大约有 44,000 项符合查询结果（耗时：0.0711秒） [XML]
Get folder name from full file path
...file system (the folder name would still be "text" for that full file path if folder "c:\projects\root\wsdlproj\devlop\beta2\text" does not (currently) exist in the file system)?
– Peter Mortensen
Sep 4 '15 at 11:20
...
Why is there no Char.Empty like String.Empty?
Is there a reason for this? I am asking because if you needed to use lots of empty chars then you get into the same situation as you would when you use lots of empty strings.
...
iphone Core Data Unresolved error while saving
...o save
but the problem that the error is not reproducible ( it appears at different times when doing different tasks)
7 Ans...
When do you need to explicitly call a superclass constructor?
...
You never need just
super();
That's what will be there if you don't specify anything else. You only need to specify the constructor to call if:
You want to call a superclass constructor which has parameters
You want to chain to another constructor in the same class instead of t...
ASP.Net MVC Html.HiddenFor with wrong value
...e POST request and after that the value in the model. This means that even if you modify the value of the model in your controller action if there is the same variable in the POST request your modification will be ignored and the POSTed value will be used.
One possible workaround is to remove this ...
Find document with array that contains a specific value
If I have this schema...
10 Answers
10
...
Extracting extension from filename in Python
... @klingt.net Well, in that case, .asd is really the extension!! If you think about it, foo.tar.gz is a gzip-compressed file (.gz) which happens to be a tar file (.tar). But it is a gzip file in first place. I wouldn't expect it to return the dual extension at all.
– ...
MySQL pagination without double-querying?
I was wondering if there was a way to get the number of results from a MySQL query, and at the same time limit the results.
...
How to list the contents of a package using YUM?
...8.0, yum v3.2.29, and repoquery v0.0.11, repoquery -l rpm prints nothing.
If you are having this issue, try adding the --installed flag: repoquery --installed -l rpm.
DNF Update:
To use dnf instead of yum-utils, use the following command:
$ dnf repoquery -l time
/usr/bin/time
/usr/share/doc/ti...
Backporting Python 3 open(encoding=“utf-8”) to Python 2
...
1. To get an encoding parameter in Python 2:
If you only need to support Python 2.6 and 2.7 you can use io.open instead of open. io is the new io subsystem for Python 3, and it exists in Python 2,6 ans 2.7 as well. Please be aware that in Python 2.6 (as well as 3.0) it'...