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How do I read / convert an InputStream into a String in Java?
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Using InputStreamReader and StringBuilder (JDK)
final int bufferSize = 1024;
final char[] buffer = new char[bufferSize];
final StringBuilder out = new StringBuilder();
Reader in = new InputStreamReader(stream, StandardCharsets.UTF_8);
int charsRead;
while((charsRead = in.read(buffer, 0, buffer.l...
typeof for RegExp
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answered Dec 2 '10 at 20:08
CleitonCleiton
13.1k1313 gold badges4141 silver badges5757 bronze badges
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How do I replace NA values with zeros in an R dataframe?
...ent in @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10 NA 2 1 7 2
3 1 1 6 3 6 NA 1 4 1 6
4 NA 4 NA 7 10 2 NA 4 ...
Write a number with two decimal places SQL server
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How can I find the data structure that represents mine layout of Minesweeper in memory?
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Why does parseInt yield NaN with Array#map?
...e as not supplying the parameter, so it defaulted based on the input (base 10, in this case). Base 1 is an impossible number base, and 3 is not a valid number in base 2:
parseInt('1', 0); // OK - gives 1
parseInt('2', 1); // FAIL - 1 isn't a legal radix
parseInt('3', 2); // FAIL - 3 isn't legal in...
Android OpenGL ES and 2D
...have your canvas set up, you start by calling something like:
gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
After that you're ready to render a sprite.
First, you'll need to load the sprite into a texture: http://qdevarena.blogspot.com/2009/02/how-to-load-texture-in-android-opengl.html
However, this is th...
Questions every good Java/Java EE Developer should be able to answer? [closed]
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answered Jan 22 '10 at 1:06
community wiki
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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...一共规定了128个字符的编码, 比如空格"SPACE"是32(二进制00100000), 大写的
字母A是65(二进制01000001). 这128个符号(包括32个不能打印出来的控制符号), 只占用
了一个字节的后面7位, 最前面的1位统一规定为0.
1.2 非ASCII编码
英语用1...
Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
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answered Apr 9 '10 at 22:06
Ben ZottoBen Zotto
65.7k2222 gold badges133133 silver badges199199 bronze badges
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