大约有 46,000 项符合查询结果(耗时:0.0478秒) [XML]

https://stackoverflow.com/ques... 

HTML anchor link - href and onclick both?

...href attribute, I'd return "-1" to prevent the default action, which is usually the browser jumping tot he top of the page, or sometimes I'd just not return anything. Lately I've had to revise all those pages as @Amber advised... to specifically return false, if I don't want the page to jump. ...
https://stackoverflow.com/ques... 

How to tell if node.js is installed or not

I've recently installed node.js and I have no idea how to run applications. I installed node.js but couldn't find further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such: ...
https://stackoverflow.com/ques... 

What are the -Xms and -Xmx parameters when starting JVM?

... The flag Xmx specifies the maximum memory allocation pool for a Java virtual machine (JVM), while Xms specifies the initial memory allocation pool. This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of ...
https://stackoverflow.com/ques... 

How to detect page zoom level in all modern browsers?

...n bigger mess than it was when this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom level. Edit (2011-12-12): I've added a project that can be cloned: https://github.com/t...
https://stackoverflow.com/ques... 

Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?

...he misses on matice1 are not the problem because they are accessed sequentially. However for matice2 if a full column fits in L2 (i.e when you access matice2[0, 0], matice2[1, 0], matice2[2, 0] ... etc, nothing gets evicted) than there is no problem with cache misses with matice2 either. Now to go ...
https://stackoverflow.com/ques... 

Django REST framework: non-model serializer

...urn JSON and XML to the API consumer. You can also enable YAML by just installing the required python module. Django-rest-framework will output any basic object like dict, list and tuple without any extra work on your part. So basically you only have to create the function or class that takes in ar...
https://stackoverflow.com/ques... 

How do I set a variable to the output of a command in Bash?

... be done with $(command) or "$(command)", which I find easier to read, and allows for nesting. OUTPUT=$(ls -1) echo "${OUTPUT}" MULTILINE=$(ls \ -1) echo "${MULTILINE}" Quoting (") does matter to preserve multi-line variable values; it is optional on the right-hand side of an assignment, as w...
https://stackoverflow.com/ques... 

Setting up two different static directories in node.js Express framework

... facetcounterfacetcounter 1,52911 gold badge99 silver badges22 bronze badges ...
https://stackoverflow.com/ques... 

Can a variable number of arguments be passed to a function?

...able to pass any number of arguments. def manyArgs(*arg): print "I was called with", len(arg), "arguments:", arg >>> manyArgs(1) I was called with 1 arguments: (1,) >>> manyArgs(1, 2, 3) I was called with 3 arguments: (1, 2, 3) As you can see, Python will unpack the arguments...
https://stackoverflow.com/ques... 

Can I have an IF block in DOS batch file?

...t, and the opening parenthesis. I am setting @echo off to keep from seeing all of the statements printed to the console as they execute, and instead just see the output of those that specifically begin with echo. I'm using the built-in ERRORLEVEL variable just as a test. Read more here ...