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Can I call memcpy() and memmove() with “number of bytes” set to zero?

... | edited Sep 22 '12 at 10:42 answered Sep 20 '10 at 13:32 ...
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mongodb count num of distinct values per field/key

... StennieStennie 55.2k1212 gold badges130130 silver badges159159 bronze badges 49 ...
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Command to change the default home directory of a user

... | edited Mar 20 at 17:04 fnkr 6,31366 gold badges3939 silver badges5353 bronze badges answer...
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Bash foreach loop

... answered Nov 12 '10 at 8:35 Greg HewgillGreg Hewgill 783k167167 gold badges10841084 silver badges12221222 bronze badges ...
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Are loops really faster in reverse?

... 907 It's not that i-- is faster than i++. Actually, they're both equally fast. What takes time in ...
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Check if a table exists in Rails

...ke task that won't work unless a table exists. I'm working with more than 20 engineers on a website so I want to make sure they have migrated the table before they can do a rake task which will populate that respective table. ...
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How to read and write excel file

...SSFWorkbook wb = new HSSFWorkbook(fs); HSSFSheet sheet = wb.getSheetAt(0); HSSFRow row; HSSFCell cell; int rows; // No of rows rows = sheet.getPhysicalNumberOfRows(); int cols = 0; // No of columns int tmp = 0; // This trick ensures that we get the data properly ev...
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Python mysqldb: Library not loaded: libmysqlclient.18.dylib

I just compiled and installed mysqldb for python 2.7 on my mac os 10.6. I created a simple test file that imports 15 Answe...
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class name and method name dropdown list is missing (visual studio setting)

... 250 Tools-->Options... Text Editor-->All Languages Check "Navigation Bar." (Picture is from...
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Django select only rows with duplicate field values

...t work). – guival Feb 14 '17 at 17:50 1 What is the .order_by() for? – stef...