大约有 41,000 项符合查询结果（耗时：0.0597秒） [XML]
how perform grep operation on all files in a directory
Working with xenserver, and I want to perform a command on each file that is in a directory, grepping some stuff out of the output of the command and appending it in a file.
...
YYYY-MM-DD format date in shell script
I tried using $(date) in my bash shell script, however, I want the date in YYYY-MM-DD format.
How do I get this?
13 A...
How do I check if an element is hidden in jQuery?
Is it possible to toggle the visibility of an element, using the functions .hide() , .show() or .toggle() ?
59 Answers
...
Binding a WPF ComboBox to a custom list
I have a ComboBox that doesn't seem to update the SelectedItem/SelectedValue.
4 Answers
...
Throw HttpResponseException or return Request.CreateErrorResponse?
After reviewing an article Exception Handling in ASP.NET Web API I am a bit confused as to when to throw an exception vs return an error response. I am also left wondering whether it is possible to modify the response when your method returns a domain specific model instead of HttpResponseMessage...
Are there good reasons not to use an ORM? [closed]
During my apprenticeship, I have used NHibernate for some smaller projects which I mostly coded and designed on my own. Now, before starting some bigger project, the discussion arose how to design data access and whether or not to use an ORM layer. As I am still in my apprenticeship and still cons...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
In Python, the (?P<group_name>…) syntax allows one to refer to the matched string through its name:
3 Answers
...
How can I start PostgreSQL server on Mac OS X?
I had forgotten to run the initdb command.
33 Answers
33
...
How to “crop” a rectangular image into a square with CSS?
I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes.
10 Answers
...
No grammar constraints (DTD or XML schema) detected for the document
I have this dtd : http://fast-code.sourceforge.net/template.dtd
But when I include in an xml I get the warning :
No grammar constraints (DTD or XML schema) detected for the document.
The xml is :
...