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Rails hidden field undefined method 'merge' error
... also write <%= hidden_field_tag :service, "test" %> when not using form_for |f| ...
– Augustin Riedinger
Sep 24 '14 at 13:30
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Difference between 'self' and 'total' in Chrome CPU Profile of JS
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self is how much time was spent doing work directly in that function.
total is how much time was spent in that function, and in the functions it called.
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How To fix white screen on app Start up?
I have an android app which displays a white screen for 2 seconds on startup. My other apps don't do this, but this one does. I have also implemented a splashscreen with the hope that it would fix this. Should I increase my splash screen sleep time?
Thanks.
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How to change MySQL data directory?
Is it possible to change my default MySQL data directory to another path? Will I be able to access the databases from the old location?
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Python nested functions variable scoping [duplicate]
...almost all the other questions about the topic, but my code still doesn't work.
10 Answers
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CSS: transition opacity on mouse-out?
...ct the mouse-over event, but only mouse-out, you can turn transitions off for the :hover state :
.item:hover {
-webkit-transition: none;
-moz-transition: none;
-ms-transition: none;
-o-transition: none;
transition: none;
zoom: 1;
filter: alpha(opacity=50);
opacity: 0.5;
}
Demo: ht...
CSS selector with period in ID
The HTML spec allows for periods (.) in an id:
2 Answers
2
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Confused about __str__ on list in Python [duplicate]
...ing an object uses str(); printing a list containing an object uses str() for the list itself, but the implementation of list.__str__() calls repr() for the individual items.
So you should also overwrite __repr__(). A simple
__repr__ = __str__
at the end of the class body will do the trick.
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How do I get the height and width of the Android Navigation Bar programmatically?
...ovable in Android. It has been part of Android since 3.0 as a replacement for hardware buttons. Here is a picture:
18 Answe...
How do I parse JSON with Objective-C?
...ns only as a fallback if you find that class unavailable at runtime.
So, for example:
NSData *returnedData = ...JSON data, probably from a web request...
// probably check here that returnedData isn't nil; attempting
// NSJSONSerialization with nil data raises an exception, and who
// knows how y...