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Controlling a USB power supply (on/off) with Linux
... USB power management from kernels 2.6.32, which seem to settle in 2.6.38. Now you'll need to wait for the device to become idle, which is governed by the particular device driver. The driver needs to support it, otherwise the device will never reach this state. Unluckily, now the user has no chance...
How to resize a VirtualBox vmdk file
...e the UUID automatically. I had to remove the hard drive from the list of known hard drives (File -> Virtual Media Manager) and then re-add it to the instance.
– Chaim Eliyah
Dec 14 '17 at 22:14
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How to export a Vagrant virtual machine to transfer it
...Machine** >> **Add**
4.) Run `vagrant box list` to see if vagrant acknowledges your machines.
5.) `git clone my_project`
6.) `vagrant up`
I had a few problems with VB Guest additions.
I fixed them with this solution.
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Optimal number of threads per core
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I know this question is rather old, but things have evolved since 2009.
There are two things to take into account now: the number of cores, and the number of threads that can run within each core.
With Intel processors, the nu...
How to pass variable from jade template file to a script file?
...e hierarchy
.defaults({
store: {
NODE_ENV: 'development'
}
});
Now I can set my variables like this:
export ui_varables__var1=first-value
export ui_varables__var2=second-value
Note: I reset the "heirarchy indicator" to "__" (double underscore) because its default was ":", which makes ...
How do I address unchecked cast warnings?
...eally should have the generic parameters <String, String>. You must know beforehand what the parameters should be (or you'll find out when you get a ClassCastException). This is why the code generates a warning, because the compiler can't possibly know whether is safe.
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Go build: “Cannot find package” (even though GOPATH is set)
...o a subfolder of $GOPATH/src, e.g. $GOPATH/src/test
go install test should now create an executable in $GOPATH/bin that can be called by typing test into your terminal.
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Reading header data in Ruby on Rails
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Rails now attaches HTTP_ to the header as well as converting it to all caps so it would now be:
request.headers["HTTP_CONTENT_TYPE"]
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How to change cursor from pointer to finger using jQuery?
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$('selector').css('cursor', 'pointer'); // 'default' to revert
I know that may be confusing per your original question, but the "finger" cursor is actually called "pointer".
The normal arrow cursor is just "default".
all possible default pointer looks DEMO
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How do CDI and EJB compare? interact?
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It is currently indeed a bit confusing as there are now multiple component models in Java EE. They are CDI, EJB3 and JSF Managed Beans.
CDI is the new kid on the block. CDI beans feature dependency injection, scoping and an event bus. CDI beans are the most flexible with resp...