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How can I count occurrences with groupBy?
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Perfect! ... from javadoc and then performing a reduction operation on the values associated with a given key using the specified downstream Collector
– Muhammad Hewedy
Aug 22 '14 at 7:04
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How to append contents of multiple files into one file
...d doing it using cp for each file. But that overwrites the contents copied from the previous file. I also tried
10 Answers...
How to use int.TryParse with nullable int? [duplicate]
...Singh: We don't know whether strValue could be null or not. If it's coming from a text box, it probably can't be null. My code doesn't try to address this, but we really don't know whether or not it should address it.
– Jon Skeet
Jun 14 '13 at 17:29
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How to get the screen width and height in iOS?
...hout padding. Simply subtract your app's padding (usually 20 on each side) from these results to get the 'usable' space for most elements
– Nick Daugherty
Aug 30 '12 at 16:25
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Python strftime - date without leading 0?
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It worked for me on OS X, but I'm using the Python 2.7.2 from python.org.
– Tim Swast
Jun 8 '13 at 21:24
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Good or bad practice? Initializing objects in getter
...onstruction of the object could be unsuccessful, resulting in an exception from a property getter. This is yet another violation of POLS and therefore should be avoided. Even the section on properties in the "Design Guidelines for Developing Class Libraries" explicitly states that property getters s...
Performance surprise with “as” and nullable types
...isn't isinst in this case, but the additional unbox.any. This wasn't clear from Hans' answer, as he looked at the JITed code only. In general, the C# compiler will emit an unbox.any after a isinst T? (but will omit it in case you do isinst T, when T is a reference type).
Why does it do that? isinst...
How can you use optional parameters in C#?
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From this site:
http://www.tek-tips.com/viewthread.cfm?qid=1500861&page=1
C# does allow the use of the [Optional] attribute (from VB, though not functional in C#). So you can have a method like this:
using System.Runti...
Insert a line at specific line number with sed or awk
...t vs. append is achieved with '8isomething' vs. '8asomething', independent from the -i-switch.
– user unknown
Dec 23 '14 at 1:28
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Deleting a resource using http DELETE
... all these debates. But that specs has been superseded by RFC 7231. Quoted from RFC 7231, section 4.2.2 Idempotent Methods, emphasis mine:
A request method is considered "idempotent" if the intended EFFECT ON
THE SERVER of multiple identical requests with that method is the
same as the effec...