大约有 16,000 项符合查询结果（耗时：0.0321秒） [XML]
How and/or why is merging in Git better than in SVN?
...e clever thing" Git is "better at". And you're thing is checked into SVN.
Convert your SVN into the equivalent Git form, do it in Git, and then check the result in, perhaps using multiple commits, some extra branches. If you can imagine an automated way to turn an SVN problem into a Git problem, th...
How do you perform a CROSS JOIN with LINQ to SQL?
...s:
var names = new string[] { "Ana", "Raz", "John" };
var numbers = new int[] { 1, 2, 3 };
var newList=names.SelectMany(
x => numbers,
(y, z) => { return y + z + " test "; });
foreach (var item in newList)
{
Console.WriteLine(item);
}
...
Difference between Key, Primary Key, Unique Key and Index in MySQL
...uplicate values result in an error.
A PRIMARY KEY is both a unique constraint and it also implies that the column is NOT NULL. It is used to give an identity to each row. This can be useful for joining with another table via a foreign key constraint. While it is not required for a table to have a P...
What is the use of ObservableCollection in .net?
...works essentially like a regular collection except that it implements
the interfaces:
INotifyCollectionChanged,
INotifyPropertyChanged
As such it is very useful when you want to know when the collection has changed. An event is triggered that will tell the user what entries have been added/re...
How can I remove a specific item from an array?
... Serious question: why doesn't JavaScript allow the simple and intuitive method of removing an element at an index? A simple, elegant, myArray.remove(index); seems to be the best solution and is implemented in many other languages (a lot of them older than JavaScript.)
...
How to add a browser tab icon (favicon) for a website?
...
Use a tool to convert your png to a ico file. You can search "favicon generator" and you can find many online tools.
Place the ico address in the head with a link-tag:
<link rel="shortcut icon" href="http://sstatic.net/stackoverflow/im...
Unnecessary curly braces in C++?
...automatic) variables.
In C++ this is maybe not so important since you can introduce new variables anywhere, but perhaps the habit is from C, where you could not do this until C99. :)
Since C++ has destructors, it can also be handy to have resources (files, mutexes, whatever) automatically released...
JavaScript check if variable exists (is defined/initialized)
...zed is better/correct?
(Assuming the variable could hold anything (string, int, object, function, etc.))
28 Answers
...
Pagination on a list using ng-repeat
...
Like Bart, I needed to pass paging info into a calling function to get pagable data - it is similar but different and might help in some cases. plnkr.co/edit/RcSso3verGtXwToilJ5a
– Steve Black
May 23 '14 at 15:49
...
Can't connect to localhost on SQL Server Express 2012 / 2016
...NNING THIS!
USE [master]
GO
DECLARE @SqlServerAndWindowsAuthenticationMode INT = 2;
EXEC xp_instance_regwrite
N'HKEY_LOCAL_MACHINE',
N'Software\Microsoft\MSSQLServer\MSSQLServer',
N'LoginMode',
REG_DWORD,
@SqlServerAndWindowsAuthenticationMode;
GO
If you're connecting using "Integrated Se...