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How to flatten only some dimensions of a numpy array
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Take a look at numpy.reshape .
>>> arr = numpy.zeros((50,100,25))
>>> arr.shape
# (50, 100, 25)
>>> new_arr = arr.reshape(5000,25)
>>> new_arr.shape
# (5000, 25)
# One shape dimension can be -1.
# In this case, the value is inferred from
# the le...
Pragma in define macro
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If you're using c99 or c++0x there is the pragma operator, used as
_Pragma("argument")
which is equivalent to
#pragma argument
except it can be used in macros (see section 6.10.9 of the c99 standard, or 16.9 of the c++0x final committee draft)
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RegEx backreferences in IntelliJ
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edited Jun 29 '16 at 7:02
bradley.ayers
32.2k1313 gold badges8383 silver badges9292 bronze badges
ans...
How to use ? : if statements with Razor and inline code blocks
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301
This should work:
<span class="vote-up@(puzzle.UserVote == VoteType.Up ? "-selected" : "")"...
Does svn have a `revert-all` command?
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307
You could do:
svn revert -R .
This will not delete any new file not under version control. B...
How to create loading dialogs in Android?
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edited Mar 26 '10 at 18:30
answered Mar 26 '10 at 18:22
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Gson ignoring map entries with value=null
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301
See Gson User Guide - Null Object Support:
The default behaviour that is implemented in Gso...
Where does Git store the SHA1 of the commit for a submodule?
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170
It is stored in Git's object database directly. The tree object for the directory where the sub...
Django - Difference between import django.conf.settings and import settings
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answered Jan 8 '12 at 20:16
user237076user237076
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How can I declare optional function parameters in Javascript? [duplicate]
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With ES6: This is now part of the language:
function myFunc(a, b = 0) {
// function body
}
Please keep in mind that ES6 checks the values against undefined and not against truthy-ness (so only real undefined values get the default value - falsy values like null will not default).
Wit...