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Check if a variable is a string in JavaScript
...[object ' + name + ']';
};
});
That will define isString, isNumber, etc.
In Node.js, this can be implemented as a module:
module.exports = [
'Arguments',
'Function',
'String',
'Number',
'Date',
'RegExp'
].reduce( (obj, name) => {
obj[ 'is' + name ] = x => toString....
iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?
...tually pressing the Home and End keys, and as such will work in bash, vim, etc.
– Timothy Zorn
Feb 3 '17 at 8:38
...
What is the use of a private static variable in Java?
...static void main(String[] args) {
Connection conn = DriverManager.getConnection(JDBC_URL,
JDBC_USERNAME, JDBC_PASSWORD);
// ...
}
}
Whether you make it public or private depends on whether you want the variables to be visible outside th...
Can I make git recognize a UTF-16 file as text?
...er @OK comment, the "set" is irrelevant here, just *.vmc diff , *.sql diff etc.. is needed to set the 'diff' attribute for the path specified. (I can't edit the answer). 2 caveats however : diffs are shown with a space between each character, and not possible to "stage hunk" or "discard hunk" for t...
What is a regular expression which will match a valid domain name without a subdomain?
...omething that you're libel to run into unless using it for internal sites, etc... A quick attempt to allow it to support more subdomains: /^((?!-))(xn--)?[a-z0-9][a-z0-9-_]{0,61}[a-z0-9]{0,}\.?((xn--)?([a-z0-9\-.]{1,61}|[a-z0-9-]{1,30})\.?[a-z]{2,})$/i
– stakolee
...
Hidden Features of Xcode
...ode
This trick works in all Cocoa application on the Mac (TextEdit, Mail, etc.) and is possibly one of the most useful things to know.
Command ⌘ Left Arrow or Command ⌘ Right Arrow Takes you to the beginning and end of a line.
Control ^ a and Control ^ e Do the same thing
Control ^ n...
How do I call Objective-C code from Swift?
...yntax (in the case of this example, and you can call Mixpanel SDK methods, etc.). You need to familiarize yourself with how Xcode translates Objective-C to Swift. Apple's guide is a quick read. Or see this answer for an incomplete summary.
Example for Mixpanel:
func application(application: UIApp...
What does [:] mean?
... be of value to raise dead questions. Different insight, different wording etc. In this case you corrected the answer and they hopefully learnt something too.
– Pryftan
Apr 19 at 15:17
...
How do I break out of a loop in Scala?
...ic Scala. However, the logic remains the same. (return becomes return x, etc.).
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std::back_inserter for a std::set?
...want to preserve the original values, do you want to minimize allocations, etc. For the simplest case the best answer in my opinion is to use the constructor the container that takes two iterators (most containers can take that). NewContaner new_container(old_other_container.begin(), old_other_conta...