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Regex to replace multiple spaces with a single space
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Given that you also want to cover tabs, newlines, etc, just replace \s\s+ with ' ':
string = string.replace(/\s\s+/g, ' ');
If you really want to cover only spaces (and thus not tabs, newlines, etc), do so:
string = string.replace(/ +/g, ' ');
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Uncaught ReferenceError: $ is not defined?
...somehow not loading my jquery files before calling the $(document).ready() etc. functions. However, they were all in the correct positions.
In my case, this was because I was accessing the content over a secure HTTPS connection, whereas the page was trying to download the CDN hosted data from googl...
Handlebars/Mustache - Is there a built in way to loop through the properties of an object?
...e object "top level" and another not? what are "pre-defined" keys exactly? etc), so you might want to revisit these concepts.
– Jon
Feb 11 '14 at 9:42
1
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What is RemoteSystemsTempFiles in Eclipse?
...o updates the Eclipse configuration files correctly (removing RSE features etc.)
– jansohn
Feb 23 '18 at 9:59
This is ...
Phone: numeric keyboard for text input
...int numbers”, so it isn’t suitable for credit card numbers, ZIP codes, etc.
14 Answers
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Node.js check if file exists
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A easier way to do this synchronously.
if (fs.existsSync('/etc/file')) {
console.log('Found file');
}
The API doc says how existsSync work:
Test whether or not the given path exists by checking with the file system.
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What is Ruby's double-colon `::`?
...nd one it is used to locate the class method (static) of the Routes class, etc, etc.
It is not used to expose anything, its used to "locate" stuff around your scopes.
http://en.wikipedia.org/wiki/Scope_resolution_operator
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How do I move forward and backward between commits in git?
...t forward in time. To go forward multiple commits, use HEAD@{2}, HEAD@{3}, etc.
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AngularJS ui-router login authentication
...they're logged in (if necessary; not necessary for signin, password reset, etc.), and then does a role check (if your app needs this). If they are not authenticated, send them to the sign-in page. If they are authenticated, but fail a role check, send them to an access denied page. I call this servi...
What is data oriented design?
...our data for efficient processing. Especially with respect to cache misses etc. Data Driven Design on the other hand is about letting data control a lot of your programs behavior (described very well by Andrew Keith's answer).
Say you have ball objects in your application with properties such as co...