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How should equals and hashcode be implemented when using JPA and Hibernate
...nt to implement hashCode and equals at all - depending on your situation.
https://docs.jboss.org/hibernate/orm/5.2/userguide/html_single/Hibernate_User_Guide.html#mapping-model-pojo-equalshashcode
Generally, two objects loaded from the same session will be equal if they are equal in the database (...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...ing Hapi.js + Socket.io + Redis Pub/Sub Example with End-to-End Tests!
https://github.com/dwyl/hapi-socketio-redis-chat-example
The Pub/Sub component is only a few lines of node.js code:
https://github.com/dwyl/hapi-socketio-redis-chat-example/blob/master/lib/chat.js#L33-L40
Rather than pasti...
How to generate a Dockerfile from an image?
...d export Dockerfile. Parameter -sV=1.36 is not always required.
Reference: https://hub.docker.com/repository/docker/alpine/dfimage
below is the old answer, it doesn't work any more.
$ docker pull centurylink/dockerfile-from-image
$ alias dfimage="docker run -v /var/run/docker.sock:/var/run/docker.so...
How to split a long regular expression into multiple lines in JavaScript?
... of the RegExp object.
Example:
var urlRegex= new RegExp(''
+ /(?:(?:(https?|ftp):)?\/\/)/.source // protocol
+ /(?:([^:\n\r]+):([^@\n\r]+)@)?/.source // user:pass
+ /(?:(?:www\.)?([^\/\n\r]+))/.source // domain
+ /(\/[^?\n\r]+)?/.source // request
+ /(\?[^#\n\r...
Why does “pip install” inside Python raise a SyntaxError?
...f you're building own GUI package manager with alternative resourcess like https://www.lfd.uci.edu/~gohlke/pythonlibs/
Following soulution is OUT OF DATE, instead of downvoting suggest updates. see https://github.com/pypa/pip/issues/7498 for reference.
UPDATE: Since pip version 10.x there is no mo...
What is the Sign Off feature in Git for?
...nder the same license and agrees to a Developer Certificate of Origin (see https://developercertificate.org for more information).
Expand documentation describing --signoff
Modify various document (man page) files to explain in more detail what --signoff means.
This was inspired by ...
How to debug stream().map(…) with lambda expressions?
... for this case as a Java Stream Debugger plugin. You should check it out: https://plugins.jetbrains.com/plugin/9696-java-stream-debugger?platform=hootsuite
It extends the IDEA Debugger tool window by adding the Trace Current Stream Chain button, which becomes active when debugger stops inside of a...
How to show math equations in general github's markdown(not github's blog)
...om the bottom of the page and paste it into your markdown.
<img src="https://latex.codecogs.com/svg.latex?\Large&space;x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}" title="\Large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}" />
This combines this answer and this answer.
GitHub support only somtimes worke...
How to convert a number to string and vice versa in C++
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
android get real path by Uri.getPath()
...iles, not virtual or temporary) , i solve all problems with this library.
https://github.com/nohana/Laevatein (this library is to take photo from camera or choose from galery , if you choose from gallery he have a drawer with albums and just show local files)
...