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PHP array_filter with arguments

... As an alternative to @Charles's solution using closures, you can actually find an example in the comments on the documentation page. The idea is that you create an object with the desired state ($num) and the callback method (taking $i as an argument): class LowerThanFilter { private ...
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No output to console from a WPF application?

... You'll have to create a Console window manually before you actually call any Console.Write methods. That will init the Console to work properly without changing the project type (which for WPF application won't work). Here's a complete source code example, of how a C...
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HTML5 Email Validation

...e="Submit"> </form> And when the user press submit, it automatically shows an error message like: share | improve this answer | follow | ...
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How can I save a screenshot directly to a file in Windows? [closed]

...ormat format = ImageFormat.PNG; or ImageFormat format = ImageFormat.JPG; All is here for you – Patrick Desjardins Oct 1 '08 at 15:31 4 ...
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How do I copy items from list to list without foreach?

... It works with all types, as long as lstStudentClass is an IEnumerable<StudentClass>, it will work. If you experience otherwise you need to provide more information. – Lasse V. Karlsen Apr 3 '15 ...
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How to make an array of arrays in Java

Hypothetically, I have 5 string array objects: 4 Answers 4 ...
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?

...ter you can change the column encoding from utf8 to utf8mb4. This encoding allows storage of characters that occupy 4 bytes in UTF-8. You may also have to set the server property character_set_server to utf8mb4 in the MySQL configuration file. It seems that Connector/J defaults to 3-byte Unicode ot...
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How to dynamically load a Python class

...hing like this won't work: __import__('foo.bar.baz.qux') You'd have to call the above function like so: my_import('foo.bar.baz.qux') Or in the case of your example: klass = my_import('my_package.my_module.my_class') some_object = klass() EDIT: I was a bit off on this. What you're basicall...
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Re-raise exception with a different type and message, preserving existing information

...ns that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly, if needed. But many of the exceptions raised from the module are raised because of ...
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]

... I prefer using the dateutil library for timezone handling and generally solid date parsing. If you were to get an ISO 8601 string like: 2010-05-08T23:41:54.000Z you'd have a fun time parsing that with strptime, especially if you didn't know up front whether or not the timezone was included. ...