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How to git reset --hard a subdirectory?
...ollowing use case: I want to get rid of all changes in a specific subdirectory of my Git working tree, leaving all other subdirectories intact.
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“for” vs “each” in Ruby
...e:
each:
irb> [1,2,3].each { |x| }
=> [1, 2, 3]
irb> x
NameError: undefined local variable or method `x' for main:Object
from (irb):2
from :0
for:
irb> for x in [1,2,3]; end
=> [1, 2, 3]
irb> x
=> 3
With the for loop, the iterator variable still lives after ...
What is the best way to programmatically detect porn images? [closed]
... an amazing job at detecting spam comments. But comments are not the only form of spam these days. What if I wanted something like akismet to automatically detect porn images on a social networking site which allows users to upload their pics, avatars, etc?
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Python OpenCV2 (cv2) wrapper to get image size?
...he size of an image in cv2 wrapper in Python OpenCV (numpy). Is there a correct way to do that other than numpy.shape() . How can I get it in these format dimensions: (width, height) list?
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fatal: The current branch master has no upstream branch
...'m trying to push one of my projects to github, and I keep getting this error:
22 Answers
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What's the safest way to iterate through the keys of a Perl hash?
... effects. So, is that true, and is one of the two following methods best, or is there a better way?
9 Answers
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C# Thread safe fast(est) counter
...at is the way to obtain a thread safe counter in C# with best possible performance?
5 Answers
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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()
In Java, what are the performance and resource implications of using
8 Answers
8
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Network tools that simulate slow network connection [closed]
I would like to visually evaluate web pages response time for several Internet connections types (DSL, Cable, T1, dial-up etc.) while my browser and web server are on the same LAN or even on the same machine. Are there any simple network tools or browser plug-ins that slow down network bandwidth to ...
What is an .inc and why use it?
... PHP that include.inc files. What is the meaning of .inc? What it is used for? What are the disadvantages and advantages of using it?
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