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When would you use delegates in C#? [closed]

...e delegate's invocation. public class DataProvider { protected string _connectionString; public DataProvider( string psConnectionString ) { _connectionString = psConnectionString; } public void UseReader( string psSELECT, DataReaderUser readerUser ) { using...
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How to Publish Web with msbuild?

...ion" ; &msbuild "$project" /t:Package /p:"Configuration=$configuration;_PackageTempDir=$outputfolder" – zcrar70 Feb 2 '11 at 12:25 ...
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Is there a max array length limit in C++?

... the size thereof). It is given by the maximum value the system's std::size_t can take. This data type is large enough to contain the size in bytes of any object The other limit is a physical memory limit. The larger your objects in the array are, the sooner this limit is reached because memory is ...
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What's wrong with nullable columns in composite primary keys?

...key creation. If this was just a retrieval problem, you could use where pk_1 = 'a' and pk_2 = 'b' with normal values, and switch to where pk_1 is null and pk_2 = 'b' when there are nulls. – EoghanM Mar 15 '13 at 9:59 ...
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What happens to an open file handle on Linux if the pointed file gets moved or deleted

...-1 is returned, and errno is set * appropriately. */ int check_fd_fine(int fd) { struct stat _stat; int ret = -1; if(!fcntl(fd, F_GETFL)) { if(!fstat(fd, &_stat)) { if(_stat.st_nlink >= 1) ret = 0; else p...
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How do I create an immutable Class?

... public MyClass(..., IList<MyType> items) { ... _myReadOnlyList = new List<MyType>(items).AsReadOnly(); } public IList<MyType> MyReadOnlyList { get { return _myReadOnlyList; } } private IList<MyType> _myReadOnlyList } ...
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ORA-30926: unable to get a stable set of rows in the source tables

...ates in the query specified in USING clause. This probably means that TABLE_A is a parent table and the same ROWID is returned several times. You could quickly solve the problem by using a DISTINCT in your query (in fact, if 'Y' is a constant value you don't even need to put it in the query). Assu...
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How does free know how much to free?

... FYI, for example BSD has malloc_size() to reliably access the block size from an malloc()ed pointer. But there's no reliable, portable way. – laalto Oct 5 '09 at 7:53 ...
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SVN Error - Not a working copy

...ch worked for the OP) didn't fix it. Here's what I did: $ mv papers papers_ $ svn cleanup $ svn revert papers Reverted 'papers' $ mv papers_/ papers $ svn add papers That worked. share | improve ...
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how do I make a single legend for many subplots with matplotlib?

... There is also a nice function get_legend_handles_labels() you can call on the last axis (if you iterate over them) that would collect everything you need from label= arguments: handles, labels = ax.get_legend_handles_labels() fig.legend(handles, labels, loc...