async-awaitãã¼ã¹ã®éåæå¦çãå¶å¾¡ããæ¹æ³ãã¾ã¨ãã¾ãããã³ã¼ãã¯ããã¨åé·ã«æ¸ãã¦ãã¾ãã æ¦è¦ï¼ Taskãã¼ã¹ã®ã¯ã¼ã«ã¼ã¹ã¬ããçæ ä»ã®éåæI/Oã¨é£æºãã¦ã¿ã¹ã¯ãå¶å¾¡ããæ¹æ³ Taskã¨LINQãå¿ç¨ãã¦ãå¤éã®è¨ç®ãå®å ¨ã«ä¸¦åå®è¡ãããæ¹æ³ Taskã使ã£ã¦ããªãéåæå¦çãTaskåããæ¹æ³ éåæå¦çã®ãã£ã³ã»ã«ã®å®ç¾æ¹æ³ WinRTã»ã¦ããã¼ãµã«Windowsã¢ããªã±ã¼ã·ã§ã³ï¼UWP)ã§ã®éåæå¦çã¨Taskã®é£æºæ¹æ³ èªãåã«è£è¶³ C#ã§Taskãasync-awaitã使ã£ãéåæå¦çã®æ¸ãæ¹ãæ¢ãã¦ããã®ã§ããã°ããã¤ã³ãã«çµã£ã¦æ¸ããããã¡ãã®è¨äºããå§ããã¾ã: ãã§ããï¼C#ã§éåæå¦ç(Taskã¨async-await)ã Taskã¯ã©ã¹ã®ä½¿ç¨ä¾ã¨ãã¦ãã¯ã¼ã«ã¼ã¹ã¬ãããèµ·åããã¨ããä¾ãè¯ãæãããã¾ããæ¬è¨äºãæåã«Task.Runã«ããã¯
Examples The following example shows how to use the CallerMemberName attribute. On each call to the TraceMessage method, the caller information is substituted as an argument to the optional parameter. public void DoProcessing() { TraceMessage("Something happened."); } public void TraceMessage(string message, [System.Runtime.CompilerServices.CallerMemberName] string memberName = "", [System.Runtime
Extras Dynamically Composing Expression Predicates Suppose you want to write a LINQ to SQL or Entity Framework query that implements a keyword-style search. In other words, a query that returns rows whose description contains some or all of a given set of keywords. We can proceed as follows: IQueryable<Product> SearchProducts (params string[] keywords) { IQueryable<Product> query = dataContext.Pro
2014/11/12 ã®æ·±å¤ãConnect(); éçºè ã¤ãã³ã Day 1ã«ã¦ Visual Studio/Azure ã«é¢ãã大ããªçºè¡¨ãããã¾ããã ãã®ãã¡ã® ASP.NET é¢é£ã§ã©ã®ãããªçºè¡¨ããã£ãã調ã¹ã¾ããã ã¾ããVisual Studio 2015 Preview 㨠Visual Studio 2013 Update 4 ã®2ã¤ãå ¬éããã¦ãã¾ãã ä»ã以ä¸ã®å 容ãçºè¡¨ããã¾ããã å 容 1. ASP.NET 5 Preview runtimeï¼VS 2015 Preview ã®ã¿ï¼ 2. ASP.NET 5 Preview Toolsï¼VS 2015 Preview ã®ã¿ï¼ 3. ASP.NET Tools/Runtime Updateï¼VS 2015 Preview 㨠VS 2013 Update 4ï¼ WebForm 4.6 Improvementsï¼VS
