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Key hash for Android-Facebook app
...st.getInstance("SHA");
md.update(signature.toByteArray());
String something = new String(Base64.encode(md.digest(), 0));
//String something = new String(Base64.encodeBytes(md.digest()));
Log.e("hash key", something);
}
} catch (NameNotFoundException e1) {
Log....
#if DEBUG vs. Conditional(“DEBUG”)
...ditional("DEBUG")]
[DebuggerStepThrough]
protected void VerifyPropertyName(String propertyName)
{
if (TypeDescriptor.GetProperties(this)[propertyName] == null)
Debug.Fail(String.Format("Invalid property name. Type: {0}, Name: {1}",
GetType(), propertyName));
}
You really do...
How do I convert a Ruby class name to a underscore-delimited symbol?
...ith a method called underscore that will allow you to transform CamelCased strings into underscore_separated strings. So you might be able to do this:
FooBar.name.underscore.to_sym
But you will have to install ActiveSupport just to do that, as ipsum says.
If you don't want to install ActiveSuppo...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
... data:
public class FragmentA extends Fragment {
private static final String PERSISTENT_VARIABLE_BUNDLE_KEY = "persistentVariable";
private EditText persistentVariableEdit;
public FragmentA() {
setArguments(new Bundle());
}
@Override
public View onCreateView(Layou...
Remove an onclick listener
...an ImageView.isEnabled();
Another option is to use setContentDescription(String string) and
String getContentDescription() to determine the status of a view.
share
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improve this answer
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Salting Your Password: Best Practices?
...chars and alphanumeric upper/lowercase. Extendable to say all hexadecimal strings under length Z (say 160) since I think a rainbow table of hashed hashes would be useful..
– Tom Ritter
Mar 24 '09 at 13:51
...
Can't use Swift classes inside Objective-C
...import Foundation
@objc
class SwiftClass:NSObject {
private var _stringValue: String
var stringValue: String {
get {
print("SwiftClass get stringValue")
return _stringValue
}
set {
print("SwiftClass set stringValue = \(newValu...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...server execute:
$ RAILS_ENV=production rake secret
This returns a large string with letters and numbers. Copy that, which we will refer to that code as GENERATED_CODE.
Login to your server
If you login as the root user, find this file and edit it:
$ vi /etc/profile
Go to the bottom of the fi...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
... default option for the column in the migration
....
add_column :status, :string, :default => "P"
....
OR
You can use a callback, before_save
class Task < ActiveRecord::Base
before_save :default_values
def default_values
self.status ||= 'P' # note self.status = 'P' if self.status....
How do I parse command line arguments in Java?
.../Scanner.html
For instance, this is how you use commons-cli to parse 2 string arguments:
import org.apache.commons.cli.*;
public class Main {
public static void main(String[] args) throws Exception {
Options options = new Options();
Option input = new Option("i", "input...