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What is the difference between String.Empty and “” (empty string)?

... In .NET prior to version 2.0, "" creates an object while string.Empty creates no objectref, which makes string.Empty more efficient. In version 2.0 and later of .NET, all occurrences of "" refer to the same string literal, which means "" is equivalen...
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Should “node_modules” folder be included in the git repository

... 180 The answer is not as easy as Alberto Zaccagni suggests. If you develop applications (especially ...
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Setting variable to NULL after free

... answered Jun 22 '09 at 5:40 Martin v. LöwisMartin v. Löwis 110k1616 gold badges180180 silver badges226226 bronze badges ...
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How to implement a ViewPager with different Fragments / Layouts

...ic Fragment getItem(int pos) { switch(pos) { case 0: return FirstFragment.newInstance("FirstFragment, Instance 1"); case 1: return SecondFragment.newInstance("SecondFragment, Instance 1"); case 2: return ThirdFragment.newInstance("ThirdFragment, Insta...
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Alternate output format for psql

...-- dda_id | 1121 u_id | 24 ab_id | 10304 dda_type | CHECKING dda_status | PENDING_VERIFICATION dda_is_deleted | f dda_verify_op_id | 44938 version | 2 created | 2012-03-06 21:37:50.585845 modified | 2012-0...
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Why do we need a pure virtual destructor in C++?

...unctions can have implementations). struct foo { virtual void bar() = 0; }; void foo::bar() { /* default implementation */ } class foof : public foo { void bar() { foo::bar(); } // have to explicitly call default implementation. }; ...
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Browser statistics on JavaScript disabled [closed]

... 120 Give the basic info, with a clear route for how to go further - update your browser! I think sa...
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How can I fix the Microsoft Visual Studio error: “package did not load correctly”?

I installed Visual Studio 2012 and DevExpress 13.1. As Visual Studio started, it generated an error shown by this attached image, ...
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Difference between getDefaultSharedPreferences and getSharedPreferences

...| edited Jan 14 '12 at 19:07 Simone 16.3k1010 gold badges6666 silver badges9696 bronze badges answered J...
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Does the Java &= operator apply & or &&?

... | edited Feb 3 at 0:26 answered Oct 11 '10 at 14:49 ...