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Tuning nginx worker_process to obtain 100k hits per min

... Config file: worker_processes 4; # 2 * Number of CPUs events { worker_connections 19000; # It's the key to high performance - have a lot of connections available } worker_rlimit_nofile 20000; # Each connection needs a filehandle (or 2 if you are pr...
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How can I add the sqlite3 module to Python?

...stall sqlite3 module. It is included in the standard library (since Python 2.5). share | improve this answer | follow | ...
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What is function overloading and overriding in php?

... 192 Overloading is defining functions that have similar signatures, yet have different parameters. O...
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Truncating floats in Python

... 29 Answers 29 Active ...
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How do I convert a pandas Series or index to a Numpy array? [duplicate]

... you should use the values attribute: In [1]: df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]}, index=['a', 'b', 'c']); df A B a 1 4 b 2 5 c 3 6 In [2]: df.index.values Out[2]: array(['a', 'b', 'c'], dtype=object) This accesses how the data is already stored, so there's no need for a...
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How can I find the number of arguments of a Python function?

...eters. params = sig.parameters print(params['kwarg1']) # prints: kwarg1=20 Additionally, you can call len on sig.parameters to also see the number of arguments this function requires: print(len(params)) # 3 Each entry in the params mapping is actually a Parameter object that has further att...
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R cannot be resolved - Android error

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Closing multiple issues in Github with a commit message

... 162 Closes #1, closes #2, closes #3; rest of commit message. The closes clauses can be anywhere in ...
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What is the difference between `sorted(list)` vs `list.sort()`?

... 329 sorted() returns a new sorted list, leaving the original list unaffected. list.sort() sorts the...
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Override back button to act like home button

...apture the Back button press and call moveTaskToBack(true) as follows: // 2.0 and above @Override public void onBackPressed() { moveTaskToBack(true); } // Before 2.0 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { moveTaskTo...