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Javadoc: package.html or package-info.java

... package-info.java: "This file is new in JDK 5.0, and is preferred over package.html."—javadoc - The Java API Documentation Generator Addendum: The big difference seems to be package annotations. There's a little more in the way of rationale in 7.4 Package Declarations. ...
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what is the preferred way to mutate a React state?

... edited May 31 '14 at 21:45 Brigand 72.4k1717 gold badges147147 silver badges162162 bronze badges answered May 31 '14 at 7:46 ...
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What CSS selector can be used to select the first div within another div

... Agree that it's the ONLY correct answer to the question and it should be accepted. – Ilya Streltsyn Jul 17 '13 at 16:51 ...
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How can I loop through a C++ map of maps?

...ing answers are outdated as of C++11 - you can use a ranged based for loop and simply do: std::map<std::string, std::map<std::string, std::string>> mymap; for(auto const &ent1 : mymap) { // ent1.first is the first key for(auto const &ent2 : ent1.second) { // ent2.first ...
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How to set a stroke-width:1 on only certain sides of SVG shapes?

...ke then you can also use stroke-dasharray to do this, by making the dashes and gaps match up with the sides of the rectangle. rect { fill: none; stroke: black; } .top { stroke-dasharray: 0,50,150 } .left { stroke-dasharray: 150,50 } .bottom { stroke-dasharray: 100,50 } .right { stroke-dasha...
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In jQuery, how do I select an element by its name attribute?

...; }); The event will be caught for all of the radio buttons in the group and the value of the selected button will be placed in val. Update: After posting I decided that Paolo's answer above is better, since it uses one less DOM traversal. I am letting this answer stand since it shows how to get ...
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Can you do greater than comparison on a date in a Rails 3 search?

... also convert everything into the SQL notation Note. where("user_id = ? AND notetype = ? AND date > ?", current_user.id, p[:note_type], p[:date]). order('date ASC, created_at ASC') share | ...
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Get current date in milliseconds

... can read more about this method here. You can also create a NSDate object and get time by calling timeIntervalSince1970 which returns the seconds since 1/1/1970: NSTimeInterval timeInSeconds = [[NSDate date] timeIntervalSince1970]; And in Swift: let timeInSeconds: TimeInterval = Date().timeInt...
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Print All JVM Flags

...IT options. Before dive into sources you can skim over following extracts and find suitable option faster: https://chriswhocodes.com/ (OracleJDK 6/7/8/9/10/11/12, OpenJDK 8/9/10/11, Graal CE/EE, OpenJ9, Zing) http://jvm-options.tech.xebia.fr/ http://www.pingtimeout.fr/2012/05/jvm-options-compl...
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Why does PostgreSQL perform sequential scan on indexed column?

...Also, a sequential scan can request several pages from the heap at a time, and ask the kernel to be fetching the next chunk while it works on the current one- an index scan fetches one page at once. (A bitmap scan does a compromise between the two, you usually see that appearing in a plan for querie...