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how can you easily check if access is denied for a file in .NET?
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I have done this countless times in the past, and nearly every time I've done it I was wrong to even make the attempt.
File permissions (even file existence) are volatile — they can change at any time. Thanks to Murphy's Law this especially includes the ...
“implements Runnable” vs “extends Thread” in Java
From what time I've spent with threads in Java, I've found these two ways to write threads:
42 Answers
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Force CloudFront distribution/file update
I'm using Amazon's CloudFront to serve static files of my web apps.
13 Answers
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How to update maven repository in Eclipse?
Assuming you're already using the m2eclipse plugin , what can you do when it doesn't update the dependencies to the latest in your repo?
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Word wrap for a label in Windows Forms
...ly (only width). To get this right you will need to subclass the label and include vertical resize logic.
Basically what you need to do in OnPaint is:
Measure the height of the text (Graphics.MeasureString).
If the label height is not equal to the height of the text set the height and return.
Dra...
How can I make the Android emulator show the soft keyboard?
I'm debugging an issue with the soft keyboard display not displaying when it should. However, I don't have a device handy for testing. The problem is that the emulator never shows the soft keyboard .
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Flatten nested dictionaries, compressing keys
... would flatten a nested list, you just have to do the extra work for iterating the dict by key/value, creating new keys for your new dictionary and creating the dictionary at final step.
import collections
def flatten(d, parent_key='', sep='_'):
items = []
for k, v in d.items():
ne...
How to prevent going back to the previous activity?
... is pressed on the phone, I want to prevent a specific activity from returning to its previous one.
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Bin size in Matplotlib (Histogram)
I'm using matplotlib to make a histogram.
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What algorithms compute directions from point A to point B on a map?
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Speaking as someone who spent 18 months working at a mapping company, which included working on the routing algorithm... yes, Dijkstra's does work, with a couple of modifications:
Instead of doing Dijkstra's once from source to ...