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Remove everything after a certain character

... var s = '/Controller/Action?id=11112&value=4444'; s = s.substring(0, s.indexOf('?')); document.write(s); Sample here I should also mention that native string functions are much faster than regular expressions, which should only really be used when necessary (this isn't one of thos...
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File system that uses tags rather than folders?

...or files which are tagged with other tags as well as these two tags, their extra tags can appear as directories inside /etc/init.d. If there is a file a.txt with three tags i.e 'etc', 'init.d' & 'asdf' then 'asdf' will appear as directory inside /etc/init.d and full path of a.txt will become /et...
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Difference between git checkout --track origin/branch and git checkout -b branch origin/branch

... @VonC I been looking for that little detail you happened to mention as extra information. In my case, I was curious why I had some my branches allow me to git pull, whereas some branches would ask for a remote branch to pull from. It turns out that if you, in your first-time, are checking out a ...
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How to link to apps on the app store

...n' s openURL: method to open your item in the App Store. Sample code: NSString *iTunesLink = @"itms://itunes.apple.com/app/apple-store/id375380948?mt=8"; [[UIApplication sharedApplication] openURL:[NSURL URLWithString:iTunesLink]]; Swift 4.2 let urlStr = "itms-apps://itunes.apple.com/app/ap...
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apache redirect from non www to www

...al host server, say example.com, I have Redirect 301 / http://example2.com/extra/ but when it redirects, it misses the trailing slash, meaning that example.com/blah goes to example2.com/extrablah. Any ideas? (Apache 2.2.22) – Peter Howe Jan 8 '14 at 16:45 ...
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Cleanest way to build an SQL string in Java

I want to build an SQL string to do database manipulation (updates, deletes, inserts, selects, that sort of thing) - instead of the awful string concat method using millions of "+"'s and quotes which is unreadable at best - there must be a better way. ...
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Creation timestamp and last update timestamp with Hibernate and MySQL

...ate LocalDateTime createdOn; @Column(name = "created_by") private String createdBy; @Column(name = "updated_on") @UpdateTimestamp private LocalDateTime updatedOn; @Column(name = "updated_by") private String updatedBy; //Getters and setters omitted for brevity } ...
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Get a random item from a JavaScript array [duplicate]

...n) given a number, or given anything else, a guaranteed random value! For extra fun, the array return is generated by calling the function recursively based on the array's length :) Working demo at http://jsfiddle.net/2eyQX/ ...
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Python Empty Generator Function

...ike this solution because it's (relatively) concise, and it doesn't do any extra work like comparing to False. – Pi Marillion Jan 24 '16 at 2:27 ...
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Finding the direction of scrolling in a UIScrollView?

... No need to add an extra variable to keep track of this. Just use the UIScrollView's panGestureRecognizer property like this. Unfortunately, this works only if the velocity isn't 0: CGFloat yVelocity = [scrollView.panGestureRecognizer velocity...