大约有 46,000 项符合查询结果(耗时:0.0387秒) [XML]

https://stackoverflow.com/ques... 

A cron job for rails: best practices?

... I'm using the rake approach (as supported by heroku) With a file called lib/tasks/cron.rake .. task :cron => :environment do puts "Pulling new requests..." EdiListener.process_new_messages puts "done." end To execute from the command line, this is just "rake cron". This command ...
https://stackoverflow.com/ques... 

Different font size of strings in the same TextView

... is there a way to move the characters which are small to the center in the vertical direction? Basically all the characters should be vertically centered regardless of the size. – 500865 Sep 23 '16 at 22:16 ...
https://stackoverflow.com/ques... 

Node.js: How to send headers with form data using request module?

... | edited Mar 9 '16 at 11:12 c24w 5,62544 gold badges3232 silver badges4545 bronze badges answered Ju...
https://stackoverflow.com/ques... 

Stack Memory vs Heap Memory [duplicate]

...C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporary and heap memory is...
https://stackoverflow.com/ques... 

How to measure time taken between lines of code in python?

... phoenix 3,20611 gold badge2727 silver badges3131 bronze badges answered Jan 22 '13 at 5:34 Yevgen YampolskiyYevgen...
https://stackoverflow.com/ques... 

“Debug certificate expired” error in Eclipse Android plugins

... Upon installation, the Android SDK generates a debug signing certificate for you in a keystore called debug.keystore. The Eclipse plug-in uses this certificate to sign each application build that is generated. Unfortunately a debug ...
https://stackoverflow.com/ques... 

ASP.NET Temporary files cleanup

...ur! – Andrea Scarcella Jul 3 '13 at 11:48 40 Worth noting that you mustn't delete the Temporary A...
https://stackoverflow.com/ques... 

File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?

... answered Nov 10 '11 at 5:46 Bringer128Bringer128 6,33922 gold badges2727 silver badges5555 bronze badges ...
https://stackoverflow.com/ques... 

How to use `subprocess` command with pipes

... answered Nov 11 '12 at 14:58 TaymonTaymon 21.1k66 gold badges5656 silver badges7878 bronze badges ...
https://stackoverflow.com/ques... 

What is the difference between a thread and a fiber?

... In the most simple terms, threads are generally considered to be preemptive (although this may not always be true, depending on the operating system) while fibers are considered to be light-weight, cooperative threads. Both are separate execution paths for your applic...