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Get the first element of an array
...fter reset)
echo key($arr); // Echoes "4"
From PHP's documentation:
mixed reset ( array &$array );
Description:
reset() rewinds array's internal pointer to the first element and returns the value of the first array element, or FALSE if the array is
empty.
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How to Animate Addition or Removal of Android ListView Rows
In iOS, there is a very easy and powerful facility to animate the addition and removal of UITableView rows, here's a clip from a youtube video showing the default animation. Note how the surrounding rows collapse onto the deleted row. This animation helps users keep track of what changed in a li...
Explicit specialization in non-namespace scope [duplicate]
... incompliant in this case: as always :) ? Templates and VC++ don't mix that well :/
– Matthieu M.
Jun 16 '10 at 11:21
10
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Declaring javascript object method in constructor function vs. in prototype [duplicate]
...g methods in the constructor is a good thing if local variables are in the mix because it speeds up access time to them, correct?
– Sethen
Apr 1 '13 at 19:08
3
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Case insensitive 'in'
... could one get?! Not much;-). @Xavier, RHS's that are dicts or sets with mixed-case keys/items need their own non-invasive wrappers (part of the short etc. and "require more effort" parts of my answer;-).
– Alex Martelli
Sep 2 '10 at 18:14
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Can I safely delete contents of Xcode Derived data folder?
...projects again.
Xcode8+ Update
From the Xcode8 that removed project option from the window tab so you can still use first way:
Xcode -> Preferences -> location -> click on small arrow button as i explain in my first answer.
Xcode7.3 Update
For remove particular project's DeriveData y...
Favicon dimensions? [duplicate]
I have a favicon with the dimensions of height=26px / width=20px named favicon.png
10 Answers
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How to write asynchronous functions for Node.js
I've tried to research on how exactly asynchronous functions should be written. After a lot of plowing through a lot of documentation, it's still unclear to me.
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Why does Eclipse complain about @Override on interface methods?
...way, I can just leave the source level at 1.6. I could not get any sort of mixed configuration working, and this seems simplest.
– Stefan Kendall
Jun 12 '09 at 18:32
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Navigation bar show/hide
I have an app with a navigation bar consisting of 2 bar buttons. I would like to hide and show this navigation bar when a user double taps the screen.
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