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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...n-Chip) Compiler Time (-O2) Time (-Os) Fastest
AMD Opteron 8350 gcc-4.8.1 0.704s 0.896s -O2
AMD FX-6300 gcc-4.8.1 0.392s 0.340s -Os
AMD E2-1800 gcc-4.7.2 0.740s 0.832s -...
Why is String.chars() a stream of ints in Java 8?
In Java 8, there is a new method String.chars() which returns a stream of int s ( IntStream ) that represent the character codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way?
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Difference in months between two dates
...nsider what happens when two dates span a 31 day month, a 30 day month, a 28 day February or a 29 day February. If the results of your formula deliver what the system requires then it's clearly the right choice. If not, then something else is required.
– Adam Ralph
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What's the purpose of the LEA instruction?
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819
As others have pointed out, LEA (load effective address) is often used as a "trick" to do cert...
How to write a JSON file in C#?
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284
I would recommend Json.Net, see example below:
List<data> _data = new List<data>()...
mongodb group values by multiple fields
...on code is appropriate for usage with current LTS versions of NodeJS from v8.x and v10.x releases. That's mostly for the async/await syntax, but there is nothing really within the general flow that has any such restriction, and adapts with little alteration to plain promises or even back to plain ca...
Operation on every pair of element in a list
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edited Jun 3 '09 at 18:12
answered Jun 3 '09 at 0:24
B...
ASP.NET WebApi unit testing with Request.CreateResponse
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edited Jul 20 '17 at 8:31
SteveC
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answer...
How to remove last n characters from every element in the R vector
...unctions.
– nfmcclure
May 1 '14 at 18:03
@LucasSeveryn If you want to convert character time representations to dates ...