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How to detect when cancel is clicked on file input?
...dden inputs (a definite perk if you're using a visual workaround for the crappy default input type='file'). After that, you just need to figure out if the input value changed.
An example:
var godzilla = document.getElementById('godzilla')
godzilla.onclick = charge
function charge()
{
documen...
importing pyspark in python shell
...d $SPARK_HOME/python/build to PYTHONPATH:
export SPARK_HOME=/Users/pzhang/apps/spark-1.1.0-bin-hadoop2.4
export PYTHONPATH=$SPARK_HOME/python:$SPARK_HOME/python/build:$PYTHONPATH
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How do I save a UIImage to a file?
...
Of course you can create subfolders in the documents folder of your app. You use NSFileManager to do that.
You use UIImagePNGRepresentation to convert your image to NSData and save that to disk.
// Create path.
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUser...
Microsoft Azure: How to create sub directory in a blob container
...ng '/' in the file name, but this has many limitations (for example, what happen if you need to rename a "folder"?).
As a general rule, I would keep my files as flat as possible in a container, and have my application manage whatever structure I want to expose to the end users (for example manage a...
Convert JSON String to JSON Object c#
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app.quicktype.io/#l=C%23 and jsonplaceholder.typicode.com
– Kiquenet
Aug 14 at 10:01
add a comment
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Get protocol + host name from URL
In my Django app, I need to get the host name from the referrer in request.META.get('HTTP_REFERER') along with its protocol so that from URLs like:
...
How do I reference a Django settings variable in my models.py?
...e to a project deployed in several environments, do not try to import from app.settings. Overwritten variables in the other files won't take effect. Always use the import mentioned in this answer. It took me a few hours to realize what was going on in my project.
– Ev.
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how to get android screen size programmatically, once and for all?
...alues. It is correct that isn't precisely the display metrics, but if your application is full screen it should always be the full screen size filtered through the compatibility translator. Other applications won't have access to your application's Window, so there is no need to worry about some oth...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
... like running rails from under RubyMine where .bash_profile doesn't really apply.
– maksimov
Jan 12 '13 at 0:58
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How to compare UIColors?
...For an intro to blocks in iOS, see raywenderlich.com/9328/creating-a-diner-app-using-blocks-part-1
– JRG-Developer
Feb 10 '14 at 19:11
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