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Generate random string/characters in JavaScript
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@dan_waterworth, Actually, += is often faster for some reason, even used inside loops - jsperf.com/join-vs-concatenation
– Konrad Borowski
May 1 '13 at 12:29
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How do I tell if a regular file does not exist in Bash?
... The unary operator -z tests for a null string, while -n or no operator at all returns True if a string is not empty. ~ ibm.com/developerworks/library/l-bash-test/index.html
– BlueCacti
May 5 '14 at 11:06
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Laravel 4 Eloquent Query Using WHERE with OR AND OR?
How do I say WHERE (a = 1 OR b =1 ) AND (c = 1 OR d = 1)
11 Answers
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
...them other than that the first approach requires more typing and is potentially clearer.
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Local Storage vs Cookies
I want to reduce load times on my websites by moving all cookies into local storage since they seem to have the same functionality. Are there any pros/cons (especially performance-wise) in using local storage to replace cookie functionality except for the obvious compatibility issues?
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How line ending conversions work with git core.autocrlf between different operating systems
...rojects has been making my life miserable for a long time. The problems usually arise when there are already files with different and mixed EOLs already in the repo. This means that:
The repo may have different files with different EOLs
Some files in the repo may have mixed EOL, e.g. a combination...
How can I use a C++ library from node.js?
How can I use a C++ library from node.js?
8 Answers
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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
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These are usually to make sure that the browser gets a new version when the site gets updated with a new version, e.g. as part of our build process we'd have something like this:
/Resources/Combined.css?v=x.x.x.buildnumber
Since this c...
无社交不商业，Uber将边缘化BAT - 资讯 - 清泛网 - 专注C/C++及内核技术
...体。而社群的高级阶段，是人与人之间的自由联合。
C2B和B2C、罗辑思维、吴晓波书友会
过去的模式基本都是B2C或者，b2b2c，总之B总是排前面，商品在前，商家说了算。
有钱人去开设工厂，然后设置分销体系，有点品牌意...
Why is Lisp used for AI? [closed]
...rced most AI programmers to C++ for a few years. These days, prototypes usually are written in a younger dynamic language (Perl, Python, Ruby, etc) and implementations of successful research is usually in C or C++ (sometimes Java).
If you're curious about the 70's...well, I wasn't there. But I thin...