大约有 31,100 项符合查询结果（耗时：0.0591秒） [XML]
Why use argparse rather than optparse?
... example of this than command-line parsers -- but the email package vs the myriad old ways to deal with similar issues isn't too far away either;-).
You may make threatening grumbles in the docs about the old ways being "deprecated", but (as long as you need to keep backwards compatibility) you can...
How to use Greek symbols in ggplot2?
My categories need to be named with Greek letters. I am using ggplot2 , and it works beautifully with the data. Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it?
...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...ivss. See Floating point division vs floating point multiplication, 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
...
What is the memory consumption of an object in Java?
...s this information by class reference. Example of an output for Integer on my environment:
Running 64-bit HotSpot VM.
Using compressed oop with 3-bit shift.
Using compressed klass with 3-bit shift.
Objects are 8 bytes aligned.
Field sizes by type: 4, 1, 1, 2, 2, 4, 4, 8, 8 [bytes]
Array element siz...
Cancel split window in Vim
I have split my windows horizontally. Now how can I return to normal mode, i.e. no split window just one window without cancelling all of my open windows. I have 5 and do not want to "quit", just want to get out of split window.
...
Design by contract using assertions or exceptions? [closed]
...tions and eventually going out of sync? I mean on reader part it is always my mistake if I am trying to read the things the wrong way so I tend to use asserts, but on the other hand I have external data, which can eventually change format without notice.
– Slava
...
AngularJS ng-click stopPropagation
...herwise calling $event.stopPropagation() was redirecting me to the root of my app when clicking the button.
– Desty
Oct 21 '15 at 16:13
|
sh...
How to select between brackets (or quotes or …) in Vim?
... been searching and asking for something similar and wasn't satisfied with my results. Awesome.
– alfredodeza
Nov 18 '10 at 13:38
...
Check if string begins with something? [duplicate]
...: jsperf.com/starts-with/2 . Substring method appears to be the fastest on my machine (with V8).
– Pijusn
Jul 20 '13 at 19:34
21
...
How to change background color in android app
I want to be able to change the background color to white in my android app in the simplest way possible.
19 Answers
...