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Controlling a USB power supply (on/off) with Linux
... The permission is denied because a command in the form of sudo foo > bar is parsed as direct the output to bar, then run foo using sudo. The redirection fails because it happens before you get root access. The solution is to use sudo sh -c 'echo disabled > /sys/bus/usb/devices/us...
Best way to organize jQuery/JavaScript code (2013) [closed]
...js/app.js that references $ and App.
e.g.
$('a').click(function() { App.foo() }
Put it in www/js/foo.js
At the very top of that file, put:
require(['jquery', 'app'], function($, App) {
At the bottom put:
})
Then change the last line of www/js/main.js to:
require(['jquery', 'app', 'foo']...
List of Java class file format major version numbers?
...
If you have a class file at build/com/foo/Hello.class, you can check what java version it is compiled at using the command:
javap -v build/com/foo/Hello.class | grep "major"
Example usage:
$ javap -v build/classes/java/main/org/aguibert/liberty/Book.class | g...
How to find/remove unused dependencies in Gradle
...t to enforce that there should be no unused dependencies via a CI build.
:foo:analyze FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':foo:analyze'.
> The project has unused declared artifacts
...
The static keyword and its various uses in C++
...ass]
locations as code:
static std::string namespaceScope = "Hello";
void foo() {
static std::string functionScope= "World";
}
struct A {
static std::string classScope = "!";
};
Before any function in a translation unit is executed (possibly after main began execution), the variables with s...
Multiple line code example in Javadoc comment
...
/**
* <blockquote><pre>
* {@code
* public Foo(final Class<?> klass) {
* super();
* this.klass = klass;
* }
* }
* </pre></blockquote>
**/
<pre/> is required for preserving lines.
{@code must has its own line
<blockquote/>...
How to implement an ordered, default dict? [duplicate]
... like: >>> od = OrderedDefaultDict(int) >>> od['foo'] += 100 OrderedDefaultDict([('foo', 100)]) This case would be correctly handled by a solution like this one.
– avyfain
Oct 13 '16 at 22:42
...
How do I grab an INI value within a shell script?
...tr -d ' ')
To support ; comments, replace them with #:
$ sed "s/;/#/g" foo.ini | source /dev/stdin
The sections aren't supported (e.g. if you've [section-name], then you've to filter it out as shown above, e.g. grep =), the same for other unexpected errors.
If you need to read specific value u...
How do I detect a click outside an element?
...lutions here didn't work for me so I had to use:
if(!$(event.target).is('#foo'))
{
// hide menu
}
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Constructors in Go
...ine" literals can be used instead of a "constructor" call.
a := NewThing("foo")
b := &Thing{"foo", 33}
Now *a == *b.
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