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How do you create a read-only user in PostgreSQL?
...user in PostgreSQL that can only do SELECTs from a particular database. In MySQL the command would be:
11 Answers
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How to push new branch without history
...rst commit made on this new branch will have no parents and it will be the root of a new history totally disconnected from all the other branches and commits.
The index and the working tree are adjusted as if you had previously run "git checkout <start_point>". This allows you to start a new h...
How to version REST URIs
...representations. The only URL that needs to be known by the client is the root URL of the interface. Adding version numbers to urls only has value if you construct urls on the client, which you are not suppose to do with a RESTful interface.
If you need to make a change to your media-types that w...
How to write DataFrame to postgres table?
There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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How to add local jar files to a Maven project?
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Create a new folder, let's say local-maven-repo at the root of your Maven project.
Just add a local repo inside your <project> of your pom.xml:
<repositories>
<repository>
<id>local-maven-repo</id>
<url>file:///${project.b...
What is JavaScript garbage collection?
...o reference point to it
Mark-and-sweep algorithm: connect each objects to root source. any object doesn't connect to root or other object. this object will be removed.
currently most modern browsers using the second algorithm.
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How to log cron jobs?
... send emails. Most systems will send unhandled cron job output by email to root or the corresponding user.
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How can I alter a primary key constraint using SQL syntax?
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ALTER TABLE db.table DROP PRIMARY KEY is for MySQL. (Not MSSQL.)
– Roy Latham
Sep 25 at 16:43
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What does SQL clause “GROUP BY 1” mean?
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How to generate UML diagrams (especially sequence diagrams) from Java code?
... named MyProject.uml
Move generated MyProject.uml which was generated at root, to UML folder, Eclipse will ask you If you wanted to replace it click yes. What we did in here was that we replaced an empty model with a generated one.
ALT+W -> show view -> papyrus -> model explorer
In that v...