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How do I split a string into an array of characters? [duplicate]
...here possible:
Using the spread operator:
let arr = [...str];
Or Array.from
let arr = Array.from(str);
Or split with the new u RegExp flag:
let arr = str.split(/(?!$)/u);
Examples:
[...'????????????'] // —> ["????", "????", "????"]
[...'????????????'] // —> ["????", "...
How to get a list of repositories apt-get is checking? [closed]
...:
apt-add-repository << current.repos.list
Regarding getting repo from a package (installed or available), this will do the trick
apt-cache policy package_name |grep -m1 http| awk '{ print $2 " " $3 }'
However, that will show you the repository of the latest version available of that pac...
Is there a better way to find out if a local git branch exists?
...want, but I'd like to provide a updated answer since the original post was from 2011.
git rev-parse --verify <branch_name>
This is essentially the same as the accepted answer, but you don't need type in "refs/heads/"
...
How do I find the stack trace in Visual Studio?
...ing the Call Stack Window
To open the Call Stack window in Visual Studio, from the Debug menu, choose Windows>Call Stack. To set the local context to a particular row in the stack trace display, double click the first column of the row.
http://msdn.microsoft.com/en-us/library/windows/hardware/h...
log4net not working
...onfigurator] method doesn't work with app.config. If you configure log4net from app.config, you must use the log4net.Config.XmlConfigurator.Configure() method.
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Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...dit config files, and have to remember to keep edited files local and away from servers where the paths are correct, simply create a symbolic link so your Mac finds the required socket, even when it's looking in the wrong place!
If you have /tmp/mysql.sock but no /var/mysql/mysql.sock then...
cd /...
How to publish a website made by Node.js to Github Pages?
....It contains pure html files.So everything you see on the link is actually from the gh-pages branch.
– Akshat Jiwan Sharma
Apr 17 '13 at 18:26
...
How to declare a type as nullable in TypeScript?
...lue null or undefined.
You can make the field optional which is different from nullable.
interface Employee1 {
name: string;
salary: number;
}
var a: Employee1 = { name: 'Bob', salary: 40000 }; // OK
var b: Employee1 = { name: 'Bob' }; // Not OK, you must have 'salary'
var c: Employee1 = ...
How to perform element-wise multiplication of two lists?
...
For the benefit of others arriving here from a google search I have included a timeit comparison below.
– paddyg
Nov 8 '16 at 11:10
add a co...
Responsive css background images
...based on a browser window size. (2) Elements like div get their own height from their own content, or take available space in a flexbox model. Saying that without explicit width/height the container won't show at all is incorrect. Obviously, if you want to display an empty div with a background imag...