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Principles for Modeling CouchDB Documents

...ow you to request the post's unified output document this way: /db/_design/app/_list/posts/unified??start_key=["123412804910820"]&end_key=["123412804910820", {}, {}]&include_docs=true Your _list function (in this case named "unified") would take the results of the view map/reduce (in this ca...
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Catching java.lang.OutOfMemoryError?

...se resources and close down in a clean fashion. What's the worst that can happen? The JVM is dying (or already dead) anyway and by catching the Error there is at least a chance of cleanup. The caveat is that you have to target the catching of these types of errors only in places where cleanup is po...
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Generating a drop down list of timezones with PHP

... just can't figure out where I'm falling short. Any thoughts would be much appreciated! – DaveyJake May 3 '16 at 23:18 ...
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How to add a button to PreferenceScreen

... There is another solution for customizing the appearance of the preferences. Design a normal XML layout with buttons or whatever you want to add to the standard preferences. Include a ListView in your layout and give it the ID @android:id/list. Let's say we call the la...
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Why is vertical-align: middle not working on my span or div?

...other div element. However when I put vertical-align: middle , nothing happens. I've tried changing the display properties of both elements, and nothing seems to work. ...
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What is the difference between the | and || or operators?

... Yeah, I didn't believe it until I created a console app - but good lord! Why would they give you the rope to hang yourself! I hated that about VB.NET - the OrElse and AndAlso keywords! – Jarrod Dixon♦ Sep 6 '08 at 8:09 ...
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Is there a replacement for unistd.h for Windows (Visual C)?

...or Windows, they probably don't work for sockets. You need to look at your app and consider whether to call e.g. closesocket(). */ #ifdef _WIN64 #define ssize_t __int64 #else #define ssize_t long #endif #define STDIN_FILENO 0 #define STDOUT_FILENO 1 #define STDERR_FILENO 2 /* should be in some equ...
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How to make an Android Spinner with initial text “Select One”?

...ting code and it works fine with CursorLoaders also. (Swap cursor on the wrapped cursorAdapter of course...) There is an Android bug that makes this a little tougher to re-use views. (So you have to use the setTag or something else to ensure your convertView is correct.) Spinner does not support mu...
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How to disable scrolling in UITableView table when the content fits on the screen

I have a few (grouped style) tables in my iphone app (only on part of the screen and added with Interface Builder though, not subclassed from UITableViewController ) that 80% of the time are small and will fit on the screen. When the table fits on the screen, I'd like to disable scrolling, to ma...
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What's the difference between SoftReference and WeakReference in Java?

...mation" somewere, like cached reflection information about a class, or a wrapper for an object, etc. Anything that makes no sense to keep after the object it is associated with is GC-ed. When the weak reference gets cleared, it gets enqueued in a reference queue that your code polls somewhere, and i...