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Why sizeof int is wrong, while sizeof(int) is right?
...n imagine why it didn't bother. With the language as it stands, a type specifier never appears "naked" in an expression, and so there is no need for rules to resolve whether that second * is part of the type or an arithmetic operator.
The existing grammar does already resolve the potential ambiguit...
Converting between java.time.LocalDateTime and java.util.Date
...va.util.Date instance has no concept of time-zone. This might seem strange if you call toString() on a java.util.Date, because the toString is relative to a time-zone. However that method actually uses Java's default time-zone on the fly to provide the string. The time-zone is not part of the actual...
Access key value from Web.config in Razor View-MVC3 ASP.NET
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What's the difference between @Anwar's answer and yours? Besides the naming ;)
– Nate-Wilkins
Oct 11 '13 at 16:40
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How does '20 seconds' work in Scala?
...ationInt is a value class, so the compiler will avoid wrapping the integer if possible.
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Is there an R function for finding the index of an element in a vector?
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%in% returns a logical vector as long as the first argument, with a TRUE if that value can be found in the second argument and a FALSE otherwise.
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How to get a reference to current module's attributes in Python
...n't know what you're trying to do, but you may want to rethink your design if you need that.
– Maciej Pasternacki
Jul 24 '12 at 14:37
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Find lines from a file which are not present in another file [duplicate]
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The command you have to use is not diff but comm
comm -23 a.txt b.txt
By default, comm outputs 3 columns: left-only, right-only, both. The -1, -2 and -3 switches suppress these columns.
So, -23 hides the right-only and both columns, showing the lines that a...
What's the difference between :: (double colon) and -> (arrow) in PHP?
There are two distinct ways to access methods in PHP, but what's the difference?
6 Answers
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Sorting an IList in C#
...You do need to be quick to get answers in here. As I presented a slightly different syntax to the other answers, I will leave my answer - however, the other answers presented are equally valid.
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Python subprocess/Popen with a modified environment
I believe that running an external command with a slightly modified environment is a very common case. That's how I tend to do it:
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