大约有 45,000 项符合查询结果(耗时:0.0618秒) [XML]

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What are good alternatives to SQL (the language)? [closed]

...n or local methods in SQL. I looked up ScalaQuery from your post (which is now called Slick) and rewrote the entire system and every 6 queries become 1, just because you could encapsulate and have local methods! If anyone is suffering from SQL horrors, look up Scala Slick or Quill and prepare for en...
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.NET String.Format() to add commas in thousands place for a number

... I know it's been 5 years now, but thanks! It works for numbers > 4 characters, and < 4 characters. – AskYous May 18 '15 at 16:21 ...
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MySQL Workbench: How to keep the connection alive

... From the now unavailable internet archive: Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400. Close and reopen MySQL Workbe...
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Detecting WPF Validation Errors

...The posted code did not work for me when using a ListBox. I rewrote it and now it works: public static bool IsValid(DependencyObject parent) { if (Validation.GetHasError(parent)) return false; // Validate all the bindings on the children for (int i = 0; i != VisualTreeHelper.Ge...
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The import org.junit cannot be resolved

... I added JUnit 4 via Properties -> Java Build Path, but every now and then Eclipse still shows me this error, though running the tests is possible without problems. Restarting Eclipse resolves the problem - for a while. Any explanation for this? – Thomas W ...
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#ifdef #ifndef in Java

...with "final" modifier Java compiler itself solves the problem. Because it knows in advance what would be the result of testing this condition. For example this code: boolean flag1 = true; boolean flag2 = false; int j=0; for(int i=0;i<1000000000;i++){ if(flag1) ...
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]

...s not an object, and there's no underlying virtual machine which needs to know about a Person class. There's no boxing or unboxing, and functions don't have to belong to classes, or indeed anything. Because of this, the C++ compiler places no restrictions on what you can do with templates - basicall...
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What is the difference between 'protected' and 'protected internal'?

... @Shimmy two years later, and yes. Now there is a way in C# 7.2. Its called private protected docs.microsoft.com/en-us/dotnet/csharp/language-reference/… – Pauli Østerø Nov 17 '17 at 19:19 ...
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Any way to clear python's IDLE window?

I know there's a similar topic about python console, but I do not know if they are the same. I tried system("clear") and it didn't work here. ...
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Should Github be used as a CDN for javascript libraries? [closed]

... I hope you know CachedCommons.com is just serving from github.com – ocodo Dec 27 '12 at 6:00 ...