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How to find keys of a hash?
I know in javascript Objects double as hashes but i have been unable to find a built in function to get the keys
9 Answers...
What is the python keyword “with” used for? [duplicate]
...resource is "cleaned up" when the code that uses it finishes running, even if exceptions are thrown. It provides 'syntactic sugar' for try/finally blocks.
From Python Docs:
The with statement clarifies code that previously would use try...finally blocks to ensure that clean-up code is executed. In ...
How to convert current date into string in java?
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FYI, these troublesome classes are now legacy, supplanted by the java.time classes. See Oracle Tutorial.
– Basil Bourque
Aug 18 '17 at 15:46
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Tool to convert Python code to be PEP8 compliant
I know there are tools which validate whether your Python code is compliant with PEP8, for example there is both an online service and a python module .
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Understanding ibeacon distancing
...ssi) over the calibrated transmitter power (txPower). The txPower is the known measured signal strength in rssi at 1 meter away. Each beacon must be calibrated with this txPower value to allow accurate distance estimates.
While the distance estimates are useful, they are not perfect, and require ...
How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
...itch usually does the trick. However, that is a very useful warning indeed if you care about these things in your project. It becomes annoying when GCC starts to warn you about things not in your code though.
I would recommend you keeping the warning on, but use -isystem instead of -I for include d...
Include constant in string without concatenating
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@Pekka: I know :-D (just this time... ;) )
– Felix Kling
Feb 4 '10 at 23:26
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vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...e
【Other Options】:
--build-type=<type> Build the specified pre-defined set of variations
of the libraries. Note, that which variants get
built depends on what each library supports.
minimal (default) - ...
How to trigger event when a variable's value is changed?
...of 1 then a certain piece of code is carried out.
I know that I can use an if statement but the problem is that the value will be changed in an asynchronous process so technically the if statement could be ignored before the value has changed.
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How do I determine if my python shell is executing in 32bit or 64bit?
... Thanks for checking. I've substantially revised the answer to show the now documented sys.maxsize test for Python 2.6+ and the struct test used by the platform module which also works for older versions of Python 2.
– Ned Deily
Mar 30 '11 at 17:43
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