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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
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The problem mainly occurs after updating OS X to El Capitan (OS X 10.11) or macOS Sierra (macOS 10.12).
This is because of file permission issues with El Capitan’s or later macOS's new SIP process. Try changing the permissions for the /usr/local directory:
$ sudo chown -R $(w...
Abstraction VS Information Hiding VS Encapsulation
...rady Booch says (in Object Oriented Analysis and Design, page 49, second edition):
Abstraction and encapsulation are complementary concepts: abstraction
focuses on the observable behavior of an object... encapsulation
focuses upon the implementation that gives rise to this behavior...
enca...
Static extension methods [duplicate]
...omeStringExtension(this string s)
{
//whatever..
}
When you then call it:
myString.SomeStringExtension();
The compiler just turns it into:
ExtensionClass.SomeStringExtension(myString);
So as you can see, there's no way to do that for static methods.
And another thing just dawned on me: w...
Setting an int to Infinity in C++
I have an int a that needs to be equal to "infinity". This means that if
6 Answers
6...
Smooth scrolling when clicking an anchor link
...a couple of hyperlinks on my page. A FAQ that users will read when they visit my help section.
29 Answers
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Shell command to sum integers, one per line?
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Bit of awk should do it?
awk '{s+=$1} END {print s}' mydatafile
Note: some versions of awk have some odd behaviours if you are going to be adding anything exceeding 2^31 (2147483647). See comments for more background. One ...
How do you clone a Git repository into a specific folder?
Executing the command git clone git@github.com:whatever creates a directory in my current folder named whatever , and drops the contents of the Git repository into that folder:
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How to Test Facebook Connect Locally
...and Facebook Connect APIs. but when I run the app and press Connect button it's return to the Website not to the test local server which is ( http://localhost:xxxx/test.aspx )
So how I can test Facebook locally (i.e How I can change the callback url) ?
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Getting an object from an NSSet
If you can't get an object with objectAtIndex: from an NSSet then how do you retrieve objects?
8 Answers
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How to print the contents of RDD?
...follow
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edited Apr 17 '15 at 19:34
Jacek Laskowski
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