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How to get last items of a list in Python?
...at. Here's an example using the python CLI interpreter:
>>> a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a[-9:]
[4, 5, 6, 7, 8, 9, 10, 11, 12]
the important line is a[-9:]
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Regex to replace everything except numbers and a decimal point
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241
Use this:
document.getElementById(target).value = newVal.replace(/[^0-9.]/g, "");
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How to toggle a value in Python
What is the most efficient way to toggle between 0 and 1 ?
17 Answers
17
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Useful code which uses reduce()? [closed]
...n Scheme a lot...
Here's some cute usages:
Flatten a list
Goal: turn [[1, 2, 3], [4, 5], [6, 7, 8]] into [1, 2, 3, 4, 5, 6, 7, 8].
reduce(list.__add__, [[1, 2, 3], [4, 5], [6, 7, 8]], [])
List of digits to a number
Goal: turn [1, 2, 3, 4, 5, 6, 7, 8] into 12345678.
Ugly, slow way:
int("".j...
Haskell error parse error on input `='
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160
In GHCi 7.x or below, you need a let to define things in it.
Prelude> let f x = x * 2
Prel...
overlay two images in android to set an imageview
...mage, or you can configure a LayerDrawable dynamically in code.
Solution #1 (via XML):
Create a new Drawable XML file, let's call it layer.xml:
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/t" />
<item android:draw...
How to PUT a json object with an array using curl
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150
Your command line should have a -d/--data inserted before the string you want to send in the P...
TFS checkin error - could not find file
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edited Dec 17 '16 at 12:19
jessehouwing
83.1k1717 gold badges203203 silver badges278278 bronze badges
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Bash script processing limited number of commands in parallel
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Use the wait built-in:
process1 &
process2 &
process3 &
process4 &
wait
process5 &
process6 &
process7 &
process8 &
wait
For the above example, 4 processes process1 ... process4 would be started in the background, and the...
What is the equivalent of “android:fontFamily=”sans-serif-light" in Java code?
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171
It should be possible with setTypeface() and Typeface.create():
convertView.setTypeface(Typef...