大约有 40,000 项符合查询结果(耗时:0.0898秒) [XML]

https://stackoverflow.com/ques... 

Python to print out status bar and percentage

... There's a Python module that you can get from PyPI called progressbar that implements such functionality. If you don't mind adding a dependency, it's a good solution. Otherwise, go with one of the other answers. A simple example of how to use it: import progressbar from time...
https://stackoverflow.com/ques... 

Why is my program slow when looping over exactly 8192 elements?

...much slower than transposing a matrix of 513x513? Matrix multiplication: Small difference in matrix size, large difference in timings But that's only because there's one other problem with the code. Starting from the original loop: for(i=1;i<SIZE-1;i++) for(j=1;j<SIZE-1;j++) { ...
https://stackoverflow.com/ques... 

Difference between UTF-8 and UTF-16?

...c. occupy one byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases. No null bytes, which allows to use null-terminated strings, this introduces a great deal of backwards compatibility too. UT...
https://stackoverflow.com/ques... 

What is a 'Closure'?

... scope When you declare a local variable, that variable has a scope. Generally, local variables exist only within the block or function in which you declare them. function() { var a = 1; console.log(a); // works } console.log(a); // fails If I try to access a local variable, most languag...
https://stackoverflow.com/ques... 

HTML encoding issues - “” character showing up instead of “ ”

... Found another source This works in all browsers – Richard Ayotte Feb 19 '12 at 12:57 ...
https://stackoverflow.com/ques... 

What do hjust and vjust do when making a plot using ggplot?

... I have tried that, and I get Error in grid.Call("L_textBounds", as.graphicsAnnot(x$label), x$x, x$y, : Polygon edge not found (zero-width or zero-height?) for vjust = .72 and higher. – William Gunn Sep 3 '11 at 0:48 ...
https://stackoverflow.com/ques... 

Find if variable is divisible by 2

...you didn't make me feel like an idiot for asking the question...which (for all the others who don't already know) is a big deal to new jQuery/Javascript developers. – sadmicrowave May 13 '10 at 11:54 ...
https://stackoverflow.com/ques... 

Exclude folders from Eclipse search

Is there a way to exclude certain folders (and all their subfolders) from searching within Eclipse? 6 Answers ...
https://stackoverflow.com/ques... 

Windows batch files: .bat vs .cmd?

...g that my code will never need to run on anything older than NT, does it really matter which way I name my batch files, or is there some gotcha awaiting me by using the wrong suffix? ...
https://stackoverflow.com/ques... 

Validating parameters to a Bash script

...ant script as far as I can tell; it doesn't use any bashisms, which is actually important because /bin/sh on Ubuntu is actually dash these days, not bash. share | improve this answer | ...