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When would anyone use a union? Is it a remnant from the C-only days?
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@Russel C++ classes can not be used from a C program, but C structs/unions can be easily accesed from C++ using an 'extern "C"' block.
– vz0
Jan 25 '11 at 14:54
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Why are there two ways to unstage a file in Git?
...gt; does not unstage a file, it actually stages the removal of the file(s) from the repo (assuming it was already committed before) but leaves the file in your working tree (leaving you with an untracked file).
git reset -- <filePath> will unstage any staged changes for the given file(s).
Th...
What is managed or unmanaged code in programming?
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Here is some text from MSDN about unmanaged code.
Some library code needs to call into unmanaged code (for example, native code APIs, such as Win32). Because this means going outside the security perimeter for managed code, due caution is ...
How to mock ConfigurationManager.AppSettings with moq
...ppSettings["User"];
}
}
}
(You can just extract an interface from your configuration class and then use that interface everywhere in your code)
Then you just mock the IConfiguration. You might be able to implement the facade itself in a few different ways. Above I chose just to wrap th...
How to reset Jenkins security settings from the command line?
Is there a way to reset all (or just disable the security settings) from the command line without a user/password as I have managed to completely lock myself out of Jenkins ?
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xcodebuild says does not contain scheme
...etting up my own projects!
For posterity, or at least anyone getting here from a search, here are two versions of things -- the "I'm busy, so just the facts please" version and a more involved discussion and rationale. Both of these versions assume you are trying to build from a Workspace file; if...
What are the differences between JSON and JSONP?
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Basically, you're not allowed to request JSON data from another domain via AJAX due to same-origin policy. AJAX allows you to fetch data after a page has already loaded, and then execute some code/call a function once it returns. We can't use AJAX but we are allowed to inject...
start MySQL server from command line on Mac OS Lion
...ol installed in System Preference, I want to know the instruction to start from command-line.
I do as follow:
13 Answers
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Getting an element from a Set
... set should be all about. In my case, I'd like to get some complex object from a set by key (String). This String is encapsulated (and unique) to the object being mapped. In fact, the whole object 'revolves' around said key. Furthermore, the caller knows said String, but not the object itself; that...
How to return a result from a VBA function
How do I return a result from a function?
4 Answers
4
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