大约有 32,294 项符合查询结果(耗时:0.0520秒) [XML]

https://stackoverflow.com/ques... 

How can one check to see if a remote file exists using PHP?

... +1. Is there what are the drawbacks for this solution against the CURL one? – Adriano Varoli Piazza Apr 15 '10 at 13:50 ...
https://stackoverflow.com/ques... 

Postgres: INSERT if does not exist already

... This works fine. The only problem is the coupling I guess: what if one modifies the table such that more columns are unique. In that case all the scripts must be modified. It would be nice if there was a more generic way to do this... – Willem Van Onsem ...
https://stackoverflow.com/ques... 

How to know if two arrays have the same values

...rr1, arr2); // `true` This second solution using Underscore is closer to what you were trying to do: arr1.sort(); arr2.sort(); _.isEqual(arr1, arr2); // `true` It works because isEqual checks for "deep equality," meaning it looks at more than just reference equality and compares values. A sol...
https://stackoverflow.com/ques... 

Can I use CASE statement in a JOIN condition?

... what conditional join means? Each join (excluding cross) is a conditional. How this case is different from any other? Your sample has inner join with condition, as well as OPs query has join with condition. ...
https://stackoverflow.com/ques... 

How to run Conda?

... For me what worked is adding export PATH=$PATH:$HOME/opt/anaconda3/bin to the end of the zsh file – Mahmoud Felfel May 10 at 22:23 ...
https://stackoverflow.com/ques... 

How would you access Object properties from within an object method? [closed]

What is the "purist" or "correct" way to access an object's properties from within an object method that is not a getter/setter method? ...
https://stackoverflow.com/ques... 

Where can I find the IIS logs?

...in their install guide, but am having some problems, and would like to see what the IIS log has to say. Embarrassingly enough, the problem is I can't find the log files! ...
https://stackoverflow.com/ques... 

ASP.NET MVC Ajax Error handling

... Thanks for this, The latter was what I was looking for. So for the asp.net mvc exception, is there a specific way I need to throw it so it can be caught by the jquery error handler? – Shawn Mclean Jan 16 '11 at 20:16 ...
https://stackoverflow.com/ques... 

C state-machine design [closed]

...NY, &FsmError} }; #define TRANS_COUNT (sizeof(trans)/sizeof(*trans)) What that means is: if you're in the ST_INIT state and you receive the EV_KEYPRESS event, make a call to GotKey. The workings of the FSM then become a relatively simple loop: state = ST_INIT; while (state != ST_TERM) { ...
https://stackoverflow.com/ques... 

How to copy a file to a remote server in Python using SCP or SSH?

... @Drahkar the question asks for the file to be sent over SSH. That's what this does. – Tony Meyer Sep 20 '12 at 21:50 9 ...