大约有 20,362 项符合查询结果(耗时:0.0336秒) [XML]

https://stackoverflow.com/ques... 

Rails: How to list database tables/objects using the Rails console?

I was wondering if you could list/examine what databases/objects are available to you in the Rails console. I know you can see them using other tools, I am just curious. Thanks. ...
https://stackoverflow.com/ques... 

How to indicate param is optional using inline JSDoc?

According to the JSDoc wiki for @param you can indicate a @param is optional using 4 Answers ...
https://stackoverflow.com/ques... 

TypeError: sequence item 0: expected string, int found

I am attempting to insert data from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using: ...
https://stackoverflow.com/ques... 

Count cells that contain any text

I want to count the cells that contain anything within a range. Any cell that contain text, or numbers or something else should do a plus one in my result-cell. ...
https://stackoverflow.com/ques... 

NULL vs nil in Objective-C

In observeValueForKeyPath:ofObject:change:context: - why do the docs use NULL instead of nil when not specifying a context pointer? ...
https://stackoverflow.com/ques... 

How to pass multiple parameters in a querystring

I have three values which I have to pass as parameters for e.g., strID , strName and strDate . 6 Answers ...
https://stackoverflow.com/ques... 

Is there a way to suppress JSHint warning for one given line?

I have a (single) case in my app were eval is used, and I would like to suppress JSHint warning only for this case. 3 Ans...
https://stackoverflow.com/ques... 

How to add item to the beginning of List?

I want to add a "Select One" option to a drop down list bound to a List<T> . 5 Answers ...
https://stackoverflow.com/ques... 

is there an easy way to get the http status code in the failure block from AFHTTPClient?

I see that there is a list of accepted http status codes that I can modify, but I think it would be cleaner if I can get the http status code in the failure block .. ...
https://stackoverflow.com/ques... 

Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?

I have the following table: 4 Answers 4 ...