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PadLeft function in T-SQL
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SQL Server now supports the FORMAT function starting from version 2012, so:
SELECT FORMAT(id, '0000') FROM TableA
will do the trick.
If your id or column is in a varchar and represents a number you convert first:
SELECT FORMAT(CON...
Why do I need to override the equals and hashCode methods in Java?
... hashCode(), let's see what would happen in this particular case where we know that two objects of MyClass are equal if their importantField is equal but we do not override equals().
Override only hashCode
If you only override hashCode then when you call myMap.put(first,someValue) it takes first, ca...
JavaScript data grid for millions of rows [closed]
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(Disclaimer: I am the author of SlickGrid)
UPDATE
This has now been implemented in SlickGrid.
Please see http://github.com/mleibman/SlickGrid/issues#issue/22 for an ongoing discussion on making SlickGrid work with larger numbers of rows.
The problem is that SlickGrid does not virtu...
How do I get the current time only in JavaScript
... // => 30
d.getSeconds(); // => 51
or
var d = new Date(); // for now
d.getHours(); // => 9
d.getMinutes(); // => 30
d.getSeconds(); // => 51
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Does my application “contain encryption”?
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[UPDATE: Using HTTPS is now exempt from the ERN as of late September, 2016]
https://stackoverflow.com/a/40919650/4976373
Unfortunately, I believe that your app "contains encryption" in terms of US BIS even if you just use HTTPS (if your app is no...
What is the Git equivalent for revision number?
...es, how can git reasonably assign a sequential revision number? A has no knowledge of B before they push/pull each other's changes.
Another thing to look at is simplified branching for bugfix branches:
Start with a release: 3.0.8. Then, after that release, do this:
git branch bugfixes308
This...
Node.js check if file exists
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Anyone reading this now (Node.js v0.12.x) keep in mind that fs.exists and fs.existsSync have also been deprecated. The best way to check file existence is fs.stat, as demoed above.
– Antrikshy
Mar 29 '15 at...
How to load a UIView using a nib file created with Interface Builder
...ll it 'myViewNib.xib') in IB, set you file's Owner to MyViewController
4) now connect your file's Owner outlet myViewFromNib to the main view in the nib.
5) Now in MyViewController, write the following line:
[[NSBundle mainBundle] loadNibNamed:@"myViewNib" owner:self options:nil];
Now as soon ...
What does 'var that = this;' mean in JavaScript?
...r.active = false;
var activateStarter = function(){
// 'this' now points to the global scope
// 'this.starter' is undefined, so we use 'that' instead.
that.starter.active = true;
// you could also use car.starter, but using 'that' gives
// us more consis...
How can I access my localhost from my Android device?
...hanks, this was for great help for me. The issue for me was that I didn't know that the local apache server could be addressed via the ip 10.0.2.2. ... I tries lots of other ip-adresses, like the one show by ipconfig etc. But again, thanks alot!
– Vidar Vestnes
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