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Most efficient way to cast List to List
...make absolutely sure to not modify the list in such a way that the subList starts containing items of a different sub type. When dealing with immutable lists this is usually not an issue.
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How to get current time and date in Android
...ll repeat the same value, such as 1410543204000, until the next second has started, at which time 1410543205000 will begin to repeat.
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Maximum size of a element
...efox. Also, if you'd like to try to recreate some of that wrapper code, I started an open-source version of my own thanks to IE's paltry 8K limit: github.com/adam-roth/wrapped-canvas
– aroth
Nov 3 '14 at 6:09
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Adding placeholder text to textbox
...ed another answer to add a placeholder that disappears only after the user starts typing.
– Gabriel Luci
Dec 12 '16 at 17:07
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Iterate through a C++ Vector using a 'for' loop
I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of the for loop is always something based on the vector. In Java I might do something like this with an ArrayList:
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Difference between 'new operator' and 'operator new'?
...hat operator new just allocates raw memory, nothing else. The new operator starts by using operator new to allocate memory, but then it invokes the constructor for the right type of object, so the result is a real live object created in that memory. If that object contains any other objects (either ...
How to show google.com in an iframe?
...rch link like the following. This worked great for me (left 'q=' blank to start with blank search).
<iframe id="if1" width="100%" height="254" style="visibility:visible" src="http://www.google.com/custom?q=&btnG=Search"></iframe>
EDIT:
This answer no longer works. For informatio...
Getting back old copy paste behaviour in tmux, with mouse
... prefix is the tmux access key (Ctrl+B by default unless you re-map it). : starts command mode and set -g sets the parameter globally.
When mouse mode is turned off, the standard copy/paste functions provided by your operating system work as expected.
Something else you might want to do is 'maximi...
Count the number of occurrences of a character in a string in Javascript
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It suffices to set the start index = -2, but thanks a lot @Augustus
– Lorenz Lo Sauer
Nov 24 '13 at 20:10
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How to enable Heap updates on my android client
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On the devices tab, there are a bunch of icons starting with a green bug. To the right of that is the "Update Heap: button which looks like a green cylinder that is half full. Press that button and the heap tab should be enabled. Click "Cause GC" to populate the Heap t...