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“Comparison method violates its general contract!”

...ce A > B and B > C, then it must be the case that A > C. However, if your comparator is invoked on A and C, it would return zero, meaning A == C. This violates the contract and hence throws the exception. It's rather nice of the library to detect this and let you know, rather than behave e...
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How to use single storyboard uiviewcontroller for multiple subclass

...ave exactly the same interface but with root view controller of class SpecificViewController1 and SpecificViewController2 which are subclasses of BasicViewController . Those 2 view controllers would have the same functionality and interface except for the IBAction method. It would be like...
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pyplot axes labels for subplots

... ax.grid(False) or plt.grid(False) is also needed if the global plotting parameters include a (visible) grid. – Næreen Oct 17 '17 at 17:31 3 ...
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What is the difference between '>' and a space in CSS selectors?

... other elements inbetween). A B will select any B that are inside A, even if there are other elements between them. share | improve this answer | follow | ...
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How do I trigger the success callback on a model.save()?

...l updates). So what is the purpose of the attribute name-values? (2) What if you just want to save the model after performing some .set()s - why the attribute list? (3) In the docs, the attribute list param is shown as optional. Can you clarify? Thanks. – UpTheCreek ...
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Convert DOS line endings to Linux line endings in Vim

If I open files I created in Windows, the lines all end with ^M . How do I delete these characters all at once? 26 Answers...
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What does the thread_local mean in C++11?

...he thread_local variables are visible to all the threads but can only modified by the thread for which they are defined? Is it correct? ...
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Does Java have a HashMap with reverse lookup?

... You will significantly improve performance of containsValue() by changing it to return valueToKeyMap.containsKey(value) – JT. Apr 23 '13 at 0:46 ...
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How to concatenate two IEnumerable into a new IEnumerable?

...on't forget that the names of actions you want to perform are likely close if not exactly called what you are after. Always browse IntelliSense, you learn a lot. – Adam Houldsworth Jan 31 '14 at 11:02 ...
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How to get JSON response from http.Get

...rl string, target interface{}) error { r, err := myClient.Get(url) if err != nil { return err } defer r.Body.Close() return json.NewDecoder(r.Body).Decode(target) } Example use: type Foo struct { Bar string } func main() { foo1 := new(Foo) // or &Foo{} ...