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Python division
...2.7 and Python 3.3.
In Python 2.7 and Python 3.3:
>>>20//15
1
Now, see the comparison
>>>a = 7.0/4.0
>>>b = 7/4
>>>print a == b
For the above program, the output will be False in Python 2.7 and True in Python 3.3.
In Python 2.7 a = 1.75 and b = 1.
In Pyth...
convert string array to string
...pty, test) rather than using an empty-paranthesis.
– now he who must not be named.
Nov 11 '13 at 4:47
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How to retrieve the first word of the output of a command in bash?
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$ string="word1 word2"
$ set -- $string
$ echo $1
word1
$ echo $2
word2
now you can assign $1, or $2 etc to another variable if you like.
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How do I check if string contains substring? [duplicate]
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Good to know alternatives but using indexOf is faster. stackoverflow.com/questions/354110/…
– Blowsie
Feb 2 '12 at 15:55
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Programmatically set left drawable in a TextView
...elativeWithIntrinsicBounds to respect RTL/LTR layouts.
Tip: Whenever you know any XML attribute but don't have clue about how to use it at runtime. just go to the description of that property in developer doc. There you will find Related Methods if it's supported at runtime . i.e. For DrawableLeft
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.NET / C# - Convert char[] to string
...r just above is my 2nd high-est voted answer on the site. In fact I'm here now because someone just voted it again, almost 10 years later. And the two answers aren't really any different... but mine was posted 17 seconds faster, and that's meant a 500 vote difference :/
– Joel ...
How can I use “:” as an AWK field separator?
...e "-F" switch under the command line or within two brackets with "FS=...".
Now consider the answer of Jürgen:
echo "1: " | awk -F ":" '/1/ {print $1}'
Above the field, boundaries are set by ":" so we have two fields $1 which is "1" and $2 which is the empty space. After comes the regular expressi...
Is it possible to create a File object from InputStream
...tly the OutputStream, use a try with resources or IOUtils.closeQuietly. I know its just an example but beginners will copy it literally.
– Rafael Membrives
Aug 30 '17 at 7:35
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Sequence contains no elements?
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So now we know that each up vote weighs (at the moment) 31.25 pounds.
– B. Clay Shannon
Mar 13 '14 at 21:54
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Why is `[` better than `subset`?
...eval(expr, envir, enclos) : object 'cyl' not found
because R no longer "knows" where to find the object called 'cyl'. He also points out the truly bizarre stuff that can happen if by chance there is an object called 'cyl' in the global environment:
cyl <- 4
subscramble(mtcars, cyl == 4)
cyl &...