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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
I noticed that with the optional parameters in C# 4 if you specify an optional parameter on an interface you don,t have to make that parameter optional on any implementing class:
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Fill between two vertical lines in matplotlib
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For example, let's use axvspan to highlight the x-region between 8 and 14:
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
ax.plot(range(20))
ax.axvspan(8, 14, alpha=0.5, color='red')
plt.show()
You could use fill_betweenx to do this, but the extents (both x and y) of the rectangl...
Ruby sleep or delay less than a second?
I'm making a script with ruby that must render frames at 24 frames per second, but I need to wait 1/24th of a second between sending the commands. What is the best way to sleep for less than a second?
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How to change current working directory using a batch file
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4 Answers
4
Active
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What does the 'L' in front a string mean in C++?
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141
It's a wchar_t literal, for extended character set. Wikipedia has a little discussion on this t...
How do I determine which iOS SDK I have?
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154
If you type this:
$> xcodebuild -showsdks
it gives something like this:
$> OS X SDKs:
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Reset keys of array elements in php?
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edited Jun 7 '18 at 19:04
Riz-waan
54322 silver badges1212 bronze badges
answered May 8 '12 at 5:09
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Style child element when hover on parent
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284
Yes, you can definitely do this. Just use something like
.parent:hover .child {
/* ... */
}
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Build Maven Project Without Running Unit Tests
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457
If you want to skip running and compiling tests:
mvn -Dmaven.test.skip=true install
If you...
How to revert a folder to a particular commit by creating a patch
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54
You can use git reset to reset the index which will also include removing files that were added ...