are called automatically at the appropriate times by iOS when you load/present/hide the view controller. It's important to note that these methods are attached to UIViewController and not to UIViews themsel...
How to do Base64 encoding in node.js?
...uld be .toString("binary") (atob stands for ascii(base64) to binary, after all)
– 12Me21
Jan 14 at 19:55
@12Me21 I tho...