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What optimizations can GHC be expected to perform reliably?
...e -v flag. Taking as an example the first piece of Haskell I could find on my computer:
Glasgow Haskell Compiler, Version 7.4.2, stage 2 booted by GHC version 7.4.1
Using binary package database: /usr/lib/ghc-7.4.2/package.conf.d/package.cache
wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-7d...
What is this 'Lambda' everyone keeps speaking of?
...ut closures. Closures is what makes the concept of lambdas so powerful. In my memoization example I have used closures to create a closure around the store param. This way, I have access to that param even after the memoize function has returned its result (a lambda).
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Passing arguments to “make run”
... cheers John and calmh, I went back and saw that the suggestion came from my copy of the first edition OReilly book "Managing Projects with Make". The author states the rule about archive substitution using ()'s and macros able to do both but suggests using {}'s to distinguish. But.... The new ed...
Regular expression for a hexadecimal number?
...uby, you can do:
/\h+/
EDIT - Steven Schroeder's answer made me realise my understanding of the 0x bit was wrong, so I've updated my suggestions accordingly.
If you also want to match 0x, the equivalents are
/0[xX][0-9a-fA-F]+/
/0x[0-9a-f]+/i
/0x[\h]+/i
ADDED MORE - If 0x needs to be optional ...
Text size and different android screen sizes
...e text size for different screen sizes. I try to use 'sp' as size units in my custom style:
11 Answers
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Entity Framework - Start Over - Undo/Rollback All Migrations
For some reason, my migrations appear to have been jumbled/corrupted/whatever. I'm at the point where I just want to start over, so is there a way to completely undo all migrations, erase the history, and delete the migration code, so I'm back to square one?
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JPA CascadeType.ALL does not delete orphans
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I just find this solution but in my case it doesn't work:
@OneToMany(cascade = CascadeType.ALL, targetEntity = MyClass.class, mappedBy = "xxx", fetch = FetchType.LAZY, orphanRemoval = true)
orphanRemoval = true has no effect.
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Is it possible to create a File object from InputStream
...directory.studio:org.apache.commons.io needed to be added as a dependency. My bad. :)
– Shahraiz T.
Nov 24 '16 at 5:16
7
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Get local IP address
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This is the best solution that worked for my needs. In my situation I have many networks card and a few wireless connections. I needed to get the preferred IP address depending on which connection was activated.
– David
Nov 1 '1...
Is git not case sensitive?
In the first commitment of my partial called _Electronics it was written beginning with a capital letters, then I changed it to _electronics .
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