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How to check whether a script is running under Node.js?
...ly thing commonJS specifies is that A: The modules will be included via a call to the function require and B: The modules exports things via properties on the exports object. Now how that is implement is left to the underlying system. Node.js wraps the module's content in an anonymous function:
fun...
Using Java 8's Optional with Stream::flatMap
...latMap(Optional::stream)
.findFirst();
Java 8
Yes, this was a small hole in the API, in that it's somewhat inconvenient to turn an Optional<T> into a zero-or-one length Stream<T>. You could do this:
Optional<Other> result =
things.stream()
.map(this::resolv...
SQL multiple column ordering
I am trying to sort by multiple columns in SQL, and in different directions. column1 would be sorted descending, and column2 ascending.
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Warning: “format not a string literal and no format arguments”
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And once again on SO, the detailed and good answers fall to the wayside. THANK YOU for explaining this fully. I would've never figured this out.
– Dan Rosenstark
Feb 27 '10 at 14:29
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Semicolon before self-invoking function? [duplicate]
...mi-colons don't hurt, but no semi-colons do, so it's a safety issue, especially relevant for larger projects
– fncomp
Sep 9 '11 at 17:27
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How do ports work with IPv6?
Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of a webserver on the loopback interface:
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What is the difference between jQuery's mouseout() and mouseleave()?
What is the difference between jQuery's mouseout() and mouseleave()?
4 Answers
4
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WPF Timer Like C# Timer
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The usual WPF timer is the DispatcherTimer, which is not a control but used in code. It basically works the same way like the WinForms timer:
System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threadin...
How to download .zip from GitHub for a particular commit sha?
I want to download a .zip with the source of a library hosted on github, but I don't want the master, because every time I download I could be downloading a different version.
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Convert INT to VARCHAR SQL
I am using Sybase and I am doing a select which returns me a column called "iftype", but its type is int and I need to convert into varchar. When I try to do the select without the convert function I get this error:
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