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How to install a gem or update RubyGems if it fails with a permissions error
...em or update RubyGems using gem update --system , and it fails with this error:
27 Answers
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GitHub “fatal: remote origin already exists”
...ng to follow along Michael Hartl's Rails tutorial but I've run across an error.
19 Answers
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How do I configure IIS for URL Rewriting an AngularJS application in HTML5 mode?
...">
web.config
First redirect 404 to a custom page, for example "Home/Error"
<system.web>
<customErrors mode="On">
<error statusCode="404" redirect="~/Home/Error" />
</customErrors>
</system.web>
Home controller
Implement a simple ActionResult t...
What goes into the “Controller” in “MVC”?
...any validation etc be
done in the Controller? If so, how do
I feedback error messages back to the
View - should that go through the
Model again, or should the Controller
just send it straight back to View?
If the validation is done in the View,
what do I put in the Controller?
I s...
Loading/Downloading image from URL on Swift
...ed with Objective-C and it worked, however, with Swift, I've a compilation error:
34 Answers
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Could not find an implementation of the query pattern
...om p in tblPersoon.Cast<Person>() select p).Single();
This kind of error (Could not find an implementation of the query pattern) usually occurs when:
You are missing LINQ namespace usage (using System.Linq)
Type you are querying does not implement IEnumerable<T>
Edit:
Apart from f...
How do I convert an existing callback API to promises?
...re the callbacks is always the last argument and its first parameter is an error. Let's first promisify one manually:
getStuff("dataParam", function(err, data) { …
To:
function getStuffAsync(param) {
return new Promise(function(resolve, reject) {
getStuff(param, function(err, data)...
Swift - class method which must be overridden by subclass
...erridden by every subclass, and which, if it is not, causes a compile time error?
6 Answers
...
how to log in to mysql and query the database from linux terminal
...ysql server from linux terminal?
Same as #1.
6. How do I solve following error?
Same as #1.
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List directory in Go
...
Note that Glob ignores file system errors such as I/O errors reading directories. The only possible returned error is ErrBadPattern, when pattern is malformed.
– Jon
Nov 7 '15 at 15:16
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