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What is the difference between '>' and a space in CSS selectors?
...o scenarios div > span { } vs. div span { }
Here, the (space) selects all the all the <span> elements inside <div> element even if they are nested inside more than one element. The > selects all the children of <div> element but if they are not inside another element.
Take...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...son for this maybe because you try to set a column to NOT NULL when it actually already has NULL values.
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How to replace DOM element in place using Javascript?
......).
Any string value will be added as a text element.
Examples:
// Initially [child1, target, child3]
target.replaceWith(span, "foo") // [child1, span, "foo", child3]
const list = ["bar", span]
target.replaceWith(...list, "fizz") // [child1, "bar", span, "fizz", child3]
Safely handling nu...
Failed to load c++ bson extension
...
I guess you did not have the make tools available when you installed your mongodb library. I suggest you do
xcode-select --install (on a mac)
or sudo apt-get install gcc make build-essential (on ubuntu)
and run
rm -rf node_modules
npm cache clean
npm install
OR just npm update bas...
import .css file into .less file
...by the browser at runtime ; with (inline), the CSS file's contents are actually imported into the compiled stylesheet, which is what you want if that file is out of your web root for example. Note that the default behaviour when @importing a .css file is the same as with the (css) flag - read the d...
How to upgrade PowerShell version from 2.0 to 3.0
...he OS that I am using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
...
How to copy a local Git branch to a remote repo
... otherwise specified.
This is already done for you when you use git clone, allowing you to use git push without any arguments to push the local master branch to update the origin repository’s master branch.
git config branch.<name>.remote <remote>
can be used to specify this manually...
mkdir's “-p” option
...p created both, hello and goodbye
This means that the command will create all the directories necessaries to fulfill your request, not returning any error in case that directory exists.
About rlidwka, Google has a very good memory for acronyms :). My search returned this for example: http://www.cs...
OOP vs Functional Programming vs Procedural [closed]
...
All of them are good in their own ways - They're simply different approaches to the same problems.
In a purely procedural style, data tends to be highly decoupled from the functions that operate on it.
In an object oriented...
What's the main difference between Java SE and Java EE? [duplicate]
...ava SE (formerly J2SE) is the basic Java environment. In Java SE, you make all the "standards" programs with Java, using the API described here. You only need a JVM to use Java SE.
Java EE (formerly J2EE) is the enterprise edition of Java. With it, you make websites, Java Beans, and more powerful s...