大约有 16,380 项符合查询结果（耗时：0.0350秒） [XML]
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
...
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:
...
Count cells that contain any text
...lls 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.
...
Python argparse ignore unrecognised arguments
Optparse, the old version just ignores all unrecognised arguments and carries on. In most situations, this isn't ideal and was changed in argparse. But there are a few situations where you want to ignore any unrecognised arguments and parse the ones you've specified.
...
What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
...
How to add item to the beginning of List?
...
Use the Insert method:
ti.Insert(0, initialItem);
share
|
improve this answer
|
follow
|
...
click or change event on radio using jquery
I have some radios in my page,and I want to do something when the checked radio changes,however the code does not work in IE:
...
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 ..
...
How do I check out a specific version of a submodule using 'git submodule'?
How would I go about adding a Git submodule for a specific tag or commit?
2 Answers
2
...
postgresql port confusion 5433 or 5432?
.../services is only advisory, it's a listing of well-known ports. It doesn't mean that anything is actually running on that port or that the named service will run on that port.
In PostgreSQL's case it's typical to use port 5432 if it is available. If it isn't, most installers will choose the next fr...