大约有 47,000 项符合查询结果（耗时：0.0760秒） [XML]
String Concatenation using '+' operator
Looking at the string class metadata, I only see the operators == and != overloaded. So how is it able to perform concatenation for the ' + ' operator?
...
Disable a Maven plugin defined in a parent POM
I am using a parent POM that defines a plugin that I do not want to be run in a child POM. How can I disable the plugin in the child pom completely?
...
GUI not working after rewriting to MVC
I'm practicing MVC style programming. I have a Mastermind game in a single file, working fine (maybe apart of the fact that "Check" button is invisible at start).
...
Difference between len() and .__len__()?
Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ?
4 Answers
...
Disable Browser Link - which toolbar
I want to disable visual studios browser link. I found this question:
How can I disable __vwd/js/artery in VS.NET 2013?
and many other resources saying I should untick "Enable Browser Link" in the toolbar, but that toolbar doesn't show up in my visual studio. I've enabled all the debug toolbars b...
How to override to_json in Rails?
This issue was not properly explored. The real issue lies within render :json .
4 Answers
...
Test if remote TCP port is open from a shell script
I'm looking for a quick and simple method for properly testing if a given TCP port is open on a remote server, from inside a Shell script.
...
View inside ScrollView doesn't take all place
I have a RelativeLayout inside a ScrollView.
My RelativeLayout has android:layout_height="match_parent" but the view doesn't take the entire size, it's like a wrap_content.
...
How can I turn off Visual Studio 2013 Preview?
When I want to search files I use Ctrl + , . The search box pops up and then I start typing. But the built-in preview just grabs whatever I have typed and opens the file. Even though I am still typing.
...
How can I restore the MySQL root user’s full privileges?
I accidentally removed some of the privileges from my MySQL root user, including the ability to alter tables. Is there some way I can restore this user to its original state (with all privileges)?
...