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method of iterating over sqlalchemy model's defined columns?
...n't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
8 Answers
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Is it possible to set private property via reflection?
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This works fine for me if I am not using a virtual property. If I SetValue with a virtual property, this does not seem to work.
– JonathanPeel
May 25 '17 at 18:12
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Given a view, how do I get its viewController?
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I'm not sure if it would break MVC principles. At any one point, a view has only one view controller. Being able to get to it in order to pass a message back to it, should be an automatic feature, not one where you have to work to achie...
How to do case insensitive string comparison?
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The simplest way to do it (if you're not worried about special Unicode characters) is to call toUpperCase:
var areEqual = string1.toUpperCase() === string2.toUpperCase();
sha...
Any way to Invoke a private method?
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You can invoke private method with reflection. Modifying the last bit of the posted code:
Method method = object.getClass().getDeclaredMethod(methodName);
method.setAccessible(true);
Object r = method.invoke(object);
There are a couple of caveats. First, getDeclaredMethod...
How to stop event propagation with inline onclick attribute?
...fox, Safari, IE9+)
The window.event object in Internet Explorer (<=8)
If you need to support legacy browsers that don't follow the W3C recommendations, generally inside a function you would use something like the following:
function(e) {
var event = e || window.event;
[...];
}
which woul...
How to check null objects in jQuery
...e the length property of the jQuery collection returned by your selector:
if ( $('#myDiv').length ){}
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Popup弹出菜单扩展 · App Inventor 2 中文网
...AutoCheck，Checked是当前的新的选中状态。
为了节省大量的if... else if... else块，前五个菜单项的点击事件作为单独的事件可用。MenuItemSelected在MenuItemSelected之前触发。
属性
锚点组件
指定弹出菜单显示在其下...
Should Jquery code go in header or footer?
...lace to put Jquery code (or separate Jquery file)? Will pages load faster if I put it in the footer?
9 Answers
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Tracking Google Analytics Page Views with AngularJS
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If you're using ng-view in your Angular app you can listen for the $viewContentLoaded event and push a tracking event to Google Analytics.
Assuming you've set up your tracking code in your main index.html file with a name of...