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Twitter's typeahead.js suggestions are not styled (have no border, transparent background, etc.)
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For some reason my suggested edit got rejected, but note that the tt-is-under-cursor class seems to have been renamed to tt-cursor. Documentation here.
– Joe Freeman
May 20 '14 at 14:17
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Convert pandas dataframe to NumPy array
...usage of values and as_matrix().
pandas v0.24.0 introduced two new methods for obtaining NumPy arrays from pandas objects:
to_numpy(), which is defined on Index, Series, and DataFrame objects, and
array, which is defined on Index and Series objects only.
If you visit the v0.24 docs for .values, yo...
Mysql adding user for remote access
...rivate instance port> in my php.ini, and then used 127.0.0.1 throughout for my db hostname
– spex
Sep 11 '13 at 18:41
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Getting the array length of a 2D array in Java
I need to get the length of a 2D array for both the row and column. I’ve successfully done this, using the following code:
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How do you know what to test when writing unit tests? [closed]
...g, remember this and it will help
stop you from giving up.
Start ready for a challenge. It is quite hard to start getting into
testing. Expect a challenge, but
remember – challenges can be overcome.
Only Test For What You Expect
I had real problems when I first
started becau...
How do you rotate a two dimensional array?
... RotateMatrix(int[,] matrix, int n) {
int[,] ret = new int[n, n];
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
ret[i, j] = matrix[n - j - 1, i];
}
}
return ret;
}
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Finding local IP addresses using Python's stdlib
...can I find local IP addresses (i.e. 192.168.x.x or 10.0.x.x) in Python platform independently and using only the standard library?
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Peak memory usage of a linux/unix process
...t the process via another program like Valgrind or time, so you can use it for any process that's already running:
grep VmPeak /proc/$PID/status
(replace $PID with the PID of the process you're interested in)
share
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How to remove gaps between subplots in matplotlib?
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You can use gridspec to control the spacing between axes. There's more information here.
import matplotlib.pyplot as plt
import matplotlib.gridspec as gridspec
plt.figure(figsize = (4,4))
gs1 = gridspec.GridSpec(4, 4)
gs1.update(wspace=0.025, hspace=0.05) # set the spacing between axes.
for i...
Fastest way to replace NAs in a large data.table
... gdata::NAToUnknown(dt, un)
f_dowle = function(dt) { # see EDIT later for more elegant solution
na.replace = function(v,value=0) { v[is.na(v)] = value; v }
for (i in names(dt))
eval(parse(text=paste("dt[,",i,":=na.replace(",i,")]")))
}
system.time(a_gdata = f_gdata(dt1))
user syst...