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Closing WebSocket correctly (HTML5, Javascript)
...ink the connection is still open even when it's not.
The browser should really do this for you when you close or reload the page. However, you can make sure a close frame is sent by doing capturing the beforeunload event:
window.onbeforeunload = function() {
websocket.onclose = function () {};...
Why do I need Transaction in Hibernate for read-only operations?
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You might actually have reasons to mark transactions as read-only.
Transactions for reading might look indeed strange and often people don't mark methods for transactions in this case. But JDBC will create transaction anyway, it's just i...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
...add an extra step to protect your sites with a custom URLScan rule.
Basically make sure you provide a custom error page so that an attacker is not exposed to internal .Net errors, which you always should anyways in release/production mode.
Additionally add a random time sleep in the error page to...
Different dependencies for different build profiles
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To quote the Maven documentation on this:
A profile element contains both an optional activation (a profile trigger) and the set of changes to be made to the POM if that profile has been activated. For example, a project built ...
Local Storage vs Cookies
I want to reduce load times on my websites by moving all cookies into local storage since they seem to have the same functionality. Are there any pros/cons (especially performance-wise) in using local storage to replace cookie functionality except for the obvious compatibility issues?
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How to get existing fragments when using FragmentPagerAdapter
...agerAdapter , as a helper class that implements the management of tabs and all details of connecting a ViewPager with associated TabHost . I have implemented FragmentPagerAdapter just as same as it is provided by the Android sample project Support4Demos .
...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
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CGContextDrawImage requires three arguments and above only two are given...I think it should be CGContextDrawImage(context, CGRectMake(0, 0, width, height), image)
– user1135469
Jul 6 '13 at 4:42
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What is the explicit promise construction antipattern and how do I avoid it?
...){
return myPromiseFn(param+1); // much nicer, right?
}
Promises are all about making asynchronous code more readable and behave like synchronous code without hiding that fact. Promises represent an abstraction over a value of one time operation, they abstract the notion of a statement or expr...
Call a global variable inside module
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That wouldn't make a good example for a Q&A format though as I am suggesting they do add specific type information and the answer shows how and where they would put it.
– Fenton
Nov 7 '12 at 13:53
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Green Bars in Visual Studio 2010
...chemes, go to Tools>Opitons>Environment>Fonts and Colors.(or Ctrl+Q.then type "Fonts and Colors")
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