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powershell - extract file name and extension
I need to extract file name and extension from e.g. my.file.xlsx. I don't know the name of file or extension and there may be more dots in the name, so I need to search the string from the right and when I find first dot (or last from the left), extract the part on the right side and the part on the...
What is the difference between & vs @ and = in angularJS
...llo") or it could be an AngularJS interpolated string with embedded expressions (myattr="my_{{helloText}}"). Think of it as "one-way" communication from the parent scope into the child directive. John Lindquist has a series of short screencasts explaining each of these. Screencast on @ is here: ht...
How do I correctly detect orientation change using Phonegap on iOS?
I found this orientation test code below looking for JQTouch reference material. This works correctly in the iOS simulator on mobile Safari but doesn’t get handled correctly in Phonegap. My project is running into the same issue that is killing this test page. Is there a way to sense the orientati...
In Gradle, how do I declare common dependencies in a single place?
...when you can define a dependency in the <dependencyManagement> section of the parent POM, and reference that dependency from child modules without specifying the version or scope or whatever.
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How to use the same C++ code for Android and iOS?
Android with NDK has support to C/C++ code and iOS with Objective-C++ has support too, so how can I write applications with native C/C++ code shared between Android and iOS?
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Browse the files created on a device by the iOS application I'm developing, on workstation?
I'm developing an IOS app that creates files on the device, e.g. with NSKeyedArchiver .
6 Answers
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How to write PNG image to string with the PIL?
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You can use the BytesIO class to get a wrapper around strings that behaves like a file. The BytesIO object provides the same interface as a file, but saves the contents just in memory:
import io
with io.BytesIO() as output:
image.save(outpu...
iOS app icon with transparent background showing black background on device
... a black background behind the edges as if it wasn't transparent. Any solutions?
2 Answers
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Best approach to real time http streaming to HTML5 video client
...experience in this space, having spent many hours trying different combinations.
9 Answers
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How do I write JSON data to a file?
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You forgot the actual JSON part - data is a dictionary and not yet JSON-encoded. Write it like this for maximum compatibility (Python 2 and 3):
import json
with open('data.json', 'w') as f:
json.dump(data, f)
On a modern system (i.e. Python 3 and UTF-8 support), you...