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Is there a shortcut to make a block comment in Xcode?
I'm writing ANSI-compatible C code, and hence I can't use the line ( // ) comment. I'm using Xcode. In Sublime Text and Eclipse, and I think most other IDEs, there are separate keyboard shortcuts for line comments and block comments ( /**/ ). However, I don't see that in Xcode - in fact, I don't eve...
MySQL Cannot drop index needed in a foreign key constraint
... to add a column. Consequently I also want to update the UNIQUE field to encompass that new column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
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Android draw a Horizontal line between views
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Jquery live() vs delegate() [duplicate]
... #containerElement. You can do the same thing with live, but the syntax becomes increasingly horrid.
Specifying a context for your events to be captured also improves performance. With the live example, every single click on the entire document has to be compared with the selector a.myClass to se...
What exactly do “IB” and “UB” mean?
...context of C++. I've tried googling them, but apparently those two-letter combinations see a lot of use. :P
5 Answers
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How to compare UIColors?
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By the way: Be careful when comparing colors this way, because they have to be in the same color model to be considered equal. For instance, #ffffff does not equal [UIColor whiteColor].
– zoul
Oct 19 '09 at 16:41
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How to delete a file via PHP?
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I wonder how w3shools is doing this? w3schools.com/php/func_filesystem_delete.asp
– Fr0zenFyr
Aug 28 '15 at 19:35
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How do I pass a class as a parameter in Java?
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How to copy a java.util.List into another java.util.List
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Javadoc: docs.oracle.com/javase/1.4.2/docs/api/java/util/…
– lcguida
Jan 14 '13 at 13:55
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Objective-C categories in static library
...d by (citation from apple Technical Q&A QA1490 https://developer.apple.com/library/content/qa/qa1490/_index.html):
Objective-C does not define linker
symbols for each function (or method,
in Objective-C) - instead, linker
symbols are only generated for each
class. If you extend a pre-existing
c...