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How to encrypt String in Java
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if (message == null || key == null) return null;
char[] keys = key.toCharArray();
char[] mesg = message.toCharArray();
int ml = mesg.length;
int kl = keys.length;
char[] newmsg = new char[ml];
for (int i = 0; i &...
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...
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 can I get a resource “Folder” from inside my jar File?
...nput Stream will have all the files name from that dir. After that you can concat the dir path with each file name and call getResourceAsStream for each file in a loop.
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Find the max of two or more columns with pandas
...DataFrame(np.random.randn(5, 1000))
perfplot.show(
setup=lambda n: pd.concat([df_] * n, ignore_index=True),
kernels=[
lambda df: df.assign(new=df.max(axis=1)),
lambda df: df.assign(new=df.values.max(1)),
lambda df: df.assign(new=np.nanmax(df.values, axis=1)),
...
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
3
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MySQL - ORDER BY values within IN()
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just use
order by INSTR( ',B,C,D,A,' , concat(',' , `field`, ',' ) )
avoid the situation like
INSTR('1,2,3,11' ,`field`)
will end with unordered result row : 1 and 11 alternant
s...
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("$V_{BB}[V]$", "$V_{RB}[V]$" ,...