ãã¤ã¯ãã½ããã¯11æ12æ¥ï¼æ¥æ¬æé13æ¥æªæï¼ãå社ã®ã¤ãã³ãConnect();ã«ããã¦.NET server frameworkã®Linuxã¨MacOS Xç¨ãªãã£ã·ã£ã«ãã£ã¹ããªãã¥ã¼ã·ã§ã³ãçºè¡¨ãã¾ããã ããã¯.NET Core Runtimeã¨.NET Frameworkã®ãªã¼ãã³ã½ã¼ã¹åã¨ãããã¦çºè¡¨ããããã®ãããã«ãã£ã¦Windowsã ãã§ãªããLinuxãMac OS Xã§ããµã¼ããµã¤ãã®.NETã¢ããªã±ã¼ã·ã§ã³ããã«ãããå®è¡ãããã¨ãå¯è½ã«ãªãã¾ãã ãµã¼ããµã¤ãã®.NETãã¯ããã¸ã¼ããã«ããã©ãããã©ã¼ã ã«å±é ããã¾ã§.NETãã¯ããã¸ã¼ã¯Windowsã®å¼·ã¿ã¨ãã¦æä¾ããã¦ãã¾ãããä»åã®ãµã¼ããµã¤ã.NETã®ãªã¼ãã³ã½ã¼ã¹åãããã³.NET serve frameworkã®å±éã«ããããã¤ã¯ãã½ããã¯ãµã¼ããµã¤ãã®.NETãã¯ããã¸ã¼ããããããã©ãã
2026-01-10 è»äºã«ãããæ´å²ç転æç¹ Anduril Industries ã¢ã³ãã¥ãªã«ã»ã¤ã³ãã¹ããªã¼ãº æè³ æè³ã«ãããå°æ¿å¦ãªã¹ã¯ï¼æ¦äºï¼åé¿ã®ããã®ï¼ææ®µã¨ãã¦è»äºé¢é£æ ªãæ¤è¨ãã¦ããæã«è¦ã¤ããä¼ç¤¾ãæªä¸å ´ã 2017å¹´ã«åµæ¥ã ã¡ã³ãã¼ï¼ Oculus VRã®åµæ¥è ãã«ãã¼ã»ã©ããã¼æ°ãåµç«ã¡ã³ãã¼ ã³ã³ã·ã¥ã¼ãã®ãã©ããããããã¿ã¤ãã³ã°ãã¨ãã¦ã¼ã¶â¦ 2026-01-01 忥ã®åº æ¥èª å¨ãã¡ã¨å æ¦ç»å±±ããµã ãéåãã¦ããªã妻ãå±±é ã¾ã§ç»ãã¦ã¡ãã£ã¨æåããã ç¡äºã忥ã®åºãè¦ãã¦ã幸å è¯ãåºã ãã 2025-12-31 ãã³ãã¼ã¬ã¼çæ´»ããè墿åºãçµã¦ãAI管çã§ã20代以ä¸ã®èä½ããæã«å ¥ããã¾ã§ ãã¬ã¼ãã³ã°è¨é² 2025年㯠ææç¾©ãª1å¹´ã ã£ãã æ¯ãè¿ã£ã¦ã¿ãã¨ãä»å¹´ã¯ã身ä½ãã¨ãããã¼ãã¦ã§ã¢ãä¸åº¦å£ããAIã¨ããå¤é¨OSã使ã£ã¦åæ§ç¯ããã
ãã®ãã©ã¦ã¶ã¼ã¯ãµãã¼ããããªããªãã¾ããã Microsoft Edge ã«ã¢ããã°ã¬ã¼ãããã¨ãææ°ã®æ©è½ãã»ãã¥ãªãã£æ´æ°ããã°ã©ã ãããã³ãã¯ãã«ã« ãµãã¼ããå©ç¨ã§ãã¾ãã
ããã±ã¼ã¸ã使ã㦠NuGet ã§å ¬éãã Clark Sell æ¨å¹´ã® 11 æå·ã§ãéçºè åãã®æ°ããããã±ã¼ã¸ç®¡çã¨ã³ã·ã¹ãã ã¨ã㦠NuGet ã Phil Haack ãç´¹ä»ãã¾ãã (msdn.microsoft.com/magazine/hh547106)ãNuGet 㯠Outercurve Foundation ã®ããã¸ã§ã¯ãã§ãMicrosoft .NET Framework ã®æãåªããããã±ã¼ã¸ç®¡çã·ã¹ãã ã¨ãªããã¨ãç®æãã¦ãã¾ããããã¸ã§ã¯ã ãã¼ã ã¯ãéçºè ã³ãã¥ããã£ã¨é£æºãã¦æ´»åãã¦ãããã¤ã¯ãã½ããã®éçºè ã大åãå ãã¾ããéçºã¨ã³ã·ã¹ãã ã« NuGet ãå°å ¥ããã°ã.NET éçºè ãããã±ã¼ã¸ã使ç¨ã使ãããã³å ¬éã§ããããã«ãªãã¾ãã ä¸è¦ãNuGet ã¯ãªã¼ãã³ ã½ã¼ã¹ ã³ãã¥ããã£ã®ã¿ã対象ã¨ãããã¼ã«ã«æããããããã¾ãããããã®å½¹å²ã¯ã»
