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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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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  |  ...
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Explain how finding cycle start node in cycle linked list work?

...t node in the cycle. When the tortoise and hare meet, we have found the smallest i (the number of steps taken by the tortoise) such that Xi = X2i. Let mu represent the number of steps to get from X0 to the start of the cycle, and let lambda represent the length of the cycle. Then i = mu + alambda,...
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d

... See __hash__. Specifically about the str type. – metatoaster Aug 25 '14 at 6:43 ...
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Use “ENTER” key on softkeyboard instead of clicking button

...ode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { switch (keyCode) { case KeyEvent.KEYCODE_DPAD_CENTER: case KeyEvent.KEYCODE_ENTER: addCourseFromTextBox(); retur...
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Tomcat: How to find out running tomcat version

....in/blog/check-jsp-tomcat-version Save this code into a file called tomcat_version.jsp: Tomcat Version : <%= application.getServerInfo() %><br> Servlet Specification Version : <%= application.getMajorVersion() %>.<%= application.getMinorVersion() %> <br> ...
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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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How to define a preprocessor symbol in Xcode

..., and select "Add User-Defined Setting". The new setting name should be GCC_PREPROCESSOR_DEFINITIONS, and you can type your definitions in the right-hand field. Per Steph's comments, the full syntax is: constant_1=VALUE constant_2=VALUE Note that you don't need the '='s if you just want to #defi...
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How to create a fixed-size array of objects

... Fixed-length arrays are not yet supported. What does that actually mean? Not that you can't create an array of n many things — obviously you can just do let a = [ 1, 2, 3 ] to get an array of three Ints. It means simply that array size is not something that you can declare as type inf...