大约有 16,000 项符合查询结果（耗时：0.0420秒） [XML]
How can we print line numbers to the log in java
How to print line numbers to the log. Say when outputting some information to the log, I also want to print the line number where that output is in the source code. As we can see in the stack trace, it displays the line number where the exception has occurred. Stack trace is available on the excepti...
Performing Inserts and Updates with Dapper
I am interested in using Dapper - but from what I can tell it only supports Query and Execute. I do not see that Dapper includes a way of Inserting and Updating objects.
...
initialize a numpy array
... way I usually do that is by creating a regular list, then append my stuff into it, and finally transform the list to a numpy array as follows :
import numpy as np
big_array = [] # empty regular list
for i in range(5):
arr = i*np.ones((2,4)) # for instance
big_array.append(arr)
big_np_arra...
How do I URl encode something in Node.js?
... The domain gets encoded using punycode. You need a library like URI.js to convert between a URI and IRI (Internationalized Resource Identifier).
This is correct if you plan on using the string later as a query string:
> encodeURIComponent("http://examplé.org/rosé?rosé=rosé")
'http%3A%2F%2F...
How to find all duplicate from a List? [duplicate]
...ry:
var duplicateItems = from x in list
group x by x into grouped
where grouped.Count() > 1
select grouped.Key;
or, if you prefer it without the syntactic sugar:
var duplicateItems = list.GroupBy(x => x).Where(x => x.Count()...
Android get color as string value
...g(R.color.color_name);
This will return the color in a string format.
To convert that to a color in integer format (sometimes only integers are accepted) then:
Color.parseColor(getString(R.color.color_name));
The above expression returns the integer equivalent of the color defined in color.xml ...
How to force an entire layout View refresh?
...hole view. If the view is visible, onDraw(Canvas) will be called at some point in the future. This must be called from a UI thread. To call from a non-UI thread, call postInvalidate().
ViewGroup vg = findViewById (R.id.mainLayout);
vg.invalidate();
Now, when the Activity resumes, it makes ever...
How to use Oracle ORDER BY and ROWNUM correctly?
I am having a hard time converting stored procedures from SQL Server to Oracle to have our product compatible with it.
4 An...
C libcurl get output into a string
... = 0;
s->ptr = malloc(s->len+1);
if (s->ptr == NULL) {
fprintf(stderr, "malloc() failed\n");
exit(EXIT_FAILURE);
}
s->ptr[0] = '\0';
}
size_t writefunc(void *ptr, size_t size, size_t nmemb, struct string *s)
{
size_t new_len = s->len + size*nmemb;
s->ptr = real...
Add CSS or JavaScript files to layout head from views or partial views
...shelper
We are using the following implementation to add JS and CSS files into the layout page.
View or PartialView:
@{
Html.Assets().Styles.Add("/Dashboard/Content/Dashboard.css");
Html.Assets().Scripts.Add("/Dashboard/Scripts/Dashboard.js");
}
Layout page:
<head>
@Html.Asse...