大约有 40,000 项符合查询结果(耗时:0.0682秒) [XML]

https://stackoverflow.com/ques... 

Clear form field after select for jQuery UI Autocomplete

...it works around line 109 here. The code in there checks for false specifically: if ( false !== self._trigger( "select", event, { item: item } ) ) { self.element.val( item.value ); } share | imp...
https://stackoverflow.com/ques... 

Why do people say that Ruby is slow? [closed]

I like Ruby on Rails and I use it for all my web development projects. A few years ago there was a lot of talk about Rails being a memory hog and about how it didn't scale very well but these suggestions were put to bed by Gregg Pollack here. ...
https://stackoverflow.com/ques... 

How do I create a link using javascript?

....attr('href',desiredLink); a.text(desiredText); $('body').append(a); In all the above examples you can append the anchor to any element, not just to the 'body', and desiredLink is a variable that holds the address that your anchor element points to, and desiredText is a variable that holds the te...
https://stackoverflow.com/ques... 

remove legend title in ggplot

... This will remove all legend titles. For more local control, the guide = guide_legend() command works. To remove the fill legend title, but to keep the color legend title, e.g. scale_fill_brewer(palette = "Dark2", guide = guide_legend(title = ...
https://stackoverflow.com/ques... 

Generate random 5 characters string

... clami219 2,69211 gold badge2323 silver badges3838 bronze badges answered Jun 29 '16 at 22:25 Apurba PathakApurba Pathak ...
https://stackoverflow.com/ques... 

How to install both Python 2.x and Python 3.x in Windows

...I need to use the Python Imaging Library (PIL), ImageMagick, and wxPython, all of which require Python 2.x. 18 Answers ...
https://stackoverflow.com/ques... 

Is there a ceiling equivalent of // operator in Python?

...t shy of an order of magnitude faster than forcing the float division and calling ceil(), provided you care about the speed. Which you shouldn't, unless you've proven through usage that you need to. >>> timeit.timeit("((5 - 1) // 4) + 1", number = 100000000) 1.7249219375662506 >>>...
https://stackoverflow.com/ques... 

Keyboard shortcut to comment lines in Sublime Text 3

In Sublime Text 2 it was possible to comment out a line or a block of lines with Ctrl + / and Ctrl + Shift + / . According to the menu Edit > Comment these shortcuts should be valid, but in Sublime Text 3 (build 3047) they no longer seem to work. Does anybody know the right default keyboard...
https://stackoverflow.com/ques... 

How do I check if a variable exists?

...have nested functions, variables in outer scopes. If you want to check for all of them, you're probably best off triggering NameError after all. – Petr Viktorin Jun 10 '14 at 20:18 ...
https://stackoverflow.com/ques... 

Flask raises TemplateNotFound error even though template file exists

....py templates/ home.html myproject/ mypackage/ __init__.py templates/ home.html Alternatively, if you named your templates folder something other than templates and don't want to rename it to the default, you can tell Flask to use that other director...