大约有 46,000 项符合查询结果（耗时：0.0696秒） [XML]
Dynamic instantiation from string name of a class in dynamically imported module?
In python, I have to instantiate certain class, knowing its name in a string, but this class 'lives' in a dynamically imported module. An example follows:
...
How to HTML encode/escape a string? Is there a built-in?
I have an untrusted string that I want to show as text in an HTML page. I need to escape the chars ' < ' and ' & ' as HTML entities. The less fuss the better.
...
RegEx: Grabbing values between quotation marks
...
how to avoid empty strings?
– Vikas Bansal
Jan 16 '19 at 13:00
|
show 8 more comment...
Convert NSDate to NSString
How do I convert, NSDate to NSString so that only the year in @"yyyy" format is output to the string?
14 Answers
...
How can I present a file for download from an MVC controller?
...r the file exists or you create it on the fly.
public ActionResult GetPdf(string filename)
{
return File(filename, "application/pdf", Server.UrlEncode(filename));
}
share
|
improve this answer...
Dynamic Anonymous type in Razor causes RuntimeBinderException
... ExpandoObject ToExpando(this object anonymousObject)
{
IDictionary<string, object> anonymousDictionary = new RouteValueDictionary(anonymousObject);
IDictionary<string, object> expando = new ExpandoObject();
foreach (var item in anonymousDictionary)
expando.Add(item)...
How to find an element by matching exact text of the element in Capybara
...
Use a regexp instead of a string for the value of the :text key:
find("a", :text => /\ABerlin\z/)
Check out the 'Options Hash' section of the Method: Capybara::Node::Finders#all documentation.
PS: text matches are case sensitive. Your example c...
How to format a floating number to fixed width in Python
...0
The format specifier inside the curly braces follows the Python format string syntax. Specifically, in this case, it consists of the following parts:
The empty string before the colon means "take the next provided argument to format()" – in this case the x as the only argument.
The 10.4f par...
Configure Log4net to write to multiple files
... LogManager.GetLogger("SomeName"); get an error cannot convert from string to System.Type. What is missing?
– Benk
May 22 '19 at 19:40
|
...
How can I count the occurrences of a list item?
... I have found that when using this a lot (talking about millions of strings) that it is very slow because of its calls to isinstance. So if you are certain about the data that you're working with, it might be better to write a custom function without type and instance checking.
...