大约有 42,000 项符合查询结果（耗时：0.0799秒） [XML]
Get line number while using grep
I am using grep recursive to search files for a string, and all the matched files and the lines containing that string are print on the terminal. But is it possible to get the line numbers of those lines too??
...
Make a negative number positive
...
The concept you are describing is called "absolute value", and Java has a function called Math.abs to do it for you. Or you could avoid the function call and do it yourself:
number = (number < 0 ? -number : number);
or
if (number < 0)
number = -number;
...
How to avoid type safety warnings with Hibernate HQL results?
...pressWarnings into one place:
List<Cat> cats = MyHibernateUtils.listAndCast(q);
...
public static <T> List<T> listAndCast(Query q) {
@SuppressWarnings("unchecked")
List list = q.list();
return list;
}
Prevent Eclipse from generating warnings for unavoidable problem...
Read Post Data submitted to ASP.Net Form
I have a working login form in an asp.net application. Standard stuff with a username and password text box and a button to process the login. Works fine.
...
How to get the value from the GET parameters?
...
JavaScript itself has nothing built in for handling query string parameters.
Code running in a (modern) browser you can use the URL object (which is part of the APIs provided by browsers to JS):
var url_string = "http://www.example.com/t.html?a=1&b=3&c=m...
Array Length in Java
... length is a property, so it would be arr.length instead of arr.length().
And it will return 10, the declared size. The elements that you do not declare explicitely are initialized with 0.
share
|
...
Select2 doesn't work when embedded in a bootstrap modal
...
Thanks! It's been 4 years and it's still a valid fix.
– Linek
Jul 21 '17 at 12:40
|
show 14...
How do I run a Ruby file in a Rails environment?
... almost does what I want to do, but I'd like to just give it the file name and arguments. I'm pretty sure this is possible since I've done it before. Can someone remind me how to do this?
...
Unable to evaluate expression because the code is optimized or a native frame is on top of the call
...his exception.
Cause
The Response.End method ends the page execution and shifts the
execution to the Application_EndRequest event in the application's
event pipeline. The line of code that follows Response.End is not
executed.
This problem occurs in the Response.Redirect and Server....
More elegant “ps aux | grep -v grep”
When I check list of processes and 'grep' out those that are interesting for me, the grep itself is also included in the results. For example, to list terminals:
...