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C# declare empty string array

... there's excellent documentation: // Declare a single-dimensional array int[] array1 = new int[5]; share | improve this answer | follow | ...
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What is meant by 'first class object'?

...You can return the function from a function also read TrayMan's comment, interesting... share | improve this answer | follow | ...
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Unable to create a constant value of type Only primitive types or enumeration types are supported in

... It seems like @Arvand has a great point. If you have a large number of records before the filter, this could take a huge bite out of the available memory resources. – spadelives Nov 25 '16 at 1:53 ...
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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?

...art from the NULL value returned. See below: declare @table1 table( col1 int, col2 int ); insert into @table1 select 1, 11 union all select 2, 22; declare @table2 table ( col1 int, col2 int ); insert into @table2 select 10, 101 union all select 2, 202; select t1.*, t2.* from @table1 t1 f...
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Prevent dialog dismissal on screen rotation in Android

...tener: public class MyDialogFragment extends DialogFragment { public interface YesNoListener { void onYes(); void onNo(); } @Override public void onAttach(Activity activity) { super.onAttach(activity); if (!(activity instanceof YesNoListener)) { ...
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Throwing exceptions from constructors

...ssibly leaking the pthread mutex. The solution to that is to use a smart pointer for the pthread mutex, better yet use boost mutexes or std::mutex, no reason to keep using old functional-style OS constructs when there are better alternatives. – user90843 Oct 21...
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ViewPager with previous and next page boundaries

... set negative page margin for PageView equal to 2*(previous view padding) int margin = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 20*2, getResources().getDisplayMetrics()); mViewPager.setPageMargin(-margin); Optional. Set zero left padding for first item and zero right padding...
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Emacs mode for Stack Overflow's markdown

...iting italics /like this/, and then export to markdown. From emacs you can convert to markdown by selecting the region, hitting C-u M-S-\ and typing pandoc -r org -t markdown, getting output like this: In other words, you can keep writing in org-mode, including writing italics *like this*, and then...
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Why git can't remember my passphrase under Windows

...or as instructed by your Git host. Again, if you have not already done so, convert your key for use with PuTTY's pageant.exe using puttygen.exe. Instructions are in PuTTY's documentation, in this helpful guide, and several other places in cyberspace. Run PuTTY's pageant.exe, open your .ppk file ("Ad...
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How can I loop through a C++ map of maps?

... to keep it on the right because it makes it clearer in situations where pointers are being used; for instance when using both int const *x and int *const x you can write it as int const *const x which is much clearer IMO than const int *const x. But it's just parsed from left to right so the effec...