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What is an “unwrapped value” in Swift?
... the second two cases is that the second two cases will give you a runtime error if optionalSquare is set to nil. Using the syntax in the first case, you can do something like this:
if let sideLength = optionalSquare?.sideLength {
println("sideLength is not nil")
} else {
println("sidelengt...
How to capture no file for fs.readFileSync()?
Within node.js readFile() shows how to capture an error, however there is no comment for the readFileSync() function regarding error handling. As such, if I try to use readFileSync() when there is no file, I get the error Error: ENOENT, no such file or directory .
...
Backbone.js: get current route
...
– Drew Dara-Abrams
Dec 8 '11 at 22:05
I think this is undocumented. Actually, I don't remember where I saw it for the...
How to get JavaScript caller function line number? How to get JavaScript caller source URL?
...
This works for me in chrome/QtWebView
function getErrorObject(){
try { throw Error('') } catch(err) { return err; }
}
var err = getErrorObject();
var caller_line = err.stack.split("\n")[4];
var index = caller_line.indexOf("at ");
var clean = caller_line.slice(index+2, c...
In git, is there a simple way of introducing an unrelated branch to a repository?
...r git 1.7.2.
– JJD
Sep 30 '11 at 10:05
@phord I more or less thought of the orphan to contain things like unit tests o...
What are the differences between delegates and events?
...n't be assigned directly. In this case, it won't give rise to the previous error that I have showed with overriding the behavior.
No one outside of your class can raise the event.
Events can be included in an interface declaration, whereas a field cannot
Notes:
EventHandler is declared as the fol...
How to write trycatch in R
I want to write trycatch code to deal with error in downloading from the web.
5 Answers
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Turn off deprecated errors in PHP 5.3
My server is running PHP 5.3 and my WordPress install is spitting these errors out on me, causing my session_start() to break.
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Remove warning messages in PHP
...ould fix whatever's causing the warning, but you can control visibility of errors with error_reporting(). To skip warning messages, you could use something like:
error_reporting(E_ERROR | E_PARSE);
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Handle ModelState Validation in ASP.NET Web API
...actionContext.Response = actionContext.Request
.CreateErrorResponse(HttpStatusCode.BadRequest, modelState);
}
}
}
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