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Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
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Select the class's symbol in its header file - i.e. the bit just after @interface. Then the refactoring stuff should be enabled.
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Dynamic Sorting within SQL Stored Procedures
...eing duplicated twice in the order by, and is a little more readable IMO:
SELECT
s.*
FROM
(SELECT
CASE @SortCol1
WHEN 'Foo' THEN t.Foo
WHEN 'Bar' THEN t.Bar
ELSE null
END as SortCol1,
CASE @SortCol2
WHEN 'Foo' THEN t.Foo
WHEN 'Bar' THEN t.Bar
ELSE...
How can I select an element by name with jQuery?
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You can use the jQuery attribute selector:
$('td[name ="tcol1"]') // matches exactly 'tcol1'
$('td[name^="tcol"]' ) // matches those that begin with 'tcol'
$('td[name$="tcol"]' ) // matches those that end with 'tcol'
$('td[name*="tcol"]' ) // matche...
Different ways of adding to Dictionary
...to know how it works especially if you work with dictionaries of string or char type of key. It's case sensitive because of undergoing hashing. So for example "name" != "Name". Let's use our CRC32 to depict this.
Value for "name" is: e04112b1
Value for "Name" is: 1107fb5b
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Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
...s a dialog where the app\src\main\res Directory Structure is automatically selected (the right choice)
Clicking on the OK button, AS opens the Asset Studio dialog where you can find all the tools and options we had on the past Eclipse ADT
This can be done absolutely in any moments after creation o...
Where is array's length property defined?
...he StringBuffer class itself does, yes - because it holds a reference to a char[] (or did, at least; I don't know whether it still does, off-hand). So while a StringBuilder is responsible for more memory, its immediate size and layout are fixed.
– Jon Skeet
Sep...
Create an Android Jar library for distribution
...ormal Java project in Eclipse, add the android.jar to the build path, then select Export - Java - Jar File.
– Jeff Gilfelt
Feb 16 '11 at 10:47
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How to integrate CSS pre-processing within Eclipse? [closed]
...and then click OK.
Find the *.scss entry in the File Associations list and select it.
After selecting *.scss, on the bottom pane Associated editors:, click the Add... button.
Make sure Internal editors is selected on the top, then find and select CSS Editor and then click OK.
This associated the f...
Encode html entities in javascript
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You can use regex to replace any character in a given unicode range with its html entity equivalent. The code would look something like this:
var encodedStr = rawStr.replace(/[\u00A0-\u9999<>\&]/gim, function(i) {
return '&#'+i.charCodeAt(0...
MySQL Select Query - Get only first 10 characters of a value
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Using the below line
SELECT LEFT(subject , 10) FROM tbl
MySQL Doc.
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