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Check if a string contains a string in C++

...lt;chrono> std::string randomString( size_t len ); int main(int argc, char* argv[]) { using namespace std::chrono; const size_t haystacksCount = 200000; std::string haystacks[haystacksCount]; std::string needle = "hello"; bool sink = true; high...
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How to do something to each file in a directory with a batch script

...e delimiter the for /f command is using. for example, you can use the pipe char. for /f "delims=|" %%f in ('dir /b c:\') do echo %%f Update 2: (quick one year and a half after the original answer :-)) If the directory name itself has a space in the name, you can use the usebackq option on the for...
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How to see query history in SQL Server Management Studio

...been evicted, etc.), you may be able to find the query in the plan cache. SELECT t.[text] FROM sys.dm_exec_cached_plans AS p CROSS APPLY sys.dm_exec_sql_text(p.plan_handle) AS t WHERE t.[text] LIKE N'%something unique about your query%'; If you lost the file because Management Studio crashed, you...
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NOT IN vs NOT EXISTS

...llow NULLs the NOT IN will be treated identically to the following query. SELECT ProductID, ProductName FROM Products p WHERE NOT EXISTS (SELECT * FROM [Order Details] od WHERE p.ProductId = od.ProductId) The exact plan may vary but for my examp...
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Removing an item from a select box

How do I remove items from, or add items to, a select box? I'm running jQuery, should that make the task easier. Below is an example select box. ...
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What is the difference between exit() and abort()?

...void) { cout<<"exit function 2"<<endl; } int main(int argc, char**argv) { atexit (myProgramIsTerminating1); atexit (myProgramIsTerminating2); //abort(); return 0; } Comments: If abort is uncommented: nothing is printed and the destructor of someobject will not be called. ...
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When should the volatile keyword be used in C#?

...t (40203Ch)] 00401045 call dword ptr [__imp_std::basic_ostream<char,std::char_traits<char> >::operator<< (402038h)] } 0040104B xor eax,eax 0040104D pop ecx 0040104E ret Looking at the output, the compiler has decided to use the ecx re...
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Entity Framework DateTime and UTC

...ngth); } /// <inheritdoc /> public override char GetChar(int ordinal) { return source.GetChar(ordinal); } /// <inheritdoc /> public override long GetChars(int ordinal, long dataOffset, char[] buffer, int bufferOffset, ...
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How to get 0-padded binary representation of an integer in java?

...ormatter, I would advise you to either use String.replace to replace space character with zeros, as in: String.format("%16s", Integer.toBinaryString(1)).replace(" ", "0") Or implement your own logic to convert integers to binary representation with added left padding somewhere along the lines giv...
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Android ViewPager with bottom dots

...droid:layout_height="wrap_content" app:tabBackground="@drawable/tab_selector" app:tabGravity="center" app:tabIndicatorHeight="0dp"/> </RelativeLayout> Hook up your UI elements inactivity or fragment as follows: Java Code: mImageViewPager = (ViewPager) findViewById(R.id...