大约有 46,000 项符合查询结果(耗时:0.0694秒) [XML]
What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?
Is there any difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout in .NET?
6 Answers
...
ARC and bridged cast
...ained <CFType>) op or alternatively CFBridgingRetain(op) is used to hand an NSObject over to CF-land while giving it a +1 retain count. You should handle a CFTypeRef you create this way the same as you would handle a result of CFStringCreateCopy(). This could also be represented by CFRetain((_...
Available text color classes in Bootstrap
...ger.
The bootstrap 4 documentation lists this under utilities -> color, and has more options:
primary, secondary, success, danger, warning, info, light, dark, muted, white.
To access them one uses the class text-[class-name]
So, if I want the primary text color for example I would do something li...
Preserve line endings
I run sed to do some substitution on windows and I noticed that it automatically converts line endings to Unix (\n). Is there an option to tell sed to use Windows line endings (\r\n) or even better to preserve the line endings from the file?
...
Directive isolate scope with ng-repeat scope in AngularJS
...with an isolate-scope (so that I can reuse the directive in other places), and when I use this directive with an ng-repeat , it fails to work.
...
Convert a string to int using sql query
...question since it was in relation to SQL Server 2005, but since it is 2019 and fewer folks are strapped to such an old version of SQL Server, this answer is definitely helpful.
– shaune
Mar 4 '19 at 14:54
...
Which timestamp type should I choose in a PostgreSQL database?
...
First off, PostgreSQL’s time handling and arithmetic is fantastic and Option 3 is fine in the general case. It is, however, an incomplete view of time and timezones and can be supplemented:
Store the name of a user’s time zone as a user preference (e....
How to use a custom comparison function in Python 3?
In Python 2.x , I could pass custom function to sorted and .sort functions
6 Answers
...
What does Html.HiddenFor do?
...ul for fields in your Model/ViewModel that you need to persist on the page and have passed back when another call is made but shouldn't be seen by the user.
Consider the following ViewModel class:
public class ViewModel
{
public string Value { get; set; }
public int Id { get; set; }
}
N...
How to rollback just one step using rake db:migrate
After adding migration files in the db/migrate folder and running rake db:migrate , I want get back to the previous step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
...
