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Why does an image captured using camera intent gets rotated on some devices on Android?
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This code is for a image already been written to disk, right? I get no results using this method for bitmap about to be written to disk.
– Thracian
Apr 3 '17 at 13:07
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Good examples of Not a Functor/Functor/Applicative/Monad?
...ll semantics as soon as you use any unsafe function.
See the Haskell Wiki for an article on bottom (link) or unsafe functions (link).
I wonder if it is possible to create such a type constructor using a richer type system, such as Agda or Haskell with various extensions.
A type constructor which ...
Unique BooleanField value in Django?
...needed to accomplish this task, what I've done is override the save method for the model and have it check if any other model has the flag already set (and turn it off).
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.BooleanField()
def...
How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
...es both my own and 3rd party. I see the "typings" directory contains some for Jquery and WinRT... but how are they created?
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Detect when browser receives file download
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Show the "waiting" indicator.
Start a timer, and every second or so, look for a cookie named "fileDownloadToken" (or whatever you decide).
If the cookie exists, and its value matches the token, hide the "waiting" indicator.
The server algorithm:
Look for the GET/POST field in the request.
If it...
Is there a performance difference between i++ and ++i in C++?
We have the question is there a performance difference between i++ and ++i in C?
17 Answers
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How to get my IP address programmatically on iOS/macOS?
...ngly it can return a dictionary of all addresses found, skipping addresses for not up interfaces, or addresses associated with loopback. The previous code as well as other solutions on this topic will not properly decode IPv6 (inet_ntoa cannot deal with them). This was pointed out to me by Jens Alfk...
MongoDB Many-to-Many Association
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Obviously for many-to-many relationships with lots of objects you want to use a different solution (like the publisher/book example in the docs). In this case it works fine and would only complicate things if you create separate user-r...
Quick and easy file dialog in Python?
...nts to a database. I don't need a UI, but right now I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to present a file selection dialog to the user, they can select the f...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...se in a single query string. However, if you do not sanitise your inputs beforehand, then you will be vulnerable to certain attack vectors.
Imagine the following SQL:
$result = "SELECT fields FROM table WHERE id = ".mysql_real_escape_string($_POST['id']);
You should be able to see that this is v...