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Android and setting alpha for (image) view alpha
...etAlpha(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
s...
Send a file via HTTP POST with C#
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Using .NET 4.5 (or .NET 4.0 by adding the Microsoft.Net.Http package from NuGet) there is an easier way to simulate form requests. Here is an example:
private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream para...
What's the best way to add a drop shadow to my UIView
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280
Try this:
UIBezierPath *shadowPath = [UIBezierPath bezierPathWithRect:view.bounds];
view.layer....
Python Progress Bar
... something very simple would do:
import time
import sys
toolbar_width = 40
# setup toolbar
sys.stdout.write("[%s]" % (" " * toolbar_width))
sys.stdout.flush()
sys.stdout.write("\b" * (toolbar_width+1)) # return to start of line, after '['
for i in xrange(toolbar_width):
time.sleep(0.1) # do ...
Python try…except comma vs 'as' in except
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The definitive document is PEP-3110: Catching Exceptions
Summary:
In Python 3.x, using as is required to assign an exception to a variable.
In Python 2.6+, use the as syntax, since it is far less ambiguous and forward compatible with Python 3.x.
In Python ...
Using port number in Windows host file
After installing TeamViewer, I have changed the wampserver port to 8080, so the address is http://localhost:8080.
10 Answe...
WPF Command Line
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answered Jan 8 '09 at 23:13
Matt HamiltonMatt Hamilton
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Creating range in JavaScript - strange syntax
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+1000
Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.app...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get:
16 Answers
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