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How do I toggle an element's class in pure JavaScript?
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2014 answer: classList.toggle() is the standard and supported by most browsers.
Older browsers can use use classlist.js for classList.toggle():
var menu = document.querySelector('.menu') // Using a class instead, see note below.
menu.classList.toggle('hidden-phone');
As an aside, y...
StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
18
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Correct way to detach from a container without stopping it
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Update: As mentioned in below answers Ctrl+p, Ctrl+q will now turn interactive mode into daemon mode.
Well Ctrl+C (or Ctrl+\) should detach you from the container but it will kill the container because your main process is a bash.
A little lesso...
How to solve java.lang.NoClassDefFoundError?
I've tried both the example in Oracle's Java Tutorials . They both compile fine, but at run-time, both come up with this error:
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C# operator overload for `+=`?
I am trying to do operator overloads for += , but I can't. I can only make an operator overload for + .
10 Answers
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How do I catch a PHP fatal (`E_ERROR`) error?
I can use set_error_handler() to catch most PHP errors, but it doesn't work for fatal ( E_ERROR ) errors, such as calling a function that doesn't exist. Is there another way to catch these errors?
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Merge, update, and pull Git branches without using checkouts
I work on a project that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do:
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How to get arguments with flags in Bash
I know that I can easily get positioned parameters like this in bash:
11 Answers
11
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How to interpolate variables in strings in JavaScript, without concatenation?
...s syntax:
`String text ${expression}`
Template literals are enclosed by the back-tick (` `) (grave accent) instead of double or single quotes.
This feature has been introduced in ES2015 (ES6).
Example
var a = 5;
var b = 10;
console.log(`Fifteen is ${a + b}.`);
// "Fifteen is 15.
How neat...
How to change current Theme at runtime in Android [duplicate]
...ld like to see the method too, where you set once for all your activities. But as far I know you have to set in each activity before showing any views.
For reference check this:
http://www.anddev.org/applying_a_theme_to_your_application-t817.html
Edit (copied from that forum):
protected void...