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Effect of NOLOCK hint in SELECT statements

... Thanks. This is what I've been assuming but was questioned about it by a colleague and my initial research made me question myself. SQLServer 2005 documentation says that with NOLOCK is the default locking scheme for all select statements! I'd guess then that my hints would be redundant in ...
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Unique constraint on multiple columns

... By using the constraint definition on table creation, you can specify one or multiple constraints that span multiple columns. The syntax, simplified from technet's documentation, is in the form of: CONSTRAINT constraint_name...
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Testing HTML email rendering [closed]

...oth Campaign Monitor and Mailchimp's internal testing services are powered by Litmus. – John May 16 '14 at 16:09 5 ...
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How to escape a pipe char in a code statement in a markdown table?

...with a <code></code> markup which fixes the issues more nicely by preserving the rendering a | r ------------|----- `a += x;` | r1 <code>a |= y;</code> | r2 generating the following output ...
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How to specify function types for void (not Void) methods in Java8?

...ences, but in this case let's take advantage of an object method reference by using the println method in the System.out object, like this: Consumer<String> block = System.out::println Or I could simply do allJedi.forEach(System.out::println); The println method is appropriate because it...
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Encrypt Password in Configuration Files? [closed]

... would like to encrypt the password in that configuration that can be read by my program and decrypted. 10 Answers ...
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How can I get the length of text entered in a textbox using jQuery?

...ength = $("#mytextbox").val().length; $("#mytextbox") finds the textbox by its id. .val() gets the value of the input element entered by the user, which is a string. .length gets the number of characters in the string. s...
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OO Design in Rails: Where to put stuff

... really enjoying Rails (even though I'm generally RESTless), and I enjoy Ruby being very OO. Still, the tendency to make huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you put ...
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How to get the first column of a pandas DataFrame as a Series?

... Would be worth adding the .iloc alternative (as proposed by Jeff further down on this page), as it is not ambiguous in the presence of columns with numbers for names. – sapo_cosmico Apr 16 '16 at 14:04 ...
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How to simulate a click with JavaScript?

... el.dispatchEvent(evObj); } } Usage: eventFire(document.getElementById('mytest1'), 'click'); share | improve this answer | follow | ...