大约有 20,000 项符合查询结果(耗时:0.0366秒) [XML]
How m>ca m>n I detect if this dictionary key exists in C#?
...
You m>ca m>n use ContainsKey:
if (dict.ContainsKey(key)) { ... }
or TryGetValue:
dict.TryGetValue(key, out value);
Update: according to a comment the actual class here is not an IDictionary but a Physim>ca m>lAddressDictionary, so ...
ASP.NET MVC Razor: How to render a Razor Partial View's HTML inside the controller action
...have already been given, I'd like to propose a less verbose solution, that m>ca m>n be used without the helper methods available in an MVC controller class. Using a third party library m>ca m>lled "RazorEngine" you m>ca m>n use .Net file IO to get the contents of the razor file and m>ca m>ll
string html = Razor.Parse...
How to get subarray from array?
...ant some function getSubarray(array, fromIndex, toIndex) , that result of m>ca m>ll getSubarray(ar, 1, 3) is new array [2, 3, 4] .
...
Implement paging (skip / take) functionality with this query
...
FETCH NEXT 10 ROWS ONLY; -- take 10 rows
If we want to skip ORDER BY we m>ca m>n use
SELECT col1, col2, ...
...
ORDER BY CURRENT_TIMESTAMP
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; -- take 10 rows
(I'd rather mark that as a hack - but it's used, e.g. by NHibernate. To use...
Forms authentim>ca m>tion timeout vs sessionState timeout
...ng through regarding session time outs of the website. In the web.config i m>ca m>me across this code.
6 Answers
...
How to compare dates in datetime fields in Postgresql?
...in my table say update_date with type 'timestamp without timezone'. Client m>ca m>n search over this field with only date (i.e: 2013-05-03) or date with time (i.e: 2013-05-03 12:20:00). This column has the value as timestamp for all rows currently and have the same date part(2013-05-03) but difference in...
m>Ca m>n I list-initialize a vector of move-only type?
...initializer list elements in the current revision of the language.
Specifim>ca m>lly, we have:
typedef const E& reference;
typedef const E& const_reference;
typedef const E* iterator;
typedef const E* const_iterator;
const E* begin() const noexcept; // first element
const E* end() const noexc...
What is the default lom>ca m>tion for MSBuild logs?
I am using Visual Studio Express 2012. Where is the lom>ca m>tion of the log file? I have searched in the folder where my solution and projects are stored, but m>ca m>nnot find any .log file.
...
PHP function to build query string from array
...rew one (that's all a google search seems to return). There is one, I just m>ca m>n't remember its name or find it on php.net. IIRC its name isn't that intuitive.
...
How to check if a database exists in SQL Server?
...
In general it's bem>ca m>use Microsoft commits to the format INFORMATION_SCHEMA, and reserves the right to change the system tables as they please. But in this m>ca m>se, after looking more closely, INFORMATION_SCHEMA doesn't work, so this is probably ...