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Rerender view on browser resize with React
...lobals window */
import React, { useState, useEffect } from 'react'
import _debounce from 'lodash.debounce'
const Example = () => {
const [width, setWidth] = useState(window.innerWidth)
useEffect(() => {
const handleResize = _debounce(() => setWidth(window.innerWidth), 100)
w...
Looping a video with AVFoundation AVPlayer?
...g movie duration longer than audio/video tracks is
the problem. FigPlayer_File is disabling gapless transition because
audio track edit is shorter than the movie duration (15.682 vs
15.787).
You need to either fix the movie files to have the movie duration and
track durations to be same...
How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
...
With JDK 1.7 installed, keytool always outputs by default SHA1 fingerprint, not MD5.
you can get the MD5 Certificate by adding -v option.
use the following code:-
C:\Program Files\Java\jdk1.7.0\bin>keytool -v -list -alias
androiddebugke...
Most lightweight way to create a random string and a random hexadecimal number
...165037870407104
9.0292739868164062
5.2836320400238037
t3 only makes one call to the random module, doesn't have to build or read a list, and then does the rest with string formatting.
share
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impr...
What is the difference between a “function” and a “procedure”?
Generally speaking, we all hear about the functions or procedures in programming languages. However, I just found out that I use these terms almost interchangeably (which is probably very wrong).
...
HttpClient.GetAsync(…) never returns when using await/async
...SP.NET, only one thread can handle a request at a time. You can do some parallel processing if necessary (borrowing additional threads from the thread pool), but only one thread would have the request context (the additional threads do not have the request context).
This is managed by the ASP.NET S...
What does T&& (double ampersand) mean in C++11?
...e in the draft C++11 standard, but are not true for the final one! Specifically, it says at various points that rvalue references can bind to lvalues, which was once true, but was changed.(e.g. int x; int &&rrx = x; no longer compiles in GCC) – drewbarbs Jul 13 '14 at 16:12
The biggest d...
Changing Vim indentation behavior by file type
...h a width of 2 characters for indenting (the noexpandtab option is set globally elsewhere in my configuration).
This is described here: http://vimdoc.sourceforge.net/htmldoc/usr_05.html#05.4, scroll down to the section on filetype plugins.
...
ElasticSearch - Return Unique Values
How would I get the values of all the languages from the records and make them unique.
5 Answers
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Difference between Destroy and Delete
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Basically destroy runs any callbacks on the model while delete doesn't.
From the Rails API:
ActiveRecord::Persistence.delete
Deletes the record in the database and freezes this instance to reflect that no changes should be ...