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how to listen to N channels? (dynamic select statement)
... operation described by the list of cases. Like
the Go select statement, it blocks until at least one of the cases can
proceed, makes a uniform pseudo-random choice, and then executes that
case. It returns the index of the chosen case and, if that case was a
receive operation, the value rece...
Secure random token in Node.js
...tes a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is
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kernel stack and user space stack
...Why kernel stack is used? If a local variable is declared in an ISR, where it will be stored? Does each process has its own kernel stack? Then how the process coordinates between both these stacks?
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Exactly what is a “third party”? (And who are the first and second party?)
...rary" is, so I assume that the "third-party" in this case, simply is an arbitrary person/company other than the developer?
...
Get battery level and state in Android
...)? I researched the developer docs and I found a BatteryManager class. But it doesn't contain any methods, just constants. How do I even use it?
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How to solve “The specified service has been marked for deletion” error
I try to remove a Windows Service with sc delete <service name> , and encounter the following error:
21 Answers
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“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
...assword, and grant the new user full control over the phpmyadmin database. It is recommended that this user does not have access to anything other than this database.
Go to the phpMyAdmin installation directory, where you should find a sub-directory called sql.
In sql you will find a file called cre...
Removing duplicate rows in vi?
... on each line). Some of these are duplicates, and I would like to know if it is possible (and if so, how) to remove any duplicates. I am interested in doing this from within vi/vim, if possible.
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Window appears off screen on ubuntu [closed]
I have a dual monitor setup, and I am using Ubuntu 12.04 LTS
I have changed the positioning of the monitors several times, and now for some reason some of the windows open up off-screen (outside of both screens), Update Manager, for instance.
How can I position the windows on one of my screens?
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How do I scale a stubborn SVG embedded with the tag?
...tes to the <svg> tag to accomplish this.
Open the .svg file in an editor and find the <svg> tag.
in that tag, add the following attributes:
preserveAspectRatio="xMinYMin meet"
viewBox="0 0 {width} {height}"
Replace {width} and {height} with some defaults for the viewBox. I used the ...