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cmake and libpthread
...KE_HAVE_THREADS_LIBRARY), e.g. on Ubuntu 15.04 :(
– mlt
Jun 8 '15 at 21:58
1
The version given fo...
Java 7 language features with Android
...le at the 2nd pane) → Language level → (choose "7.0 - Diamonds, ARM, multi-catch, etc.")
This only allows Java 7 language features, and you can hardly benefit from anything since a half of improvement also comes from the library. Features you could use are those which do not depend on the li...
What is the difference between atan and atan2 in C++?
... cos and tan have the following relationship (where we neglect the exact multiples of π/2):
Quadrant Angle sin cos tan
-------------------------------------------------
I 0 < α < π/2 + + +
II π/2 < α < π + - ...
Access to the path is denied
...ion pool for the website what is the identity it is running under (by default this is Application Pool Identity) and grant that the correct permissions.
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How do I read CSV data into a record array in NumPy?
...ecord array:
array([(1.0, 2.0, 3), (4.0, 5.5, 6)],
dtype=[('f0', '<f8'), ('f1', '<f8'), ('f2', '<i4')])
This has the advantage that file with multiple data types (including strings) can be easily imported.
...
sed: print only matching group
...entire line to be replaced with the contents of the group
echo "foo bar <foo> bla 1 2 3.4" |
sed -n 's/.*\([0-9][0-9]*[\ \t][0-9.]*[ \t]*$\)/\1/p'
2 3.4
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Get the first item from an iterable that matches a condition
...e first item from a list matching a condition. It's important that the resulting method not process the entire list, which could be quite large. For example, the following function is adequate:
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SSH configuration: override the default username [closed]
...larations should be given near the beginning of the file, and general defaults at the end. So the Host * section should probably go at the end.
– quodlibetor
Sep 23 '13 at 14:27
9
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Seeking clarification on apparent contradictions regarding weakly typed languages
...mbers (1 . 2 == 12). Similarly, the numeric comparison operators ==, !=, <, >, <=, >= and <=> compare the numeric values of their arguments, while the string comparison operators eq, ne, lt, gt, le, ge and cmp compare them lexicographically as strings. So 2 < 10, but 2 gt 10 (...
sqlalchemy IS NOT NULL select
How can I add the filter as in SQL to select values that are NOT NULL from a certain column ?
3 Answers
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