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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)

...It's a FragmentPagerAdapter for non-support fragments. Android Studio Installation Please add follow Gradle dependencies dependencies { compile 'com.android.support:support-v13:+' } share | ...
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How to get datetime in JavaScript?

... Semantically, you're probably looking for the one-liner new Date().toLocaleString() which formats the date in the locale of the user. If you're really looking for a specific way to format dates, I recommend the moment.js library....
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How do I correctly clone a JavaScript object?

... if you know its name, but I don't know of any way to discover it automatically. Yet another snag in the quest for an elegant solution is the problem of setting up the prototype inheritance correctly. If your source object's prototype is Object, then simply creating a new general object with {} wil...
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Favorite (Clever) Defensive Programming Best Practices [closed]

...in favor of Test Driven Development. If you catch errors quickly and externally, you don't need to muddy-up your code with defensive maneuvers, your code is DRY-er and you wind-up with fewer errors that you have to defend against. As WikiKnowledge Wrote: Avoid Defensive Programming, Fail Fast ...
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Is explicitly closing files important?

In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this: ...
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Why does “_” (underscore) match “-” (hyphen)?

...you are in a pattern context. e.g. inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it strange though that you are not in a p...
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Is there a function to make a copy of a PHP array to another?

...ewLarsson raises a point in the comments below. PHP has a special feature called "references". They are somewhat similar to pointers in languages like C/C++, but not quite the same. If your array contains references, then while the array itself is passed by copy, the references will still resolve to...
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Database, Table and Column Naming Conventions? [closed]

... for Primary Key Columns, Hungarian-esque Constraint Prefixes and worst of all SPACES " " for multi-word table names. Additionally system tables for SQLServer use plurals so it seems AdventureWorks was the black sheep in this bunch. – Marcus Pope Mar 20 '12 at...
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What causes a TCP/IP reset (RST) flag to be sent?

...every possible perversion has been visited on TCP since its inception, and all sorts of people might be inserting RSTs in an attempt to block traffic. (Some 'national firewalls' work like this, for example.) share ...
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Test PHP headers with PHPUnit

...78 Error: Class 'PHPUnit_Util_Configuration' not found in - on line 378 Call Stack: 0.0013 582512 1. {main}() -:0 Try add this to your bootstrap file to fix it: <?php if (!defined('PHPUNIT_COMPOSER_INSTALL')) { define('PHPUNIT_COMPOSER_INSTALL', __DIR__ . '/path/to/composer/ven...