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“unrecognized selector sent to instance” error in Objective-C
I created a button and added an action for it, but as soon as it invoked, I got this error:
38 Answers
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CSV file written with Python has blank lines between each row
...each \n into \r\n.
In Python 3 the required syntax changed (see documentation links below), so open outfile with the additional parameter newline='' (empty string) instead.
Examples:
# Python 2
with open('/pythonwork/thefile_subset11.csv', 'wb') as outfile:
writer = csv.writer(outfile)
# Pyt...
Assign an initial value to radio button as checked
...id html, but if you needed to do this in MVC you can set true in the third param.
eg:
<p>Option One :@Html.RadioButton("options", "option1", true})</p>
// true will set it checked
<p>Option Two :@Html.RadioButton("options", "option2"})</p>
//nothing will ...
How set background drawable programmatically in Android
...urned
* drawable will be styled for the specified Context's theme.
*
* @param id The desired resource identifier, as generated by the aapt tool.
* This integer encodes the package, type, and resource entry.
* The value 0 is an invalid identifier.
* @return Drawable An obj...
How to write lists inside a markdown table?
... answered Nov 14 '13 at 11:52
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What is the difference between angular-route and angular-ui-router?
I'm planning to use AngularJS in my big applications. So I'm in the process to find out the right modules to use.
15 Answ...
Thread vs ThreadPool
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Thread pool will provide benefits for frequent and relatively short operations by
Reusing threads that have already been created instead of creating new ones (an expensive process)
Throttling the rate of thread creation when there is a burst of requests for new work items (I believe this is only ...
JavaScript, Node.js: is Array.forEach asynchronous?
I have a question regarding the native Array.forEach implementation of JavaScript: Does it behave asynchronously?
For example, if I call:
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Keep overflow div scrolled to bottom unless user scrolls up
....scrollTop = element.scrollHeight;
[EDIT], to match the comment...
function updateScroll(){
var element = document.getElementById("yourDivID");
element.scrollTop = element.scrollHeight;
}
whenever content is added, call the function updateScroll(), or set a timer:
//once a second
setIn...
Vibrate and Sound defaults on notification
...because there's is a small chance of user device use Color(RGB) for a ARGB param and you will get the wrong color. This Happened with me.
– Beto Caldas
Oct 24 '14 at 19:47
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