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How to execute Python scripts in Windows?
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In Win10 I write test.py 123 and I get 123 printed as sys.argv[1]. Did Microsoft changed something?
– Hrvoje T
Mar 28 '18 at 6:39
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How to get numbers after decimal point?
...0') % 1
Decimal('0.20')
As kindall notes in the comments, you'll have to convert native floats to strings first.
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How do I change db schema to dbo
...changing the object owner. Haven't tried it on 2008, though.
DECLARE @old sysname, @new sysname, @sql varchar(1000)
SELECT
@old = 'jonathan'
, @new = 'dbo'
, @sql = '
IF EXISTS (SELECT NULL FROM INFORMATION_SCHEMA.TABLES
WHERE
QUOTENAME(TABLE_SCHEMA)+''.''+QUOTENAME(TABLE_NAME) = '...
Convert List to List
... is to iterate over the list and cast the elements. This can be done using ConvertAll:
List<A> listOfA = new List<C>().ConvertAll(x => (A)x);
You could also use Linq:
List<A> listOfA = new List<C>().Cast<A>().ToList();
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Count work days between two dates
...artDate
--Strip the time element from both dates (just to be safe) by converting to whole days and back to a date.
--Usually faster than CONVERT.
--0 is a date (01/01/1900 00:00:00.000)
SELECT @StartDate = DATEADD(dd,DATEDIFF(dd,0,@StartDate), 0),
@EndDate = DATEADD(d...
Is there a simple way to convert C++ enum to string?
Suppose we have some named enums:
34 Answers
34
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Parallelize Bash script with maximum number of processes
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Depending on what you want to do xargs also can help (here: converting documents with pdf2ps):
cpus=$( ls -d /sys/devices/system/cpu/cpu[[:digit:]]* | wc -w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
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Using boolean values in C
... @rpattiso You're quite right, of course, but I guess I would read !!a as "convert non-boolean a to its equivalent truth value", whereas I'd read !a as "logically invert the boolean variable a". In particular, I'd look for some specific reason the logical inversion was desired.
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What does the brk() system call do?
...; before program start, the kernel would load the "text" and "data" blocks into RAM starting at address zero (actually a little above address zero, so that the NULL pointer genuinely didn't point to anything) and set the break address to the end of the data segment. The first call to malloc would t...
Should I implement __ne__ in terms of __eq__ in Python?
..., because self == other returns a proxy object, and not self == other just converts the truthy proxy object to False. Hopefully, filter throws an exception on being handled invalid arguments like False. While I'm sure many will argue that MyTable.fieldname should be consistently on the left hand sid...