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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...
Gradle: Execution failed for task ':processDebugManifest'
...ed my android studio to 2.1.1 and it was working previously. Problem fixed now.
– natur3
Jun 1 '16 at 0:58
As a follow...
how to solve “ruby installation is missing psych” error?
...ven though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up:
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How can I use MS Visual Studio for Android Development?
... Step 5 - VS android v0.95 - 22nd May 2013 Visual Studio 2012 is now fully supported.
– Maitus
May 22 '13 at 17:39
2
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How do you use bcrypt for hashing passwords in PHP?
Every now and then I hear the advice "Use bcrypt for storing passwords in PHP, bcrypt rules".
11 Answers
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What's the difference between `on` and `live` or `bind`?
... on() method, further indicating that you should ignore these methods from now on and just use on:
bind: function( types, data, fn ) {
return this.on( types, null, data, fn );
},
live: function( types, data, fn ) {
jQuery( this.context ).on( types, this.selector, data, fn );
return thi...
filter for complete cases in data.frame using dplyr (case-wise deletion)
... are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame).
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Mercurial move changes to a new branch
...eans, revision 0 is the base on which you started to work on your feature. Now you want to have revisions 1-2 on a named branch, let's say my-feature. Update to revision 0 and create that branch:
$ hg up 0
$ hg branch my-feature
$ hg ci -m "start new branch my-feature"
The history now looks like ...
How can I easily view the contents of a datatable or dataview in the immediate window
...m.Configuration.ConfigurationSettings.AppSettings["Debugging"] ), DateTime.Now.ToString ( "yyyy:MM:dd -- hh:mm:ss.fff --- " ) + msg + "\n" );
break;
//2 -- output to the error label in the master
case 2:
string previousMsg = System.Convert.ToString (System.We...
What does the Reflect object do in JavaScript?
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UPDATE 2015:
As pointed out by 7th's answer, now that ES6 (ECMAScript 2015) has been finalized, more appropriate documentation is now available:
ES6 spec, Reflection
MDN Reflect (including details and examples to all of its methods)
Original answer (for (historic) ...