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Android Use Done button on Keyboard to click button
Ok in my app I have a field for the user to input a number. I have the field set to only accept numbers. When the user clicks on the field it brings up the keyboard. On the keyboard (on ICS) there is a done button. I would like for the done button on the keyboard to trigger the submit button i have ...
How to convert list of key-value tuples into dictionary?
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This gives me the same error as trying to split the list up and zip it. ValueError: dictionary update sequence element #0 has length 1916; 2 is required
THAT is your actual question.
The answer is that the elements of your list are not what you thi...
How can I update a single row in a ListView?
...ll notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is getting called too frequently, since notifyDataSetChanged() calls getView() for all visible items. I want to update just the single item in the list. How would I do this?
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What are the differences among grep, awk & sed? [duplicate]
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Short definition:
grep: search for specific terms in a file
#usage
$ grep This file.txt
Every line containing "This"
Every line containing "This"
Every line containing "This"
Every line containing "This"
$ cat file.txt
Every...
How to format a phone number with jQuery
...playing phone numbers like 2124771000 . However, I need the number to be formatted in a more human-readable form, for example: 212-477-1000 . Here's my current HTML :
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How to access component methods from “outside” in ReactJS?
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React provides an interface for what you are trying to do via the ref attribute. Assign a component a ref, and its current attribute will be your custom component:
class Parent extends React.Class {
constructor(props) {
this._child = React.c...
Why are flag enums usually defined with hexadecimal values
A lot of times I see flag enum declarations that use hexadecimal values. For example:
6 Answers
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How to Get the Current URL Inside @if Statement (Blade) in Laravel 4?
...f
Laravel offers a method to find out, whether the URL matches a pattern or not
if (Request::is('admin/*'))
{
// code
}
Check the related documentation to obtain different request information: http://laravel.com/docs/requests#request-information
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How can I get the line number which threw exception?
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If you need the line number for more than just the formatted stack trace you get from Exception.StackTrace, you can use the StackTrace class:
try
{
throw new Exception();
}
catch (Exception ex)
{
// Get stack trace for the exception with source...
Efficient way to remove keys with empty strings from a dict
I have a dict and would like to remove all the keys for which there are empty value strings.
17 Answers
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