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Rails: redirect_to with :error, but flash[:error] empty
...
As stated in the Rails API only :notice and :alert are by default applied as a flash hash value. If you need to set the :error value, you can do it like this:
redirect_to show_path, flash: { error: "Insufficient rights!" }
...
You need to use a Theme.AppCompat theme (or descendant) with this activity
... had the error stated at the top of the post and happened after I added an alert dialog. I have all the relevant style information in the manifest. My problem was cured by changing a context reference in the alert builder - I changed:
new android.support.v7.app.AlertDialog.Builder(getApplicationCo...
Javascript call() & apply() vs bind()?
...is is very useful when working with callbacks:
function sayHello(){
alert(this.message);
}
var obj = {
message : "hello"
};
setTimeout(sayHello.bind(obj), 1000);
To achieve the same result with call would look like this:
function sayHello(){
alert(this.message);
}
...
Single vs Double quotes (' vs ")
...nd tier, as I imagine most people do. For example
<a href="#" onclick="alert('Clicked!');">Click Me!</a>
In that example, you must use both, it is unavoidable.
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Should I be using object literals or constructor functions?
...c: "a public variable"
thisIsAlsoPublic: function () {
alert(that.thisIsPublic);
}
};
var secret = "this is a private variable"
function secretFunction() { // private method
secret += "!"; // can manipulate private variables
that.thisIsPublic...
Are strongly-typed functions as parameters possible in TypeScript?
...ar foo = new Foo();
var strCallback = (result: string) : void => {
alert(result);
}
var numCallback = (result: number) : void => {
alert(result.toString());
}
foo.save(strCallback); // not OK
foo.save(numCallback); // OK
If you want, you can define a type alias to encapsulate this:...
HTML: Include, or exclude, optional closing tags?
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You don't need </head><body> unless you have DOM-manipulating scripts that actually search <head> (then it's better to close it explicitly, because rules for implied end of <head> could surprise you).
Nested lists are actually better off without </li>, because then it...
Parse query string in JavaScript [duplicate]
....aspx?dest=aboutus.aspx').query(true); // == { dest : 'aboutus.aspx' }
alert(qs.dest); // == aboutus.aspx
And to parse the query string of current page:-
var $_GET = URI(document.URL).query(true); // ala PHP
alert($_GET['dest']); // == aboutus.aspx
...
Using jQuery to compare two arrays of Javascript objects
...: 26}
];
if(JSON.stringify(arr1) == JSON.stringify(arr2)){
alert('Collections are equal');
}else{
alert('Collections are not equal');
}
NB: Please note that his method assumes that both Collections are sorted in a similar fashion, if not, it would give you a false result!
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How can I get name of element with jQuery?
...>
jQuery:
$(function() {
var name = $('#foo').attr('name');
alert(name);
console.log(name);
});
This uses jQuery's .attr() method to get value for the first element in the matched set.
While not specifically jQuery, the result is shown as an alert prompt and written to the brow...