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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
...lly) You don't need to be root to run this...
– confiq
Mar 31 '12 at 13:02
3
A bad bash one-liner...
Installing Apple's Network Link Conditioner Tool
... Xcode
Go to the below link
https://developer.apple.com/download/more/?q=Additional%20Tools
Install the dmg file, select hardware from installer
select Network Link conditioner prefpane
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Why should I use Google's CDN for jQuery?
...but I've been wondering: why should I depend on Google's server to host jQuery for my site?
7 Answers
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Illegal pattern character 'T' when parsing a date string to java.util.Date
...s as what the format represents.
But it was written before Java 8 was ubiquitous so it uses the old
classes that you should not be using if you are using Java 8 or
higher.
This works with the input with the trailing Z as demonstrated:
In the pattern the T is escaped with ' on either side...
Responsive website zoomed out to full width on mobile
...s suggested here http://webdesign.tutsplus.com/tutorials/htmlcss-tutorials/quick-tip-dont-forget-the-viewport-meta-tag/
<meta name="viewport" content="initial-scale=1">
would be an even better choice as it makes going from portrait to landscape and back a much more pleasant user experience ...
Detect if homebrew package is installed
... pkg in macvim ngrep other needed packages; do
if brew list -1 | grep -q "^${pkg}\$"; then
echo "Package '$pkg' is installed"
else
echo "Package '$pkg' is not installed"
fi
done
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What's better at freeing memory with PHP: unset() or $var = null
...ry be freed when the parent object is garbage-collected.) (bug 33595)
The question "difference between unset and = null" details some differences:
unset($a) also removes $a from the symbol table; for example:
$a = str_repeat('hello world ', 100);
unset($a);
var_dump($a);
Outputs:
Notice: Undef...
Immutability of Strings in Java
...ove code does if you change s1 = s1.replace('i', '!'); to s1 = s1.replace('Q', '!'); :)
1 Actually, it is possible to mutate strings (and other immutable objects). It requires reflection and is very, very dangerous and should never ever be used unless you're actually interested in destroying the pr...
What is the difference between memoization and dynamic programming?
...amic programming?
Memoization is a term describing an optimization technique where you cache previously computed results, and return the cached result when the same computation is needed again.
Dynamic programming is a technique for solving problems of recursive nature, iteratively and is appli...
How to make connection to Postgres via Node.js
...e, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be, or how am I able to find out what it is.
...