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What is the copy-and-swap idiom?
...s arguably the most nuanced and difficult. How should it be done? What pitfalls need to be avoided?
The copy-and-swap idiom is the solution, and elegantly assists the assignment operator in achieving two things: avoiding code duplication, and providing a strong exception guarantee.
How does it wor...
Set width of TextView in terms of characters
Really looking for an answer to this .
3 Answers
3
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python pip: force install ignoring dependencies
Is there any way to force install a pip python package ignoring all it's dependencies that cannot be satisfied?
2 Answers
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Ruby sleep or delay less than a second?
...definitely extract the constant, and definitely not do it with the reason "all the performance you can get"
– Blake
Jul 29 '14 at 10:58
4
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Map to String in Java
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Use Object#toString().
String string = map.toString();
That's after all also what System.out.println(object) does under the hoods. The format for maps is described in AbstractMap#toString().
Returns a string representation of this map. The string representation consists of a list of key-v...
Regular expression: find spaces (tabs/space) but not newlines
... You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're targeting, such as [ \t\u3000].
If you're using Perl or PCRE, you have the option of...
Creating a blocking Queue in .NET?
...threads reading from the same queue. If the queue reaches a specific size all threads that are filling the queue will be blocked on add until an item is removed from the queue.
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Adding a build configuration in Xcode
...roject as in the screenshot, YES, I selected Info tab THEN my project) but all those options are still greyed out?
– Can Poyrazoğlu
Sep 5 '16 at 7:09
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Installing CocoaPods: no response
Trying to install CocoaPods from the terminal:
6 Answers
6
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Print current call stack from a method in Python code
In Python, how can I print the current call stack from within a method (for debugging purposes).
7 Answers
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