ä»ååãä¸ããã®ã¯ããã©ã¤ããªã³ã³ã¹ãã©ã¯ã¿ãã§ãããããã¼ãªæ¥æ¬èªã«ç´ãã¨ã䏿¬¡ã³ã³ã¹ãã©ã¯ã¿ããªã©ã¨ãã£ãæãã«ãªãã®ã§ããããããã®æ©è½ãç°¡åã«èª¬æããã¨ãã³ã³ã¹ãã©ã¯ã¿ãã²ã¨ã¤ã ãå®ç¾©ããæ©è½ã§ããããã§ã¯é çªã«è¦ã¦è¡ãã¾ãããã ã¨ãããã使ã£ã¦ã¿ã æå°éã®ãµã³ãã«ãæ¸ãã¦ã¿ãã¨ããã¨ä»¥ä¸ã®ããã«ãªãã¾ããã¯ã©ã¹åã®æ¨ªã«é¢æ°ã®å¼æ°ã®ãããªè¨è¿°ãããã¦ããã®ãåããã¾ãããã®ã¯ã©ã¹å®ç¾© + ã³ã³ã¹ãã©ã¯ã¿ã¿ãããªæ¸ãå³ããã©ã¤ããªã³ã³ã¹ãã©ã¯ã¿ã§ããããã ãã§ããstringåã®titleã¨ããååã®å¤æ°ã1ã¤ã ã弿°ã«åãã³ã³ã¹ãã©ã¯ã¿ãæã¤Bookã¯ã©ã¹ãã表ç¾ã§ãã¾ãã class Book(string title) {} ãã®ãã©ã¤ããªã³ã³ã¹ãã©ã¯ã¿ã®å¼æ°ã¯ãååç´¹ä»ããèªåå®è£ ããããã£åæååããã£ã¼ã«ãã®åæåã«å©ç¨ã§ãã¾ããä¾ãã°ä»¥ä¸ã®ãããªæãã§ãã clas
ãTry! C# vNextãã¨ãããã¨ã§ã次æC#ã®æ°æ©è½ãå°ããã¤è©¦ãã¦ããããã¨æãã¾ããã¾ãæåã¯èªåå®è£ ããããã£åæåå (= Auto-property initializers) ã§ããããã¾ã§ã¯ã¡ã³ãã¼å¤æ°ã®åæåã¯ã¯ã©ã¹å®£è¨ã¨åæã«ã§ããã®ã§ãããèªåå®è£ ããããã£ã¯ã³ã³ã¹ãã©ã¯ã¿ãªã©ã§ããåæåãã§ãã¾ããã§ããããã®å¶ç´ãåãæããããç°¡æ½ãªè¨è¿°ãå¯è½ã«ãããã¨ãããã®ã§ãã ã¨ãããã使ã£ã¦ã¿ã ä½¿ãæ¹ã¯ç°¡åã§ã以ä¸ã®ããã«èªåå®è£ ããããã£ã«å¯¾ãã¦å¤ãä»£å ¥ããããã«è¨è¿°ããã ãã§ãã class Book { public string Title{ get; set; } = "Untitled"; public int Price{ get; set; } = 100; } ããã¯ä»¥ä¸ã®æ¸ãæ¹ã¨ç価ã§ããå®åçãªåæåããã ãã®ã³ã³ã¹ãã©ã¯ã¿ãã»ã¼ã»ã¼ä¸è¦ã«
ä¾å¤å¦çã¯tryå¥ã§ã¹ãã¼ãããä¾å¤ã®åã«å¿ãã¦å¦çãæ¸ãåãã¾ããã¾ããã²ã¨ã¤ã®ä¾å¤ã®åã§ã¨ã©ã¼æ¡ä»¶ãåãããå ´åã¯catchå¥ã®ä¸ã«ifæãæ¸ãã¦åå²ãã¾ããä¾ãã°ä»¥ä¸ã®ãããªæãã§ãã try { //--- SQL Serverã¸ã®ä½ããã®ã¢ã¯ã»ã¹ } catch (SqlException ex) //--- SqlExceptionã®æ´¾çã¯ã©ã¹ã«é¢ããä¾å¤å¦ç { if (ex.Number == 1205) { //--- ãããããã¯çºçæ } else { //--- ãããããã¯ä»¥å¤ã®SqlExceptionã«é¢ããå¦ç } } catch (Exception ex) { //--- ãã®ä»ã®ãã¹ã¦ã®ä¾å¤ } C# vNextã§ã¯ãã®ã¨ã©ã¼ã®æ¡ä»¶åå² (= ifæ) ã«å½ããé¨åãcatchå¥ã®ä¸é¨ã¨ãã¦æ¸ããããã«ãªãã¾ãããã¤ã¾ããcatchå¥ã§å¼ã£æããä¾å¤ã®ã
