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Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
...yles.href = sr_css_file;
head.appendChild(scriptStyles);
//alert('adding css to header:'+sr_css_file);
}
}());
</script>
gzipcheck.js.jgz is just sr_gzipEnabled = true; This tests to make sure the browser can handle the gzipped code and provide a backup if they can't.
...
Get the first key name of a javascript object [duplicate]
...
Try this:
for (var firstKey in ahash) break;
alert(firstKey); // 'one'
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Getting JavaScript object key list
... key4: 'value4'
};
var keys = [];
for (var k in obj) keys.push(k);
alert("total " + keys.length + " keys: " + keys);
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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...
What is the difference between null and undefined in JavaScript?
...een declared but has not yet been assigned a value, such as:
var TestVar;
alert(TestVar); //shows undefined
alert(typeof TestVar); //shows undefined
null is an assignment value. It can be assigned to a variable as a representation of no value:
var TestVar = null;
alert(TestVar); //shows null
ale...
Using curl POST with variables defined in bash script functions
... The other answer didn't work for me as I was trying to invoke it in an alert from Zabbix. This one solves it perfectly and is more clean.
– 0rkan
Nov 22 '16 at 14:54
...
Deserializing a JSON into a JavaScript object
...on("return " + data))();
}
// testing
obj = parseJSON('{"name":"John"}');
alert(obj.name);
This way you don't need any external library and it still works on old browsers.
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JavaScript code to stop form submission
...idateMyForm()
{
if(check if your conditions are not satisfying)
{
alert("validation failed false");
returnToPreviousPage();
return false;
}
alert("validations passed");
return true;
}
</script>
In case of Chrome 27.0.1453.116 m if above code does not work, please set ...
How do I split a string into an array of characters? [duplicate]
...cter in the array as you would any other array.
var s = "overpopulation";
alert(s[0]) // alerts o.
UPDATE
As is pointed out in the comments below, the above method for accessing a character in a string is part of ECMAScript 5 which certain browsers may not conform to.
An alternative method you ...
Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...
one simple workaround is to catch the exception :
try {
alertDialog.show()
}
catch (WindowManager.BadTokenException e) {
//use a log message
}
It's not elegant but sometimes easy when you have to manage async operations and you are not sure wether activity is up ...
