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How can I get the last 7 characters of a PHP string?

How would I go about grabbing the last 7 characters of the string below? 7 Answers 7 ...
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JPA: How to have one-to-many relation of the same Entity type

There's an Entity Class "A". Class A might have children of the same type "A". Also "A" should hold it's parent if it is a child. ...
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Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?

Following on from this question , can someone explain the following in Scala: 4 Answers ...
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What makes a keychain item unique (in iOS)?

My question concerns keychains in iOS (iPhone, iPad, ...). I think (but am not sure) that the implementation of keychains under Mac OS X raises the same question with the same answer. ...
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Is Java Regex Thread Safe?

I have a function that uses Pattern#compile and a Matcher to search a list of strings for a pattern. 5 Answers ...
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Is ASCII code 7-bit or 8-bit?

My teacher told me ASCII is 8-bit character coding scheme. But it is defined only for 0-127 codes which means it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code? ...
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CMake output/build directory

I'm pretty new to CMake, and read a few tutorials on how to use it, and wrote some complicated 50 lines of CMake script in order to make a program for 3 different compilers. This probably concludes all my knowledge in CMake. ...
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Use of the MANIFEST.MF file in Java

I noticed that JAR, WAR and EAR files have a MANIFEST.MF file under the META-INF folder. 2 Answers ...
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How do I iterate through children elements of a div using jQuery?

...v and it has several input elements in it... I'd like to iterate through each of those elements. Ideas? 7 Answers ...
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Database design for audit logging

...base I spend quite some time thinking on how I should set up the database schema to keep an audit log of the changes. 5 Ans...