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mysql update column with value from another table

...ableA ON tableB.name = tableA.name SET tableB.value = IF(tableA.value > 0, tableA.value, tableB.value) WHERE tableA.name = 'Joe' share | improve this answer | follow ...
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Multiple left-hand assignment with JavaScript

... 407 Actually, var var1 = 1, var2 = 1, var3 = 1; is not equivalent to: var var1 = var2 = var3 = ...
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Android Crop Center of Bitmap

...itmap( srcBmp, srcBmp.getWidth()/2 - srcBmp.getHeight()/2, 0, srcBmp.getHeight(), srcBmp.getHeight() ); }else{ dstBmp = Bitmap.createBitmap( srcBmp, 0, srcBmp.getHeight()/2 - srcBmp.getWidth()/2, srcBmp.getWidth(), srcBmp.getWidth() ...
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Convert form data to JavaScript object with jQuery

... 1670 serializeArray already does exactly that. You just need to massage the data into your required f...
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Can you create nested WITH clauses for Common Table Expressions?

... 305 While not strictly nested, you can use common table expressions to reuse previous queries in su...
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What is the “right” way to iterate through an array in Ruby?

...with_index {|val, index| puts "#{val} => #{index}" } Prints: A => 0 B => 1 C => 2 I'm not quite sure from your question which one you are looking for. share | improve this answer ...
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Reload activity in Android

... – aggregate1166877 Jun 11 '13 at 11:40 1 Wow, I did NOT think it would be this easy. ...
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Using scanf() in C++ programs is faster than using cin?

...nclude <iostream> int main(int argc, char **argv) { int parity = 0; int x; while (std::cin >> x) parity ^= x; std::cout << parity << std::endl; return 0; } scanf version: #include <stdio.h> int main(int argc, char **argv) { int parity = 0; int...
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MySQL get row position in ORDER BY

... 120 Use this: SELECT x.id, x.position, x.name FROM (SELECT t.id, t....
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how to change uiviewcontroller title independent of tabbar item title

... Working for me in Xcode 10.2 using Swift 4.2, thanks a ton! – jangelsb Oct 8 '19 at 22:39 ...