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Using Emacs as an IDE
...(obvious)
compiler - just run M-x compile and enter your compile command. From there on, you can just M-x compile and use the default. Emacs will capture C/C++ compiler errors (works best with GCC) and help you navigate to lines with warnings or errors.
Debugging - similarly, when you want to debu...
How to save all the variables in the current python session?
... Spyder workspace variables using the spyderlib functions
#%% Load data from .spydata file
from spyderlib.utils.iofuncs import load_dictionary
globals().update(load_dictionary(fpath)[0])
data = load_dictionary(fpath)
#%% Save data to .spydata file
from spyderlib.utils.iofuncs import save_dict...
Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)
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The best way is to set static_url_path to root url
from flask import Flask
app = Flask(__name__, static_folder='static', static_url_path='')
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Executing command line programs from within python [duplicate]
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The subprocess module is the preferred way of running other programs from Python -- much more flexible and nicer to use than os.system.
import subprocess
#subprocess.check_output(['ls', '-l']) # All that is technically needed...
print(subprocess.check_output(['ls', '-l']))
...
A tool to convert MATLAB code to Python [closed]
I have a bunch of MATLAB code from my MS thesis which I now want to convert to Python (using numpy/scipy and matplotlib) and distribute as open-source. I know the similarity between MATLAB and Python scientific libraries, and converting them manually will be not more than a fortnight (provided that ...
What is std::promise?
...td::future is an asynchronous return object ("an object that reads results from a shared state") and a std::promise is an asynchronous provider ("an object that provides a result to a shared state") i.e. a promise is the thing that you set a result on, so that you can get it from the associated futu...
Wrapping a C library in Python: C, Cython or ctypes?
I want to call a C library from a Python application. I don't want to wrap the whole API, only the functions and datatypes that are relevant to my case. As I see it, I have three choices:
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commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated
...tter method!) should fix it. See also How and when should I load the model from database for h:dataTable.
If UICommand or UIInput components are included by a dynamic source such as <ui:include src="#{bean.include}">, then you need to ensure that exactly the same #{bean.include} value is pres...
How to clone an InputStream?
...d the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associated array of bytes and open as many "cloned" ByteArrayInputStreams as you like.
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// ...
Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
I mean, aside from its obligating name (the Standard Template Library)...
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