大约有 44,000 项符合查询结果（耗时：0.0479秒） [XML]
How to lock orientation during runtime
...ing runtime? For example I'd like to allow the user to lock the screen to landscape if the user currently in landscape and toggle the menu option.
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Multiple constructors in python? [duplicate]
... answered Jan 29 '10 at 18:41
Andrew SledgeAndrew Sledge
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How do I print the elements of a C++ vector in GDB?
..., 30}
To achieve above, you need to have gdb 7 (I tested it on gdb 7.01) and some python pretty-printer. Installation process of these is described on gdb wiki.
What is more, after installing above, this works well with Eclipse C++ debugger GUI (and any other IDE using GDB, as I think).
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Swift Beta performance: sorting arrays
I was implementing an algorithm in Swift Beta and noticed that the performance was very poor. After digging deeper I realized that one of the bottlenecks was something as simple as sorting arrays. The relevant part is here:
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Disable assertions in Python
... process that uses or inherits the environment.
E.g., in Windows, setting and then clearing the environment variable:
C:\>python -c "assert False"
Traceback (most recent call last):
File "<string>", line 1, in <module>
AssertionError
C:\>SET PYTHONOPTIMIZE=TRUE
C:\>python -...
What is the difference between g++ and gcc?
What is the difference between g++ and gcc? Which one of them should be used for general c++ development?
10 Answers
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What is the difference between quiet NaN and signaling NaN?
I have read about floating-point and I understand that NaN could result from operations. But I can't understand what these are concepts exactly. What is the difference between them?
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Log exception with traceback
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Use logging.exception from within the except: handler/block to log the current exception along with the trace information, prepended with a message.
import logging
LOG_FILENAME = '/tmp/logging_example.out'
logging.basicConfig(filename=LOG_FILENAME, level=logging.DEBUG)
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Delete files older than 15 days using PowerShell
...re's some code that will first delete all of the files older than 15 days, and then recursively delete any empty directories that may have been left behind. My code also uses the -Force option to delete hidden and read-only files as well. Also, I chose to not use aliases as the OP is new to PowerShe...
Parse a .py file, read the AST, modify it, then write back the modified source code
...on source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file).
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