大约有 5,700 项符合查询结果（耗时：0.0273秒） [XML]
returning in the middle of a using block
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Please note that some C# objects dispose in a custom fashion, for example, WCF clients is a using statement like above return "can't access disposed object"
– OzBob
Feb 22 '19 at 1:20
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A connection was successfully established with the server, but then an error occurred during the pre
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Confirmed. I ran intensive processing on SQL Server from C# using parallel.foreach on my laptop. My memory usage was at its max. Computer was barely usable for about 15 minutes before i got this error.
– TheLegendaryCopyCoder
Sep 28 '16 at 9:1...
How to determine if a type implements a specific generic interface type
....Implements(IBar), or even better, using a keyword "is" .... I'm exploring c# and I'm a more then bit disappointed in .net right now ...
– Sofija
Mar 5 '12 at 22:12
2
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Accessing a Dictionary.Keys Key through a numeric index
...ink you can do something like this, the syntax might be wrong, havent used C# in a while
To get the last item
Dictionary<string, int>.KeyCollection keys = mydict.keys;
string lastKey = keys.Last();
or use Max instead of Last to get the max value, I dont know which one fits your code better....
Delete keychain items when an app is uninstalled
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C# Xamarin version
const string FIRST_RUN = "hasRunBefore";
var userDefaults = NSUserDefaults.StandardUserDefaults;
if (!userDefaults.BoolForKey(FIRST_RUN))
{
//TODO: remove keychain items
use...
What does ':' (colon) do in JavaScript?
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So similar to C# object initializer syntax. Thanks!
– Micah
Jan 7 '09 at 0:56
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Save all files in Visual Studio project as UTF-8
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Using C#:
1) Create a new ConsoleApplication, then install Mozilla Universal Charset Detector
2) Run code:
static void Main(string[] args)
{
const string targetEncoding = "utf-8";
foreach (var f in new DirectoryInfo(@"<...
When should I use nil and NULL in Objective-C?
...cally they are all just 0. Also, it is NULL not null -- null is in Java or C# but not in Objective-C.
– Jason Coco
Oct 14 '09 at 7:11
16
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Is there a JSON equivalent of XQuery/XPath?
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How solid is this? And I can't find a Java or C# version which is a deal killer for us.
– David Thielen
Jun 12 '12 at 18:08
2
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Only initializers, entity members, and entity navigation properties are supported
...xpressions using the "Canonical Functions" - which can be turned into SQL. C# 6 introduced "Expression bodied functions" but these are not true lambdas (see: stackoverflow.com/a/28411444/470183). Still it would be good to have this in the framework hence the WIBNI data.uservoice.com/forums/…
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