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Convert a 1D array to a 2D array in numpy
...esize function and mixing it with np.reshape, such as
>>> a =np.arange(9)
>>> np.resize(a, 10).reshape(5,2)
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Creating functions in a loop
...rguments are evaluated immediately when the function is defined:
for i in range(3):
def f(i=i): # <- right here is the important bit
return i
functions.append(f)
To give a little bit of insight into how/why this works: A function's default arguments are stored as an attribute...
jQuery event for images loaded
...perty for IMG element load states:
http://github.com/peol/jquery.imgloaded/raw/master/ahpi.imgload.js
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Date only from TextBoxFor()
...
Don't be afraid of using raw HTML.
<input type="text" value="<%= Html.Encode(Model.SomeDate.ToShortDateString()) %>" />
data.table vs dplyr: can one do something well the other can't or does poorly?
...t;, >= along with all other advantages of data.table joins.
Overlapping range joins was implemented in data.table recently. Check this post for an overview with benchmarks.
setorder() function in data.table that allows really fast reordering of data.tables by reference.
dplyr provides interface ...
How to revert a “git rm -r .”?
...essary). Just compile and run, then pass in your git repo local directory. raw.githubusercontent.com/bluuman/git-recover-files/master/…
– James Meas
Jun 20 '18 at 5:28
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How to add texture to fill colors in ggplot2
...s done for the horizontal lines but a new data frame is needed for each redraw where I have subtracted a value (in my example '5') from the value associated with the variable of interest. Effectively lowering the height of the bar. This is clunky to achieve and there may be more streamlined approach...
Math.random() versus Random.nextInt(int)
...ly distributed bits in its mantissa, so it is uniformly distributed in the range 0 to 1-(2^-53).
Random.nextInt(n) uses Random.next() less than twice on average- it uses it once, and if the value obtained is above the highest multiple of n below MAX_INT it tries again, otherwise is returns the ...
Linking to an external URL in Javadoc?
...tation does not mention this form, in it does not make a difference from a raw <a>.
– Didier L
May 29 '15 at 9:02
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Express.js req.body undefined
...tically add the 'Content-Type: application/json' header even if you select raw > json.
– Jordan
Sep 29 '13 at 8:20
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