大约有 30,000 项符合查询结果(耗时:0.0586秒) [XML]

https://stackoverflow.com/ques... 

What happened to console.log in IE8?

...ly because $other-browsers mightn't have it and thus die with a JavaScript error. +1 – Kent Fredric Mar 27 '09 at 17:05 8 ...
https://stackoverflow.com/ques... 

Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything

... 1: 8.8.8.8 If the command appears to hang, but eventually spits out the error "can't resolve 'google.com'", then you have the same problem as me. The nslookup command queries the DNS server 8.8.8.8 in order to turn the text address of 'google.com' into an IP address. Ironically, 8.8.8.8 is Googl...
https://stackoverflow.com/ques... 

How to get the type of T from a member of a generic class or method?

... I get an error that it requires a type argument (i.e. <T>) – Joseph Humfrey May 21 '15 at 14:26 ...
https://stackoverflow.com/ques... 

Does it make any sense to use inline keyword with templates?

... f<>(int) {} // OK: inline template<> int g<>(int) {} // error: not inline #endif Compile this, et voila: g++ a.cc b.cc /tmp/ccfWLeDX.o: In function `int g<int>(int)': inlinexx2.cc:(.text+0x0): multiple definition of `int g<int>(int)' /tmp/ccUa4K20.o:inlinexx.cc:(.te...
https://stackoverflow.com/ques... 

How do I round to the nearest 0.5?

...not correct. Since arithmetic with doubles usually has some small rounding errors, an operation such as 4.8 - 4.0 could give for example 0.799999... . In this case the code above would round to 4.5. Also better would to use Math.Floor instead of Math.Truncate, because right now negative numbers are...
https://stackoverflow.com/ques... 

What is the easiest way to duplicate an activerecord record?

... When I do this, I get an unknown attribute error with one column because of a column that is there due to a has_many relationship. Is there any way around this? – Ruben Martinez Jr. Jul 5 '14 at 19:57 ...
https://stackoverflow.com/ques... 

wkhtmltopdf: cannot connect to X server

...//www.google.com test.pdf If it works, then you are done. If you get the error "Cannot connect to X server" then continue to number 7. We need to run it headless on a 'virtual' x server. We will do this with a package called xvfb. sudo apt-get install xvfb We need to write a little shell script...
https://stackoverflow.com/ques... 

Is there a way to detect if a browser window is not currently active?

I have JavaScript that is doing activity periodically. When the user is not looking at the site (i.e., the window or tab does not have focus), it'd be nice to not run. ...
https://stackoverflow.com/ques... 

specify project file of a solution using msbuild

I want the commandline for building a particular project of a solution using msbuild like we do with devenv.com.In devenv.com we can specify a project of a solution using following commandline ...
https://stackoverflow.com/ques... 

How to print out the method name and line number and conditionally disable NSLog?

... This code causes an unused variable error in Xcode 5.1 if not running in DEBUG :( – yonix Mar 18 '14 at 13:11 ...