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When should I use a table variable vs temporary table in sql server?
...RY KEY constraint. SQL Server 2014 introduced inline index syntax for a subset of the options available in CREATE INDEX. This has been extended since to allow filtered index conditions. Indexes with INCLUDE-d columns or columnstore indexes are still not possible to create on table variables however....
When to use window.opener / window.parent / window.top
...g 1 runs the code to open Dialog 2, after creating Dialog 2, have dialog 1 set a property on Dialog 2 that references the Dialog1 opener.
So if "childwindow" is you variable for the dialog 2 window object, and "window" is the variable for the Dialog 1 window object. After opening dialog 2, but befo...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
.../rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
env | grep rvm
if there was output, try to open new terminal, if it does not help then restart your computer.
install RVM:
\curl -L https://get.rvm.io |
bash -s stable --ruby --autolibs...
ffmpeg - Converting MOV files to MP4 [closed]
...
@CyberSkull -qscale sets the compression level. The lower the qscale value, the better the quality. The available qscale values range from 1 (highest quality) to 31 (lowest quality).
– RonnyKnoxville
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How do you count the number of occurrences of a certain substring in a SQL varchar?
...h an empty string and comparing the lengths
Declare @string varchar(1000)
Set @string = 'a,b,c,d'
select len(@string) - len(replace(@string, ',', ''))
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NodeJS: How to get the server's port?
...express.createServer();
// Configuration
app.configure(function(){
app.set('views', __dirname + '/views');
app.use(express.bodyDecoder());
app.use(express.methodOverride());
app.use(express.compiler({ src: __dirname + '/public', enable: ['less'] }));
app.use(app.router);
app.use(expres...
How to avoid .pyc files?
....pyo files by
supplying the -B switch to the Python
interpreter, or by setting the
PYTHONDONTWRITEBYTECODE environment
variable before running the
interpreter. This setting is available
to Python programs as the
sys.dont_write_bytecode variable, and
Python code can change the value t...
How do I horizontally center a span element inside a div
...
Spans can get a bit tricky to deal with. if you set the width of teach span you can use
margin: 0 auto;
to center them, but they then end up on different lines. I would suggest trying a different approach to your structure.
Here is the jsfiddle I cam e up with off the ...
Differences between Intent and PendingIntent
...Intent Resolver:
Intent intent = new Intent(Intent.ACTION_SENDTO);
intent.setData(Uri.parse("mailto:")); // only email apps should handle this
The specified chooser gives the proper interface for the user to pick how to send your email data.
EXPLICIT INTENTS
// Explicit Intent by specifying its...
Spring Boot - parent pom when you already have a parent pom
...he benefits of using it (i.e. dependency management) without replacing the settings in your actual parent.
The 2 main other things it does are
define a load of properties for quickly setting versions of dependencies that you want to override
configure some plugins with default configuration (prin...