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1030 Got error 28 from storage engine
...last ones on a different partition/disk)
– Diego Andrés Díaz Espinoza
Mar 31 '15 at 15:35
1
You...
Printing 1 to 1000 without loop or conditionals
...while incrementing j, then calls exit(). Whew :)
– Frédéric Hamidi
Jan 4 '11 at 19:16
7
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PyCharm shows unresolved references error for valid code
...ghting my valid code with "unresolved reference" errors, even for built-in Python functions. Why don't these seem to be detected, even though the code runs? Is there any way to get PyCharm to recognize these correctly?
...
Pass a parameter to a fixture function
I am using py.test to test some DLL code wrapped in a python class MyTester.
For validating purpose I need to log some test data during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
...
Difference between staticmethod and classmethod
... function into a class because it logically belongs with the class. In the Python source code (e.g. multiprocessing,turtle,dist-packages), it is used to "hide" single-underscore "private" functions from the module namespace. Its use, though, is highly concentrated in just a few modules -- perhaps an...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的解释型语言都是可以用作脚本编程的，如：Perl、Tcl、Python、PHP、Ruby。Perl是最老牌的脚本编程语言了，Python这些年也成了一些linux发行版的预置解释器。
编译型语言，只要有解释器，也可以用作脚本编程，如C shell是内置的（/...
How to check a string for specific characters?
How can I check if a string has several specific characters in it using Python 2?
5 Answers
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How do I check if a variable exists?
...d is likely to result in unpredictable behaviour.
If you need to do it in Python, the following trick, which is similar to yours, will ensure that a variable has some value before use:
try:
myVar
except NameError:
myVar = None
# Now you're free to use myVar without Python complaining.
H...
Difference between __str__ and __repr__?
What is the difference between __str__ and __repr__ in Python?
23 Answers
23
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Pip install Matplotlib error with virtualenv
...
Building Matplotlib requires libpng (and freetype, as well) which isn't a python library, so pip doesn't handle installing it (or freetype).
You'll need to install something along the lines of libpng-devel and freetype-devel (or whatever the equivalent is for your OS).
See the building requirem...