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How to lazy load images in ListView in Android

...GE"/> Please create only one instance of ImageLoader and reuse it all around your application. This way image caching will be much more efficient. It may be helpful to somebody. It downloads images in the background thread. Images are being cached on an SD card and in memory. The cache ...
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Understanding NSRunLoop

... run loop directly, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing. A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to proce...
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ImportError: No module named pip

... After installing ez_setup, you should have easy_install available. To install pip just do: easy_install pip share | improve this answer ...
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How to write :hover condition for a:before and a:after?

... This depends on what you're actually trying to do. If you simply wish to apply styles to a :before pseudo-element when the a element matches a pseudo-class, you need to write a:hover:before or a:visited:before instead. Notice the pseudo-element comes after ...
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How do I install Maven with Yum?

...b/apache/maven/maven-3/3.0.5/binaries/apache-maven-3.0.5-bin.tar.gz basically just go to the maven site. Find the version of maven you want. The file type and use the mirror for the wget statement above. Afterwards the process is easy Run the wget command from the dir you want to extract maven ...
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get UTC time in PHP

...i: a Unix timestamp is by definition always UTC. en.wikipedia.org/wiki/Unix_time – nikc.org Jul 20 '15 at 8:20 1 ...
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Are global variables in PHP considered bad practice? If so, why?

In my small PHP projects I usually go the procedural way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; . ...
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get dictionary value by key

... It's as simple as this: String xmlfile = Data_Array["XML_File"]; Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this: string xmlfile; if (!Data_Array.T...
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UICollectionView inside a UITableViewCell — dynamic height?

...mic number of items, resulting in a height which must be calculated dynamically as well. However, I am running into problems trying to calculate the height of the embedded UICollectionView . ...
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Change Oracle port from port 8080

... Production on Tue Aug 26 10:40:44 2008 Copyright (c) 1982, 2005, Oracle. All rights reserved. SQL> connect Enter user-name: system Enter password: <enter password if will not be visible> Connected. SQL> Exec DBMS_XDB.SETHTTPPORT(3010); [Assuming you want to have HTTP going to this po...