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How do I check if a string contains another string in Swift?

... and containsIgnoringCase for String extension String { func contains(_ find: String) -> Bool{ return self.range(of: find) != nil } func containsIgnoringCase(_ find: String) -> Bool{ return self.range(of: find, options: .caseInsensitive) != nil } } Older Swift vers...
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Append TimeStamp to a File Name

... to a file using the Path class and string manipulation is not an issue at all. this only an alternative to DateTime.ToString Method (String) or string.Format("{0:yyyy-MM-dd_hh-mm-ss-tt}",DateTime.Now); – Joseph Jun 26 '17 at 11:50 ...
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How does java do modulus calculations with negative numbers?

... get a negative number for negative inputs then you can use this: int r = x % n; if (r > 0 && x < 0) { r -= n; } Likewise if you were using a language that returns a negative number on a negative input and you would prefer positive: int r = x % n; if (r < 0) { r += n; } ...
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Delegates in swift?

...interface MyCustomClass: UIViewController <ClassIWantToUseDelegate>, allowing you to init/configure the viewcontroller, as well as call delegate methods on the subviews? Something similar to this? – Mahmud Ahmad Aug 11 '16 at 22:32 ...
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How do you get a Golang program to print the line number of the error it just called?

...Fatal was ran. Is there no way of getting access to the line number that called log.Fatal? i.e. is there a way to get the line number when throwing an error? ...
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How to create the branch from specific commit in different branch

...f A, you won't get the changes introduced in B. Same here, you had two parallel branches master and dev, which you merged in dev. Branching out from a commit of master (older than the merge) won't provide you with the changes of dev. If you want to permanently integrate new changes from master i...
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How do detect Android Tablets in general. Useragent?

...does another post by Google), but unfortunately it is not being applied by all tablet manufacturers. ... We recommend that manufactures of large-form-factor devices remove "Mobile" from the User Agent... Most Android tablet user-agent strings I've seen use mobile safari, e.g. the Samsung Galax...
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Add context path to Spring Boot application

I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it. ...
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C++ equivalent of Java's toString?

...n case your operator<< wants to print out internals of class A and really needs access to its private and protected members you could also declare it as a friend function: class A { private: friend std::ostream& operator<<(std::ostream&, const A&); int j; }; std::ostrea...
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Java equivalent to #region in C#

... Actually this can be achieved. If you scroll down on this post "Yaqub Ahmad" explains how to get this functionality. Also here is a link (kosiara87.blogspot.com/2011/12/…) that shows you how to add it to your existing eclipse e...