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Node.js: Difference between req.query[] and req.params

...Another example: if I am displaying 7 patients per page , I want to skip 7 items because I am on page 2, * so I want to skip (7 * (2 - 1)) => 7 items */ .skip(pageSize * (currentPage - 1)) /** * Narrow dont the amound documents I retreive for the curren...
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Database: To delete or not to delete records

...sting to see the results of EXPLAIN-ANALYZE on large tables to few deleted items as well as many deleted items. In systems used over time I have found, new users tend to do silly things like delete things accidentally. So when people are new in a position they have all the access rights of the per...
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LINQ's Distinct() on a particular property

...ingle() and SingleOrDefault() each throw when the source has more than one item. In this operation, we expect the possibility that each group may have more then one item. For that matter, First() is preferred over FirstOrDefault() because each group must have at least one member.... unless you're ...
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Remove duplicates from a List in C#

...> first and then convert it into a List<> (so ListView can access items by index). List<>.Contains() is too slow. – Sinatr Jul 31 '13 at 8:50 61 ...
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UnicodeEncodeError: 'latin-1' codec can't encode character

... The best solution is set mysql's charset to 'utf-8' do like this comment(add use_unicode=True and charset="utf8") db = MySQLdb.connect(host="localhost", user = "root", passwd = "", db = "testdb", use_unicode=True, charset...
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Java 8 Iterable.forEach() vs foreach loop

...-each loops will certainly stay good practice (to avoid the overused term "best practice") in Java. But this doesn't mean, that Iterable#forEach should be considered bad practice or bad style. It is always good practice, to use the right tool for doing the job, and this includes mixing traditional f...
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How to perform mouseover function in Selenium WebDriver using Java?

...of these answers work when trying to do the following: Hover over a menu item. Find the hidden element that is ONLY available after the hover. Click the sub-menu item. If you insert a 'perform' command after the moveToElement, it moves to the element, and the sub-menu item shows for a brief peri...
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How do you remove all the options of a select box and then add one option and select it with jQuery?

...ptions from the select except the first one (typically the 'Please pick an item' option) you could use: $('#mySelect').find('option:not(:first)').remove(); share | improve this answer | ...
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How to run a single RSpec test?

...h/to/spec.rb \ SPEC_OPTS="-e \"should be successful and return 3 items\"" share | improve this answer | follow | ...
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Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;

... have any jar library there, so I have unchecked Android Private Libraries item. Now my project is running. share | improve this answer | follow | ...