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Scanner vs. BufferedReader
As far I know, the two most common methods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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CSS hexadecimal RGBA?
... = 'rgba(' + matches.slice(1).map(function(m) { return parseInt(m, 16); }).concat(a) + ')';
– PointedEars
Nov 27 '11 at 14:47
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Java ByteBuffer to String
...ch would be reasonable if you knew the bytes are in the platform's default charset. In your example, this is true because k.getBytes() returns the bytes in the platform's default charset.
More frequently, you'll want to specify the encoding. However, there's a simpler way to do that than the questi...
Integer.toString(int i) vs String.valueOf(int i)
...ethod valueOf
static String valueOf(boolean b)
static String valueOf(char c)
static String valueOf(char[] data)
static String valueOf(char[] data, int offset, int count)
static String valueOf(double d)
static String valueOf(float f)
static String valueOf(int i)
static String ...
How does this program work?
...oat is converted to double, as the prototype of printf is int printf(const char*, ...), from 6.5.2.2/7,
The ellipsis notation in a function prototype declarator causes argument type conversion to stop after the last declared parameter. The default argument promotions are performed on trailing ar...
Why does HTML5 form-validation allow emails without a dot?
...l validation doesn't check for a dot in the address, nor does it check for characters following said dot.
8 Answers
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Tab key == 4 spaces and auto-indent after curly braces in Vim
... if I enable expandtab, is there a way to actually input the tab character in the text anyway?
– Daniele Segato
Mar 16 '16 at 10:47
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What is the difference between a mutable and immutable string in C#?
...is mutable)
so if you have to alter a string many times, such as multiple concatenations, then use StringBuilder.
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Java : How to determine the correct charset encoding of a stream
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I have used this library, similar to jchardet for detecting encoding in Java:
http://code.google.com/p/juniversalchardet/
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Getting LaTeX into R Plots
...older/")
Lab5p9 <- read.csv (file="~/DataFolder/Lab5part9.csv", comment.char="#")
AR <- subset(Lab5p9,Region == "Forward.Active")
# make sure the data names aren't already in latex format, it interferes with the ggplot ~ # tikzDecice combo
colnames(AR) <- c("$V_{BB}[V]$", "$V_{RB}[V]$" ,...