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How to add “on delete cascade” constraints?
...tension that lets you use multiple constraint clauses in a single SQL statement. For example
alter table public.scores
drop constraint scores_gid_fkey,
add constraint scores_gid_fkey
foreign key (gid)
references games(gid)
on delete cascade;
If you don't know the name of the foreign key ...
Can I use complex HTML with Twitter Bootstrap's Tooltip?
If I check official documentation , I can see a property called HTML:
5 Answers
5
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How do I define a method which takes a lambda as a parameter in Java 8?
In Java 8, methods can be created as Lambda expressions and can be passed by reference (with a little work under the hood). There are plenty of examples online with lambdas being created and used with methods, but no examples of how to make a method taking a lambda as a parameter. What is the syntax...
ggplot with 2 y axes on each side and different scales
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Sometimes a client wants two y scales. Giving them the "flawed" speech is often pointless. But I do like the ggplot2 insistence on doing things the right way. I am sure that ggplot is in fact educating the average user about pr...
Forgot “git rebase --continue” and did “git commit”. How to fix?
I was rebasing code in git, I got some merge conflicts. I resolved the conflicts and did:
4 Answers
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.NET WebAPI Serialization k_BackingField Nastiness
...your class with [DataContract] and the properties to be included with [DataMember] (because both DCS and JSON.NET respsect these attributes).
If for some reason, you need the [Serializable] on your class (i.e. you are serializing it into a memory stream for some reason, doing deep copies etc), then...
Fade Effect on Link Hover?
...ks are hovered over, they will fade into a different color as opposed to immediately switching, the default action.
4 Answe...
Are there any disadvantages to always using nvarchar(MAX)?
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Same question was asked on MSDN Forums:
Varchar(max) vs Varchar(255)
From the original post (much more information there):
When you store data to a VARCHAR(N) column, the values are physically stored in the same way. But whe...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
I'm hoping it's just me, but Selenium Webdriver seems like a complete nightmare. The Chrome webdriver is currently unusable, and the other drivers are quite unreliable, or so it seems. I am battling many problems, but here is one.
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EF LINQ include multiple and nested entities
...projection). The Include is a Eager Loading function, that tells Entity Framework that you want it to include data from other tables.
The Include syntax can also be in string. Like this:
db.Courses
.Include("Module.Chapter")
.Include("Lab")
.Single(x ...