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Create a devise user from Ruby console
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there is just so much magic happening here.. The User model extends Active Record. how come the create method is overriden. Where is the password being encrypted?
– codeAnand
Dec 16 '11 at 11:15
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Cleanest way to write retry logic?
...eption handling mechanism. Having said that, here's a lambda-based retry wrapper that you can use with any method. I chose to factor the number of retries and the retry timeout out as parameters for a bit more flexibility:
public static class Retry
{
public static void Do(
Action action...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
I'm converting an app to use fragments using the compatibility library.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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jquery .html() vs .append()
...enever you pass a string of HTML to any of jQuery's methods, this is what happens:
A temporary element is created, let's call it x. x's innerHTML is set to the string of HTML that you've passed. Then jQuery will transfer each of the produced nodes (that is, x's childNodes) over to a newly created d...
Git commit in terminal opens VIM, but can't get back to terminal
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Did you enter a commit message? What happens when you press <Esc>:wq?
– Lieven Keersmaekers
May 26 '15 at 6:24
2
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How to send email attachments?
...re's another:
import smtplib
from os.path import basename
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.utils import COMMASPACE, formatdate
def send_mail(send_from, send_to, subject, text, files=No...
Allow User to input HTML in ASP.NET MVC - ValidateInput or AllowHtml
... use the [AllowHtml] attribute. See below from MSDN:
For ASP.NET MVC 3 applications, when you need to post HTML back to
your model, don’t use ValidateInput(false) to turn off Request
Validation. Simply add [AllowHtml] to your model property, like so:
public class BlogEntry {
public in...
Run R script from command line
...ou really want to use the ./a.R way of calling the script you could add an appropriate #! to the top of the script
#!/usr/bin/env Rscript
sayHello <- function(){
print('hello')
}
sayHello()
I will also note that if you're running on a *unix system there is the useful littler package which ...
IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”
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This problem happens because Android Platform (android.jar) already contains JUnit classes. IDEA test runner loads these classes and sees that they are from the old JUnit, while you are trying to use annotated tests which is a feature of t...
Difference between Google APIs (x86 System Image) and Google APIs (ARM System Image) in Android 4.4.
...le APIs" refer to? When we select to install "Google APIs", what actually happens? Does it just download the Android Java libraries used by Google or are there other system code involved?
– Pacerier
Jul 1 '15 at 8:05
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