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Replace multiple strings with multiple other strings
...j[matched];
});
jsfiddle example
Generalizing it
If you want to dynamically maintain the regex and just add future exchanges to the map, you can do this
new RegExp(Object.keys(mapObj).join("|"),"gi");
to generate the regex. So then it would look like this
var mapObj = {cat:"dog",dog:"goat"...
How to skip over an element in .map()?
...nce it has some cost, you can use the more general .reduce(). You can generally express .map() in terms of .reduce:
someArray.map(function(element) {
return transform(element);
});
can be written as
someArray.reduce(function(result, element) {
result.push(transform(element));
return result;
}...
How do you make a deep copy of an object?
... constructor takes an instance of 'this' as its single argument and copies all the values from it. Quite some work, but pretty straightforward and safe.
EDIT: note that you don't need to use accessor methods to read fields. You can access all fields directly because the source instance is always of...
Is it possible to have SSL certificate for IP address, not domain name?
...
I absolutely see your point with the cookies, you're totally right. But to switch to a SSL IP to save the few ms of DNS lookup sounds more hassle to me than it's worth. Plus, you may have issues taking your IP with you if you ever have to change your provider - it's probably not p...
Python 3 ImportError: No module named 'ConfigParser'
...s very buggy, it crashes at first execute call.
– if __name__ is None
Dec 30 '12 at 14:46
15
@Jan...
How to store arbitrary data for some HTML tags
...
Which version of HTML are you using?
In HTML 5, it is totally valid to have custom attributes prefixed with data-, e.g.
<div data-internalid="1337"></div>
In XHTML, this is not really valid. If you are in XHTML 1.1 mode, the browser will probably complain about it, b...
How to set selected item of Spinner by value, not by position?
... I know this is very old, but this now throws an unchecked call to getPosition(T)
– Brad Bass
Oct 2 '14 at 12:40
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How can I check if a string is null or empty in PowerShell?
...
Nice point. If clause internally converts everything inside the parenthesis to single boolean which means if($string){Things to do for non-empty-nor-null} or if(!$string){Things to do for empty-or-null} without explicit conversion [bool] would be enough...
How to trigger a build only if changes happen on particular set of files
...s, I have a repositorie with multiple modules (domain, common, api, desktop_app,...) I want trigger a build for desktop_app for example, I put on the "included regions" production_app/*, I tried several combinations like ./desktop_app even absolute path. AndI always got Ignored commit c6e2b1dca0d188...
Preview an image before it is uploaded
...file (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image.
...