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Gradle finds wrong JAVA_HOME even though it's correctly set
...check if its just a symlink
ls -la /usr/bin/javac
/usr/bin/javac -> /etc/alternatives/javac # its a symlink so check again
ls -la /etc/alternatives/javac # now check if its just a symlink
/etc/alternatives/javac -> /usr/lib/jvm/java-8-openjdk-amd64/bin/javac
OK so finally found the b...
Java Enum Methods - return opposite direction enum
...l as flexible as first approach since adding more fields or changing their order will break our code.
public enum Direction {
NORTH, EAST, SOUTH, WEST;
// cached values to avoid recreating such array each time method is called
private static final Direction[] VALUES = values();
pu...
Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations
...orzing the ctx.Database.initialize() of each context to run in the correct order, or run the Update-Database command by hand in the correct order. (And teh reverse, if you do a db migration to previous version). It`s "dangerous" but can be done.
– JotaBe
Nov 24...
Swift and mutating struct
...hat the fields of any particular instance may be mutable or immutable.
In order for a structure method to mutate the fields of the underlying struct, those fields have to be mutable. If a method that mutates fields of the underlying struct is invoked upon an immutable structure, it would try to mu...
What are the lesser known but useful data structures?
..., sorted linked lists, with efficiency comparable to a binary search tree (order log n average time for most operations).
They can be used as an alternative to balanced trees (using probalistic balancing rather than strict enforcement of balancing). They are easy to implement and faster than say,...
jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...-华为云免费堡垒机解决方案一、环境CentOS 6.x x86_64 minivi etc hostsvi etc sysconfig networkservice iptables stopchkconfig iptables off关闭SELinu...一、环境
CentOS 6.x x86_64 mini
vi /etc/hosts
vi /etc/sysconfig/network
service iptables stop
chkconfig iptab...
Why doesn't Java offer operator overloading?
...plexNumber.equals to have it return a random value, modify the operands... etc. etc. etc..
In Java, as in C++, or whatever language, the programmer must respect a minimum of semantics when writing code. This means implementing a add function that adds, and Cloneable implementation method that clone...
Why not use tables for layout in HTML? [closed]
...other important things are accessibility and SEO.
Both care about in what order information is presented. You cannot easily present your navigation at the top of the page if your table-based layout puts it in the 3rd cell of the 2nd row of the 2nd nested table on the page.
So your answers are main...
Command to list all files in a folder as well as sub-folders in windows
...re format (no heading information or summary).
/O List by files in sorted order.
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MVC (Laravel) where to add logic
...return data and this is not the place to put validations, call db methods, etc..
Models: Is this a good place to add logic like sending an welcome email when a user registers or update the vote count of a post? What if you need to send the same email from another place in your code? Do you create ...