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JavaScript equivalent of PHP's in_array()
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There is now Array.prototype.includes:
The includes() method determines whether an array includes a certain
element, returning true or false as appropriate.
var a = [1, 2, 3];
a.includes(2); // true
a.includes(4); // false
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How do I measure separate CPU core usage for a process?
... following...
1) Rename the binary
ln -s /usr/bin/top top2
./top2
Now .top2rc is going to be written to your $HOME
2) Set $HOME to some alternative path, since it will write its config file to the $HOME/.binary-name.rc file
HOME=./
top
Now .toprc is going to be written to the current fo...
How do JavaScript closures work?
How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
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Templated check for the existence of a class member function?
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return 0;
}
I've just tested it with Linux and gcc 4.1/4.3. I don't know if it's portable to other platforms running different compilers.
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Adding dictionaries together, Python [duplicate]
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@dimo414 Yes, my bad. I can't change it now however. I use ChainMap from collections to achieve this functionality now via dict(ChainMap(dic1, dic0)). However I have had to grab the source code from the chainmap pypi package for Python2.7. Notice how I switched the...
Configure apache to listen on port other than 80
...-default.conf
And change the first line as
<VirtualHost *: 8079>
Now restart
sudo service apache2 restart
Apache will now listen on port 8079 and redirect to /var/www/html
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SQL NVARCHAR and VARCHAR Limits
...criteria the string containing the dynamic SQL is growing over 4000 chars. Now, I understand that there is a 4000 max set for NVARCHAR(MAX) , but looking at the executed SQL in Server Profiler for the statement
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What do people think of the fossil DVCS? [closed]
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After having used Fossil for more than a year now on non-trivial development projects, I feel confident enough to wage in on this topic.
Below's my experience so far. I'm comparing against git and svn at times, simply because I know those SCM's very well and comparing m...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
...e fixed version below. Aliceljm does not active her copied code anymore
Now, Fixed version unminified, and ES6'ed: (by community)
function formatBytes(bytes, decimals = 2) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const dm = decimals < 0 ? 0 : decimals;
const sizes...
Differences between unique_ptr and shared_ptr [duplicate]
... Okay
unique_ptr<T> myOtherPtr = std::move(myPtr); // Okay, resource now stored in myOtherPtr
Similarly, you can do something like this:
unique_ptr<T> MyFunction() {
unique_ptr<T> myPtr(/* ... */);
/* ... */
return myPtr;
}
This idiom means "I'm returning a manag...