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Pointer to pointer clarification
...lue of ipp. So, ipp still points to ip1 (the value of ipp), ip1's value is now the same as ip2's value, so they both point to j.
This:
*ipp = ip2;
is the same as:
ip1 = ip2;
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What does the exclamation mark do before the function?
...ation. You would need an invocation, foo(), to actually run the function.
Now, when we add the seemingly innocuous exclamation mark: !function foo() {} it turns it into an expression. It is now a function expression.
The ! alone doesn't invoke the function, of course, but we can now put () at the ...
git: 'credential-cache' is not a git command
...e msysgit has been superseded by Git for Windows, using Git for Windows is now the easiest option. Some versions of the Git for Windows installer (e.g. 2.7.4) have a checkbox during the install to enable the Git Credential Manager. Here is a screenshot:
Still using msysgit? For msysgit versions ...
Receive result from DialogFragment
...tCode == 1) { // 1 is an arbitrary number, can be any int
// Now do what you need to do after the dialog dismisses.
}
}
}
The requestCode is basically your int label for the DialogFragment you called, I'll show how this works in a second. The resultCode is the code tha...
Does Foreign Key improve query performance?
...pretty much useless because it doesn't answer the question. It's great to know that foreign keys are not intended to have a (positive) effect on performance, but the question was concerning reality, not intentions.
– John
Mar 15 '17 at 16:04
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What goes into your .gitignore if you're using CocoaPods?
I've been doing iOS development for a couple of months now and just learned of the promising CocoaPods library for dependency management.
...
Using Laravel Homestead: 'no input file specified'
...ou need to have your homestead.yaml file settings correct. If you want to know how its done follow Jeffery Way tutorial on homestead 2.0 https://laracasts.com/lessons/say-hello-to-laravel-homestead-two.
Now to fix Input not specified issue you need to ssh into homestead box and type
serve domain...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...
NOTE: PyPy is more mature and better supported now than it was in 2013, when this question was asked. Avoid drawing conclusions from out-of-date information.
PyPy, as others have been quick to mention, has tenuous support for C extensions. It has support, but typical...
How to install the current version of Go in Ubuntu Precise
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This is annoying now that you have to bootstrap 1.5+ with a 1.4+ build.
– jocull
Jan 2 '16 at 17:17
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What is the difference between Step Into and Step Over in the Eclipse debugger?
I want to debug the whole flow of a Java program. What is the difference between F5 (step into) and F6 (step over) in eclipse?
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