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How do I typedef a function pointer with the C++11 using syntax?
...syntax to a simple left-to-right syntax, which largely eliminates the need for custom typedefs for specific APIs that make it easier to write that API's compound types.
– bames53
May 14 '13 at 0:12
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Creating a dynamic choice field
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you can filter the waypoints by passing the user to the form init
class waypointForm(forms.Form):
def __init__(self, user, *args, **kwargs):
super(waypointForm, self).__init__(*args, **kwargs)
self.fields['waypoints'] = forms.ChoiceField(
choices=[...
Get file size, image width and height before upload
How can I get the file size, image height and width before upload to my website, with jQuery or JavaScript?
7 Answers
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How to upload a file to directory in S3 bucket using boto
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cb=percent_cb, num_cb=10)
[UPDATE]
I am not a pythonist, so thanks for the heads up about the import statements.
Also, I'd not recommend placing credentials inside your own source code. If you are running this inside AWS use IAM Credentials with Instance Profiles (http://docs.aws.amazon.com/...
How can I use optional parameters in a T-SQL stored procedure?
...over another, even with only a very slight difference, can have massive performance implications. The key is to use an index, ignore compact code, ignore worrying about repeating code, you must make a good query execution plan (use an index).
Read this and consider all the methods. Your best meth...
Add a new column to existing table in a migration
...Artisan CLI. Use a specific name to avoid clashing with existing models
for Laravel 3:
php artisan migrate:make add_paid_to_users
for Laravel 5+:
php artisan make:migration add_paid_to_users_table --table=users
You then need to use the Schema::table() method (as you're accessing an existing...
Play an audio file using jQuery when a button is clicked
...t to detect our file is ready to be played.
There is no .stop() function for audio elements. We can only pause them. And when we want to start from the beginning of the audio file we change its .currentTime. We will use this line in our example audioElement.currentTime = 0;. To achieve .stop() fun...
Node.js setting up environment specific configs to be used with everyauth
...w Config();
Then we can access the config object properties exactly as before
conf.twitter.consumerKey
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jQuery $(“#radioButton”).change(…) not firing during de-selection
...his method only works in version 1.7.2 of JQuery. A bug has been submitted for this. See: jsfiddle.net/zn7q2/2 for an example of this bug if you are curious.
– Ray
Aug 22 '13 at 16:32
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Scale Image to fill ImageView width and keep aspect ratio
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@JamesTan fill_parent for width is just a good practice, a fixed size works as well.
– TWiStErRob
Sep 22 '15 at 17:26
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