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How to read a line from the console in C?

...r * getline(void) { char * line = malloc(100), * linep = line; size_t lenmax = 100, len = lenmax; int c; if(line == NULL) return NULL; for(;;) { c = fgetc(stdin); if(c == EOF) break; if(--len == 0) { len = lenmax; ...
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pinterest api documentation [closed]

...st of them are easy to guess). All of the above endpoints require an access_token parameter except for the login endpoint. To generate a valid access_token, the developer will need to be granted access to the API by Pinterest which we all know is currently almost impossible. Another option is to w...
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What does this symbol mean in JavaScript?

...ncatenation, and subtraction operators; unary sign operators What does = +_ mean in JavaScript, Single plus operator in javascript What's the significant use of unary plus and minus operators? Why is [1,2] + [3,4] = "1,23,4" in JavaScript? Why does JavaScript handle the plus and minus operators bet...
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Find all records which have a count of an association greater than zero

...istinct As an example [10] pry(main)> Comment.distinct.pluck :article_id => [43, 34, 45, 55, 17, 19, 1, 3, 4, 18, 44, 5, 13, 22, 16, 6, 53] [11] pry(main)> _.size => 17 [12] pry(main)> Article.joins(:comments).size => 45 [13] pry(main)> Article.joins(:comments).distinct.size ...
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What are the use cases for selecting CHAR over VARCHAR in SQL?

...omerNumber on a demographic table, or CodeID on a decode table, or perhaps OrderNumber on an order table. By using char, the query engine can more quickly perform the join because it can do straight pointer arithmetic (deterministically) rather than having to move it's pointers a variable amount of...
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What is DOM Event delegation?

... to "rebind" the "onclick" event handler to the new <li> element, in order for it to act the same way as its siblings. With event delegation you don't need to do anything. Just add the new <li> to the list and you're done. This is absolutely fantastic for web apps with event handlers bo...
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Strip whitespace from jsp output

...rectiveWhitespaces here: java.sun.com/developer/technicalArticles/J2EE/jsp_21 and here raibledesigns.com/rd/entry/trim_spaces_in_your_jsp1 – wavetree Aug 20 '12 at 13:40 3 ...
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Retrieving Property name from lambda expression

...n u.Operand is MemberExpression m => m.Member.Name, _ => throw new NotImplementedException(expression.GetType().ToString()) }; share | improve this answ...
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How to capture the browser window close event?

...g anchor tags: var inFormOrLink; $('a[href]:not([target]), a[href][target=_self]').live('click', function() { inFormOrLink = true; }); $('form').bind('submit', function() { inFormOrLink = true; }); $(window).bind('beforeunload', function(eventObject) { var returnValue = undefined; if (! in...
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How do I join two lists in Java?

... For the casual reader, here is a shorter solution using also Java _ Streams: stackoverflow.com/a/34090554/363573 – Stephan Oct 4 '16 at 13:16 7 ...