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EC2 instance types's exact network performance?
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Bandwidth is tiered by instance size, here's a comprehensive answer:
For t2/m3/c3/c4/r3/i2/d2 instances:
t2.nano = ??? (Based on the scaling factors, I'd expect 20-30 MBit/s)
t2.micro = ~70 MBit/s (qiita says 63 MBit/s) - t1.micro gets about...
How to measure code coverage in Golang?
... The cover tool is part of the go.tools subrepository. It can be installed by running
$ go get golang.org/x/tools/cmd/cover
The cover tool does two things.
First, when "go test" is given the -cover flag, it is run automatically to rewrite the source for the package and insert instrum...
C++ Convert string (or char*) to wstring (or wchar_t*)
... string in your example (おはよう) is a UTF-8 encoded (which it isn't, by the looks of it, but let's assume it is for the sake of this explanation :-)) representation of a Unicode string of your interest, then your problem can be fully solved with the standard library (C++11 and newer) alone.
T...
Why use the 'ref' keyword when passing an object?
...ing. You cannot change the value of a string once it has been created. But by using a ref, you could create a function that changes the string for another one that has a different value.
It is not a good idea to use ref unless it is needed. Using ref gives the method freedom to change the argument f...
How does “cat
...tion? because of upvotes? it was the only one for several years. it's seen by comparing dates.
– Alexei Martianov
Dec 10 '19 at 5:02
add a comment
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Is multiplication and division using shift operators in C actually faster?
...ou mean divide or multiply. I have never once seen someone introduce a bug by forgetting the relative precedence of multiplication and addition. I have seen bugs introduced when maintenance programmers forgot that "multiplying" via a shift is logically a multiplication but not syntactically of the s...
Difference between events and delegates and its respective applications [closed]
...the differences.
From a semantics perspective, events are actions raised by an object when certain conditions are met. For example, my Stock class has a property called Limit, and it raises an event when the stock prices reaches the Limit. This notification is done via an event. Whether anyone act...
CSS “and” and “or”
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&& works by stringing-together multiple selectors like-so:
<div class="class1 class2"></div>
div.class1.class2
{
/* foo */
}
Another example:
<input type="radio" class="class1" />
input[type="radio"].class1
{...
The shortest possible output from git log containing author and date
... Using timezon
ae62afd tobias Tue Nov 25 21:42:55 2008 +0000 Fixed #67 by adding time zone supp
164be7e mads Tue Nov 25 19:56:43 2008 +0000 fixed tests, and a 'unending appoi
93f1526 jesper Tue Nov 25 09:45:56 2008 +0000 adding time.ZONE.now as time zone
2f0f8c1 tobias Tue Nov 25 0...
What is the best way to count “find” results?
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Note that you can shave off a few more nanoseconds by not quoting the dot in -printf '.'
– Jens
Mar 27 '13 at 16:42
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