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Find all storage devices attached to a Linux machine [closed]
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There's kind of a limit on what you can do from a shell. Most of the other suggestions that are higher rated either don't work from a shell, won't work unless dbus is running, or will list devices that aren't actually present/configured. This is just faster than chec...
What does 'stale file handle' in Linux mean?
...ory. Through another terminal, I delete that directory and restore it back from an identical backup. When I try to vim a file from the first terminal, in the same directory, why do I get an error about a stale file handle? What does it mean? (On a side note, I have found that it is possible to byp...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
...to see that it is s that was null but what if the value was a return value from another function call and not stored in any variable? Anyway, this kind of information is not what you want to keep track of in a virtual machine like the .NET virtual machine.
To avoid this problem I suggest that you...
validation custom message for rails 3
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How do I remove the :title from the error message above? Above displays as "Title Story title is required". I want "Story title is required." Thanks.
– datauser
Oct 6 '11 at 6:37
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Python mock multiple return values
...return the next value in the sequence each time it is called:
>>> from unittest.mock import Mock
>>> m = Mock()
>>> m.side_effect = ['foo', 'bar', 'baz']
>>> m()
'foo'
>>> m()
'bar'
>>> m()
'baz'
Quoting the Mock() documentation:
If side_effect...
In JavaScript can I make a “click” event fire programmatically for a file input element?
...is not true, See Didier's response below. The programmatic click must come from user action context - like in click handler of another button. Then it works fine, no need to have overflow element.
– smok
Mar 21 '14 at 12:05
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How to check in Javascript if one element is contained within another
... answer:
Using the parentNode property should work. It's also pretty safe from a cross-browser standpoint. If the relationship is known to be one level deep, you could check it simply:
if (element2.parentNode == element1) { ... }
If the the child can be nested arbitrarily deep inside the parent,...
JavaScript frameworks to build single page applications [closed]
...odel and View code was nice, but since we'd have to write all our bindings from scratch it wasn't worth it.
Knockout
Knockout is like the Yin to Backbone's Yang. Where Backbone is focused on the Model, Knockout is a MVVM framework and is focused on the View. It has observable wrappers for JavaScri...
How to overload functions in javascript?
...hen return all keys/values in a returned object.
// set all keys/values from the passed in object
obj.data(object);
If the type of the first argument is a plain object, then set all keys/values from that object.
Here's how you could combine all of those in one set of javascript logic:
// m...
Constant pointer vs Pointer to constant [duplicate]
... the declaration like this which make it easy to read and understand (read from right to left):
int const *ptr; // ptr is a pointer to constant int
int *const ptr; // ptr is a constant pointer to int
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