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Why does JPA have a @Transient annotation?
Java has the transient keyword. Why does JPA have @Transient instead of simply using the already existing java keyword?
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When should I use OWIN Katana?
...rious OAuth providers becomes an infrastructure concern (a middleware) and does not need to be part of your application code anymore :
http://www.nuget.org/packages/Microsoft.Owin.Security.Google/
http://www.nuget.org/packages/Microsoft.Owin.Security.Facebook/
http://www.nuget.org/packages/Micros...
How can I open several files at once in Vim?
...sion, specify the parent directory e.g. args **/.hg/hgrc works but **/hgrc does not.
– 79E09796
Mar 19 '13 at 10:11
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Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
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@iowatiger08: The size of int is fixed; it does not depend on the JVM. Java is not C.
– Martin Schröder
Jul 17 '14 at 11:55
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Why does String.split need pipe delimiter to be escaped?
...ited", "Text", "With", "An\|Embedded", "Pipe", "Char")? The split function does not support escaping like this, but you might be able to craft a regular expression that'll work for this case, like with a zero-width negative assertion look behind group: (?<!\\)\| which would be line.split("(?<!...
How does git compute file hashes?
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^correction to above comment: sometimes git does the replacement above, depending on one's eol/autocrlf settings.
– user420667
May 26 '16 at 17:38
5
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Regular expression to match a line that doesn't contain a word
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The notion that regex doesn't support inverse matching is not entirely true. You can mimic this behavior by using negative look-arounds:
^((?!hede).)*$
The regex above will match any string, or line without a line break, not containing the (sub...
Multiple Inheritance in C#
...ince multiple inheritance is bad (it makes the source more complicated) C# does not provide such a pattern directly. But sometimes it would be helpful to have this ability.
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What does SynchronizationContext do?
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What does SynchronizationContext do?
Simply put, SynchronizationContext represents a location "where" code might be executed. Delegates that are passed to its Send or Post method will then be invoked in that location. (Post is th...
Moving average or running mean
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For a short, fast solution that does the whole thing in one loop, without dependencies, the code below works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
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