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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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Understanding dict.copy() - shallow or deep?

... By "shallow copying" it means the content of the dictionary is not copied by value, but just creating a new reference. >>> a = {1: [1,2,3]} >>> b = a.copy() >>> a, b ({1: [1, 2, 3]}, {1: [1, 2, 3]}...
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Type or namespace name does not exist [closed]

... I set the "Target Framework" by right clicking the project in solution explorer, and selecting properties. Target Framework should be visible in default Application tab. – Cookie Jan 2 '12 at 6:26 ...
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Laravel - Eloquent or Fluent random row

.../ The amount of items you wish to receive Laravel 4.2.7 - 5.1: User::orderByRaw("RAND()")->get(); Laravel 4.0 - 4.2.6: User::orderBy(DB::raw('RAND()'))->get(); Laravel 3: User::order_by(DB::raw('RAND()'))->get(); Check this article on MySQL random rows. Laravel 5.2 supports this, for ol...
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Proper way to catch exception from JSON.parse

... If the try block contains more statements, you can identify the exception by e.name == "SyntaxError", provided you don't have an eval. – user1158559 Dec 20 '15 at 20:54 1 ...
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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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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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How set background drawable programmatically in Android

...ext's theme. * * @param id The desired resource identifier, as generated by the aapt tool. * This integer encodes the package, type, and resource entry. * The value 0 is an invalid identifier. * @return Drawable An object that can be used to draw this resource. */ public ...
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What is [Serializable] and when should I use it?

...eloper can perform actions like sending the object to a remote application by means of a Web Service, passing an object from one domain to another, passing an object through a firewall as an XML string, or maintaining security or user-specific information across applications. Apply SerializableAttri...
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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 ...