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How to set DOM element as the first child?
...nd(newChild) // [newChild, child1, child2]
This is modern JS! It is more readable than previous options. It is currently available in Chrome, FF, and Opera.
The equivalent for adding to the end is append, replacing the old appendChild
parent.append(newChild) // [child1, child2, newChild]
Advance...
What is a simple command line program or script to backup SQL server databases?
...BASE mydatabase TO DISK='C:\tmp\db.bak' WITH FORMAT"
You'll also want to read the documentation on BACKUP and RESTORE and general procedures.
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Exif manipulation library for python [closed]
...iv2: http://exiv2.org/) is a mature, open-source C++ library that supports reading and writing metadata to many image types (JPEG, PNG, TIFF and many raw formats), understands standard (Xmp, IPTC and Exif) and non-standard metadata ("Makernotes"), and runs on multiple platforms (Windows, Linux, and,...
When is the @JsonProperty property used and what is it used for?
...ll serializer how to serial object. It is used to:
variable name
access (READ, WRITE)
default value
required/optional
from example:
public class Parameter {
@JsonProperty(
value="Name",
required=true,
defaultValue="No name",
access= Access.READ_WRITE)
public ...
Good PHP ORM Library?
...
+1 +1 +1 +! +! !!!!...jesus I read the first part of the documentation and it got me making sinister dictator laughter, and I'm downloading it already!
– KJW
Mar 27 '12 at 3:09
...
Node Version Manager install - nvm command not found
...o the ~/.zshrc file as when starting a new terminal my Deepin Terminal zsh reads ~/.zshrc and not bashs ~/.bashrc.
Why does this happen
This happens because when installing NVM it adds code to ~/.bashrc, as my terminal Deepin Terminal uses zsh and not bash it never reads ~/.bashrc and therefor nev...
'this' vs $scope in AngularJS controllers
... the desire to support "reusable components, which should not accidentally read or modify data in the parent scope." But if a directive really does want/need to read or modify SOME SPECIFIC data in the parent scope (like the 'pane' directive does), it requires some effort: 'require' the controller w...
How do I copy to the clipboard in JavaScript?
...cluding displaying and user interacting with any security prompts.
Text is read from the DOM and placed on the clipboard.
During testing ~April 2015 only Internet Explorer was noted as displaying permissions prompts whilst writing to the clipboard.
Overriding the copy event
See Clipboard API docu...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...
You may want to read http://research.google.com/pubs/pub37077.html
TL;DR: randomly inserting nop instructions in programs can easily increase performance by 5% or more, and no, compilers cannot easily exploit this. It's usually a combinatio...
Nested using statements in C#
...n opening brace { after the last using statement, like this:
using (StreamReader outFile = new StreamReader(outputFile.OpenRead()))
using (StreamReader expFile = new StreamReader(expectedFile.OpenRead()))
{
///...
}
s...