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How to get enum value by string or int
...Johannes What do you mean by that? There is a generic way, refer my answer and others too.
– Sriram Sakthivel
May 9 '14 at 12:39
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Cross field validation with Hibernate Validator (JSR 303)
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Each field constraint should be handled by a distinct validator annotation, or in other words it's not suggested practice to have one field's validation annotation checking against other fields; cross-field validation should be done at the class level. Addit...
Choosing between std::map and std::unordered_map [duplicate]
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It is very important to understand that for some applications, worst case performance is crucial to know and is the deciding factor. For some hard real-time systems, having a linear worst case like the hashtable is not acceptable. std::map is always O(lg N...
Scala downwards or decreasing for loop?
... answered Apr 11 '10 at 15:37
Randall SchulzRandall Schulz
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Track the time a command takes in UNIX/LINUX?
In UNIX/LINUX, is there an easy way to track the time a command takes?
3 Answers
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When to use “ON UPDATE CASCADE”
...CADE.
However, let's say that your primary key is a 10 digit UPC bar code and because of expansion, you need to change it to a 13-digit UPC bar code. In that case, ON UPDATE CASCADE would allow you to change the primary key value and any tables that have foreign key references to the value will be...
Is JavaScript a pass-by-reference or pass-by-value language?
...er that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object holds the object itself).
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connecting to MySQL from the command line
How can you connect to MySQL from the command line in a Mac? (i.e. show me the code)
6 Answers
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List or IList [closed]
...'t change.
If you are just using it internally, you may not care so much, and using List<T> may be ok.
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How can you encode a string to Base64 in JavaScript?
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You can use btoa() and atob() to convert to and from base64 encoding.
There appears to be some confusion in the comments regarding what these functions accept/return, so…
btoa() accepts a “string” where each character represents an 8-b...
