大约有 6,800 项符合查询结果(耗时:0.0254秒) [XML]

https://stackoverflow.com/ques... 

Git branching strategy integated with testing/QA process

...n the business side of things since requirements can be hard to understand vs the technicals. When a bug or feature is ready for testing it goes into "bronze". This triggers a jenkins build that pushes the code to a pre-built environment. Our testers (not super techies by the way) just hit a link a...
https://stackoverflow.com/ques... 

Selecting data frame rows based on partial string match in a column

..."Merc", rownames(mtcars)), ] mpg cyl disp hp drat wt qsec vs am gear carb # Merc 240D 24.4 4 146.7 62 3.69 3.19 20.0 1 0 4 2 # Merc 230 22.8 4 140.8 95 3.92 3.15 22.9 1 0 4 2 # Merc 280 19.2 6 167.6 123 3.92 3.44 18.3 1 0 4 4 # Merc 280C 17....
https://stackoverflow.com/ques... 

What can MATLAB do that R cannot do? [closed]

...urch you happen to frequent". It's best if you look at the MATLAB toolkit vs. CRAN for a specific task before you decide. A similar question asked on R-Help a few years ago and again more recently. David Hiebeler (at the University of Maine) maintains an extensive R/MATLAB comparison, and is th...
https://stackoverflow.com/ques... 

vbscript output to console

... Also found an explanation about GetStandardStream() vs WScript.StdIn/.StdOut/.StdErr : "VBScript in a Nutshell: A Desktop Quick Reference (2nd Edition)" books.google.fr/books?id=NLpuZSatG3QC page 298 says it's "functionnaly equivalent". – maxxyme ...
https://stackoverflow.com/ques... 

What's the difference between IComparable & IEquatable interfaces?

... determines the equality of instances of the implementing type. Equals vs. CompareTo share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Why is enum class preferred over plain enum?

...: enum class Color1 { RED, GREEN, BLUE }. Accessing is similar: COLOR1_RED vs Color1::RED, but the Enum version requires you type "COLOR1" in each value, which gives more room for typos, which the namespace behaviour of an enum class avoids. – cdgraham Mar 5 '1...
https://stackoverflow.com/ques... 

What is a memory fence?

...tion? (I am not alpha user, but asking about the effect of very reordering vs restricted reordering). So what are the downsides of lot reordering (except of risk of undefined behaviour , but I would guess, most modern CPUs should have resolved good reordering and have implemented only defined reord...
https://stackoverflow.com/ques... 

Purpose of ESI & EDI registers?

...rparts, if you didn't learn ASM in 1985). Among these are REP STOSB REP MOVSB REP SCASB Which are, respectively, operations for repeated (= mass) storing, loading and scanning. What you do is you set up SI and/or DI to point at one or both operands, perhaps put a count in CX and then let 'er rip....
https://stackoverflow.com/ques... 

Static variables in JavaScript

...ry faster than in the class in Firefox. jsperf.com/static-counter-in-class-vs-in-closure – Sony Santos Dec 9 '14 at 11:19 ...
https://stackoverflow.com/ques... 

How to overload the operator++ in two different ways for postfix a++ and prefix ++a?

... This code also shows the prefix vs. postfix performance difference. If the object you are returning doesn't fit into a CPU register, then you are doing an expensive copy operation. This is fine if you need to use the pre-incremented value, but if you don'...