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C++0x has no semaphores? How to synchronize threads?
Is it true that C++0x will come without semaphores? There are already some questions on Stack Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread:
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How to modify existing, unpushed commit messages?
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Amending the most recent commit message
git commit --amend
will open your editor, allowing you to change the commit message of the most recent commit. Additionally, you can set the commit message directly in the command line with:
git commit --amend -m "New commit message"
…however, thi...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...r view controller may have the wrong class in your xib.
I downloaded your project.
The error you are getting is
'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused b...
Delete last commit in bitbucket
I made a mistake and I don't know how to delete my latest push in the repository. I pull the latest updates of the app but it has conflicts and I push it to repository.
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How to write an async method with out parameter?
I want to write an async method with an out parameter, like this:
11 Answers
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How to detect if app is being built for device or simulator in Swift
In Objective-C we can know if an app is being built for device or simulator using macros:
20 Answers
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Print text instead of value from C enum
... not strings, and the names assigned to them in the source code are not compiled into your program, and so they are not accessible at runtime.
The only way to get what you want is to write a function yourself that translates the enumeration value into a string. E.g. (assuming here that you move the...
How to skip over an element in .map()?
How can I skip an array element in .map ?
16 Answers
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What Are Some Good .NET Profilers?
What profilers have you used when working with .net programs, and which would you particularly recommend?
30 Answers
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How can I read SMS messages from the device programmatically in Android?
I want to retrieve the SMS messages from the device and display them?
11 Answers
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