ããã¾ã§C# vNextã®æ°æ©è½ã«ã¤ãã¦ããã¤ãç´¹ä»ãã¦ãã¾ããããå人çã«ã©ã ãå½¢å¼ããããã£ããããnull伿¬æ¼ç®åããããcatch/finallyå¥ã§å©ç¨ã§ããawaitæ¼ç®åããããã£ã¨ Ã2 è奮ããã®ãä»ååãä¸ããnameofæ¼ç®å (nameof operator) ã§ããç°¡åã«è¨ãã¨ã夿°åã颿°åãªã©ããµã¯ãã¨åå¾ããããã®ãã¼ã¯ã¼ãã§ãã ã¨ãããã使ã£ã¦ã¿ã nameofæ¼ç®åã®å©ç¨æ¹æ³ã¯ä»¥ä¸ã®ãããªæãã§ãããã®ããã«ãé常ã«ã«ã¸ã¥ã¢ã«ã«å©ç¨ãããã¨ãã§ãã¾ãã var n1 = nameof(value); var n2 = nameof(Console); var n3 = nameof(Console.Title); var n4 = nameof(Console.WriteLine); //--- ããããã®å¤æ°ã®å¤ /* n1 = value n2
ä¸é æ¼ç®åã¯ã²ã¨ã¤ã®å¼ã®ä¸ã§æ¡ä»¶å¼ã表ç¾ã§ãã¦é常ã«ä¾¿å©ã§ããè¨ãã¾ã§ããªãããããã¾ããããä¾ãã°ä»¥ä¸ã®ãããªæ¸ãæ¹ãã§ãã¾ãã var name = "ãããã"; return name == null ? "䏿" : name; /* //--- 以ä¸ã¨åãæå³ var name = "ãããã"; if (name != null) return name; return "䏿"; */ ä¸è¨ã®ãããªæ¸ãæ¹ã¯å ¨ç¶åé¡ãªãã®ã§ããããå¤ãnullã¨æ¯è¼ãã¦ãnullã§ãªããã°ãã®ã¾ã¾å¤ãè¿ããnullã ã£ããæ¢å®å¤ãè¿ããã¨ããå¦çã¯å®åå¥ã¨ãã¦çµæ§ããã¾ããããã§ãã®å®åå¥ãããçãè¨è¿°ãããããC# 2.0ã§nullå使¼ç®åã¨ããç縮形ã追å ããã¾ãããã¨ã¦ãç°¡æ½ã§ããã var name = "ãããã"; return name ?? "䏿"; nullæ¡ä»¶æ¼ç®å
æ¥ç¶æååã®æ¸ãæ¹ãã¾ã¨ãã¦ã¿ã - ãã°ããéè¨ ã§ã¾ã¨ããå 容ããæµç³ã«ã¡ãã£ã¨å¤ããªã£ã¦ããã®ã§ Azure å¨ããå«ãã¦ã¢ãããã¼ããè¡ã£ã¦ããã¾ãã SQL Server LocalDB LocalDB 㯠SQL Server 2012 ãã追å ããããã¤ã³ã¹ã¿ã³ã¹ã常æèµ·åããªãã¿ã¤ãã® SQL Server ã«ãªãã¾ããå¿ è¦ãªæã®ã¿ã¤ã³ã¹ã¿ã³ã¹ãç«ã¡ä¸ããã®ã§ãéçºæã«ã¯å½¹ã«ç«ã¤ãã¨æãã¾ãã <connectionStrings> <add name="{æ¥ç¶æååå}" connectionString="Data Source=(localdb)\v11.0;Integrated Security=True;AttachDbFileName={ãã¼ã¿ãã¼ã¹ãã¡ã¤ã«å}" providerName="System.Data.SqlClient" /> </connect
ç¹éï¼ãã¬ãã·ã¥ãã³ä¼ç» ã2011年度çã .NETéçºè ã®ããã®ãªã³ã©ã¤ã³ã»ãªã½ã¼ã¹ã»ã¬ã¤ã ãã¸ã¿ã«ã¢ããã³ãã¼ã¸ãä¸è² æ¿å½¦ 2011/04/19 æ¬ç¨¿ã¯ããããã.NETã§ããã°ã©ãã³ã°ãå§ãããã¨ãã¦ããæ¹ããæ°ãã.NETã§ã®éçºã«æºãããã¨ã«ãªã£ããã¬ãã·ã¥ãã³ã«è´ããªã³ã©ã¤ã³ã»ãªã½ã¼ã¹ã»ã¬ã¤ãã®2011年度çã§ãããã¤ã³ã¿ã¼ãããä¸ã«æ°ãã.NETé¢é£ãµã¤ãã®ä¸ã§ã.NETéçºè ãã¾ãã¯æ¼ããã¦ããã¹ãWebãµã¤ãã«ã¤ãã¦ã¾ã¨ãã¦ããã âæ¬ç¨¿ãã¾ã¨ãã¦ãããµã¤ãï¼ã¸ã£ã³ã«åãã«ã¤ã㦠.NETéçºè ãããå©ç¨ãããµã¤ãã®ä»£è¡¨ã¯ããã¯ã.NET Framework ï¼ Visual Studioãæä¾ãããã¤ã¯ãã½ããã®ãµã¤ãã ãããã ããã²ã¨ãããã«ããã¤ã¯ãã½ããã®ãµã¤ããã¨ãã£ã¦ãããã¤ã¯ãã½ãããéå¶ãããµã¤ãã¯æ¬å½ã«ãããããããããããã®ã³ã³ãã³ããè¨å¤§ã¨ãªã£
