大约有 42,000 项符合查询结果（耗时：0.0394秒） [XML]
Mail multipart/alternative vs multipart/mixed
...sed to set the Content-Type to multipart/alternative when sending HTML and TEXT or multipart/mixed when sending TEXT and attachments.
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How to access property of anonymous type in C#?
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1. Solution with dynamic
In C# 4.0 and higher versions, you can simply cast to dynamic and write:
if (nodes.Any(n => ((dynamic)n).Checked == false))
Console.WriteLine("found not checked element!");
Note: This is using late binding, which means it will recognize only at runtime if the o...
How to run a shell script in OS X by double-clicking?
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First in terminal make the script executable by typing the following command:
chmod a+x yourscriptname
Then, in Finder, right-click your file and select "Open with" and then "Other...".
Here you select the application you want the file to execute into, in this case it would be Terminal. To be...
Converting from a string to boolean in Python?
... have just spent 4 hours trying to debug my code. My mistake was trying to cast bool("False"). It will always cast to True.
– Ev.
Sep 2 '16 at 12:37
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Schema for a multilanguage database
...tingdate = CONVERT( datetime, @in_reportingdate)
SET @reportingdate = CAST(FLOOR(CAST(@reportingdate AS float)) AS datetime)
SET @in_reportingdate = CONVERT(varchar(50), @reportingdate)
SET NOCOUNT ON;
SET @sql='SELECT
Building_Nr AS RPT_Building_Number
,Build...
What is the difference between the operating system and the kernel? [closed]
I do not understand the difference between operating system and kernel. Can someone please explain it?
3 Answers
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Fast ceiling of an integer division in C / C++
...promote the arguments into long long's? And doesn't that cost anything, up-casting or down-casting?
– einpoklum
Feb 13 '16 at 20:51
1
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Unable to find specific subclass of NSManagedObject
... error: NSArray element failed to match the Swift Array Element type" when casting the NSManagedObject to its actual class. Actually not when casting itself, but when trying to go into a for loop.
– Rodrigo Ruiz
Mar 11 '15 at 2:22
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Recommended way to get hostname in Java
Which of the following is the best and most portable way to get the hostname of the current computer in Java?
11 Answers
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How can I develop for iPhone using a Windows development machine?
... routes;
Install OSx86 (aka iATKOS / Kalyway) on a second partition/disk and dual boot.
Run Mac OS X Server under VMWare (Mac OS X 10.7 (Lion) onwards, read the update below).
Use Delphi XE4 and the macincloud service. This is a commercial toolset, but the component and lib support is growing.
T...