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round() for float in C++
....49999999999999994, (see it live).
Another common implementation involves casting a floating point type to an integral type, which can invoke undefined behavior in the case where the integral part can not be represented in the destination type. We can see this from the draft C++ standard section 4....
How to set the current working directory? [duplicate]
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I usually use os.getcwd() first, and that shows me the format of the accepted input for os.chdir().
– Rani Kheir
Apr 21 '16 at 9:22
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How can I list the contents of a directory in Python?
...hen used with glob.glob("/home/username/www/.*") ?
– Andy Finkenstadt
Aug 3 '12 at 17:48
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How to set ViewBag properties for all Views without using a base class for Controllers?
... common objects as properties of the base WebViewPage so you don't have to cast items from the ViewBag in every single View. I do my CurrentUser setup this way.
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When to use os.name, sys.platform, or platform.system?
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Dived a bit into the source code.
The output of sys.platform and os.name are determined at compile time. platform.system() determines the system type at run time.
sys.platform is specified as a compiler define during the build configuration.
os.name checks whether certain os specific...
MySQL SELECT WHERE datetime matches day (and not necessarily time)
...anual: "For best results when using BETWEEN with date or time values, use CAST() to explicitly convert the values to the desired data type. Examples: If you compare a DATETIME to two DATE values, convert the DATE values to DATETIME values. If you use a string constant such as '2001-1-1' in a compar...
How can I find the current OS in Python? [duplicate]
...t the platform. sys.platform will distinguish between linux, other unixes, and OS X, while os.name is "posix" for all of them.
For much more detailed information, use the platform module. This has cross-platform functions that will give you information on the machine architecture, OS and OS version...
How do I remove/delete a folder that is not empty?
...n I attempt to delete a folder that is not empty. I used the following command in my attempt: os.remove("/folder_name") .
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...n alternative binary serialization format to Google's Protocol Buffers and JSON which also outperforms both.
6 Answer...
What is an OS kernel ? How does it differ from an operating system? [closed]
I am not able to understand the difference between a kernel and an operating system. I do not see any difference between them. Is the kernel an operating system?
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