CodeZineç·¨éé¨ã§ã¯ãç¾å ´ã§æ´»èºãããããããã¼ãã¹ã¿ã¼ã«ããããã®ã«ã³ãã¡ã¬ã³ã¹ãDevelopers Summitãããã¨ã³ã¸ãã¢ã®çããã¾ããã¼ã¹ãããããã®ã¤ãã³ããDevelopers Boostããªã©ããã¾ãã¾ãªã«ã³ãã¡ã¬ã³ã¹ãä¼ç»ã»éå¶ãã¦ãã¾ãã
Thousands of teams worldwide trust MyGet with their package management and governance NuGet is the defacto open platform for sharing finished code packages with .NET developers around the world. From DLLs to other content needed in the projects that consume these packages, the Microsoft-supported mechanism for sharing code is NuGet, which defines how packages for .NET are created, hosted, and cons
.NET Native is a precompilation technology for building and deploying UWP apps. .NET Native is included with Visual Studio 2015 and later versions. It automatically compiles the release version of UWP apps that are written in managed code (C# or Visual Basic) to native code. Typically, .NET apps are compiled to intermediate language (IL). At run time, the just-in-time (JIT) compiler translates the
å¤ãã®ãã¼ã½ãã« ã³ã³ãã¥ã¼ã¿ã¼ã¨ã¯ã¼ã¯ã¹ãã¼ã·ã§ã³ã«ã¯ãè¤æ°ã®ã¹ã¬ãããåæã«å®è¡ã§ããè¤æ°ã® CPU ã³ã¢ãããã¾ãã ãã¼ãã¦ã§ã¢ãå©ç¨ããããã«ãã³ã¼ãã並ååãã¦è¤æ°ã®ããã»ããµã«ä½æ¥ã忣ããããã¨ãã§ãã¾ãã 以åã¯ã並ååã«ã¯ã¹ã¬ããã¨ããã¯ã®ä½ã¬ãã«ã®æä½ãå¿ è¦ã§ããã Visual Studio 㨠.NET ã¯ãã©ã³ã¿ã¤ã ãã¯ã©ã¹ ã©ã¤ãã©ãªã®ç¨®é¡ã診æãã¼ã«ãæä¾ãããã¨ã§ã並åããã°ã©ãã³ã°ã®ãµãã¼ããå¼·åãã¾ãã .NET Framework 4 ã§å°å ¥ããããããã®æ©è½ã«ããã並åéçºãç°¡ç¥åããã¾ãã ã¹ã¬ãããã¹ã¬ãã ãã¼ã«ãç´æ¥æä½ããªãã¦ããå¹ççã§ããç´°ããã¹ã±ã¼ã©ãã«ãªä¸¦åã³ã¼ããèªç¶ãªã¤ãã£ãªã ã§è¨è¿°ã§ãã¾ãã æ¬¡ã®å³ã¯ã.NET ã§ã®ä¸¦åããã°ã©ãã³ã° ã¢ã¼ããã¯ãã£ã®æ¦è¦ã示ãã¦ãã¾ãã é¢é£ããã㯠ãã¯ããã¸ã¼ 説æ
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ã¡ã³ããã³ã¹
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}