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How to check if an int is a null

... An int is not null, it may be 0 if not initialized. If you want an integer to be able to be null, you need to use Integer instead of int. Integer id; String name; public Integer getId() { return id; } Besides the statement if(person.equals(null)) can...
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How to merge a transparent png image with another image using PIL

....png") foreground = Image.open("test2.png") background.paste(foreground, (0, 0), foreground) background.show() First parameter to .paste() is the image to paste. Second are coordinates, and the secret sauce is the third parameter. It indicates a mask that will be used to paste the image. If you p...
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How to get jQuery dropdown value onchange event

... answered Nov 12 '13 at 7:00 power_scriptorpower_scriptor 2,94411 gold badge1212 silver badges1616 bronze badges ...
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Is == in PHP a case-sensitive string comparison?

... 101 Yes, == is case sensitive. You can use strcasecmp for case insensitive comparison ...
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String concatenation in Ruby

... 580 You can do that in several ways: As you shown with << but that is not the usual way With...
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T-SQL stored procedure that accepts multiple Id values

...as their own unique pros and cons. Table-Valued Parameters. SQL Server 2008 and higher only, and probably the closest to a universal "best" approach. The Iterative Method. Pass a delimited string and loop through it. Using the CLR. SQL Server 2005 and higher from .NET languages only. XML. Very...
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How to efficiently build a tree from a flat structure?

... | edited May 10 '13 at 13:24 Guido Preite 13.6k33 gold badges3131 silver badges6363 bronze badges ...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

... Andersen 66.9k2828 gold badges163163 silver badges309309 bronze badges answered Apr 28 '12 at 13:26 Bruce PhillipsBruce Phillips ...
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Hide files with certain extension in Sublime Text Editor?

...b and search for file_exclude_patterns (which is on line 377 in ST3 build 3083) and also folder_exclude_patterns if desired. Copy its contents to your user preferences file, like so: { "file_exclude_patterns": ["*.pyc", "*.pyo", "*.exe", "*.dll", "*.obj","*.o", "*.a", "*.lib", "*.so", "*.dylib"...
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Maven: how to override the dependency added by a library

... 103 Simply specify the version in your current pom. The version specified here will override other....