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What's onCreate(Bundle savedInstanceState)
...avedInstanceState in onCreate(Bundle savedInstanceState) I am newbie in Android. I try to understand it from developer.android.com. But I am not able to understand. Can anyone simplify it?
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How do I check if file exists in jQuery or pure JavaScript?
...l, false);
http.send();
return http.status!=404;
}
Small changes and it could check for status HTTP status code 200 (success), instead.
EDIT 2: Since sync XMLHttpRequest is deprecated, you can add a utility method like this to do it async:
function executeIfFileExist(src, callback) {
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Convert Bitmap to File
I understand that using BitmapFactory can convert a File to a Bitmap, but is there any way to convert a Bitmap image to a File?
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Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
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Retrieving the output of subprocess.call() [duplicate]
...Popen() instead. Then you can pass subprocess.PIPE for the stderr, stdout, and/or stdin parameters and read from the pipes by using the communicate() method:
from subprocess import Popen, PIPE
p = Popen(['program', 'arg1'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
output, err = p.communicate(b"input ...
Format string, integer with leading zeros
... the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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Python: How to create a unique file name?
I have a python web form with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea.
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ASP.NET MVC - TempData - Good or bad practice
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I kind of think of temp data as being a fire-and-forget mechanism for notifying the user. Its great to give them a reminder of something they recently did, but I'd also be hesitant to make it a required step in some user process. The reason being if they refresh the p...
How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
...s including the integer reference to the icon in the PendingIntent bundle, and that integer was later being referenced while being posted to the NotificationManager.
In between getting the integer reference and the pending intent going off, the app was updated and all of the drawable references cha...
Python regular expressions return true/false
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Match objects are always true, and None is returned if there is no match. Just test for trueness.
if re.match(...):
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