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MySQL: @variable vs. variable. What's the difference?
...are loosely typed variables that may be initialized somewhere in a session and keep their value until the session ends.
They are prepended with an @ sign, like this: @var
You can initialize this variable with a SET statement or inside a query:
SET @var = 1
SELECT @var2 := 2
When you develop a stor...
Does anyone still use [goto] in C# and if so why? [closed]
I was wondering whether anyone still uses the "goto" keyword syntax in C# and what possible reasons there are for doing so.
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How to check if a table exists in a given schema
Postgres 8.4 and greater databases contain common tables in public schema and company specific tables in company schema.
company schema names always start with 'company' and end with the company number.
So there may be schemas like:
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
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Yes. They are different file formats (and their file extensions).
Wikipedia entries for each of the formats will give you quite a bit of information:
JPEG (or JPG, for the file extension; Joint Photographic Experts Group)
PNG (Portable Network Graphics)
BMP (B...
Which is faster : if (bool) or if(int)?
The above topic made me do some experiments with bool and int in if condition. So just out of curiosity I wrote this program:
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Why does Eclipse complain about @Override on interface methods?
...n Java 5.
Make sure that your IDE projects are setup to use a Java 6 JRE, and that the "source compatibility" is set to 1.6 or greater:
Open the Window > Preferences dialog
Browse to Java > Compiler.
There, set the "Compiler compliance level" to 1.6.
Remember that Eclipse can override th...
Where can I locate themes for VS2012
...soft.com/366ad100-0003-4c9a-81a8-337d4e7ace05
Comes w/ VS 2010 style blue and a few others...
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Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)
I like the window chrome on the new Office Suite and Visual Studio:
6 Answers
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UnboundLocalError on local variable when reassigned after first use
The following code works as expected in both Python 2.5 and 3.0:
12 Answers
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Why would you use an ivar?
...is question asked the other way, such as Must every ivar be a property? (and I like bbum's answer to this Q).
7 Answers
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