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What is the difference between '>' and a space in CSS selectors?
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> is the child selector. It specifies only immediate child elements and not any descendant (including grandchildren, grand-grandchildren etc.) as in the second example without the >.
The child selector is not supported by IE 6 and lower. A great compatibility table is here.
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Unique constraint that allows empty values in MySQL
... postfix: "",
imageUploader: {
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....
Why should we include ttf, eot, woff, svg,… in a font-face
... , there are multiple font types included like ttf , eot , woff , svg and cff .
3 Answers
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Loop through files in a directory using PowerShell
...I change the following code to look at all the .log files in the directory and not just the one file?
4 Answers
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throw checked Exceptions from mocks with Mockito
...rovide for a checked Exception to be thrown from the get(int index) method and that is why Mockito is failing.
When you create the mocked List, Mockito will use the definition of List.class to creates its mock.
The behavior you are specifying with the when(list.get(0)).thenThrow(new SomeException...
Abort makefile if variable not set
...ning an auxiliary function for that:
# Check that given variables are set and all have non-empty values,
# die with an error otherwise.
#
# Params:
# 1. Variable name(s) to test.
# 2. (optional) Error message to print.
check_defined = \
$(strip $(foreach 1,$1, \
$(call __check_defin...
How to uglify output with Browserify in Gulp?
...vinyl file object given by source() with vinyl-buffer because gulp-uglify (and most gulp plugins) works on buffered vinyl file objects
So you'd have this instead
var browserify = require('browserify');
var gulp = require('gulp');
var uglify = require('gulp-uglify');
var source = require('vinyl-so...
How to Customize the time format for Python logging?
I am new to Python's logging package and plan to use it for my project. I would like to customize the time format to my taste. Here is a short code I copied from a tutorial:
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How to change the playing speed of videos in HTML5?
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According to this site, this is supported in the playbackRate and defaultPlaybackRate attributes, accessible via the DOM. Example:
/* play video twice as fast */
document.querySelector('video').defaultPlaybackRate = 2.0;
document.querySelector('video').play();
/* now play three times ...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...was removed from the official developer documentation . (See Why doesn't Android use more enums? for the old section content)
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