大约有 46,000 项符合查询结果(耗时:0.0248秒) [XML]

https://stackoverflow.com/ques... 

How to read attribute value from XmlNode in C#?

...other solution: string s = "??"; // or whatever if (chldNode.Attributes.Cast<XmlAttribute>() .Select(x => x.Value) .Contains(attributeName)) s = xe.Attributes[attributeName].Value; It also avoids the exception when the expected attri...
https://stackoverflow.com/ques... 

How to convert a string to number in TypeScript?

...te, Number(x) and parseInt(x) throws an error, and +x has no effect. Valid casting will be x*1 or x/1. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

OnCreateOptionsMenu() not called in Fragment

...ith 11-27 01:55:34.468: E/AndroidRuntime(12294): Caused by: java.lang.ClassCastException: com.android.internal.view.menu.MenuItemImpl cannot be cast to android.widget.SearchView – Android_programmer_office Nov 26 '13 at 20:26 ...
https://stackoverflow.com/ques... 

How do I remove duplicates from a C# array?

...g[] array in C# that gets returned from a function call. I could possibly cast to a Generic collection, but I was wondering if there was a better way to do it, possibly by using a temp array. ...
https://stackoverflow.com/ques... 

Assign variable value inside if-statement [duplicate]

... @StenSoft - true. however ... i wonder if, other than an implit cast - as in long i = (int)2; - this would have any significance? – rmalchow Jul 23 '16 at 6:50 ...
https://stackoverflow.com/ques... 

Filtering DataGridView without changing datasource

...at you are using a DataTable. If you are using something else, check your casting. "as DataTable" in my example. – Brad Bruce Jan 25 '18 at 1:22  |  ...
https://stackoverflow.com/ques... 

Disable a Button

... It's not required for it to work. You can type cast the button in the IBAction and change the enabled status or if you have it set up as an IBOutlet you can do it using the .notation on the outlet. Both ways work. – Krivvenz Mar 7 '1...
https://stackoverflow.com/ques... 

Jinja2 template variable if None Object set a default value

...According to docs you can just do: {{ p|default('', true) }} Cause None casts to False in boolean context. Update: As lindes mentioned, it works only for simple data types. share | improve thi...
https://stackoverflow.com/ques... 

get name of a variable or parameter [duplicate]

... This doesn't seem to work for me... {"Unable to cast object of type 'System.Linq.Expressions.TypedConstantExpression' to type 'System.Linq.Expressions.MemberExpression'."} – weberc2 Nov 29 '12 at 19:12 ...
https://stackoverflow.com/ques... 

“f” after number

...ution down with four int->float conversions (that are among the slowest casts). Although in this case is almost unimportant, it's always better to specify correctly f if needed: in an expression a constant without the right specifier may force the whole expression to be converted to double, and i...