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Where IN clause in LINQ [duplicate]

... source, params T[] list) { return list.Contains(source); } Now you call: var states = _objdatasources.StateList().Where(s => s.In(countrycodes)); You can pass individual values too: var states = tooManyStates.Where(s => s.In("x", "y", "z")); Feels more natural and closer to sql. ...
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How to change a django QueryDict to Python Dict?

... In Django 1.8 on Python 3 all I needed was dict(queryDict). – fmalina May 15 '15 at 19:16 1 ...
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How can I see the raw SQL queries Django is running?

...t the output of the query is not valid SQL, because: "Django never actually interpolates the parameters: it sends the query and the parameters separately to the database adapter, which performs the appropriate operations." From Django bug report #17741. Because of that, you should not send qu...
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Chaining multiple filter() in Django, is this a bug?

I always assumed that chaining multiple filter() calls in Django was always the same as collecting them in a single call. 4...
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6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术

...要动用C++的编译器g++才能编程通过。 hello1.c #define _________ } #define ________ putchar #define _______ main #define _(a) ________(a); #define ______ _______(){ #define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C) #define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F) #define ____ _...
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What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p

...this hunk nor any of the remaining ones a - stage this hunk and all later hunks in the file d - do not stage this hunk nor any of the later hunks in the file g - select a hunk to go to / - search for a hunk matching the given regex j - leave thi...
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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that

...creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity: public class MemberLoan { public string LoandProviderCode { get; set; } public virtual Membership Membership { get; set; } } Entity Framework will return proxy inheri...
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angular.service vs angular.factory

... myInjectedFactory can be an object, a function reference, or any value at all. For example, if you wrote a service to create a constructor (as in the last example above), it would have to be instantiated like so: var myShinyNewObject = new myInjectedService.myFunction() which is arguably less desi...
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How to manually expand a special variable (ex: ~ tilde) in bash

... Using eval is a horrible suggestion, it's really bad that it gets so many upvotes. You will run into all sorts of problems when the variable's value contains shell meta characters. – user2719058 Aug 31 '14 at 19:47 ...
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What Vim command(s) can be used to quote/unquote words?

...tes. Change single quotes to double quotes va':s/\%V'\%V/"/g va' - Visually select the quoted word and the quotes. :s/ - Start a replacement. \%V'\%V - Only match single quotes that are within the visually selected region. /"/g - Replace them all with double quotes. ...