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Check Whether a User Exists
...
You can also check user by id command.
id -u name gives you the id of that user.
if the user doesn't exist, you got command return value ($?)1
And as other answers pointed out: if all you want is just to check if the user exists, use if with id directly, as i...
Smooth scrolling when clicking an anchor link
... scrollTop: $($.attr(this, 'href')).offset().top
}, 500);
});
And here's the fiddle: http://jsfiddle.net/9SDLw/
If your target element does not have an ID, and you're linking to it by its name, use this:
$('a[href^="#"]').click(function () {
$('html, body').animate({
scr...
How to create a hash or dictionary object in JavaScript [duplicate]
...ill a.push({"key3","value3"}) work?
– Sangram Anand
Jun 17 '13 at 9:52
1
push is an array me...
Python pip install fails: invalid command egg_info
... edited Jun 5 '14 at 10:33
evandrix
5,36333 gold badges2525 silver badges3232 bronze badges
answered Jul 11 '12 at 5:01
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How to change a module variable from another module?
Suppose I have a package named bar , and it contains bar.py :
3 Answers
3
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OS specific instructions in CMAKE: How to?
... function of CMAKE where I am linking libwsock32.a. In windows this works and I get the results.
8 Answers
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What difference does .AsNoTracking() make?
...estion regarding the .AsNoTracking() extension, as this is all quite new and quite confusing.
6 Answers
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LINQ with groupby and count
...g>, where each Grouping itself exposes the Key used to create the group and also is an IEnumerable<T> of whatever items are in your original data set. You just have to call Count() on that Grouping to get the subtotal.
foreach(var line in data.GroupBy(info => info.metric)
...
What .NET collection provides the fastest search
...ection" depends on your specific data size, ordered-ness, cost-of-hashing, and search frequency.
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How do I set the default locale in the JVM?
...The host
environment's locale is determined by the host operating system and
the user preferences established on that system.
Second, on some Java runtime implementations, the application user can
override the host's default locale by providing this information on
the command line by se...