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Modify request parameter with servlet filter

...s. – Julien Kronegg Mar 23 '18 at 9:04 add a comment  |  ...
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req

...xyz.com/api/mycall', headers: { 'Content-Type': 'application/x-www-form-urlencoded' }, type: "POST", /* or type:"GET" or type:"PUT" */ dataType: "json", data: { }, success: function (result) { console.log(result); }, error: function () { co...
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Best way to select random rows PostgreSQL

... And a linked article of depez outlining several more approaches: http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/ 1 "large" as in "the complete table will not fit into the memory". share ...
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Why do we need a pure virtual destructor in C++?

...o happen. – a.peganz Sep 2 '14 at 8:04 add a comment  |  ...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

... during the test. 148.6 GB SSD drive, with plenty of free space. Ubuntu 16.04 64-bit MySQL Ver 14.14 Distrib 5.7.20, for Linux (x86_64) The tables: create table jan_int (data1 varchar(255), data2 int(10), myindex tinyint(4)) ENGINE=InnoDB; create table jan_int_index (data1 varchar(255), data2 int...
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how to provide a swap function for my class?

...ms a swap, it uses the equivalent of using std::swap; swap(t, u);. swap (www.cplusplus.com): Many components of the standard library (within std) call swap in an unqualified manner to allow custom overloads for non-fundamental types to be called instead of this generic version: Custom overload...
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How to automatically generate N “distinct” colors?

...randf() – Killrawr Mar 29 '16 at 22:04  |  show 8 more comments ...
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Knight's Shortest Path on Chessboard

... Jamie Counsell 6,04344 gold badges3333 silver badges7474 bronze badges answered Feb 26 '10 at 2:30 TiansHUoTiansHUo ...
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Determining type of an object in ruby

...dd he said "Data has Types not objects". So we might enjoy this. https://www.youtube.com/watch?v=1l3U1X3z0CE But Ruby doesn't care to much about the type of object just the class. We use classes not types. All data then has a class. 12345.class 'my string'.class They may also have ancestors...
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Request is not available in this context

... More discussion of this situation here: stackoverflow.com/questions/1790457/… – jball Mar 25 '10 at 17:55 6 ...