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PostgreSQL Autoincrement

...other integer data type, such as smallint. Example : CREATE SEQUENCE user_id_seq; CREATE TABLE user ( user_id smallint NOT NULL DEFAULT nextval('user_id_seq') ); ALTER SEQUENCE user_id_seq OWNED BY user.user_id; Better to use your own data type, rather than user serial data type. ...
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Scatterplot with too many points

...;- data.frame(x = rnorm(5000),y=rnorm(5000)) ggplot(df,aes(x=x,y=y)) + geom_point(alpha = 0.3) Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning: ggplot(df,aes(x=x,y=y)) + stat_binhex() And there is also regula...
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How do I remove javascript validation from my eclipse project?

... I actually like MY JavaScript files to be validated, but I definitely don't want to validate and deal with trivial warnings with third party libraries. That's why I think that turning off validation all together is too drastic. F...
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Collection was modified; enumeration operation may not execute

... Is that a complete example? I have a class (_dictionary obj below) that contains a generic Dictionary<string,int> named MarkerFrequencies, but doing this didn't instantly solve the crash: lock (_dictionary.MarkerFrequencies) { foreach (KeyValuePair<string, int...
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Can I change multiplier property for NSLayoutConstraint?

...them, since "Activating or deactivating the constraint calls addConstraint(_:) and removeConstraint(_:) on the view that is the closest common ancestor of the items managed by this constraint". – qix Jan 4 '17 at 5:26 ...
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How to safely call an async method in C# without await

...it completes, then you can do this: public string GetStringData() { var _ = MyAsyncMethod(); return "hello world"; } BTW, this is not a "common problem". It's very rare to want to execute some code and not care whether it completes and not care whether it completes successfully. Update: Sin...
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How do you represent a JSON array of strings?

This is all you need for valid JSON, right? 4 Answers 4 ...
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Could not load file or assembly 'System.Web.Mvc'

... I just wrote a blog post addressing this. You could install ASP.NET MVC on your server OR you can follow the steps here. EDIT: (by jcolebrand) I went through this link, then had the same issue as Victor below, so I suggest you also add these: * Microsoft.Web.Infrastructure * S...
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How to mock ConfigurationManager.AppSettings with moq

... } public class ClassUnderTest { private readonly NameValueCollection _settings; public ClassUnderTest(NameValueCollection settings) { _settings = settings; } public void MethodUnderTest() { // get the User from Settings string user = _settings["Use...
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Click through div to underlying elements

...'scale'); background: none !important; Here is a basic example page with all the code. share | improve this answer | follow | ...