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Regular cast vs. static_cast vs. dynamic_cast [duplicate]

... twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e. ...
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Remove all the children DOM elements in div

...by references from other JS objects. For example: a gfx surface references all its children, a group references all its children too, and so on. Deleting just DOM nodes is not enough. – Eugene Lazutkin Jul 2 '13 at 22:16 ...
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How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?

...t an int to String, make use of String#valueOf(). If your intent is after all to arrange and display them in a human friendly string format, then better use either Java8's java.time.format.DateTimeFormatter (tutorial here), LocalDateTime now = LocalDateTime.now(); String format1 = now.format(DateTi...
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Python super() raises TypeError

...You have to design any methods that need to multiply-inherit (most notably __init__) to pass through arguments in a clean and sensible way, otherwise you'll get TypeErrors or worse debugging problems when someone tries to multiply-inherit using your class. Unless you've really designed to support MI...
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How do I iterate over a JSON structure? [duplicate]

... Similarly, lodash offers _.forEach (alias _.each for underscore compatibility) to accomplish the same. – Ville Oct 25 '14 at 5:29 ...
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PHP + curl, HTTP POST sample code?

...y simple PHP example that sends a HTTP POST to a remote site // $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,"http://www.example.com/tester.phtml"); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, "postvar1=value1&postvar2=value2&postvar3=value3"); /...
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Create timestamp variable in bash script

...cial documentation here: https://www.gnu.org/software/coreutils/manual/html_node/Time-conversion-specifiers.html#Time-conversion-specifiers share | improve this answer | foll...
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What is two way binding?

...ners). Other frameworks like Knockout do wire up two-way binding automagically. In Backbone, you can easily achieve #1 by binding a view's "render" method to its model's "change" event. To achieve #2, you need to also add a change listener to the input element, and call model.set in the handle...
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How to retrieve Request Payload

...); $data then contains the json data is php array. php://input is a so called wrapper. php://input is a read-only stream that allows you to read raw data from the request body. In the case of POST requests, it is preferable to use php://input instead of $HTTP_RAW_POST_DATA as it does not ...
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How to keep index when using pandas merge

...ng multi-index, your indices will be stored as a tuple in a single column called a[copy_index] – geekidharsh Nov 6 '19 at 6:19 add a comment  |  ...