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What is a lambda expression in C++11?
... }
} f;
std::for_each(v.begin(), v.end(), f);
}
however this is not allowed, f cannot be passed to a template function in C++03.
The new solution
C++11 introduces lambdas allow you to write an inline, anonymous functor to replace the struct f. For small simple examples this can be cleaner t...
How do I trim whitespace from a string?
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Just one space, or all consecutive spaces? If the second, then strings already have a .strip() method:
>>> ' Hello '.strip()
'Hello'
>>> ' Hello'.strip()
'Hello'
>>> 'Bob has a cat'.strip()
'Bob has a cat'
>>&...
How to remove line breaks from a file in Java?
How can I replace all line breaks from a string in Java in such a way that will work on Windows and Linux (ie no OS specific problems of carriage return/line feed/new line etc.)?
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Why doesn't Objective-C support private methods?
...thod. I accept that. But, why is this so? Every explanation I've essentially says, "you can't do it, but here's a close approximation."
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Making Python loggers output all messages to stdout in addition to log file
Is there a way to make Python logging using the logging module automatically output things to stdout in addition to the log file where they are supposed to go? For example, I'd like all calls to logger.warning , logger.critical , logger.error to go to their intended places but in addition al...
How to fully delete a git repository created with init?
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Git keeps all of its files in the .git directory. Just remove that one and init again.
If you can't find it, it's because it is hidden.
In Windows 7, you need to go to your folder, click on Organize on the top left, then click on Fo...
get all characters to right of last dash
... will only fail if either str is null or if it doesn't contain a hyphen at all. (In the case where there's no hyphen it doesn't throw; it returns the entire source string.)
– LukeH
Mar 16 '11 at 15:31
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list every font a user's browser can display
Is there a way in javascript to obtain the names of all fonts (or font-families) that the browser can show? (I want to give the user a dropdown with a list of all available fonts, and allow the user to choose a font.)
I'd prefer not to have to hardcode this list ahead of time or send it down from t...
How to refresh Android listview?
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Call notifyDataSetChanged() on your Adapter object once you've modified the data in that adapter.
Some additional specifics on how/when to call notifyDataSetChanged() can be viewed in this Google I/O video.
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How do I force git pull to overwrite everything on every pull?
...sitory that has three developer repositories pulling and pushing to it normally.
7 Answers
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