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Is there a method to generate a UUID with go language
... (
"fmt"
"log"
"os/exec"
)
func main() {
out, err := exec.Command("uuidgen").Output()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s", out)
}
Which yields:
$ go run uuid.go
dc9076e9-2fda-4019-bd2c-900a8284b9c4
...
Kiosk mode in Android
... (disable access to menu, limit application addition etc) to enable kiosk. http://code.google.com/p/android-launcher-plus/
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Select something that has more/less than x character
... use Length(), mysql also uses Length.
Here is the Oracle documentation:
http://www.techonthenet.com/oracle/functions/length.php
And here is the mySQL Documentation of Length(string):
http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_length
For PostgreSQL, you can use length...
How to change the order of DataFrame columns?
...
How about:
df.insert(0, 'mean', df.mean(1))
http://pandas.pydata.org/pandas-docs/stable/dsintro.html#column-selection-addition-deletion
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Count occurrences of a char in a string using Bash
I need to count the number of occurrences of a char in a string using Bash.
7 Answers
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What's the point of const pointers?
...ou should use in pursuit of a very important C++ concept:
Find bugs at compile-time, rather than run-time, by getting the compiler to enforce what you mean.
Even though it doesn't change the functionality, adding const generates a compiler error when you're doing things you didn't mean to do. ...
URLs: Dash vs. Underscore [closed]
...Webmaster Central
Consider using punctuation in your
URLs. The URL
http://www.example.com/green-dress.html
is much more useful to us than
http://www.example.com/greendress.html.
We recommend that you use hyphens (-)
instead of underscores (_) in your
URLs.
...
How can I read a function's signature including default argument values?
Given a function object, how can I get its signature? For example, for:
8 Answers
8
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JavaScript Chart Library
...
Check out http://www.highcharts.com !
Highcharts is a charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application. Highcharts currently supports line, spline, area...
IntelliJ does not show 'Class' when we right click and select 'New'
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