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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
...g_test is the anchor. The reason that Facebook and other Javascript-driven applications (like my own Wood & Stones) use anchors is that they want to make pages bookmarkable (as suggested by a comment on that answer) or support the back button without reloading the entire page from the server.
I...
What do the return values of node.js process.memoryUsage() stand for?
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How is heapTotal managed by node? In my app I see heapTotal going up steadily (regardless of GC) even though heapUsed remains bounded. I've not seen any explanation of how heapTotal is managed by node... I guess it's just reserved heap for future allocations, but i...
What is the maximum size of a web browser's cookie's key?
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You can also use web storage too if the app specs allows you that (it has support for IE8+).
It has 5M (most browsers) or 10M (IE) of memory at its disposal.
"Web Storage (Second Edition)" is the API and "HTML5 Local Storage" is a quick start.
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Difference between java.util.Random and java.security.SecureRandom
... it, so had to set a system property java.security.egd to the right one at app startup.
– maxpolk
Jun 11 '15 at 21:04
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Catching java.lang.OutOfMemoryError?
...se resources and close down in a clean fashion. What's the worst that can happen? The JVM is dying (or already dead) anyway and by catching the Error there is at least a chance of cleanup.
The caveat is that you have to target the catching of these types of errors only in places where cleanup is po...
Parsing IPv6 extension headers containing unknown extensions
...t least without in-band signaling and other hacks. That's excusable in an application protocol where you control both ends and only have to account for new versions of your app, but not in something designed to last for... hundreds of years?
– AdamIerymenko
Ju...
The definitive guide to form-based website authentication [closed]
...server will be able to read logins as they pass through. This type of wiretapping is done routinely by governments, but in general, we won't address 'owned' wires other than to say this: Just use HTTPS.
In essence, the only practical way to protect against wiretapping/packet sniffing during login is...
Catch an exception thrown by an async void method
...t.com/en-us/magazine/jj991977.aspx
Note that using Wait() may cause your application to block, if .Net decides to execute your method synchronously.
This explanation http://www.interact-sw.co.uk/iangblog/2010/11/01/csharp5-async-exceptions is pretty good - it discusses the steps the compiler take...
ios Upload Image and Text using HTTP POST
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Here's code from my app to post an image to our web server:
// Dictionary that holds post parameters. You can set your post parameters that your server accepts or programmed to accept.
NSMutableDictionary* _params = [[NSMutableDictionary alloc]...
Grasping the Node JS alternative to multithreading
...read and set a callback when it's done which means that the read could be happening on a different thread/core while the main node.js program is doing something else.
But from a node.js point of view, it's entirely single threaded and won't directly use more than one core.
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