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Show pending migrations in rails
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How do you read the output of this command? If the status of a row is "down", does that mean it's a pending migration?
– Dennis
Feb 13 '15 at 15:00
1...
How to check “hasRole” in Java Code with Spring Security?
...Wrapper instance. You could improve it explaining how to obtain it and clarifying the answer itself a little bit more.
– Xtreme Biker
Feb 23 '15 at 9:59
3
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Get current directory name (without full path) in a Bash script
... # ...useful to make hidden characters readable.
Note that if you're applying this technique in other circumstances (not PWD, but some other variable holding a directory name), you might need to trim any trailing slashes. The below uses bash's extglob support to work even with multip...
How to get method parameter names?
... no metadata about their arguments. As a result, you will get a ValueError if you use inspect.getfullargspec() on a built-in function.
Since Python 3.3, you can use inspect.signature() to see the call signature of a callable object:
>>> inspect.signature(foo)
<Signature (a, b, c=4, *ar...
How do I determine if a port is open on a Windows server? [closed]
...rt may be closed by a firewall. Is there a way to ping out or in, on a specific port, to see if it is open?
13 Answers
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Best way to add page specific JavaScript in a Rails 3 app?
...lock and then yield to that block in your application layout. For example
If it's pretty short then:
<% content_for :head do %>
<script type="text/javascript">
$(function() {
$('user_rating_positve').click(function() {
$('some_div').show();
}
});
</sc...
Convert a float64 to an int in Go
... Such casts have a problem in Go that can be unexpected (at least if you come from Java): "In all non-constant conversions involving floating-point or complex values, if the result type cannot represent the value the conversion succeeds but the result value is implementation-dependent." (go...
How does numpy.histogram() work?
...n each bin, which in turns determines the area (not necessarily the height if the bins aren't of equal width) of each bar.
In this example:
np.histogram([1, 2, 1], bins=[0, 1, 2, 3])
There are 3 bins, for values ranging from 0 to 1 (excl 1.), 1 to 2 (excl. 2) and 2 to 3 (incl. 3), respectively....
How to get the caller's method name in the called method?
...t's dependent on the CPython implementation, so code using this will break if you ever try to use PyPy or Jython or other runtimes. that's fine if you're just developing and debugging locally but not really something you want in your production system.
– robru
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Properties order in Margin
If I have such string in XAML:
4 Answers
4
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