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Common programming mistakes for Clojure developers to avoid [closed]
...r code. This also happens frequently when you're refactoring, moving a var from one namespace to another.
Treating the for list comprehension like an imperative for loop
Essentially you're creating a lazy list based on existing lists rather than simply performing a controlled loop. Clojure's dos...
Adding information to an exception?
... ctor that takes >1 arguments (the type is something you cannot control from the place where you catch the exception).
– Václav Slavík
Mar 12 '12 at 16:09
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How do I correctly clean up a Python object?
... By the way, if you're using Python 2.5, you'll need to do from future import with_statement to be able to use the with statement.
– Clint Miller
May 14 '09 at 20:39
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Allowed characters in filename [closed]
...at only because I was bitten by that once when I shortened an include file from const.h to con.h and spent half an hour figuring out why the compiler hung.
Turns out DOS ignored extensions for devices so that con.h was exactly the same as con, the input console (meaning, of course, the compiler was...
Why use HttpClient for Synchronous Connection
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@earthling, yes, Task.Run invokes the task from a ThreadPool, but you are calling .Result on it killing all the benefits from this and blocking the thread in which you called this .Result (which usually happens to be the main UI thread).
– Darin ...
How to remove array element in mongodb?
... will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value in the array (set it to null), but not to remove it completely.
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Is it possible to use argsort in descending order?
...ve that the big elements are coming last in the argsort. So, you can read from the tail of the argsort to find the n highest elements:
avgDists.argsort()[::-1][:n]
Both methods are O(n log n) in time complexity, because the argsort call is the dominant term here. But the second approach has a ...
keytool error Keystore was tampered with, or password was incorrect
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From your description I assume you are on windows machine and your home is abc
So Now : Cause
When you run this command
keytool -genkey -alias tomcat -keyalg RSA
because you are not specifying an explicit keystore it wi...
Setting HttpContext.Current.Session in a unit test
... service I am trying to unit test. In the service it pulls several values from the HttpContext like so:
14 Answers
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Get environment variable value in Dockerfile
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ARG is available from docker v1.9 onwards.
– Synesso
May 20 '16 at 6:02
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