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How to manually deprecate members

... tvOS, * for all, etc.). You can also specify the version of the platform from which it was introduced, deprecated, obsoleted, renamed, and a message : @available(iOS, deprecated:6.0) func myFunc() { // calling this function is deprecated on iOS6+ } Or @available(iOS, deprecated: 6.0, obsol...
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Forward an invocation of a variadic function in C

...'macro magic', but you are guaranteed that calling the v... style function from a variadic function like this will work: #include <stdarg.h> int m_printf(char *fmt, ...) { int ret; /* Declare a va_list type variable */ va_list myargs; /* Initialise the va_list variable with...
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How to initialize HashSet values by construction?

...would actually return the unmodifiable set introduced in Java 9 as evident from the statement set -> (Set<T>)Set.of(set.toArray()) in the source code. One point to note is that the method Collections.unmodifiableSet() returns an unmodifiable view of the specified set (as per documentation)...
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What is the difference between Int and Integer?

...r) <interactive>:3:2: No instance for (Bounded Integer) arising from a use of `minBound' Possible fix: add an instance declaration for (Bounded Integer) In the expression: minBound In the expression: (minBound, maxBound) :: (Integer, Integer) In an equation for `it': ...
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git checkout tag, git pull fails in branch

...ame problem and fixed it with this command: $ git push -u origin master From the help file the -u basically sets the default for pulls: -u, --set-upstream` For every branch that is up to date or successfully pushed, add upstream (tracking) reference, used by argument-less git-pull(1) and ...
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What is the easiest way to push an element to the beginning of the array?

... between shift and unshift as to which adds to the array and which removes from the array, drop an 'f' from the names mentally and you get an all-too-clear picture as to the direction. (And then you have to remember that these methods don't work on the "end" of the array. ;) – ...
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When should I use a struct instead of a class?

...audit fields in our DTOs and hence wrote a base DTO which others inherited from. – Andrew Grothe Mar 4 '13 at 18:52 1 ...
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Download File Using jQuery

...t: $('a').click(function(e) { e.preventDefault(); //stop the browser from following window.location.href = 'uploads/file.doc'; }); <a href="no-script.html">Download now!</a> Even if there's no Javascript, at least this way the user will get some feedback. ...
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Referencing a string in a string array resource with xml

...ray section (string array, at least), the "RESOURCE REFERENCE" (as you get from an XML) does not specify a way to address the individual items. You can even try in your XML to use "@array/yourarrayhere". I know that in design time you will get the first item. But that is of no practical use if you w...
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Convert string to symbol-able in ruby

...o be able to do and undo an operation. .to_sym can convert one direction (from string to symbol), and .to_s can convert (from symbol to string). and if you are dealing with an array consider .map(&:to_sym) or .map(&to_s) to convert all elements. – jasonleonhard ...