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How to set or change the default Java (JDK) version on OS X?
... export JAVA_HOME… line to your shell’s init file.
For Bash (as stated by antonyh):
export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
For Fish (as stated by ormurin)
set -x JAVA_HOME (/usr/libexec/java_home -d64 -v1.8)
Updating the .zshrc file should work:
nano ~/.zshrc
export JAVA_HOME=$(/us...
Why is there “data” and “newtype” in Haskell? [duplicate]
...introduce a single value constructor, but the value constructor introduced by newtype is strict and the value constructor introduced by data is lazy. So if you have
data D = D Int
newtype N = N Int
Then N undefined is equivalent to undefined and causes an error when evaluated. But D undefined i...
simple explanation PHP OOP vs Procedural?
...ns you have ever written in your entire life, listed in alphabetical order by function name
For example: you could have multiple PHP files with functions that are chunked together by subject matter [e.g., functions for doing basic string manipulation, functions for processing arrays, functions for f...
Redis: possible to expire an element in an array or sorted set?
... Yep, element expiration in nested data structures is not supported by Redis.
– Itamar Haber
Dec 12 '19 at 6:52
add a comment
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Classpath including JAR within a JAR
...within a Jar (for Java SE) projects. Using UberJar eliminates the problem by extracting class files into your Jar.
– Steve Moyer
Oct 14 '14 at 15:56
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how to mysqldump remote db from local machine
...lhost, it's one of these 'special meaning' nonsense that probably connects by socket rather then by port)
edit: well, to elaborate: if host is set to localhost, a configured (or default) --socket option is assumed. See the manual for which option files are sought / used. Under Windows, this can be ...
Can table columns with a Foreign Key be NULL?
...if you want to know later whether a value was originally set as "default" (by using null) or set to a value that happens to be the same as "default". By having a row with a null id, you can clearly indicate that this row is not to be used as a normal row, and can use the row as a way of providing a ...
A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu
...re are circular references in your object hierarchy which is not supported by the JSON serializer. Do you need all the columns? You could pick up only the properties you need in the view:
return Json(new
{
PropertyINeed1 = data.PropertyINeed1,
PropertyINeed2 = data.PropertyINeed2
});
T...
Count number of occurences for each unique value
...
Chase, any chance to order by frequency? I have the exact same problem, but my table has roughly 20000 entries and I'd like to know how frequent the most common entries are.
– Torvon
Dec 1 '14 at 16:25
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Java “Virtual Machine” vs. Python “Interpreter” parlance?
...fundamental level with very basic building blocks of such instructions (or byte codes) that are independent of the next. An instruction executes deterministically based only on the current state of the virtual machine and does not depend on information elsewhere in the instruction stream at that poi...