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Pointer arithmetic for void pointer in C

... -Werror-pointer-arith flag is specified (this flag is useful if your code base must also compile with MSVC). The C Standard Speaks Quotes are taken from the n1256 draft. The standard's description of the addition operation states: 6.5.6-2: For addition, either both operands shall have arit...
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Java List.add() UnsupportedOperationException

... When you are converting from an Array to a Collection Obejct. i.e., array-based to collection-based API then it is going to provide you fixed-size collection object, because Array's behaviour is of Fixed size. java.util.Arrays.asList( T... a ) Souce samples for conformation. public class Ar...
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Getting the current Fragment instance in the viewpager

...droid:switcher:" + R.id.pager + ":" + ViewPager.getCurrentItem()); // based on the current position you can then cast the page to the correct // class and call the method: if (ViewPager.getCurrentItem() == 0 && page != null) { ((FragmentClass1)page).updateList("new ...
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Is it possible to rename a maven jar-with-dependencies?

...; </execution> </executions> </plugin> Update: based on your comments, using the built-in descriptor won't work . I believe this is down to a bug in the recent versions of the assembly-plugin - they've removed support for classifiers, but the id is fixed if you use a buil...
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Correct Bash and shell script variable capitalization

...numRecordsProcessed, veryInconsistent_style See also: The Open Group Base Specifications Issue 7 - Environment Variables share | improve this answer | follow ...
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What is Python used for? [closed]

...gs like "hello" + 5 to get "hello5". Python is object oriented, with class-based inheritance. Everything is an object (including classes, functions, modules, etc), in the sense that they can be passed around as arguments, have methods and attributes, and so on. Python is multipurpose: it is not spec...
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How to resize images proportionally / keeping the aspect ratio?

... width $(this).css("height", height * ratio); // Scale height based on ratio height = height * ratio; // Reset height to match scaled image width = width * ratio; // Reset width to match scaled image } // Check if current height is larger t...
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Flatten an Array of Arrays in Swift

...into a 1D array or remove nil values, not both. It determines which to do based on if the 1st-level array's Element is an array or optional— so if you pass it a 2D array of optionals (e.g. [[Int?]]) it'll choose to flatten it to 1D (e.g. [Int?]). To both flatten to 1-D and remove 2nd-level nils,...
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Is there an easy way to return a string repeated X number of times?

I'm trying to insert a certain number of indentations before a string based on an items depth and I'm wondering if there is a way to return a string repeated X times. Example: ...
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MySQL: Fastest way to count number of rows

...ow count, it doensn't count all rows each time you try to count all rows. (based on primary key's column) Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it when you can achieve the same on the mysql side? If the COUNT(*) is slow, you should run E...