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How to set the maximum memory usage for JVM?
...Xms<memory> -Xmx<memory>. Use M or G after the numbers for indicating Megs and Gigs of bytes respectively. -Xms indicates the minimum and -Xmx the maximum.
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How default .equals and .hashCode will work for my classes?
...(x == y has the value true).
hashCode
As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation tec...
Hide all warnings in ipython
I need to produce a screencast of an ipython session, and to avoid confusing viewers, I want to disable all warnings emitted by warnings.warn calls from different packages. Is there a way to configure the ipythonrc file to automatically disable all such warnings?
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Link latest file on Bitbucket Git repository
...ivate repo, it redirects to bytebucket.org & append a token so that it can be viewed publicly...like https://bytebucket.org/$username/$repo/raw/$sha/$filename.jpg?token=$sometoken. But the token is different for each file. Is there any way I can get/generate this type of token through bitbucket ...
Preview layout with merge root tag in Intellij IDEA/Android Studio
... is a new parentTag tools attribute (added in Android Studio 2.2) that you can use to specify the layout type for a merge tag, which will make the layout render correctly in the layout editor preview.
So using your example:
<merge xmlns:android="http://schemas.android.com/apk/res/android"
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Authorize Attribute with Multiple Roles
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I also like this solution a lot, especially because I can let my Role be an enum rather than a string. What would a good namespace and location in the project hierarchy be for placing this custom authorize attribute?
– Simon Shine
O...
Python - When to use file vs open
... and is an alias for file()." Since I decided to RTFM ten years ago, and became very fond the the unification of types and classes, I never used open() again. Moreover, I still feel that the type constructor is the more obvious way to return a file like object, located by the path arg, and behaving...
How to convert lazy sequence to non-lazy in Clojure
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doall is all you need. Just because the seq has type LazySeq doesn't mean it has pending evaluation. Lazy seqs cache their results, so all you need to do is walk the lazy seq once (as doall does) in order to force it all, and thus render it non-lazy. seq ...
Regular expression for exact match of a string
...its own way
as a second thought, you may want to consider a safer authentication mechanism :)
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Confusion between factor levels and factor labels
...mes used for output (such as tables and plots). Obviously, this is not the case, as the following example shows:
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