大约有 47,000 项符合查询结果(耗时:0.0494秒) [XML]

https://stackoverflow.com/ques... 

Turn a number into star rating display using jQuery and CSS

I have been looking at jquery plugin and was wondering how to adapt that plugin to turn a number (like 4.8618164) into a 4.8618164 stars filled out of 5. Basically interpreting a number ...
https://stackoverflow.com/ques... 

HTTP vs HTTPS performance

Are there any major differences in performance between http and https? I seem to recall reading that HTTPS can be a fifth as fast as HTTP. Is this valid with the current generation webservers/browsers? If so, are there any whitepapers to support it? ...
https://stackoverflow.com/ques... 

Why I can't change directories using “cd”?

... Shell scripts are run inside a subshell, and each subshell has its own concept of what the current directory is. The cd succeeds, but as soon as the subshell exits, you're back in the interactive shell and nothing ever changed there. One way to get around this is t...
https://stackoverflow.com/ques... 

Formatting code in Notepad++

...shortcut to format code in Notepad++ ? I'm mainly working with HTML, CSS and Python code. 12 Answers ...
https://stackoverflow.com/ques... 

Bootstrap Dropdown menu is not working

...n my machine. Anyone have any ideas? I have been staring at it for an hour and can't seem to figure out what the problem is. ...
https://stackoverflow.com/ques... 

[ :Unexpected operator in shell programming [duplicate]

...et of sh syntax - the /bin/sh executable on your system may provide only standard sh functionality, in which []-style tests are not included. – Tim Aug 5 '10 at 1:17 13 ...
https://stackoverflow.com/ques... 

Function in JavaScript that can be called only once

...y once, in each time after the first it won't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this? ...
https://stackoverflow.com/ques... 

Android Shared preferences for creating one time activity (example) [closed]

I have three activities A,B and C where A and B are forms and after filling and saving the form data in database(SQLITE). I am using intent from A to B and then B to C.What i want is that every time I open my app I want C as my home screen and not A and B anymore. ...
https://stackoverflow.com/ques... 

MySQL, better to insert NULL or empty string?

...a lot of different fields. Some of the fields are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data? ...
https://stackoverflow.com/ques... 

Pass a data.frame column name to a function

I'm trying to write a function to accept a data.frame ( x ) and a column from it. The function performs some calculations on x and later returns another data.frame. I'm stuck on the best-practices method to pass the column name to the function. ...