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Is there hard evidence of the ROI of unit testing?
... the fundamental values of agile teams) or lost based on role power of the winning party. Even if the TDD-proponents win based on role power I'd count it as lost.
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Maximum Length of Command Line String
In Windows, what is the maximum length of a command line string? Meaning if I specify a program which takes arguments on the command line such as abc.exe -name=abc
...
What is the difference between Pan and Swipe in iOS?
...here's a conflict between pan and swipe. Most likely, your pan recognizer "wins" the conflict because its gesture is simpler / more general: A swipe is a pan but a pan may not be a swipe, so the pan recognizes first and excludes other recognizers.
You should be able to resolve this conflict using t...
What are the pros and cons of performing calculations in sql vs. in your application
shopkeeper table has following fields:
13 Answers
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...iplication, where my answer has a section on why rcpps is not a throughput win anymore. (Or a latency win), and numbers on divide throughput/latency.
– Peter Cordes
Apr 25 '18 at 11:38
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String concatenation: concat() vs “+” operator
...thod should be faster. However, with more strings the StringBuilder method wins, at least in terms of performance.
The source code of String and StringBuilder (and its package-private base class) is available in src.zip of the Sun JDK. You can see that you are building up a char array (resizing as ...
How to get error message when ifstream open fails
...lying functions may not set errno at all (direct system calls on Linux, or Win32). This doesn't work on many real world implementations.
– strcat
Mar 12 '14 at 6:40
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Does pandas iterrows have performance issues?
...ly at the start of the iteration; this savings alone is one of the biggest wins.
Better caching: Iterating over a C array is cache-friendly and thus very fast. A pandas DataFrame is a "column-oriented table", which means that each column is really just an array. So the native actions you can perform...
What is the difference between include and extend in Ruby?
...ils about include, with its default behavior, assuming you've run the following code
class Klazz
include Mod
end
If Mod is already included in Klazz, or one of its ancestors, the include statement has no effect
It also includes Mod's constants in Klazz, as long as they don't clash
It gives Kla...
Benefits of EBS vs. instance-store (and vice-versa) [closed]
...stance storage that I see are cost-savings. Otherwise EBS-backed instances win. Eric mentioned all the advantages.
[2012-07-16] I would phrase this answer a lot different today.
I haven't had any good experience with EBS-backed instances in the past year or so. The last downtimes on AWS pretty m...