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Checking if a SQL Server login already exists

... Why was it necessary to create a statement as a string and then use sp_executesql, rather than just directly entering CREATE LOGIN [@loginName] FROM ...? Pardon my ignorance, I'd like to learn... – LarsH May 8 '13 at 15:10 ...
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Converting between datetime, Timestamp and datetime64

...nstruct NumPy's datetime64 and timedelta64 objects Pass an integer with a string for the units. See all units here. It gets converted to that many units after the UNIX epoch: Jan 1, 1970 >>> np.datetime64(5, 'ns') numpy.datetime64('1970-01-01T00:00:00.000000005') >>> np.datetim...
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How to automatically remove trailing whitespace in Visual Studio 2008?

...Options.vsFindOptionsRegularExpression, _ String.Empty, _ vsFindTarget.vsFindTargetCurrentDocument, , , _ vsFindResultsLocation.vsFindResultsNone) saved = True document.Save() ...
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How can I display a JavaScript object?

How do I display the content of a JavaScript object in a string format like when we alert a variable? 38 Answers ...
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In an array of objects, fastest way to find the index of an object whose attributes match a search

... @ZeroAbsolute Your applied function (passed to map) can return a hash string which should provide a unique key for each possible combination given by your criteria. For example: function hashf(el) { return String(el.id) + "_" + String(el.name); }. This is just a hint: elementPos = array.map(has...
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What's the best way to refactor a method that has too many (6+) parameters?

...erated properties and skip writing the constructors. class C { public string S { get; set; } public int I { get; set; } } new C { S = "hi", I = 3 }; However, you lose immutability, and you lose the ability to ensure that the required values are set before using the object at compile time...
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Downloading images with node.js [closed]

... }).end(); The newest Node versions won't work well with binary strings, so merging chunks with strings is not a good idea when working with binary data. *Just be careful when using 'data.read()', it will empty the stream for the next 'read()' operation. If you want to use it more than o...
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PHP PDO: charset, set names?

... You'll have it in your connection string like: "mysql:host=$host;dbname=$db;charset=utf8" HOWEVER, prior to PHP 5.3.6, the charset option was ignored. If you're running an older version of PHP, you must do it like this: $dbh = new PDO("mysql:$connstr", $...
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Passing data to Master Page in ASP.NET MVC

...n relevant to it: public class MasterViewData { public ICollection<string> Navigation { get; set; } } Each view using that master page takes a strongly typed view data class containing its information and deriving from the master pages view data: public class IndexViewData : MasterView...
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]

...volatile or sig_atomic_t at the receipt of a signal Attempting to modify a string literal or any other const object during its lifetime Concatenating a narrow with a wide string literal during preprocessing Function and Template Not returning a value from a value-returning function (directly or by...