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JPA: How to have one-to-many relation of the same Entity type

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How to build a query string for a URL in C#?

...t. The key/value pair format that is commonly used is called application/x-www-form-urlencoded, and is actually defined by HTML, for the purpose of submitting form data as part of a GET request. HTML 5 does not forbid multiple values per key in this format, and in fact it requires that the browser p...
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What makes a keychain item unique (in iOS)?

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What are OLTP and OLAP. What is the difference between them?

...inspired my answer: http://datawarehouse4u.info/OLTP-vs-OLAP.html http://www.ibmsystemsmag.com/Blogs/You-and-i/Archive/db-102-database-orientation-row-vs-column/ http://martinfowler.com/bliki/DataLake.html share ...
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Is ASCII code 7-bit or 8-bit?

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What is the logic behind the “using” keyword in C++?

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How to create an object for a Django model with a many to many field?

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Convert JSON String To C# Object

..."some data\" }"); More information can be found in this tutorial: http://www.codeproject.com/Tips/79435/Deserialize-JSON-with-Csharp.aspx share | improve this answer | foll...
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What is the difference between memmove and memcpy?

... pointed by the source to the location pointed by the destination. (http://www.cplusplus.com/reference/cstring/memcpy/) Consider the following examples: #include <stdio.h> #include <string.h> int main (void) { char string [] = "stackoverflow"; char *first, *second; first ...
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Which Python memory profiler is recommended? [closed]

... Consider the objgraph library (see http://www.lshift.net/blog/2008/11/14/tracing-python-memory-leaks for an example use case). share | improve this answer |...