How do I give user access to Jenkins? Essentially you do this:Go to Jenkins -x26gt; Manage Jenkins -x26gt; Configure Global Security.Check x26quot;Enable securityx26quot;.Set x26quot;Jenkins own user databasex26quot; as security realm.Check x26quot;Allow users to sign upx26quot;Choose x26quot;Matrix based securityx26quot;Check x26quot;Overall readx26quot; on Anonymous.Add … [Read more...]

What is docker volume command? Volumes are the preferred mechanism for persisting data generated by and used by Docker containers. While bind mounts are dependent on the directory structure and OS of the host machine, volumes are completely managed by Docker. ... You can manage volumes using Docker CLI commands or the Docker API. How can I see docker volumes? We can … [Read more...]

What is the date format in Unix? ...Bash date format options.Date Format OptionMeaningExample Outputdate +%m-%d-%YMM-DD-YYYY date05-09-2020date +%DMM/DD/YY date format05/09/2020 more rowsx26bull;02-Oct-2020 How do I format a date in Linux? These are the most common formatting characters for the date command:%D u2013 Display date as mm/dd/yy.%Y u2013 Year (e.g., 2020)%m … [Read more...]

What is the difference between ARG and ENV Docker? ENV is for future running containers. ARG for building your Docker image. ... ENV is mainly meant to provide default values for your future environment variables. What is Arg in a Dockerfile? You can use the ARG command inside a Dockerfile to define the name of a parameter and its default value. This default value can … [Read more...]

What is rsync command Linux? rsync or remote synchronization is a software utility for Unix-Like systems that efficiently sync files and directories between two hosts or machines. ... Copying/syncing to/from another host over any remote shell like ssh, rsh. How do I use rsync in Linux? Syntax of rsync command:-v, u2013verbose Verbose output.-q, u2013quiet suppress … [Read more...]

You are mixing implicit joins with explicit joins. That is allowed, but you need to be aware of how to do that properly. The thing is, explicit joins (the ones that are implemented using the JOIN keyword) take precedence over implicit ones (the 'comma' joins, where the join condition is specified in the WHERE clause). Here's an outline of your query: SELECT … FROM a, b LEFT … [Read more...]

Try this in the console: JSON.parse(undefined) Here is what you will get: Uncaught SyntaxError: Unexpected token u in JSON at position 0 at JSON.parse () at :1:6 In other words, your app is attempting to parse undefined, which is not valid JSON. There are two common causes for this. The first is that you may be referencing a non-existent property (or even a … [Read more...]

In Python, this: my_object.method("foo") ...is syntactic sugar, which the interpreter translates behind the scenes into: MyClass.method(my_object, "foo") ...which, as you can see, does indeed have two arguments - it's just that the first one is implicit, from the point of view of the caller. This is because most methods do some work with the object they're called on, so there … [Read more...]

This is entirely implementation specific, but it appears that in the C++ environment you're working in, RAND_MAX is equal to INT_MAX. Because of this, RAND_MAX + 1 exhibits undefined (overflow) behavior, and becomes INT_MIN. While your initial statement was dividing (random # between 0 and INT_MAX)/(INT_MAX) and generating a value 0 >32)}; rng.seed(ss); // initialize a … [Read more...]