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When to use CouchDB over MongoDB and vice versa
... scenarios for each NoSQL database compared. Quoting the link,
MongoDB: If you need dynamic queries. If you prefer to define indexes, not map/reduce functions. If you need good performance on a big DB. If you wanted CouchDB, but your data changes too much, filling up disks.
CouchDB : For accumula...
What is the difference between localStorage, sessionStorage, session and cookies?
...tual to the situation.
In all cases, these storage mechanisms will be specific to an individual browser on an individual computer/device. Any requirement to store data on an ongoing basis across sessions will need to involve your application server side - most likely using a database, but possibly ...
What's the best way to detect a 'touch screen' device using JavaScript?
...uery plug-in that's for use on both desktop and mobile devices. I wondered if there is a way with JavaScript to detect if the device has touch screen capability. I'm using jquery-mobile.js to detect the touch screen events and it works on iOS, Android etc., but I'd also like to write conditional sta...
Send POST request using NSURLSession
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@sendoa , if you know how to how to upload a image along with thr "plain" data? i need the solution urgent. many thanks in advance
– Gagan Joshi
Jul 24 '14 at 12:27
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Combining two lists and removing duplicates, without removing duplicates in original list
...n_second_but_not_in_first)
print(result) # Prints [1, 2, 2, 5, 9, 7]
Or if you prefer one-liners 8-)
print(first_list + list(set(second_list) - set(first_list)))
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Bash tool to get nth line from a file
...en using head -n | tail -1 which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
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How do I format a Microsoft JSON date?
...: Both methods (the replace function and this answer) would have to change if MS changes the format.
– Roy Tinker
Aug 25 '10 at 16:11
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How to change the remote a branch is tracking?
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If the remote tracking branch does not yet exists but an existing remote tracking branch is currently tracked, it can not be changed to the in-existent new remote tracking branch. You need to unset the current remote tracking...
Does BroadcastReceiver.onReceive always run in the UI thread?
... Context.registerReceiver . I also have an AsyncTask that dispatches notifier-Intents via Context.sendBroadcast . The intents are sent from a non-UI worker thread, but it seems that BroadcastReceiver.onReceive (which receives said Intents) always runs in the UI thread (which is good for me). I...
What happens with constraints when a view is removed
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The constraints are removed. If you add A again, you will have to make new constraints for it, or if you save the constraints before you remove A, you can add them back. When I do something like this, I save the constraints like this for a view called vi...