大约有 47,000 项符合查询结果(耗时:0.0781秒) [XML]

https://stackoverflow.com/ques... 

What does `someObject.new` do in Java?

... 120 It's the way to instantiate a non-static inner class from outside the containing class body, as ...
https://stackoverflow.com/ques... 

CSS 3 slide-in from left transition

... One Relevant Code .wrapper:hover #slide { transition: 1s; left: 0; } In this case, Im just transitioning the position from left: -100px; to 0; with a 1s. duration. It's also possible to move the element using transform: translate(); CSS animation Demo Two #slide { position: abso...
https://stackoverflow.com/ques... 

Should I use 'border: none' or 'border: 0'?

... Both are valid. It's your choice. I prefer border:0 because it's shorter; I find that easier to read. You may find none more legible. We live in a world of very capable CSS post-processors so I'd recommend you use whatever you prefer and then run it through a "compressor". T...
https://stackoverflow.com/ques... 

Generate array of all letters and digits

...g ruby, is it possible to make an array of each letter in the alphabet and 0-9 easily? 7 Answers ...
https://stackoverflow.com/ques... 

How dangerous is it to compare floating point values?

...nt the actual result. An easy example where you can see this is adding x = 0x1fffffe and y = 1 as floats. Here, x has 24 bits of precision in the mantissa (ok) and y has just 1 bit, but when you add them, their bits are not in overlapping places, and the result would need 25 bits of precision. Inste...
https://stackoverflow.com/ques... 

How to normalize a NumPy array to within a certain range?

... 140 audio /= np.max(np.abs(audio),axis=0) image *= (255.0/image.max()) Using /= and *= allows you ...
https://stackoverflow.com/ques... 

How to use if - else structure in a batch file?

... to d copy "%sourceFile%" "%destinationFile%" ) IF %F%==1 IF %C%==0 ( ::moving the file c to d move "%sourceFile%" "%destinationFile%" ) IF %F%==0 IF %C%==1 ( ::copying a directory c from d, /s: boş olanlar hariç, /e:boş olanlar dahil xcopy "%sourceCopyDirectory%" "...
https://stackoverflow.com/ques... 

Geometric Mean: is there a built-in?

...ositive values. gm_mean = function(x, na.rm=TRUE){ exp(sum(log(x[x > 0]), na.rm=na.rm) / length(x)) } Thanks to @ben-bolker for noting the na.rm pass-through and @Gregor for making sure it works correctly. I think some of the comments are related to a false-equivalency of NA values in the d...
https://stackoverflow.com/ques... 

Output data from all columns in a dataframe in pandas [duplicate]

... 280 Use: pandas.set_option('display.max_columns', 7) This will force Pandas to display the 7 colu...
https://stackoverflow.com/ques... 

Comparing numbers in Bash

... answered Sep 7 '13 at 0:48 jordanmjordanm 25k44 gold badges5252 silver badges6363 bronze badges ...