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Progress indicator during pandas operations
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302
Due to popular demand, tqdm has added support for pandas. Unlike the other answers, this will n...
How is this fibonacci-function memoized?
... and kept ready in case it is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
That is what that trick, "going-through-a-list", is exploiting. In normal do...
How to Pass Parameters to Activator.CreateInstance()
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answered Mar 16 '10 at 0:08
SLaksSLaks
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How can you encode a string to Base64 in JavaScript?
... character represents an 8-bit byte – that is, its value will be between 0 and 0xff. This does not mean it’s ASCII – presumably if you’re using this function at all, you expect to be working with binary data and not text.
See also:
How do I load binary image data using Javascript and XML...
Javascript split regex question
...any character (dots are wildcard characters in regular expressions). With "02-25-2010", it would split each time "-2" is encountered, because the dash matches and the dot matches "2".
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swap fragment in an activity via animation
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Here is an example of the slide_in_left animation:
<?xml version="1.0" encoding="utf-8"?>
<set>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
android:fromXDelta="-100%"
android:toXDelta="0"
android:interpolator="@android:anim/decelerate_interpola...
Order by multiple columns with Doctrine
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answered Jul 20 '12 at 8:11
Diego AgullóDiego Agulló
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How to sort a list of lists by a specific index of the inner list?
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10 Answers
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How to change letter spacing in a Textview?
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edited Sep 19 '17 at 0:19
Joaquin Iurchuk
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an...
PHP substring extraction. Get the string before the first '/' or the whole string
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Use explode()
$arr = explode("/", $string, 2);
$first = $arr[0];
In this case, I'm using the limit parameter to explode so that php won't scan the string any more than what's needed.
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