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If string is empty then return some default value
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edited Feb 2 '11 at 5:59
answered Jan 27 '11 at 19:24
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Convert object to JSON in Android
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281
Most people are using gson : check this
Gson gson = new Gson();
String json = gson.toJson(myObj...
How can I use Bash syntax in Makefile targets?
...syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) .
6 Answers
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How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller
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edited May 15 '14 at 18:36
jcolebrand
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Declaring a default constraint when creating a table
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1 Answer
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Active
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Store query result in a variable using in PL/pgSQL
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201
I think you're looking for SELECT INTO:
select test_table.name into name from test_table where ...
Return first match of Ruby regex
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135
You could try variableName[/regular expression/]. This is an example output from irb:
irb(mai...
How to synchronize a static variable among threads running different instances of a class in Java?
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194
There are several ways to synchronize access to a static variable.
Use a synchronized static...
Adding additional data to select options using jQuery
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HTML Markup
<select id="select">
<option value="1" data-foo="dogs">this</option>
<option value="2" data-foo="cats">that</option>
<option value="3" data-foo="gerbils">other</option>
</select>
Code
// JavaScript using jQuery
$(fu...
Django database query: How to get object by id?
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186
If you want to get an object, using get() is more straightforward:
obj = Class.objects.get(pk...