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How to access a mobile's camera from a web app?
In my web app (not native app) for mobiles, I want to take a photo and upload it, but I don't want to use Adobe Flash. Is there any way to do this?
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File system that uses tags rather than folders?
...indie-rock good year=1999
$ tmsu tag melody.mp3 music
$ tmsu tag DC123.jpg photo landscape country=italy year=2014
$ tmsu files music year = 1999
./song.mp3
And the virtual filesystem:
$ mkdir mp
$ tmsu mount mp
$ ls mp
query tags
$ ls tags
country genre good landscape photo music year
$ l...
Dialog to pick image from gallery or from camera
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The code below can be used for taking a photo and for picking a photo. Just show a dialog with two options and upon selection, use the appropriate code.
To take picture from camera:
Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityFo...
Uniq by object attribute in Ruby
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Use Array#uniq with a block:
@photos = @photos.uniq { |p| p.album_id }
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How to read the RGB value of a given pixel in Python?
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photo = Image.open('IN.jpg') #your image
photo = photo.convert('RGB')
width = photo.size[0] #define W and H
height = photo.size[1]
for y in range(0, height): #each pixel has coordinates
row = ""
for x in range(0, wi...
What is this 'Lambda' everyone keeps speaking of?
...[name];
};
Later on, we may notice that we have a similar function:
var photos = [];
var getPhoto = function (name) {
if (! photo[name]) {
// expensive operations to get a user. Ajax for example
photos[name] = photo_from_ajax;
}
return photos[name];
};
There's clear...
Algorithm to detect corners of paper sheet in photo
...e best way to detect the corners of an invoice/receipt/sheet-of-paper in a photo? This is to be used for subsequent perspective correction, before OCR.
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jQuery AJAX file upload PHP
...tyle="color:red"></span><br/>
<input type="file" id="photo"><br/>
<script type="text/javascript" src="jquery-3.2.1.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(document).on('change','#photo',function(...
Ruby: How to post a file via HTTP as multipart/form-data?
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@matthias I'm trying to upload photo with OAuth gem, but failed. could you give me some example of your monkeypatch?
– Hooopo
May 16 '11 at 8:01
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What's the best manner of implementing a social activity stream? [closed]
...the activity
type is the type of the activity (i.e. Wrote blog post, added photo, commented on user's photo)
data is a serialized object with meta-data for the activity where you can put in whatever you want
This limits the searches/lookups, you can do in the feeds, to users, time and activity typ...