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TSQL - Cast string to integer or return default value
... END
IF ABS(@I) > 2147483647 RETURN NULL
RETURN @I
END
GO
-- Testing
DECLARE @Test TABLE(Value nvarchar(50)) -- Result
INSERT INTO @Test SELECT '1234' -- 1234
INSERT INTO @Test SELECT '1,234' -- 1234
INSERT INTO @Test SELECT '1234.0' -- 1234
INSERT INTO...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
...next process was to display the default databases (info. schema, mysql and test) which was achieved by using "SHOW DATABASES;"
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How to find and return a duplicate value in array
...
It's linear, O(n), but now needs to manage multiple lines-of-code, needs test cases, etc.
If you need an even faster solution, maybe try C instead.
And here is the gist comparing different solutions: https://gist.github.com/naveed-ahmad/8f0b926ffccf5fbd206a1cc58ce9743e
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What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel
...he model property matching the string expression):
// Model
public string Test { get; set; }
// View
@Html.Label("Test")
// Output
<label for="Test">Test</label>
Html.LabelFor gives you a label for the property represented by the provided expression (typically a model property):
//...
How to call a shell script from python code?
...ple:
>>> import subprocess
>>> subprocess.call(['sh', './test.sh']) # Thanks @Jim Dennis for suggesting the []
0
>>>
Where test.sh is a simple shell script and 0 is its return value for this run.
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Java 8 Streams: multiple filters vs. complex condition
...hat big.
You can take a look on my GitHub project, where I did performance tests for multiple array iteration options
For small array 10 element throughput ops/s:
For medium 10,000 elements throughput ops/s:
For large array 1,000,000 elements throughput ops/s:
NOTE: tests runs on
8 CPU
1 ...
Fastest way to serialize and deserialize .NET objects
I'm looking for the fastest way to serialize and deserialize .NET objects. Here is what I have so far:
9 Answers
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Skip certain tables with mysqldump
... better for me. I can now import these two files into another database for testing purposes without having to worry about manipulating 9GB of data or running out of disk space.
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NSUserDefaults - How to tell if a key exists
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@zekel Rather than guessing, I tested this (on iOS 5.1.1), and it definitely detected whether or not a BOOL was present, independent of what the value of said BOOL might be. "objectForKey" returned nil when the BOOL was not present because it had never be...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...ariables as well, on can do a $defined_vars = get_defined_vars(); and then test via array_key_exists('v', $defined_vars);.
– Henrik Opel
Sep 27 '10 at 16:01
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