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Check if inputs are empty using jQuery
...ent in IE)
$("#inputname").keyup(function() {
if (!this.value) {
alert('The box is empty');
}});
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Regular Expression to reformat a US phone number in Javascript
...lace(/\D+/g, '')
.replace(/(\d{3})(\d{3})(\d{4})/, '($1) $2-$3');
alert(x);
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Passing an array as a function parameter in JavaScript
...x);
function call_me(params) {
for (i=0; i<params.length; i++) {
alert(params[i])
}
}
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View HTTP headers in Google Chrome?
...();r.open('HEAD',url,false);r.send(null);return r.getAllResponseHeaders();}alert(read(window.location))})();
Put this code in your developer console pad.
Source: http://www.danielmiessler.com/blog/a-bookmarklet-that-displays-http-headers
...
How to enable or disable an anchor using jQuery?
...
$("a").click(function(){
alert('disabled');
return false;
});
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Defining TypeScript callback type
...allback
}
}
var test = new CallbackTest();
test.myCallback = () => alert("done");
test.doWork();
If you want to accept a parameter, you can add that too:
public myCallback: {(msg: string): void;};
And if you want to return a value, you can add that also:
public myCallback: {(msg: strin...
Why does cURL return error “(23) Failed writing body”?
...erver ran out of disk space, in my case.
Check for it with df -k .
I was alerted to the lack of disk space when I tried piping through tac twice, as described in one of the other answers: https://stackoverflow.com/a/28879552/336694. It showed me the error message write error: No space left on devi...
How to access component methods from “outside” in ReactJS?
...an :D
class Parent extends Component {
handleClick() {
if (this._getAlert !== null) {
this._getAlert()
}
}
render() {
return (
<div>
<Child>
{(getAlert, childScope) => (
<span> {!this._getAlert ? this._getAlert = getAlert...
StringLength vs MaxLength attributes ASP.NET MVC with Entity Framework EF Code First
...t in my test with MVC 5). The one to choose then depnds on how you want to alert the user that this is the maximum text length. With the stringlength attribute, the user will simply not be able to type beyond the allowed length. The maxlength attribute doesn't add this html attribute, instead it gen...
How to exit from the application and show the home screen?
...needs internet and the connection breaks a few activities into the app. An alert dialog can be displayed (without buttons). The Back button needs to exit the entire app since reentry requires login/initialization again. System.exit is the only thing that works reasonably I've found. Not sure about @...