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SQL order string as number
...h forces a conversion to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not cont...
Redefining NULL
I'm writing C code for a system where address 0x0000 is valid and contains port I/O. Therefore, any possible bugs that access a NULL pointer will remain undetected and at the same time cause dangerous behaviour.
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Clean ways to write multiple 'for' loops
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edited Jan 10 '14 at 11:57
hansmaad
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JSR-303 @Valid annotation not working for list of child objects
...rAddressesForm with @Valid annotation. See section 3.1.3 and 3.5.1 of JSR 303: Bean Validation. As I explained in my answer to the question Is there a standard way to enable JSR 303 Bean Validation using annotated method, this is the real use of @Valid annotation as per JSR 303.
Edit
Example code: ...
ASP.NET web.config: configSource vs. file attributes
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304
file attribute
Specifies a relative path to an external file that contains custom application...
Which is more preferable to use: lambda functions or nested functions ('def')?
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108
If you need to assign the lambda to a name, use a def instead. defs are just syntactic sugar fo...
how to get the current working directory's absolute path from irb
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answered Dec 21 '09 at 1:31
user85509user85509
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Platform independent size_t Format specifiers in c?
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anatolyg
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answered Jan 24 '10 at 3:49
Adam RosenfieldAdam Rosenfield
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Difference between setUp() and setUpBeforeClass()
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207
The @BeforeClass and @AfterClass annotated methods will be run exactly once during your test ru...
Gulp.js task, return on src?
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Sindre SorhusSindre Sorhus
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