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Converting int to bytes in Python 3
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That's the way it was designed - and it makes sense because usually, you would call bytes on an iterable instead of a single integer:
>>> bytes([3])
b'\x03'
The docs state this, as well as the docstring for bytes:
>>> help(bytes)
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Calculate a Running Total in SQL Server
...QL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, somevalue,
SUM(somevalue) OVER(ORDER BY somedate
ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
AS RunningTotal
FROM Table
SQL Server gi...
Using Java with Nvidia GPUs (CUDA)
I'm working on a business project that is done in Java, and it needs huge computation power to compute business markets. Simple math, but with huge amount of data.
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Use dynamic variable names in JavaScript
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Since ECMA-/Javascript is all about Objects and Contexts (which, are also somekind of Object), every variable is stored in a such called Variable- (or in case of a Function, Activation Object).
So if you create variables like this:
var a = 1,
b = 2,
c = 3;
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
...bunch of mutexes or a single one for an object.
If you have many threads and the access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e....
Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
7 Answers
7
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How do I find Waldo with Mathematica?
...y' outside of North America] puzzles, using Mathematica (image-processing and other functionality)?
5 Answers
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Remove all special characters, punctuation and spaces from string
I need to remove all special characters, punctuation and spaces from a string so that I only have letters and numbers.
16 A...
NSDate beginning of day and end of day
...onents.timeZone = NSTimeZone(name: "GMT")
– Tom Bevelander
Sep 5 '16 at 0:45
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Android emulator and virtualbox cannot run at same time
Whenever I have Virtualbox running, I cannot start an Android emulator image (and vice versa). The error message in the AVD manager is
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