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Custom dealloc and ARC (Objective-C)

...ing ARC, you simply do not call [super dealloc] explicitly - the compiler handles it for you (as described in the Clang LLVM ARC document, chapter 7.1.2): - (void) dealloc { [observer unregisterObject:self]; // [super dealloc]; //(provided by the compiler) } ...
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Button Click event fires when pressing Enter key in different input (no forms)

This logic is firing when pressing "Enter" in the "Amount" input, and I don't believe it should (it doesn't in Chrome). How can I prevent this, and if not prevent it in IE, handle it so that the logic in the click event does not fire. ...
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?

...swer to this question, so I will provide my empirical data as a substitute and provide some ways to work around it. Maybe some MS insider will one day shed some light on this... If HTTP Keep-Alive is disabled on the server, this issue goes away. In other words, your HTTP 1.1 server will respond to...
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What is the AppDelegate for and how do I know when to use it?

... I normally avoid the design approach implied by Andrew's use of the term "heart of your application". What I mean by this is that I think you should avoid lumping too many things in a central location -- good program design normally involves separating functionality by "ar...
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What is a reasonable length limit on person “Name” fields?

... UK Government Data Standards Catalogue suggests 35 characters for each of Given Name and Family Name, or 70 characters for a single field to hold the Full Name. share ...
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How do I view all commits for a specific day?

I've already looked at the relevant docs from git-scm.com and gitref.org , but I can't seem to figure this out. 5 Answe...
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Difference between double and single curly brace in angular JS?

...gular world, i am bit confused with the use of double curly braces {{}} and single curly braces{} or sometime no curly brace is used to include the expression like in the directives ...
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What are the git concepts of HEAD, master, origin?

...m learning about git, I keep coming across the terms HEAD, master, origin, and I'm not sure what the differences are. If I understand correctly, HEAD is always equal to the latest revision? And if so, is that the latest revision of the whole repository, or of a specific branch or tag? This is so con...
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Finding the author of a line of code in Mercurial

... out who is responsible for a specific line of code? I know the linenumber and the filename but I would like Mercurial to tell me the author(s) of that specific line of code. Is there a command for that? ...
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MySQL SELECT WHERE datetime matches day (and not necessarily time)

...rds, if my table only contained the following 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25. ...