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What's the effect of adding 'return false' to a click event listener?
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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...
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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微博为什么限制140字(附短信70字限制考) - 闲聊区 - 清泛IT社区，为创新赋能！
...满足，只好自己来考据一番。twitter说We like to keep it short and sweet! It also just so happens that 140 characters is the perfect length for sending status updates via text message. The standard text message length in most places is 160 characters per message. We reserve 20 characters ...
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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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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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 ...
getActivity() returns null in Fragment function
... suggest adding an
onAttach(Activity activity)
method to your Fragment and putting a break point on it and seeing when it is called relative to your call to asd(). You'll see that it is called after the method where you make the call to asd() exits. The onAttach call is where the Fragment is att...
How to make overlay control above all other controls?
...ow is implemented in Silverlight. It overlays a semitransparent background and popup over your entire RootVisual.
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List passed by ref - help me explain this behaviour
...e value of the variable (i.e. the reference - think "pointer") is copied - and changes to the value of the parameter inside ChangeList aren't seen by TestMethod.
try:
private void ChangeList(ref List<int> myList) {...}
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ChangeList(ref myList);
This then passes a reference to the local-v...