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Installing specific package versions with pip
I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it:
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How to print to stderr in Python?
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@DanH Yes this forces you to make your code Python3-ready. I guess this could be why many people actually like it!
– MarcH
Nov 18 '14 at 19:00
18
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Python str vs unicode types
Working with Python 2.7, I'm wondering what real advantage there is in using the type unicode instead of str , as both of them seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
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How do I wrap a selection with an HTML tag in Visual Studio?
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@WildJoe what kind of file do you have open? if it's an xml or xaml file by chance, i'm not sure this will work, as I believe this only works for HTML editors.
– D-Jones
May 29 '18 at 18:16
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Exception messages in English?
...le:
<configuration>
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<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="mscorlib.resources" publicKeyToken="b77a5c561934e089"
culture="fr" /> <!-- change...
Releasing memory in Python
...ted on the heap can be subject to high-water marks. This is complicated by Python's internal optimizations for allocating small objects (PyObject_Malloc) in 4 KiB pools, classed for allocation sizes at multiples of 8 bytes -- up to 256 bytes (512 bytes in 3.3). The pools themselves are in 256 KiB ar...
How to refer to relative paths of resources when working with a code repository
... How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)?
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How do I share IntelliJ Run/Debug configurations between projects?
...gurations.
The share check-mark pulls the setting out of your workspace.xml and instead puts it in the directory .idea\runConfigurations. This is designed so you can share the setting with others.
You could copy this file and put it in the same location in all your idea projects.
However, in th...
how to concatenate two dictionaries to create a new one in Python? [duplicate]
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Slowest and doesn't work in Python3: concatenate the items and call dict on the resulting list:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \
'd4 = dict(d1.items() + d2.items() + d3.items())'
100000 loops, best of 3: 4.93 usec pe...
How exactly does the python any() function work?
In the python docs page for any , the equivalent code for the any() function is given as:
5 Answers
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