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How to Generate unique file names in C#
...too, and doesn't suffer from race conditions.
For example, if you pass it test.txt, it will attempt to create files in this order:
test.txt
test (2).txt
test (3).txt
etc. You can specify the maximum attempts or just leave it at the default.
Here's a complete example:
class Program
{
stati...
Swift: Pass array by reference?
...
Something like
var a : Int[] = []
func test(inout b : Int[]) {
b += [1,2,3,4,5]
}
test(&a)
println(a)
???
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What is the difference between MVC and MVVM? [closed]
...he need for separate Controllers.
The problem is: that to be independently testable*, and especially reusable when needed, a view-model has no idea what view is displaying it, but more importantly no idea where its data is coming from.
*Note: in practice Controllers remove most of the logic, from th...
How to convert DateTime to VarChar
...
With Microsoft Sql Server:
--
-- Create test case
--
DECLARE @myDateTime DATETIME
SET @myDateTime = '2008-05-03'
--
-- Convert string
--
SELECT LEFT(CONVERT(VARCHAR, @myDateTime, 120), 10)
...
Move an array element from one array position to another
...splice(new_index, 0, arr.splice(old_index, 1)[0]);
return arr; // for testing
};
// returns [2, 1, 3]
console.log(array_move([1, 2, 3], 0, 1));
Note that the last return is simply for testing purposes: splice performs operations on the array in-place, so a return is not necessary. ...
How to efficiently compare two unordered lists (not sets) in Python?
...e was a more efficient method and clearly I drew a blank. After extensive testing in python 3 with the timeit module, sorted consistently comes out faster on lists of integers. On lists of, 1k items, about 1.5% slower and on short lists, 10 items, 7.5% slower. Thoughts?
– a...
Get list of passed arguments in Windows batch script (.bat)
...Label+xyz
exit /b
:MYlabel
echo func %0, %~0, %~f0
exit /b
Output
main test.bat, test.bat, C:\temp\test.bat
func :myLabel+xyz, :myLabel+xyz, C:\temp\test.bat
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Bash script - variable content as a command to run
...just need to do:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
$(perl test.pl test2 $count)
However, if you want to call your Perl command later, and that's why you want to assign it to a variable, then:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
var="perl test.pl test2 $count" # You ...
log all sql queries
...
Oh, and one more thing to in django test runner ignores settings and overrides DEBUG to False, so in test you must @override_settings(DEBUG=True)
– Janusz Skonieczny
Oct 19 '17 at 15:14
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How to identify unused css definitions
...ten a windows application to find and remove unused CSS classes. I haven't tested it but from the description, you have to provide the path of your html files and one CSS file. The program will then list the unused CSS selectors. From the screenshot, it looks like there is no way to export this list...