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MySQL show current connection info
...ther useful functions can be found here: http://dev.mysql.com/doc/refman/5.0/en/information-functions.html
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Large Numbers in Java
...a.math package.
Example:
BigInteger reallyBig = new BigInteger("1234567890123456890");
BigInteger notSoBig = new BigInteger("2743561234");
reallyBig = reallyBig.add(notSoBig);
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Convert string to integer type in Go?
... "os"
"strconv"
)
func main() {
flag.Parse()
s := flag.Arg(0)
// string to int
i, err := strconv.Atoi(s)
if err != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
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Asterisk in function call
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answered Mar 9 '11 at 0:01
CameronCameron
81.8k1818 gold badges172172 silver badges213213 bronze badges
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R - Concatenate two dataframes?
... line adds column b to data frame b.
Results
> a <- data.frame(a=c(0,1,2), b=c(3,4,5), c=c(6,7,8))
> a
a b c
1 0 3 6
2 1 4 7
3 2 5 8
> b <- data.frame(a=c(9,10,11), c=c(12,13,14))
> b
a c
1 9 12
2 10 13
3 11 14
> b$b <- NA
> b
a c b
1 9 12 NA
2 10 13 NA
3 11...
swift case falling through
...
370
Yes. You can do so as follows:
var testVal = "hello"
var result = 0
switch testVal {
case "one...
Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
...ip install https://pypi.python.org/packages/source/r/requests/requests-2.3.0.tar.gz
Install from local tarball
wget https://pypi.python.org/packages/source/r/requests/requests-2.3.0.tar.gz
pip install requests-2.3.0.tar.gz
Install from local folder
tar -zxvf requests-2.3.0.tar.gz
cd requests-2...
How to tell if a tag failed to load
...d I'd like to be able to tell whether the loading failed in some way -- a 404, a script error in the loaded script, whatever.
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