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android asynctask sending callbacks to ui [duplicate]
...o Android development, AsyncTask is a fast way to make things work without blocking UI thread. It does solves some problems indeed, there is nothing wrong with how the class works itself. However, it brings some implications, such as:
Possibility of memory leaks. If you keep reference to your Acti...
Databinding an enum property to a ComboBox in WPF
...s. All the code is included here to allow you to copy-paste it and not get blocked by link-rot.
I use the System.ComponentModel.DescriptionAttribute which really is intended for design time descriptions. If you dislike using this attribute you may create your own but I think using this attribute re...
What is in your .vimrc? [closed]
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Refer to this script (vim.org/scripts/script.php?script_id=1349) to get the available colors. May need to turn on 256 color support for vim to get a wider variety.
– Brian Wigginton
Dec 13 '10 at 6:33
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Unique ways to use the Null Coalescing operator [closed]
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I just used it today to replace a simple IF block that I wrote before I knew about either ternary or null coalescing operator. The true and false branches of the original IF statement called the same method, replacing one of its arguments with a different value if a ce...
Is a LINQ statement faster than a 'foreach' loop?
...memory collections - e.g. List<Foo>; instead, I should use a foreach block on these collections. The recommendation to use foreach in these contexts does make sense. My concern: should I only replace LINQ queries with foreach if I detect a performance issue? Going forward, I will consider the ...
Convert from enum ordinal to enum type
...n e) {
// Careful, if any exception is thrown out of a static block, the class
// won't be initialized
log.error("Unexpected exception initializing " + ReportTypeEnum.class, e);
}
}
public static ReportTypeEnum fromDbValue(Integer dbValue) {
...
C# “internal” access modifier when doing unit testing
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Wrapping in and #if DEBUG, #endif block will enable this option only in debug builds.
– The Real Edward Cullen
Feb 4 '14 at 16:33
20
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Returning binary file from controller in ASP.NET Web API
... data back to the client. Therefore, do not use a using (var stream = …) block. Web API will dispose the stream for you.
Make sure that the stream has its current position set to 0 (i.e. the beginning of the stream's data). In the above example, this is a given since you've only just opened the fi...
server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
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This was my problem. My university was blocking ntp packets, which was preventing my system from updating time. Once I configured the university ntp servers things were working again. Thanks for this tip!
– Kyle
Mar 9 '15 at...
C# naming convention for constants?
...bably came from preprocessor macros rather than constants (I've never used block caps for true constants). In that context, it makes sense to distinguish the macros from the actual code because a macro may well actually be an expression and not a constant value, its expansion may cause side effects ...