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Rails - Validate Presence Of Association?
I have a <em>mem>odel A that has a "has_<em>mem>any" association to another <em>mem>odel B. I have a business require<em>mem>ent that an insert into A requires at least 1 associated record to B. Is there a <em>mem>ethod I can call to <em>mem>ake sure this is true, or do I need to write a custo<em>mem> validation?
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ASP <em>Mem>VC href to a controller/view
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There are a couple of ways that you can acco<em>mem>plish this. You can do the following:
&a<em>mem>p;lt;li&a<em>mem>p;gt;
@Ht<em>mem>l.ActionLink("Clients", "Index", "User", new { @class = "ele<em>mem>ents" }, null)
&a<em>mem>p;lt;/li&a<em>mem>p;gt;
or this:
&a<em>mem>p;lt;li&a<em>mem>p;gt;
&a<em>mem>p;lt;a href="@Url.Action("Index", "Users")" class=...
How to read data fro<em>mem> a zip file without having to unzip the entire file
Is there anyway in .Net (C#) to extract data fro<em>mem> a zip file without deco<em>mem>pressing the co<em>mem>plete file?
6 Answers
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LINQ Distinct operator, ignore case?
Given the following si<em>mem>ple exa<em>mem>ple:
4 Answers
4
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Set background color of WPF Textbox in C# code
...w can I change the background and foreground colors of a WPF Textbox progra<em>mem><em>mem>atically in C#?
6 Answers
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Is generator.next() visible in Python 3?
I have a generator that generates a series, for exa<em>mem>ple:
3 Answers
3
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adb update a non-<em>mem>arket apk?
Is there a way we can update (not reinstall) a non-<em>mem>arket apk on an Android device?
I could only find an adb install (nothing like adb update)
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Character Li<em>mem>it in HT<em>Mem>L
How do you i<em>mem>pose a character li<em>mem>it on a text input in HT<em>Mem>L?
6 Answers
6
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Breaking a list into <em>mem>ultiple colu<em>mem>ns in Latex
Hopefully this is si<em>mem>ple: I have a relatively long list where each list ite<em>mem> contains very little text. For exa<em>mem>ple:
4 Answ...
Select ele<em>mem>ent based on <em>mem>ultiple classes
...ant to apply to a tag when it has two classes. Is there any way to perfor<em>mem> this without JavaScript? In other words:
3 Ans...