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How do you load custom UITableViewCells from Xib files?

... Here are two methods which the original author states was recommended by an IB engineer. See the actual post for more details. I prefer method #2 as it seems simpler. Method #1: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { UITa...
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Artificially create a connection timeout error

...meout. These errors are very rare (usually when my connection gets dropped by our internal network). How can I generate this kind of effect artificially so I can test our software? ...
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What's default HTML/CSS link color?

...on of IE. If you are looking for a standardized color scheme that is used by all browsers rather than suggested by HTML5, then there isn't one. Neither is there a way to revert to a browser's default value for a particular property on a particular element using pure CSS. You will have to either use...
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What are the differences between -std=c++11 and -std=gnu++11?

...s because I don't recommend doing anything that isn't specifically defined by the Standard... but even then, "violates" is a strange and loaded term, when a lot of these extensions are, to use Standardese, just implementation-defining or specifying things that the Standard is silent on - or perhaps ...
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Key existence check in HashMap

... You won't gain anything by checking that the key exists. This is the code of HashMap: @Override public boolean containsKey(Object key) { Entry<K, V> m = getEntry(key); return m != null; } @Override public V get(Object key) { Entr...
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Ruby, !! operator (a/k/a the double-bang) [duplicate]

... In most programming languages, including Ruby, ! will return the opposite of the boolean value of the operand. So when you chain two exclamation marks together, it converts the value to a boolean. ...
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RSpec controller testing - blank response.body

... By default, rspec-rails hacks into Rails to prevent it from actually rendering view templates. You should only test the behavior of your actions & filters your controller tests, not the outcome of template rendering — t...
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Default initialization of std::array?

... By definition, default initialization is the initialization that occurs when no other initialization is specified; the C++ language guarantees you that any object for which you do not provide an explicit initializer will be d...
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Using DISTINCT and COUNT together in a MySQL Query

... Select count(*), productid from products where keyword = '$keyword' group by productid that will give you a list like count(*) productid ---------------------- 5 12345 3 93884 9 93493 This allows you to see how many of each distinct productid ID...
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Bad class file magic or version

...ava module apply plugin: 'java' Solution #1: Quick an dirty I fixed it by setting my JAVA_HOME back to 1.7: export JAVA_HOME=`/usr/libexec/java_home -v 1.7` Solution #2: change compiler version: change back to 1.7 for this specific module in its build.gradle apply plugin: 'java' sourceCompa...