大约有 16,000 项符合查询结果(耗时:0.0280秒) [XML]

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What is the difference between i++ and ++i?

...like to know when to use i++ or ++i ( i being a number variable like int , float , double , etc). Anyone who knows this? ...
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C99 stdint.h header and MS Visual Studio

To my amazement I just discovered that the C99 stdint.h is missing from MS Visual Studio 2003 upwards. I'm sure they have their reasons, but does anyone know where I can download a copy? Without this header I have no definitions for useful types such as uint32_t, etc. ...
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How to set custom favicon in Express?

... maybe here: http://www.favicon.cc/ or here :http://favicon-generator.org convert it to base64 maybe here: http://base64converter.com/ then replace the icon base 64 value general information how to create a personalized fav icon icons are made using photoshop or inkscape, maybe inkscape then ph...
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?

...ze of 64 bytes. Each line can hold 8 of the elements in the matrix (64-bit int). The critical stride would be 2048 bytes, which correspond to 4 rows of the matrix (which is continuous in memory). Assume we're processing row 28. We're attempting to take the elements of this row and swap them with...
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Generate fixed length Strings filled with whitespaces

...we can use the method java.lang.String.format(String, Object...) and use printf like format. The format string "%1$15s" do the job. Where 1$ indicates the argument index, s indicates that the argument is a String and 15 represents the minimal width of the String. Putting it all together: "%1$15s". ...
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How to get whole and decimal part of a number?

... As a side, intval() or simple casting as (int) might be more performant than floor() – Jason McCreary Jul 8 '11 at 2:36 ...
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Returning a value from thread?

... thread finishes //(because of obtaining the value of the Result property) int result = Task.Factory.StartNew(() => { //Some work... return 42;}).Result; .NET 4.5+: Starting with .NET 4.5 you could also use async/await keywords to return value from task directly instead of obtaining Re...
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What is the best way to give a C# auto-property an initial value?

...ince C# 6.0, you can specify initial value in-line. The syntax is: public int X { get; set; } = x; // C# 6 or higher DefaultValueAttribute is intended to be used by the VS designer (or any other consumer) to specify a default value, not an initial value. (Even if in designed object, initial value...
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Pass Array Parameter in SqlCommand

...ar parameters = new string[items.Length]; var cmd = new SqlCommand(); for (int i = 0; i < items.Length; i++) { parameters[i] = string.Format("@Age{0}", i); cmd.Parameters.AddWithValue(parameters[i], items[i]); } cmd.CommandText = string.Format("SELECT * from TableA WHERE Age IN ({0})", s...
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Setting Short Value Java

... In Java, integer literals are of type int by default. For some other types, you may suffix the literal with a case-insensitive letter like L, D, F to specify a long, double, or float, respectively. Note it is common practice to use up...