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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...ing this error when I try to upload using paperclip with my rails blogging app.
Not sure what it is referring to when it says "MissingRequiredValidatorError"
I thought that by updating post_params and giving it :image it would be fine, as both create and update use post_params
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Single Sign On across multiple domains [closed]
...
What if they don't share user database? Each partner web app has its own user base. How do we encounter this?
– stuckedoverflow
Nov 10 '14 at 8:44
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How to create a function in a cshtml template?
...iple template files by putting the file with the @helper directive into an App_Code directory. Whereas, the @functions directive allows a function to be used only by the template that declares it.
– Jon Davis
Jul 4 '11 at 21:24
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Converting JSON data to Java object
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I use it in an android app. It is not the fastest possible solution but it is simple enough to program to justify the lack of performance for the user until now. Maybe in a later version of the app it will be removed for a faster solution.
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What is the best place for storing uploaded images, SQL database or disk file system? [closed]
I'm writing an application that allows users to upload images onto the server. I expect about 20 images per day all jpeg and probably not edited/resized. (This is another question, how to resize the images on the server side before storing. Maybe someone can please drop a .NET resource for that in t...
In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
... required in all forms. This doesn't guarantee database integrity if other applications use it, and doesn't work the other way around (if you want to make username not required).
share
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improve thi...
Setting action for back button in navigation controller
...he view controller where you want to detect the press:
-(void) viewWillDisappear:(BOOL)animated {
if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) {
// back button was pressed. We know this is true because self is no longer
// in the navigation stac...
Add support library to Android Studio project
...dencies {
classpath 'com.android.tools.build:gradle:0.5.+'
}
}
apply plugin: 'android'
repositories {
mavenCentral()
}
dependencies {
compile 'com.android.support:support-v4:13.0.+'
}
android {
compileSdkVersion 18
buildToolsVersion "18.0.1"
defaultConfig {
...
Using an SSH keyfile with Fabric
...os.environ['PRIVATE_KEY_TO_HOST']
})
ctx.CONNS = conns
ctx.APP_SERVICE_NAME = 'google'
@task
def stop(ctx):
for conn in ctx.CONNS:
conn.sudo('supervisorctl stop ' + ctx.APP_SERVICE_NAME)
and run it with fab or fab2:
fab staging stop
...
When should you NOT use a Rules Engine? [closed]
...g., on the order of thousands of rules in a single rule set). This often happens when the rules engine is a singleton sitting in the center of the enterprise in the hope that keeping rules DRY will make them accessible to many apps that require them. I would defy anyone to tell me that a Rete rule...