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Compiling with g++ using multiple cores
...ou run in many environments, this can change a lot) you may use ubiquitous Python function cpu_count():
https://docs.python.org/3/library/multiprocessing.html#multiprocessing.cpu_count
Like this:
make -j $(python3 -c 'import multiprocessing as mp; print(int(mp.cpu_count() * 1.5))')
If you're as...
How to activate an Anaconda environment
...would need to set the PATH for your environment (so that it gets the right Python from the environment and Scripts\ on Windows).
Imagine you have created an environment called py33 by using:
conda create -n py33 python=3.3 anaconda
Here the folders are created by default in Anaconda\envs, so you...
Find the files existing in one directory but not in the other [closed]
...nd produce unnecessarily long output for large directories, I wrote my own Python script to compare two folders.
Unlike many other solutions, it doesn't compare contents of the files. Also it doesn't go inside subdirectories which are missing in another directory. So the output is quite concise and...
How to modify list entries during for loop?
...
Why does Python only make a copy of the individual element in the syntax for i in a though? This is very counterintuitive, seemingly different from other languages and has resulted in errors in my code that I had to debug for a long p...
Single vs double quotes in JSON
...
JSON syntax is not Python syntax. JSON requires double quotes for its strings.
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How to calculate cumulative normal distribution?
I am looking for a function in Numpy or Scipy (or any rigorous Python library) that will give me the cumulative normal distribution function in Python.
...
Autoreload of modules in IPython [duplicate]
Is there a way to have IPython automatically reload all changed code? Either before each line is executed in the shell or failing that when it is specifically requested to. I'm doing a lot of exploratory programming using IPython and SciPy and it's quite a pain to have to manually reload each module...
Rearranging Tab Bar Controller Order in StoryBoard
...tem in Project Navigator and select Open As Source Code. In the storyboard XML locate the <tabBarController ...> node. Then I rearrange the order of the segues in the <connections> section:
<connections>
<segue destination="274" kind="relationship" relationship="viewControl...
Get url parameters from a string in .NET
...());
DecodeQueryParametersTest("http://test/test.html?key=bla/blub.xml", new Dictionary<string, string> { { "key", "bla/blub.xml" } });
DecodeQueryParametersTest("http://test/test.html?eins=1&zwei=2", new Dictionary<string, string> { { "eins", "1" }, { "zwei", "2" } }...
How to sign an android apk file
...ng: META-INF/---.SF
adding: META-INF/---.RSA
signing: AndroidManifest.xml
.....
signing: classes.dex
signing: lib/commons-codec-1.6.jar
signing: lib/armeabi/libkonyjsvm.so
jar signed.
Warning:
No -tsa or -tsacert is provided and this jar is not timestamped. Without a timestamp, user...