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What are the differences between delegates and events?

... may be a good option. In this case you can check to see if a handler is already set, and react appropriately. This may also be a good setup if you need the object holding the Delegate to be able to clear out all handlers (event does not give you any way to do this). – jrh ...
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UnicodeDecodeError when redirecting to file

...e operating system (this is the reason for Python's universal newline file reading mode). Now, what I have called "character" above is what Unicode calls a "user-perceived character". A single user-perceived character can sometimes be represented in Unicode by combining character parts (base charact...
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How much is too much with C++11 auto keyword?

... future. I would write auto in this case. So if the auto keyword improves readability in a particular case then use it. You can write auto when it is obvious to the reader what type auto represents. Here are some examples: auto foo = std::make_shared<Foo>(); // obvious auto foo = bla(); ...
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Interfaces — What's the point?

...method called "Order", whereas if you make the call to a C# object, it's already established that it implements that method, and the call can be made to such an such address. – Boluc Papuccuoglu May 11 '13 at 15:16 ...
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Kill child process when parent process is killed

...tructLayout(LayoutKind.Sequential)] struct IO_COUNTERS { public UInt64 ReadOperationCount; public UInt64 WriteOperationCount; public UInt64 OtherOperationCount; public UInt64 ReadTransferCount; public UInt64 WriteTransferCount; public UInt64 OtherTransferCount; } [StructLayo...
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What's “tools:context” in Android layout files?

... oops . i didn't read the screenshot's text correctly .sorry . when hovering over what i've shown , it also says that it can be a fragment , but fragments don't have their theme written anywhere , no? anyway , i'm still not sure what is thi...
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Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application

...n... booleans) { // No need to update this, wait until the whole thread finishes. } @Override protected void onPostExecute(Boolean result) { if (result) { /* User the array "myList" to create the adapter which will control showing items in the lis...
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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean

...s are called stateless and stateful. Stateless EJBs can be thought of as thread safe single-use beans that don’t maintain any state between two web requests. Stateful EJBs do hold state and can be created and sit around for as long as they are needed until they are disposed of. Defining an EJB is...
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What are the best JVM settings for Eclipse? [closed]

...The following sections detail what are in this eclipse.ini file. The dreaded Oracle JVM 1.6u21 (pre build 7) and Eclipse crashes Andrew Niefer did alert me to this situation, and wrote a blog post, about a non-standard vm argument (-XX:MaxPermSize) and can cause vms from other vendors to not s...
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Cocoa: What's the difference between the frame and the bounds?

... Lecture 5 - Views, Drawing, Animation Practice yourself In addition to reading the above articles, it helps me a lot to make a test app. You might want to try to do something similar. (I got the idea from this video course but unfortunately it isn't free.) Here is the code for your reference:...