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What's the effect of adding 'return false' to a click event listener?
...
The return value of an event handler determines whether or not the default browser behaviour should take place as well. In the case of clicking on links, this would be following the link, but the difference is most noticeable in form submit handlers, whe...
Prefer composition over inheritance?
...this case, it makes sense to extract it out as an interface / class / both and make it a member of both classes.
Update: Just came back to my answer and it seems now that it is incomplete without a specific mention of Barbara Liskov's Liskov Substitution Principle as a test for 'Should I be inher...
How can I get dictionary key as variable directly in Python (not by searching from value)?
... which I would prefer not to use as I simply want the text/name of the key and am worried that searching by value may end up returning 2 or more keys if the dictionary has a lot of entries... what I am trying to do is this:
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Benefits of EBS vs. instance-store (and vice-versa) [closed]
...gh the API.
EBS backed instances can be stopped when you're not using them and resumed when you need them again (like pausing a Virtual PC), at least with my usage patterns saving much more money than I spend on a few dozen GB of EBS storage.
EBS backed instances don't lose their instance storage wh...
What is the difference between localStorage, sessionStorage, session and cookies?
What are the technical pros and cons of localStorage, sessionStorage, session and cookies, and when would I use one over the other?
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include external .js file in node.js app
..., mongoose) {
// Define Car model
CarSchema = new Schema({
brand : String,
type : String
});
mongoose.model('Car', CarSchema);
}
module.exports.make = make;
share
|
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How do I intercept a method call in C#?
...functionality i.e. I would like to log every method call (method signature and actual parameter values) and every method exit (just the method signature).
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使用App Inventor扩展实现多点触控：Scale Detector 缩放检测 · App Inventor 2 中文网
...模板来创建新的 App Inventor 组件，这些组件可以实现其他 Android 手势检测器。
1、多点触控演示应用
ScaleGestureDemo 是缩放手势的简单演示，其中两根手指靠得更近或更远以表示展开或收缩。 你可以从这里下载打...
今日待办：参考滴答清单的原生应用案例 · App Inventor 2 中文网
...览器实际截图；可点击查看大图。属于界面预览，尚非 Android 或伴侣运行截图。地图和原生视频区域为占位。
📦 最终 .aia 源码
下载技能版 · 下载助手同源版
.aia 包含界面、可编辑积木和实际资源。助手版...
What does PermGen actually stand for?
...n specific.
Briefly, it contains the Java objects associated with classes and interned strings. In Sun's client implementation with sharing on, classes.jsa is memory mapped to form the initial data, with about half read-only and half copy-on-write.
Java objects that are merely old are kept in the ...