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_=> what does this underscore mean in Lambda expressions?

...fectly fine. That's the case with For-loops and the "i" and "j" letters as indexers. share | improve this answer | follow | ...
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Oracle PL/SQL - How to create a simple array variable?

...xtend(); -- Extend it array(i) := 'x'; end loop; end; The first index is 1 not 0. share | improve this answer | follow | ...
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Using jquery to get element's position relative to viewport

...overflow: scroll; position: relative; } #res { position: fixed; top: 0; z-index: 2; font-family: Verdana; background: #c0c0c0; line-height: .1em; padding: 0 .5em; font-size: 12px; } <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div id="r...
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How does MySQL process ORDER BY and LIMIT in a query?

....com/doc/refman/5.7/en/limit-optimization.html When the ORDER BY column is indexed, it may return records in a different order than without the LIMIT, when there are more than 1 records with the same value in that column. – yitwail Sep 11 '17 at 19:39 ...
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What is the difference between varchar and nvarchar?

... My two cents Indexes can fail when not using the correct datatypes: In SQL Server: When you have an index over a VARCHAR column and present it a Unicode String, SQL Server does not make use of the index. The same thing happens when you ...
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Best practice for embedding arbitrary JSON in the DOM?

... place to put it ? head or body, top or bottom ? – challet Mar 20 '17 at 15:32 1 Unfortunately, i...
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How to jump to a particular line in a huge text file?

... +1: Also, if the file doesn't change, the line number index can be pickled and reused, further amortizing the initial cost of scanning the file. – S.Lott Mar 6 '09 at 21:48 ...
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What is @RenderSection in asp.net MVC

...", required: false) </body> </html> then you can have an index.cshtml content view like this @section scripts { <script type="text/javascript">alert('hello');</script> } the required indicates whether or not the view using the layout page must have a scripts sec...
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In Python script, how do I set PYTHONPATH?

...his: import sys import os # if you want this directory try: sys.path.index('/dir/path') # Or os.getcwd() for this directory except ValueError: sys.path.append('/dir/path') # Or os.getcwd() for this directory share...
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What's the need of array with zero elements?

...variable-size data member. By declaring it as a 0-length array, it can be indexed just as any other array. You'd then allocate a bts_action struct, of say 1024-byte data size, like so: size_t size = 1024; struct bts_action* action = (struct bts_action*)malloc(sizeof(struct bts_action) + size); ...