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Plot two graphs in same plot in R
...t it work in the following simple example? > plot(sin) > lines(cos) Error in as.double(y) : cannot coerce type 'builtin' to vector of type 'double'
– Frank
Jun 5 '13 at 18:51
...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...息。
enum ServerResponse {
case Result(String, String)
case Error(String)
}
let success = ServerResponse.Result("6:00 am", "8:09 pm")
let failure = ServerResponse.Error("Out of cheese.")
switch success {
case let .Result(sunrise, sunset):
let serverResponse = "Sunrise is...
Creating and playing a sound in swift
...w: SKView) {
audioPlayer = AVAudioPlayer(contentsOfURL: coinSound, error: nil)
audioPlayer.prepareToPlay()
}
// Trigger the sound effect when the player grabs the coin
func didBeginContact(contact: SKPhysicsContact!) {
audioPlayer.play()
}
}
...
ImportError: Cannot import name X
... not post all the code, just the imports, because I think that's where the error is. (If you want, I can post more)
16 Answ...
Pushing app to heroku problem
...9e2edcd42e961ed2eb254d5181cbc734 inconsistent object lengt h (476 vs 8985) error: pack-objects died with strange error error: failed to push some refs to 'git@heroku.com:floating-stone-94.git'
– goddamnyouryan
Jun 1 '10 at 8:56
...
JavaScript: client-side vs. server-side validation
...enter an invalid email address and move to the next field, you can show an error message immediately. That way the user can correct every field before they submit the form.
If you only validate on the server, they have to submit the form, get an error message, and try to hunt down the problem.
(T...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...
$Push_Pop = $ErrorActionPreference #Suppresses errors
$ErrorActionPreference = “SilentlyContinue” #Suppresses errors
#Script
#gc .\output\*.csv -ReadCount 5 | %{$_;throw "pipeline end!"} # head
#gc .\output\*.csv | %{$num=0;}{...
Curly braces in string in PHP
...to get a literal {$. Some examples to make it clear:
<?php
// Show all errors
error_reporting(E_ALL);
$great = 'fantastic';
// Won't work, outputs: This is { fantastic}
echo "This is { $great}";
// Works, outputs: This is fantastic
echo "This is {$great}";
echo "This is ${great}";
// Works
e...
Using reCAPTCHA on localhost
... the allowed domains for the reCAPTCHA account in question to resolve the "ERROR: Invalid domain for site key" error.
– Ben Johnson
Jul 8 '15 at 0:29
...
What is the worst real-world macros/pre-processor abuse you've ever come across?
... to do a quick ten pushups. He explained this last one as "Compiler found error in code. This is punishment".
share
edited May 24 '10 at 20:05
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