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What's the difference between an id and a class?
...
.Biology {
color: red;
}
Or you can give rules to a Specific Student, by calling his unique ID:
"Jonathan Sampson is to wear a green shirt tomorrow."
#JonathanSampson {
color: green;
}
In this case, Jonathan Sampson is receiving two commands: one as a student in the Biology class, and...
vim “modifiable” is off
...
I am not familiar with NerdTree but I guess that by typing a into a nerdtree view, it is interpreted as " I want to append something in the nerdtree buffer", and that buffer is not modifiable.
You can check that answer vim and NERD Tree extension - adding a file which expl...
Rails detect if request was AJAX
...mat.js { #Do some stuff }
You can also check before the respond_to block by calling request.xhr?.
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How to write an async method with out parameter?
...-have-ref-or-out-parameters
As for why async methods don't support out-by-reference parameters?
(or ref parameters?) That's a limitation of the CLR. We chose to
implement async methods in a similar way to iterator methods -- i.e.
through the compiler transforming the method into a
state-...
Java unchecked: unchecked generic array creation for varargs parameter
...aken if you assign the array argument to a field that might be manipulated by other methods because determining that there are no unsafe operations performed on it might not be trivial.
– neXus
Nov 10 '17 at 14:29
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How to change the decimal separator of DecimalFormat from comma to dot/point?
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You can change the separator either by setting a locale or using the DecimalFormatSymbols.
If you want the grouping separator to be a point, you can use an european locale:
NumberFormat nf = NumberFormat.getNumberInstance(Locale.GERMAN);
DecimalFormat df = (D...
Is there a cross-browser onload event when clicking the back button?
...y.com/jquery-latest.js
jQuery(window).bind("unload", function() { // ...
By default, it does nothing. But somehow this seems to trigger a reload in Safari, Opera and Mozilla -- no matter what the event handler contains.
[edit(Nickolay): here's why it works that way: webkit.org, developer.mozilla....
What's the difference between CENTER_INSIDE and FIT_CENTER scale types?
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The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.
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Simulate first call fails, second call succeeds
...ng to do this with a void function that just throws an exception, followed by a no behavior step, then you would do something like this:
Mockito.doThrow(new Exception("MESSAGE"))
.doNothing()
.when(mockService).method(eq());
...
preventDefault() on an tag
...s legal/valid. We then enter for <code-here> just an empty statement by adding a semicolon. This way the link does nothing.
– Stijn de Witt
Nov 6 '15 at 13:17
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