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How to add an extra column to a NumPy array
...)
b = np.zeros((N,N+1))
b[:,:-1] = a
And timings:
In [23]: N = 10
In [24]: a = np.random.rand(N,N)
In [25]: %timeit b = np.hstack((a,np.zeros((a.shape[0],1))))
10000 loops, best of 3: 19.6 us per loop
In [27]: %timeit b = np.zeros((a.shape[0],a.shape[1]+1)); b[:,:-1] = a
100000 loops, best of ...
How to put spacing between TBODY elements
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edited Nov 17 '08 at 4:58
answered Nov 17 '08 at 4:31
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How can I make XSLT work in chrome?
...m.
The real reason it doesn't work is due to security concerns (cf. issue 4197, issue 111905).
Imagine this scenario:
You receive an email message from an attacker containing a web page as an attachment, which you download.
You open the now-local web page in your browser.
The local web page crea...
How can I check if a value is a json object?
...ar ElShourbagy
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answered Nov 28 '10 at 6:20
Dr.MolleDr.Molle
112k1414 gold ...
How to trigger XDebug profiler for a command line PHP script?
... joujou
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iPhone Safari Web App opens links in new window
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answered May 24 '10 at 18:00
Pavel LinkeschPavel Linkesch
3,50633 gold badges1818 silver badges2323 bronze badges
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What is the difference between a strongly typed language and a statically typed language?
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edited Apr 25 at 14:49
answered Apr 23 '10 at 5:17
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What does this Google Play APK publish error message mean?
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304
This happened to me when I published two APKs (versions 3 and then 4) in a short space of time. ...
Bootstrap dropdown sub menu missing
... They will be removed with 3.0" - https://github.com/twbs/bootstrap/pull/6342
But, with a little extra CSS you can get the same functionality.
Bootstrap 4 (navbar submenu on hover)
.navbar-nav li:hover > ul.dropdown-menu {
display: block;
}
.dropdown-submenu {
position:relative;
}
.dr...
ant warning: “'includeantruntime' was not set”
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edited Jan 27 '14 at 6:51
answered Feb 24 '11 at 10:34
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