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What is a Manifest in Scala and when do you need it?
...tail.
One common use of Manifests is to have your code behave differently based on the static type of a collection. For example, what if you wanted to treat a List[String] differently from other types of a List:
def foo[T](x: List[T])(implicit m: Manifest[T]) = {
if (m <:< manifest[Str...
How do I update the GUI from another thread?
...
Handling long work
Since .NET 4.5 and C# 5.0 you should use Task-based Asynchronous Pattern (TAP) along with async-await keywords in all areas (including the GUI):
TAP is the recommended asynchronous design pattern for new development
instead of Asynchronous Programming Model (APM) a...
Does Spring @Transactional attribute work on a private method?
...ng logic chooses not to do so. The second point is only true for interface-based JDK proxies, but not for CGLIB subclass-based proxies.
– skaffman
Dec 9 '10 at 9:58
...
How to impose maxlength on textArea in HTML using JavaScript
... works if you do not need to screen for paste. See this answer for a timer based approach stackoverflow.com/a/10390626/1026459
– Travis J
Apr 30 '12 at 21:18
...
How to convert JSON to XML or XML to JSON?
...boration of what my short (and heavily downvoted at some point) answer was based on -- there are many, many pitfalls if you do blind direct conversion. They may not be blocking issues for specific usage, but can also be very nasty for others.
– StaxMan
Jan 12 '...
How to redirect cin and cout to files?
...cout("output.txt");
// optional performance optimizations
ios_base::sync_with_stdio(false);
std::cin.tie(0);
std::cin.rdbuf(cin.rdbuf());
std::cout.rdbuf(cout.rdbuf());
func();
}
Note that ios_base::sync_with_stdio also resets std::cin.rdbuf. So the order matters.
S...
Best way to turn an integer into a month name in c#?
...(Month), "0");
This will produce "Jan" as result.
Remember this is zero-based index.
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Rotated elements in CSS that affect their parent's height correctly
...ses it to have shrink-to-fit width, which means that its width will be set based upon the intrinsic width of its contents - that is, based upon the intrinsic width of .element-to-rotate. (On supporting browsers, we could achieve this more cleanly with width: max-content, but as of December 2017, max...
Reading large text files with streams in C#
...ically maintain the buffer.
December 2014 UPDATE: Your Mileage May Vary
Based on the comments, FileStream should be using a BufferedStream internally. At the time this answer was first provided, I measured a significant performance boost by adding a BufferedStream. At the time I was targeting .NE...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
...nd keep them up to date for different targets etc. Also, in our mixed codebase, we didn't want to make remember to set our flags appropriately all the time for each language.
For ours, we declared a file in ObjC
PreProcessorMacros.h
extern BOOL const DEBUG_BUILD;
In the .m
PreProcessorMacros....