大约有 47,000 项符合查询结果(耗时:0.0666秒) [XML]

https://stackoverflow.com/ques... 

Tuples( or arrays ) as Dictionary keys in C#

...string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would probably not be very pretty to look at, though it is how I would do it in javascript. ...
https://stackoverflow.com/ques... 

What are the differences between poll and select?

...is library function both have this limit. But I see that BSD/OS 2.1 has now been coded to avoid this limit, so it's doable, just a small matter of programming. :-) Someone should file a Solaris bug report on this, and see if it ever gets fixed. With poll(), however, the user must alloc...
https://stackoverflow.com/ques... 

What does the number in parentheses shown after Unix command names in manpages mean?

...ant is that many years ago when disk space was more of an issue than it is now the sections could be installed individually. Many systems only had 1 and 8 installed for instance. These days people tend to look the commands up on google instead. ...
https://stackoverflow.com/ques... 

What is the behavior difference between return-path, reply-to and from?

...olstuff-threadId=123@mymailinglist.com> This is a very simple body. Now, let's say you are going to send it from a mailing list, that implements VERP (or some other bounce tracking mechanism that uses a different return-path). Lets say it will have a return-path of coolstuff-you=yourcompany....
https://stackoverflow.com/ques... 

Loop through an array in JavaScript

...e this: var x = [1,2,3,4].map( function(item) {return item * 10;}); And now x is [10,20,30,40]. You don't have to write the function inline. It could be a separate function. var item_processor = function(item) { // Do something complicated to an item } new_list = my_list.map(item_process...
https://stackoverflow.com/ques... 

Why is using onClick() in HTML a bad practice?

...L is a bad practice, because it's not good for semantics. I would like to know what the downsides are and how to fix the following code? ...
https://stackoverflow.com/ques... 

How do I set up DNS for an apex domain (no www) pointing to a Heroku app?

...h custom solutions that allow CNAME-like behavior on the zone apex. To my knowledge, we have DNSimple's ALIAS record and DNS Made Easy's ANAME record; both behave similarly. Using those, you could setup your records as (using zonefile notation, even tho you'll probably do this on their web user int...
https://stackoverflow.com/ques... 

How to find out the MySQL root password

... thanks to @thusharaK I could reset the root password without knowing the old password. On ubuntu I did the following: sudo service mysql stop sudo mysqld_safe --skip-grant-tables --skip-syslog --skip-networking Then run mysql in a new terminal: mysql -u root And run the following...
https://stackoverflow.com/ques... 

How to decide between MonoTouch and Objective-C? [closed]

...oing to see big stuff. I love Apple's stack, but I have another playground now - that's a good thing and I'm giddy :) – Rory Blyth Oct 30 '09 at 21:00 4 ...
https://stackoverflow.com/ques... 

Difference between attr_accessor and attr_accessible

...ode to (quickly) create setter and getter methods in a Class. That's all. Now, what is missing as an explanation is that when you create somehow a link between a (Rails) model with a database table, you NEVER, NEVER, NEVER need attr_accessor in your model to create setters and getters in order to b...