大约有 45,000 项符合查询结果(耗时:0.0573秒) [XML]
Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
...
If the field is already a string, this will work
SELECT RIGHT('000'+ISNULL(field,''),3)
If you want nulls to show as '000'
It might be an integer -- then you would want
SELECT RIGHT('000'+CAST(field AS VARCHAR(3)),3)
...
JQuery Event for user pressing enter in a textbox?
Is there any event in Jquery that's triggered only if the user hits the enter button in a textbox? Or any plugin that can be added to include this? If not, how would I write a quick plugin that would do this?
...
c# datatable to csv
...Text("test.csv", sb.ToString());
.net >= 4.0
And as Tim pointed out, if you are on .net>=4, you can make it even shorter:
StringBuilder sb = new StringBuilder();
IEnumerable<string> columnNames = dt.Columns.Cast<DataColumn>().
Select(column =...
Call a function after previous function is complete
...
Specify an anonymous callback, and make function1 accept it:
$('a.button').click(function(){
if (condition == 'true'){
function1(someVariable, function() {
function2(someOtherVariable);
});
}
...
How can I split a shell command over multiple lines when using an IF statement?
... command over multiple lines in the shell, when the command is part of an if statement?
2 Answers
...
method overloading vs optional parameter in C# 4.0 [duplicate]
...this approach - FYI you cannot change the name of parameters going forward if you use named parameters in caller, unless changing it in each caller (which is simple refactoring if all the reference are in same solution, but not if you use it as a library in other project). Having said that, changin...
What is Shelving in TFS?
... come back and unshelve to work on your changes later.
Sharing Changesets: If you want to share a changeset of code without checking it in, you can make it easy for others to access by shelving it. This could be used when you are passing an incomplete task to someone else (poor soul) or if you have...
How to pick an image from gallery (SD Card) for my app?
...er works reliably, as images from various sources sometimes return with a different content URI, i.e. content:// rather than file://. A better solution is to simply use context.getContentResolver().openInputStream(intent.getData()), as that will return an InputStream that you can handle as you choos...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...lbackObject 是一个IRTDUpdateEvent类型的参数,它有一个UpdateNotify方法,用于通知Excel有更新的数据可用(push)。这样Excel就会通过调用RefreshData方法来刷新所有的主题(pull)。当 Excel 请求RTD Server的第一个 RTD 主题时调用ServerStart方法...
How do I abort/cancel TPL Tasks?
...do some heavy work here
Thread.Sleep(100);
if (ct.IsCancellationRequested)
{
// another thread decided to cancel
Console.WriteLine("task canceled");
break;
}
}
...
