大约有 40,000 项符合查询结果（耗时：0.0492秒） [XML]
Why does Ruby have both private and protected methods?
...
protected methods can be called by any instance of the defining class or its subclasses.
private methods can be called only from within the calling object. You cannot access another instance's private methods directly.
Here is a quick practical exa...
Meaning of “[: too many arguments” error from if [] (square brackets)
...
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy fix
Wrap the variable output in double quotes, forcing it to stay as one string (therefore one argument). For example,
VARIABLE=$(/some/comm...
Set selected radio from radio group with a value
...button in that radio buttons group.
Code To Remove Checked Attribute from all radio buttons of one radio button group -
$('[name="radioSelectionName"]').removeAttr('checked');
share
|
improve th...
Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git
...
Try git fetch so that your local repository gets all the new info from github. It just takes the information about new branches and no actual code. After that the git checkout should work fine.
shar...
jQuery: Get selected element tag name
...
You can call .prop("tagName"). Examples:
jQuery("<a>").prop("tagName"); //==> "A"
jQuery("<h1>").prop("tagName"); //==> "H1"
jQuery("<coolTagName999>").prop("tagName"); //==> "COOLTAGNAME999"
If writing ...
Cross Domain Form POSTing
I've seen articles and posts all over (including SO) on this topic, and the prevailing commentary is that same-origin policy prevents a form POST across domains. The only place I've seen someone suggest that same-origin policy does not apply to form posts, is here .
...
Shiro vs. SpringSecurity [closed]
...ation environment. That means Shiro's Spring integration is superb and it all works exceptionally well. You can rest assured that if you're writing a Spring app, you'll have a well-rounded security experience.
For example, consider the Spring XML config example in another post in this thread. He...
Threading in a PyQt application: Use Qt threads or Python threads?
...to be unresponsive during the retrieval process (it cannot be split into smaller parts). This is why I'd like to outsource the web connection to a separate worker thread.
...
What to do about a 11000 lines C++ source file?
...t. Move this into its own file, and for that matter into its own class, in all branches. Because it's stable, this won't cause (many) "awkward" merges that have to be applied to a different file from the one they were originally made on, when you merge the change from one branch to another. Repeat.
...
Ruby on Rails vs ASP.NET MVC 3 for a .NET Guy? [closed]
... I used a great book to learn a while back, and it would be right up your alley: Rails for .Net Developers
Also, I wrote a post about going from MVC to RoR a while back as well.
As for comparisons, they both have strengths as has been covered, but here are a few that stick out to me:
I reall...