大约有 10,000 项符合查询结果（耗时：0.0207秒） [XML]
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...
Checking if a key exists in a JavaScript object?
...
It will return undefined.
var aa = {hello: "world"};
alert( aa["hello"] ); // popup box with "world"
alert( aa["goodbye"] ); // popup box with "undefined"
undefined is a special constant value. So you can say, e.g.
// note the three equal signs so that null wo...
Capturing “Delete” Keypress with jQuery
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$('html').keyup(function(e){
if(e.keyCode == 46) {
alert('Delete key released');
}
});
Source: javascript char codes key codes from www.cambiaresearch.com
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impro...
Rails: redirect_to with :error, but flash[:error] empty
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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!" }
...
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);
}
...
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...
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
...
HTTPS connections over proxy servers
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Won't work w/o lots of alert to end user. "unconditionally trusted by the client" - there's no such thing. Even is the cert is perfect-AAA+++, it still shows different domain not matching to what end user asked for, which will make any sane browser...
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...