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All permutations of a Windows license key
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Disclaimer: Yes, I know that this is not Python code. It just popped into my mind and I simply had to write it down.
The simplest way is the use of shell expansion:
$ echo MPP6R-09RXG-2H{8,B}MT-{B,8}K{H,N}M9-V{6,G}C8R
MPP6R-09RXG-2H8MT-BKHM9-V6C8R
MPP6R-09RXG-2H8M...
IRXmitter红外发射器扩展 · App Inventor 2 中文网
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IRXmitter红外发射器扩展
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Metz电视遥控器
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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...
Why is exception handling bad?
...either culture-specific (maybe more of a problem in Java or C++ than, say, Python) or domain-specific.
– ddaa
Nov 16 '09 at 10:24
39
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Simple argparse example wanted: 1 argument, 3 results
The documentation for the argparse python module , while excellent I'm sure, is too much for my tiny beginner brain to grasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this...
How to set up Spark on Windows?
...d add %SCALA_HOME%\bin in PATH variable in environment variables.
Install Python 2.6 or later from Python Download link.
Download SBT. Install it and set SBT_HOME as an environment variable with value as <<SBT PATH>>.
Download winutils.exe from HortonWorks repo or git repo. Since we d...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...ebugging multithreaded processes.
Note your GDB needs to be compiled with Python support, which is not an issue with current linux distros. To be sure, you can check it by running show configuration inside GDB and searching for --with-python. This little oneliner does the trick, too:
$ gdb -n -quie...
What's the difference between eval, exec, and compile?
I've been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement.
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Slow Requests on Local Flask Server
...g webservers.
Update (2020-07-25): It looks like gevent started supporting python3 5 years ago, shortly after I commented that it didn't, so you can use gevent now.
gevent
You can install gevent through pip with the command pip install gevent or pip3 with the command pip3 install gevent. Instruction...
Check if a program exists from a Makefile
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is this what you did?
check: PYTHON-exists
PYTHON-exists: ; @which python > /dev/null
mytarget: check
.PHONY: check PYTHON-exists
credit to my coworker.
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