大约有 45,000 项符合查询结果(耗时:0.0470秒) [XML]

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Database, Table and Column Naming Conventions? [closed]

...ink how many c# developers hated the "var" keyword when it was introduced, now its the widely accepted way to define variables. – Jason Apr 10 '12 at 16:39 7 ...
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Android SDK installation doesn't find JDK

...t install with android r18 exe installer. You, sir, are my hero for today. Now I just need to know how on earth you thought to even try that? :-) – Julian Higginson May 17 '12 at 13:58 ...
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The model backing the context has changed since the database was created

... Now it's: protected override void OnModelCreating(DbModelBuilder modelBuilder) { Database.SetInitializer<YourDbContext>(null); base.OnModelCreating(modelBuilder); } in your YourDbContext.cs file. ...
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UICollectionView Set number of columns

I just started learning about UICollectionViews. I'm wondering if anyone knows how to specify the number of columns in a collectionview. The default is set to 3 (iPhone/portrait). I've looked at the documentation and can't seem to find a concise answer. ...
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map function for objects (instead of arrays)

...ll and an extra library just for one function. In any case, this answer is now outdated and you can simply call Object.entries({a: 1, b: 2, c: 3}) to get an array. – user6269864 Oct 3 '17 at 7:49 ...
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What are the main performance differences between varchar and nvarchar SQL Server data types?

... @cbmeeks: I don't code for what I don't know. But if you can use it with no noticeable performance hit, then your databases aren't big enough for it to matter... – gbn Mar 7 '12 at 15:48 ...
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How can I maximize a split window?

...ark A You can avoid using a mark for normal (non-help) buffers. Let me know if you're interested. share | improve this answer | follow | ...
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How should a model be structured in MVC? [closed]

...and view for a given request-response cycle. Alteration of model's state Now that you can access to the model layer in the controllers, you need to start actually using them: public function postLogin(Request $request) { $email = $request->get('email'); $identity = $this->identific...
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Efficiently convert rows to columns in sql server

...nt, PostalCode, LastName, AccountNumber) ) piv; See Demo. Pivot with unknown number of columnnames If you have an unknown number of columnnames that you want to transpose, then you can use dynamic SQL: DECLARE @cols AS NVARCHAR(MAX), @query AS NVARCHAR(MAX) select @cols = STUFF((SELECT ',...
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NuGet for solutions with multiple projects

... For anybody stumbling across this, now there is the following option : Right-click your solution > Manage NuGet Packages for Solution... ... Or: Tools > Library Package Manager > Manage NuGet Packages for Solution... And if you go to the I...