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ld cannot find an existing library

..., used by the dynamic linker; libmagic.so is used by the linker, and is usually together with the headers in the -dev package. The symlink might be missing because the -dev package was not installed. – CesarB Dec 3 '08 at 10:49 ...
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set DateTime to start of month

...le and use that if you are going to use the value repeatedly. There is a small chance of an error in case this code is executed exactly around midnight; the two calls to DateTime.Now may happen on each side of midnight causing possibly odd effects. – Fredrik Mörk ...
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Convert int to string?

...compile time, but it wouldn't even raise a runtime exception it would just allow bad data. – Timothy Gonzalez Dec 15 '16 at 16:29 3 ...
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How to convert date to timestamp?

...(YYYY-MM-DD), which is guaranteed to be understood by Date(), and is, generally speaking, the most interoperable format for date strings. – Walter Tross Dec 4 '14 at 13:54 ...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

...t is both commutative and associative. This means the operation can be parallelized. This distinction is very important for Big Data / MPP / distributed computing, and the entire reason why reduce even exists. The collection can be chopped up and the reduce can operate on each chunk, then the red...
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How do I step out of a loop with Ruby Pry?

... To exit Pry unconditionally, type exit-program Edit from @Nick's comment: Also works: !!! share | improve this answer | ...
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What are the differences between json and simplejson Python modules?

...ossible. A good practice, in my opinion, is to use one or the other as a fallback. try: import simplejson as json except ImportError: import json share | improve this answer | ...
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Default implementation for Object.GetHashCode()

...{ public class Object { [MethodImpl(MethodImplOptions.InternalCall)] internal static extern int InternalGetHashCode(object obj); public virtual int GetHashCode() { return InternalGetHashCode(this); } } } InternalGetHashCode is mapped to an Objec...
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Under what conditions is a JSESSIONID created?

...s created/sent when session is created. Session is created when your code calls request.getSession() or request.getSession(true) for the first time. If you just want to get the session, but not create it if it doesn't exist, use request.getSession(false) -- this will return you a session or null. In...
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REST HTTP status codes for failed validation or invalid duplicate

...of issue. The only other alternative is 422 Unprocessable Entity. It actually comes from WebDav but it is perfectly valid to reuse any status code that has been registered with IANA. – Darrel Miller Jul 20 '10 at 19:38 ...