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Auto-loading lib files in Rails 4
...ny subdirectories of app directory are automatically in the autoload_paths array in Rails 4.2.See edgeguides.rubyonrails.org/…
– Dr.Strangelove
Oct 30 '15 at 8:51
...
How does Facebook disable the browser's integrated Developer Tools?
...e, but this time we get an object. Where the result of the expression, the array [1,2,3,4] is represented as an object with all its properties described.
I recommend trying to evaluate this and that expression, including those that generate errors. It's quite interesting.
Additionally, take a loo...
How to organize a node app that uses sequelize?
...d closely the code, you will see that relations is an Object instead of an Array, so if you want to make more than one associations of the same type (like having two times belongsTo) - you cannot!
Fourth - You don't need that singleton thingy. Every module in nodejs is singleton by itself, so all t...
Expand/collapse section in UITableView in iOS
...dexPath to manually expand or collapse the section it is in.
I'd store an array of booleans corresponding the the "expended" value of each of your sections. Then you could have the tableView:didSelectRowAtIndexPath on each of your custom header rows toggle this value and then reload that specific s...
Why use @PostConstruct?
...rgetInstance) {
Method[] declaredMethods = type.getDeclaredMethods();
Arrays.stream(declaredMethods)
.filter(method -> method.getAnnotation(PostConstruct.class) != null)
.forEach(postConstructMethod -> {
try {
postConstructMethod.setAccessible(true);
...
file_get_contents(“php://input”) or $HTTP_RAW_POST_DATA, which one is better to get the body of JSON
... go. You can retrieve the specific information you want via the _GET/_POST arrays as usual. AJAX libraries such as MooTools/jQuery will handle the hard part of doing the actual AJAX calls and encoding form data into appropriate formats for you.
...
Why is #!/usr/bin/env bash superior to #!/bin/bash?
... get that old and lousy version of bash that doesn't even have associative arrays.
Using /usr/bin/env bash will use the version of bash found in my PATH. If I setup my PATH, so that /usr/local/bin/bash is executed, that's the bash that my scripts will use.
It's rare to see this with bash, but it i...
Volatile Vs Atomic [duplicate]
...lasses in this
package extend the notion of volatile values, fields, and array
elements to those that also provide an atomic conditional update
operation of the form:
boolean compareAndSet(expectedValue, updateValue);
The atomic classes are built around the atomic compareAndSet(...)...
HTML5 Pre-resize images before uploading
...
return if file is array is null or empty.
– Sheelpriy
Jun 2 '17 at 6:50
2
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How can I reset a react component including all transitively reachable state?
...eact 0.8, keys are only used to distinguish between sibling elements in an array and were ignored at the root. See github.com/facebook/react/issues/590.
– Sophie Alpert
Feb 16 '14 at 21:01
...