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Logger slf4j advantages of formatting with {} instead of string concatenation
...ameters since API version 1.7.
For those cases where you need more than 2 and you're stuck with pre-1.7 SLF4J, then just use either string concatenation or new Object[] { param1, param2, param3, ... }. There should be few enough of them that the performance is not as important.
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Finding three elements in an array whose sum is closest to a given number
Given an array of integers, A 1 , A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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HintPath vs ReferencePath in Visual Studio
What exactly is the difference between the HintPath in a .csproj file and the ReferencePath in a .csproj.user file? We're trying to commit to a convention where dependency DLLs are in a "releases" svn repo and all projects point to a particular release. Since different developers have differen...
In git, what is the difference between merge --squash and rebase?
I'm new to git and I'm trying to understand the difference between a squash and a rebase. As I understand it you perform a squash when doing a rebase.
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JS: Check if date is less than 1 hour ago?
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return moment(date).isAfter(moment().subtract(1, 'hours'));
}
Shorthand syntax with Moment:
const lessThanOneHourAgo = (date) => moment(date).isAfter(moment().subtract(1, 'hours'));
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RESTful Authentication via Spring
...(user/pass combo) with each request is not desirable. Per REST guidelines (and internal business requirements), the server must remain stateless. The API will be consumed by another server in a mashup-style approach.
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Locking pattern for proper use of .NET MemoryCache
... thread safe you don't need to lock on the initial read, you can just read and if the cache returns null then do the lock check to see if you need to create the string. It greatly simplifies the code.
const string CacheKey = "CacheKey";
static readonly object cacheLock = new object();
private stati...
How do I delete an exported environment variable?
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unset is the command you're looking for.
unset GNUPLOT_DRIVER_DIR
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What exactly is RESTful programming?
... it was originally envisioned. Lookups should use GET requests. PUT, POST, and DELETE requests should be used for mutation, creation, and deletion respectively.
REST proponents tend to favor URLs, such as
http://myserver.com/catalog/item/1729
but the REST architecture does not require these "pre...
return statement vs exit() in main()
...he return statements because I feel it's like reading any other function and the flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return seems like a better choice than exit() .
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