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Simplest way to detect a mobile device in PHP
What is the simplest way to tell if a user is using a mobile device to browse my site using PHP?
15 Answers
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Difference between natural join and inner join
What is the difference between a natural join and an inner join?
11 Answers
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How does the MapReduce sort algorithm work?
One of the main examples that is used in demonstrating the power of MapReduce is the Terasort benchmark . I'm having trouble understanding the basics of the sorting algorithm used in the MapReduce environment.
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How to know if user is logged in with passport.js?
I've been reading passport.js info and samples for two days, but I'm not sure after that I did all the process of authenticating.
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What's the difference between detaching a Fragment and removing it?
In the Android docs for a FragmentTransaction I noticed two very similar methods: detach and remove . The descriptions over there don't seem to provide much insight about when to use each, and from what I can tell they appear to be the same.
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“From View Controller” disappears using UIViewControllerContextTransitioning
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I was having the same problem here – looks like a bug in iOS 8. I've filed a radar.
I used Reveal to inspect the view hierarchy after the screen goes black. The key UIWindow is completely empty – no view hierarchy at all!
I p...
How do Third-Party “tracking cookies” work?
I have read this question here:
How Do Internet Advertisers Use Third-Party Cookies?
on how third-party tracking cookies work, but am still very confused.
I don't understand how if I visit Website A (a normal website with ads) how Website B (an advertising website) can assign my computer an ID, a...
How to commit changes to a new branch
...heckout your new branch. Then add all the files you want to commit to staging.
Lastly, commit all the files you just added. You might want to do a git push origin your-new-branch afterward so your changes show up on the remote.
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Logical operator in a handlebars.js {{#if}} conditional
Is there a way in handlebars JS to incorporate logical operators into the standard handlebars.js conditional operator? Something like this:
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How to update a pull request from forked repo?
...date. The process is:
Open pull request
Commit changes based on feedback in your local repo
Push to the relevant branch of your fork
The pull request will automatically add the new commits at the bottom of the pull request discussion (ie, it's already there, scroll down!)
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