大约有 40,000 项符合查询结果（耗时：0.0577秒） [XML]
Url decode UTF-8 in Python
I have spent plenty of time as far as I am newbie in Python.
How could I ever decode such a URL:
3 Answers
...
What is the Oracle equivalent of SQL Server's IsNull() function?
In SQL Server we can type IsNull() to determine if a field is null. Is there an equivalent function in PL/SQL?
4 Answers...
How do you get the width and height of a multi-dimensional array?
...
You use Array.GetLength with the index of the dimension you wish to retrieve.
share
|
improve this answer
|
...
Regex how to match an optional character
I have a regex that I thought was working correctly until now. I need to match on an optional character. It may be there or it may not.
...
How to sort the result from string_agg()
...
With postgres 9.0+ you can write:
select string_agg(product,' | ' order by product) from "tblproducts"
Details here.
share
|
improve this ans...
Specify pane percentage in tmuxinator project
How can I specify a pane percentage in tmuxinator ?
1 Answer
1
...
Rails: where does the infamous “current_user” come from?
I've been looking around recently into Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)...
Uninstall ReSharper 4.5
I have ReSharper 4.5 in Visual Studio 2008. Now I want to install ReSharper 5, but I can't do it before I uninstall ReSharper 4.5.
...
What is the difference between attribute and property? [closed]
...roperties.
To further confuse things, changes to the properties will typically update the attributes.
For example, changing the element.href property will update the href attribute on the element, and that'll be reflected in a call to element.getAttribute('href').
However if you subsequently read...
Rails: Logging the entire stack trace of an exception
I have been trying to figure out the right way to log a stack trace. I came across this link which states that logger.error $!, $!.backtrace is the way to go but that does not work for me log_error does. As per documentation I do not see how passing a second argument to the error method would ...