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Java: parse int value from a char
...y simply subtracting by char '0'(zero) a char (of digit '0' to '9') can be converted into int(0 to 9), e.g., '5'-'0' gives int 5.
String str = "123";
int a=str.charAt(1)-'0';
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MySQL load NULL values from CSV data
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I have a csv file that contains zeros 0 that should be converted to NULL (because it is not possible to have zero value for the data in question) and also empty strings. How to make sure that both zeros and empty strings are converted to NULL?
– Paul Rougieu...
Deleting lines from one file which are in another file
...ay files that aren't too huge? The fear here is (I assume) awk running the system out of system memory to create the hash, or is there some other limitation?
– rogerdpack
Oct 16 '15 at 16:58
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Round a Floating Point Number Down to the Nearest Integer?
... I don't see what's wrong with int(). The value is already 2.0 and it will convert it happily into 2.
– blubberdiblub
Sep 6 '15 at 3:33
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How to get the Power of some Integer in Swift language?
... This is a completely valid answer. There are some instances where converting Ints to Doubles loses precision, and so that is not a viable solution for Int pow. Just try running Double(Int.max - 1) < Double(Int.max) in a Swift 3 REPL and you may be surprised.
– mklbt...
Converting string to byte array in C#
I'm converting something from VB into C#. Having a problem with the syntax of this statement:
16 Answers
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Parse config files, environment, and command-line arguments, to get a single collection of options
...on files is modifiable by making a subclass of ArgumentParser and adding a convert_arg_line_to_args method.
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How can I find the latitude and longitude from address?
...Address is a string containing the address. The address variable holds the converted addresses.
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Convert NSData to String?
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Because the people that are here are converting a data response from a server to a string.
– Necro
Nov 21 '13 at 4:58
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How to execute XPath one-liners from shell?
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One package that is very likely to be installed on a system already is python-lxml. If so, this is possible without installing any extra package:
python -c "from lxml.etree import parse; from sys import stdin; print '\n'.join(parse(stdin).xpath('//element/@attribute'))"
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