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How to upload files to server using JSP/Servlet?
...rt request.", e);
}
// ...
}
It's very important that you don't call getParameter(), getParameterMap(), getParameterValues(), getInputStream(), getReader(), etc on the same request beforehand. Otherwise the servlet container will read and parse the request body and thus Apache Commons Fil...
Struct constructor: “fields must be fully assigned before control is returned to the caller.”
...
@RogerWillcocks, just call the default constructor then: public YourStruct(some params) : this() (see vittore's answer)
– Thomas Levesque
Nov 27 '12 at 2:25
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AI2 Media Notification
...-08-15 Since Android 12 (even earlier?), the app no longer opens automatically when you click on the notification. Fabio told me what needed to be changed. 1.6 (2023-11-23) Adapted to Android 14 Download Usage About notification channels Configuration Foreground service / ...
Maintain/Save/Restore scroll position when returning to a ListView
...e top of the ListView. Then, to restore the ListView's scroll position, we call ListView.setSelectionFromTop() with the index of the item we want and an offset to position its top edge from the top of the ListView.
share
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No route matches “/users/sign_out” devise rails 3
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The ability to make the Logout link a DELETE RESTful call requires an html attribute data-method = "delete" by using the rails code = link_to('Logout', destroy_user_session_path, :method => :delete).
However, if you do not have the gem jquery-ujs installed or are not calli...
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
...rst of all you have to find an image of the back button. I used a nice app called Extractor that extracts all the graphics from iPhone.
In iOS7 I managed to retrieve the image called UINavigationBarBackIndicatorDefault and it was in black colour, since I needed a red tint I change the colour to red ...
What's the best way to share data between activities?
...onContext();
String data = app.getData();
Static fields
The idea is basically the same as the singleton, but in this case you provide static access to the data:
public class DataHolder {
private static String data;
public static String getData() {return data;}
public static void setData(St...
Node.js Best Practice Exception Handling
... // no error occured, continue on
console.log('4/0='+result)
}
For callback-based (ie. asynchronous) code, the first argument of the callback is err, if an error happens err is the error, if an error doesn't happen then err is null. Any other arguments follow the err argument:
var divide = ...
Python set to list
...rror
>>> set=set()
>>> set=set()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'set' object is not callable
The first line rebinds set to an instance of set. The second line is trying to call the instance which of course fails.
...
How to intercept all AJAX requests made by different JS libraries
...ons.
And, the only performance impact is really only one extra function call for each .open() plus whatever code you execute yourself which is probably immaterial when a networking call is involved.
In IE, this won't catch any code that tries to use the ActiveXObject control method of doing Aj...