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Always pass weak reference of self into block in ARC?
...:obj];
}];
The block retains self, but self doesn't retain the block. If one or the other is released, no cycle is created and everything gets deallocated as it should.
Where you get into trouble is something like:
//In the interface:
@property (strong) void(^myBlock)(id obj, NSUInteger idx, BOO...
Rethrowing exceptions in Java without losing the stack trace
.... Not so if I replace it with the broader Exception e. How should this be done properly?
– James P.
Oct 31 '11 at 2:07
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Add custom headers to WebView resource requests - android
...here is no way to set headers at this point.
– MediumOne
Jan 23 '13 at 9:16
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Why is my Spring @Autowired field null?
...The Spring Inversion of Control (IoC) container has three main logical components: a registry (called the ApplicationContext) of components (beans) that are available to be used by the application, a configurer system that injects objects' dependencies into them by matching up the dependencies with ...
Why does Convert.ToString(null) return a different value if you cast null?
...oad and the compiler picks the object overload as it's the only compatible one remaining.
The really hairy details of how this tie breaking works is covered in section 7.4.3 of the C# language spec.
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How to select only the first rows for each unique value of a column
..., and indexes those occurrences by AddressLine. By imposing where row = 1, one can select the CName whose AddressLine comes first alphabetically. If the order by was desc, then it would pick the CName whose AddressLine comes last alphabetically.
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How can I send large messages with Kafka (over 15MB)?
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One key thing to remember that message.max.bytes attribute must be in sync with the consumer's fetch.message.max.bytes property. the fetch size must be at least as large as the maximum message size otherwise there could be si...
How can I export tables to Excel from a webpage [closed]
...e required, and most of all very EASY to understand. It's a win-win. The one thing it does have limits on, though, is strict formatting of columns.
If formatting and colors are absolute dealbreakers, the only 100% reliable, cross browser method I've found is to use a server-side language to proce...
How do I format XML in Notepad++?
... great answer, however i don't have the "Plugin Manager" o_O Can someone help? Was it removed meanwhile?
– fl0w
Feb 26 '18 at 15:43
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Eclipse and Windows newlines
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As mentioned here and here:
Set file encoding to UTF-8 and line-endings for new files to Unix, so that text files are saved in a format that is not specific to the Windows OS and most easily shared across heterogeneous developer ...