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How to filter by IP address in Wireshark?
...can also limit the filter to only part of the ip address.
E.G. To filter 123.*.*.* you can use ip.addr == 123.0.0.0/8. Similar effects can be achieved with /16 and /24.
See WireShark man pages (filters) and look for Classless InterDomain Routing (CIDR) notation.
... the number after the slash...
How to clear the interpreter console?
Like most Python developers, I typically keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc.
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Best way to pretty print a hash
...\2:"). # "foo": 1 -> foo: 1
gsub(/(^\s*)(".*?"):/, "\\1\\2 =>") # "123": 1 -> "123" => 1
{
a: 1,
"2" => 3,
"3" => nil
}
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Python: Best way to add to sys.path relative to the current running script
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This is what I use:
import os, sys
sys.path.append(os.path.join(os.path.dirname(__file__), "lib"))
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How to perform file system scanning
...lk(). The original is below.
package main
import (
"path/filepath"
"os"
"flag"
"fmt"
)
func visit(path string, f os.FileInfo, err error) error {
fmt.Printf("Visited: %s\n", path)
return nil
}
func main() {
flag.Parse()
root := flag.Arg(0)
err := filepath.Walk(root, visit)
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Bash script absolute path with OS X
I am trying to obtain the absolute path to the currently running script on OS X.
15 Answers
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How to discover number of *logical* cores on Mac OS X?
...he command line, how many cores are on the machine when you're running Mac OS X? On Linux, I use:
14 Answers
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Django TemplateDoesNotExist?
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First solution:
These settings
TEMPLATE_DIRS = (
os.path.join(SETTINGS_PATH, 'templates'),
)
mean that Django will look at the templates from templates/ directory under your project.
Assuming your Django project is located at /usr/lib/python2.5/site-packages/projectname/...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...n the third rule)
Now it becomes interesting:
var a = "12" + "3";
var b = "123";
alert(a === b); // returns true, because strings behave like value types
But how about this?:
var a = new String("123");
var b = "123";
alert(a === b); // returns false !! (but they are equal and of the same type)
I...
Run a Python script from another Python script, passing in arguments [duplicate]
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Try using os.system:
os.system("script2.py 1")
execfile is different because it is designed to run a sequence of Python statements in the current execution context. That's why sys.argv didn't change for you.
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