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What does “zend_mm_heap corrupted” mean

All of the sudden I've been having problems with my application that I've never had before. I decided to check the Apache's error log, and I found an error message saying "zend_mm_heap corrupted". What does this mean. ...
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What is the difference between an interface and abstract class?

...'t do anything. It's just a pattern. For example (pseudo code): // I say all motor vehicles should look like this: interface MotorVehicle { void run(); int getFuel(); } // My team mate complies and writes vehicle looking that way class Car implements MotorVehicle { int fuel; vo...
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Entity Framework 6 Code first Default value

... You can do it by manually edit code first migration: public override void Up() { AddColumn("dbo.Events", "Active", c => c.Boolean(nullable: false, defaultValue: true)); } ...
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How to properly URL encode a string in PHP?

...owever, you shouldn't need to use urldecode() on variables that appear in $_POST and $_GET. share | improve this answer | follow | ...
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Do you need text/javascript specified in your tags?

...tribute is optional. Since Netscape 2, the default programming language in all browsers has been JavaScript. In XHTML, this attribute is required and unnecessary. In HTML, it is better to leave it out. The browser knows what to do. ...
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How do I remove code duplication between similar const and non-const member functions?

... C &>(*this).get()); } char c; }; The two casts and function call may be ugly but it's correct. Meyers has a thorough explanation why. share | improve this answer | ...
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How to use a class from one C# project with another C# project

...that you wish to access directly must have a sufficient access level: typically this means they must be made public. share | improve this answer | follow | ...
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Get all unique values in a JavaScript array (remove duplicates)

...l loop through the array and leave only those entries that pass the given callback function onlyUnique. onlyUnique checks, if the given value is the first occurring. If not, it must be a duplicate and will not be copied. This solution works without any extra library like jQuery or prototype.js. It w...
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How can I convert a string to a number in Perl?

... You don't need to convert it at all: % perl -e 'print "5.45" + 0.1;' 5.55 share | improve this answer | follow | ...
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Return all enumerables with yield return at once; without looping through

...mportant difference between the two implementations though: this one will call all of the methods immediately, even though it will only use the returned iterators one at a time. Your existing code will wait until it's looped through everything in GetMoreErrors() before it even asks about the next er...