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Max length for client ip address [duplicate]
...esses are 128 bits (as opposed to 32 bits of IPv4 addresses). They are usually written as 8 groups of 4 hex digits separated by colons: 2001:0db8:85a3:0000:0000:8a2e:0370:7334. 39 characters is appropriate to store IPv6 addresses in this format.
Edit: However, there is a caveat, see @Deepak's ans...
How do I use $rootScope in Angular to store variables?
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Plus 1 for ... uh ... actually answering OP's question. (Although @MBielski and others are right).
– Rap
Aug 30 '15 at 19:37
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When do I use fabs and when is it sufficient to use std::abs?
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In C++, it's always sufficient to use std::abs; it's overloaded for all the numerical types.
In C, abs only works on integers, and you need fabs for floating point values. These are available in C++ (along with all of the C library), but there's no need to use them.
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What does “Could not find or load main class” mean?
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The java <class-name> command syntax
First of all, you need to understand the correct way to launch a program using the java (or javaw) command.
The normal syntax1 is this:
java [ <options> ] <class-name> [<arg> ...]
where <option> is a co...
Merge / convert multiple PDF files into one PDF
...sidering that pdfunite is part of poppler it has a higher chance to be installed, usage is also simpler than pdftk:
pdfunite in-1.pdf in-2.pdf in-n.pdf out.pdf
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Error handling in Bash
...kens code's predictability and portability).
You can either let the trap call error for you (in which case it uses the default exit code of 1 and no message) or call it yourself and provide explicit values; for instance:
error ${LINENO} "the foobar failed" 2
will exit with status 2, and give an ...
What's the UIScrollView contentInset property for?
... answered Dec 31 '09 at 1:21
jballjball
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How to execute a JavaScript function when I have its name as a string
...cript as a string. How do I convert that into a function pointer so I can call it later?
34 Answers
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'Incomplete final line' warning when trying to read a .csv file into R
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Are you really sure that you selected the .csv file and not the .xls file? I can only reproduce the error if I try to read in an .xls file. If I try to read in a .csv file or any other text file, it's impossible to recreate the error y...
How to trim a file extension from a String in JavaScript?
...and x.slice(0, -4) looks great! Thanks! And thank you to everyone else for all the other robust alternatives provided!
– ma11hew28
Nov 23 '10 at 6:12
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