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When to use Vanilla JavaScript vs. jQuery?
...k you get the idea.
There will be times when performance is crucial. Like if you're performing something in a loop many times over, you may want to ditch jQuery.
In general you can replace:
$(el).attr('someName');
with:
Above was poorly worded. getAttribute is not a replacement, but it does re...
Maximum length for MySQL type text
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Note that the size limits are in bytes. So if you use multi-byte characters, you don't get 2^16 characters in a TEXT column, you get however many characters you can store in 2^16 bytes.
– Bill Karwin
May 13 '13 at 21:38
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Relative URL to a different port number in a hyperlink?
Is there a way without Javascript / server-side scripting to link to a different port number on the same box, if I don't know the hostname?
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Error in : object of type 'closure' is not subsettable
...ment that stores the variables when the function is called.
In this specific case, as Joshua mentioned, you are trying to access the url function as a variable. If you define a variable named url, then the error goes away.
As a matter of good practise, you should usually avoid naming variables ...
How to add new elements to an array?
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The size of an array can't be modified. If you want a bigger array you have to instantiate a new one.
A better solution would be to use an ArrayList which can grow as you need it. The method ArrayList.toArray( T[] a ) gives you back your array if you need i...
How to include route handlers in multiple files in Express?
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If you want to put the routes in a separate file, for example routes.js, you can create the routes.js file in this way:
module.exports = function(app){
app.get('/login', function(req, res){
res.render('login', {...
How to find out what type of a Mat object is with Mat::type() in OpenCV
I am kind of confused with type() method of Mat object in OpenCV. If I have following lines:
6 Answers
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How to run function in AngularJS controller on document ready?
...gt;</div>
// in controller
$scope.init = function () {
// check if there is query in url
// and fire search in case its value is not empty
};
This way, You don't have to wait till document is ready.
share
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App Inventor 2 执行JavaScript代码教程 - WebView与JS交互 · App Inventor 2 中文网
...alculator.html 放到项目Assets中：
body { font-family: sans-serif; padding: 10px; background: #f5f5f5; }
#result { font-size: 18px; color: #333; }
等待计算...
// 监听来自App的数据
setInterval(function() {
var data = window.AppInventor.getWebViewString();
if (data && da...
Password hint font in Android
...hen an EditText is in password mode, it seems that the hint is shown in a different font (courrier?). How can I avoid this? I would like the hint to appear in the same font that when the EditText is not in password mode.
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