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java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
I'm using the support library for my app. In my FragmentActivity I'm using an AsyncTask for downloading data from internet. In the onPreExecute() method I add a Fragment and in the onPostExecute() method I remove it again. When the orientation is changed in between, I get the above mentioned excepti...
How do I access an access array item by index in handlebars?
...
Indeed, @Matt, that is not just some lucky format, but is kind of the documented syntax. (See my answer.)
– Arjan
May 16 '13 at 22:33
5
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How can I make a multipart/form-data POST request using Java?
...n the days of version 3.x of Apache Commons HttpClient, making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient .
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How do you post to an iframe?
...you mean by "post data". You can use the HTML target="" attribute on a <form /> tag, so it could be as simple as:
<form action="do_stuff.aspx" method="post" target="my_iframe">
<input type="submit" value="Do Stuff!">
</form>
<!-- when the form is submitted, the server ...
How to redirect to a 404 in Rails?
...itional statements.
As a bonus, it's also super easy to handle in tests. For example, in an rspec integration test:
# RSpec 1
lambda {
visit '/something/you/want/to/404'
}.should raise_error(ActionController::RoutingError)
# RSpec 2+
expect {
get '/something/you/want/to/404'
}.to raise_err...
Run an exe from C# code
.../ </summary>
static void LaunchCommandLineApp()
{
// For the example
const string ex1 = "C:\\";
const string ex2 = "C:\\Dir";
// Use ProcessStartInfo class
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.CreateNoWindow = f...
SQLite select where empty?
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@Pacerier: There may be some difference in performance, but other than that it's just a matter of style.
– Guffa
Oct 15 '11 at 16:21
3
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Is there a way to create your own html tag in HTML5?
... all of the tag names you want to use, and then creating each one inside a for-loop, in your page head, before you start using any of them. That's how the html5shim works in the first place. Just be prepared to put effort into styling them in old-IE. Also, while I'd say this is okay for internal-...
getString Outside of a Context or Activity
I've found the R.string pretty awesome for keeping hardcoded strings out of my code, and I'd like to keep using it in a utility class that works with models in my application to generate output. For instance, in this case I am generating an email from a model outside of the activity.
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How to get jQuery dropdown value onchange event
...0">Inactive</option>
</select>
Then you can use this code for getting value:
$(function(){
$("#status").change(function(){
var status = this.value;
alert(status);
if(status=="1")
$("#icon_class, #background_class").hide();// hide multiple sections
});
});
...