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Apache VirtualHost 403 Forbidden

...ache. You can see the enabling of the feature with the directive Require all denied This basically says to deny access to all users. To fix this problem, either remove the denied directive (or much better) add the following directive to the directories you want to grant access to: Require all ...
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Invoking a jQuery function after .each() has completed

In jQuery, is it possible to invoke a callback or trigger an event after an invocation of .each() (or any other type of iterative callback) has completed . ...
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What is the significance of load factor in HashMap?

...ble is created. The load factor is a measure of how full the hash table is allowed to get before its capacity is automatically increased. When the number of entries in the hash table exceeds the product of the load factor and the current capacity, the hash table is rehashed (that is, internal data s...
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Can you make just part of a regex case-insensitive?

...ase-insensitive by using the (?i:) pattern modifier. Modern regex flavors allow you to apply modifiers to only part of the regular expression. If you insert the modifier (?ism) in the middle of the regex, the modifier only applies to the part of the regex to the right of the modifier. You can turn ...
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Why doesn't java.lang.Number implement Comparable? [duplicate]

...2 += 0.1d; } System.out.println(d2 - d1); and you'll be left with some small difference. So back to the issue of making Number Comparable. How would you implement it? Using something like doubleValue() wouldn't do it reliably. Remember the Number subtypes are: Byte; Short; Integer; Long; Ato...
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?

...header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com . 3 Answers ...
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How to use UIScrollView in Storyboard

I have a scroll view with content that is 1000px tall and would like to be able to lay it out for easy design on the storyboard. I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possib...
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Converting an array of objects to ActiveRecord::Relation

I have an array of objects, let's call it an Indicator . I want to run Indicator class methods (those of the def self.subjects variety, scopes, etc) on this array. The only way I know to run class methods on a group of objects is to have them be an ActiveRecord::Relation. So I end up resorting to...
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How do I check if a type provides a parameterless constructor?

...Type.EmptyTypes, null); There's a caveat for value types, which aren't allowed to have a default constructor. You can check if you have a value type using the Type.IsValueType property, and create instances using Activator.CreateInstance(Type); ...
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What does @@variable mean in Ruby?

...the classes; setting the value in an instance of one changes the value for all other instances of that class and even child classes, where a variable named @shared, with one @, would not be. [Update] As Phrogz mentions in the comments, it's a common idiom in Ruby to track class-level data with an ...