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Accessing JPEG EXIF rotation data in JavaScript on the client side
...
You can use the exif-js library in combination with the HTML5 File API: http://jsfiddle.net/xQnMd/1/.
$("input").change(function() {
var file = this.files[0]; // file
fr = new FileReader; // to read file contents
fr.onloadend = function() {
// get EXIF data
...
How to throw a C++ exception
... MWE on GitHub, where a backtrace would look something like this:
Library API: Exception caught in function 'api_function'
Backtrace:
~/Git/mwe-cpp-exception/src/detail/Library.cpp:17 : library_function failed
~/Git/mwe-cpp-exception/src/detail/Library.cpp:13 : could not open file "nonexistent.txt"...
How to build & install GLFW 3 and use it in a Linux project
...on this link
http://glad.dav1d.de/#profile=core&specification=gl&api=gl%3D3.3&api=gles1%3Dnone&api=gles2%3Dnone&api=glsc2%3Dnone&language=c&loader=on
and then click on the "Generate" button at the bottom right corner of the website and download the zip file. Extract it...
Use of *args and **kwargs [duplicate]
... much about Foo. This can be quite convenient if you are programming to an API which might change. MyFoo just passes all arguments to the Foo class.
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START_STICKY and START_NOT_STICKY
...ntation.
Source: http://android-developers.blogspot.com.au/2010/02/service-api-changes-starting-with.html
The key part here is a new result code returned by the function,
telling the system what it should do with the service if its process
is killed while it is running:
START_STICKY is basically th...
Asynchronous vs Multithreading - Is there a difference?
...s the event to your application.
Frequently higher-level abstractions and APIs don't expose the underlying asynchronous API's available from the OS and the underlying hardware. In those cases it's usually easier to create threads to do asynchronous operations, even if the spawned thread is just wa...
How to have stored properties in Swift, the same way I had on Objective-C?
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Associated objects API is a bit cumbersome to use. You can remove most of the boilerplate with a helper class.
public final class ObjectAssociation<T: AnyObject> {
private let policy: objc_AssociationPolicy
/// - Parameter poli...
Render HTML to an image
...low and even slower if the html contains external links
Option 4: Use an API
ApiFlash (based on chrome)
EvoPDF (has an option for html)
Grabzit
HTML/CSS to Image API
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Pros
Execute Javascript
Near perfect rendering
Fast when caching options are correctly used
Scale is handled by the APIs
P...
Rails 4: List of available datatypes
...t
:primary_key
:references
:string
:text
:time
:timestamp
Source: http://api.rubyonrails.org/classes/ActiveRecord/ConnectionAdapters/SchemaStatements.html#method-i-add_column
These are the same as with Rails 3.
If you use PostgreSQL, you can also take advantage of these:
:hstore
:json
:jsonb
:a...
How to change theme for AlertDialog
... Don't use @android:style/AlertDialog. It is not in the public API. As a consequence, in Android 2.3.3, it crashes when creating the builder.
– Catalin Morosan
Mar 14 '11 at 12:56
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