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Date: 2017-10-01
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xcode-select active developer directory error
tags: xcode, osx, command-line-tool
278 votes, 10 answers and 141499 views
\r\n Saw the following error when running an npm install which required node-gyp.. but could be triggered by anything which requires xcode-select\r\n xcode-select: error: tool 'xcodebuild' requires Xcode, ...\r\n
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What is the difference between statically typed and dynamically typed languages?
tags: programming-languages, static-typing, dynamic-typing
520 votes, 12 answers and 216261 views
\r\n I hear a lot that new programming languages are dynamically typed but what does it actually mean when we say a language is dynamically typed vs. statically typed?\r\n
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How do you assert that a certain exception is thrown in JUnit 4 tests?
tags: java, exception, junit, junit4, assert
1344 votes, 26 answers and 747161 views
\r\n How can I use JUnit4 idiomatically to test that some code throws an exception?\n\nWhile I can certainly do something like this:\n\n@Test\npublic void testFooThrowsIndexOutOfBoundsException() {\n boolean ...\r\n
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What is the difference between visibility:hidden and display:none?
tags: css, visibility
785 votes, 15 answers and 345902 views
\r\n The CSS rules visibility:hidden and display:none both result in the element not being visible. Are these synonyms?\r\n
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Is it possible to add dynamically named properties to JavaScript object?
tags: javascript
482 votes, 14 answers and 352810 views
\r\n In JavaScript, I've created an object like so:\n\nvar data = {\n 'PropertyA': 1,\n 'PropertyB': 2,\n 'PropertyC': 3\n};\r\nIs it possible to add further properties to this object after it's initial ...\r\n
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What is the difference between ++i and i++?
tags: c, for-loop, post-increment, pre-increment
557 votes, 17 answers and 558179 views
\r\n In C, what is the difference between using ++i and i++, and which should be used in the incrementation block of a for loop?\r\n
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tags: c#, linq, join
298 votes, 16 answers and 340769 views
\r\n How to perform left outer join in C# LINQ to objects without using join-on-equals-into clauses? Is there any way to do that with where clause?\nCorrect problem: \nFor inner join is easy and I have a ...\r\n
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Difference between proxy server and reverse proxy server
tags: proxy, webserver, terminology, reverse-proxy
1144 votes, 16 answers and 399304 views
\r\n What is the difference between proxy server and reverse proxy server?\r\n
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Smooth scrolling when clicking an anchor link
tags: javascript, jquery, scroll, hyperlink, anchor
288 votes, 18 answers and 484985 views
\r\n I have a couple of hyperlinks on my page. A FAQ that users will read when they visit my help section.\n\nUsing Anchor links, I can make the page scroll towards the anchor and guide the users there.\n\nIs ...\r\n
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tags: unix, grep
1130 votes, 22 answers and 979526 views
\r\n How do I recursively grep all directories and subdirectories?\n\nfind . | xargs grep "texthere" *\r\n