大约有 30,000 项符合查询结果(耗时:0.0468秒) [XML]
How to create index in Entity Framework 6.2 with code first
...
public int UserId { get; set; }
[Index(IsUnique = true)]
[StringLength(200)]
public string Username { get; set; }
public string DisplayName { get; set; }
}
share
|
impr...
How to convert float to varchar in SQL Server
...
you cannot get more digits by converting to string than there are digits stored in the original value.
– devio
Sep 15 '10 at 9:18
...
Html.RenderPartial() syntax with Razor
This works, because it returns the result of partial view rendering in a string:
4 Answers
...
Intellij shortcut to convert code to upper or lower case?
...
I would highly recommend String Manipulation plugin for Intellij.
With a simple Alt + M (Option + M for Mac) you get:
So you can easily manipulate with strings in the following way:
...
Python argparse: default value or specified value
...
How to do this with strings? I have a dilemma with differentiation of "" (empty string as default) and "" (empty string as entered by user). In the code for now I'm using the default and since I need to do some ops, I have something like this se...
When and why would you seal a class?
...le, System namespace in C# provides many classes which are sealed, such as String. If not sealed, it would be possible to extend its functionality, which might be undesirable, as it's a fundamental type with given functionality.
Similarly, structures in C# are always implicitly sealed. Hence one c...
how to reset
... to see what jQuery is doing, just setting the value attribute to an empty string. So in "pure" JavaScript it would be:
document.getElementById("uploadCaptureInputFile").value = "";
share
|
improv...
Deprecated ManagedQuery() issue
...ne time: you probably don't even need that. Maybe this would work?
public String getRealPathFromURI(Uri contentUri) {
String res = null;
String[] proj = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(contentUri, proj, null, null, null);
if(cursor.moveTo...
How to use ELMAH to manually log errors
...mah
/// </summary>
public static void LogError(Exception ex, string contextualMessage=null)
{
try
{
// log error to Elmah
if (contextualMessage != null)
{
// log exception with contextual information that's visibl...
Detecting iOS / Android Operating system
...
You can test the user agent string:
/**
* Determine the mobile operating system.
* This function returns one of 'iOS', 'Android', 'Windows Phone', or 'unknown'.
*
* @returns {String}
*/
function getMobileOperatingSystem() {
var userAgent = navig...