mirekfranc

#include <iostream>

class A
{
 public:
  A () { std::cout << "a"; }
  ~A () { std::cout << "A"; }
};

int i = 1;

mirekfranc

# https://sourceware.org/gdb/onlinedocs/gdb/Breakpoints-In-Python.html
# https://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Breakpoint-Commands.html

def my_breakpoint_handler (event):
    if (isinstance(event, gdb.BreakpointEvent) and (event.breakpoint.location == "g")):
        print event.breakpoint.hit_count

gdb.events.stop.connect(my_breakpoint_handler)
gdb.execute("start")
gdb.execute("break g")

mirekfranc

# capabilities
rpm2cpio ../iputils-20121221-5.fc20.x86_64.rpm | cpio -ivd
rpm -qp --filecaps ../iputils-20121221-5.fc20.x86_64.rpm  | grep '=' | awk '{ print "[ -L " $1 " ] || " "setcap "  $3  " "  "." $1; }' | bash

# permissions
rpm2cpio ../sudo-1.8.8-1.fc20.x86_64.rpm | cpio -ivd
rpm -qp --qf '[\[ -L %{FILENAMES:shescape} \] ||  chmod %7{FILEMODES:octal} %{FILENAMES:shescape}\n]' ../sudo-1.8.8-1.fc20.x86_64.rpm | sed -e "s|chmod ...|chmod |" -e "s|'/|'./|g" | bash

mirekfranc

##################################################
# profiler:

# https://docs.python.org/2/library/profile.html
# python -mcProfile -o profiler.out ./something.py

### profile.py ###
import pstats
p = pstats.Stats('profiler.out')
p.sort_stats('cumtime').print_stats(20)

mirekfranc

>>> def a(x=False, y=[]):
...   if not x:
...     y.append (5)
...   else:
...     print y
...
>>> a()
>>> a()
>>> a()
>>> a()

mirekfranc

git diff --name-status HEAD~30..HEAD

mirekfranc

$ cat problem_05.py 
n = 2520

while True:
    for i in xrange (20, 0, -1):
        if n % i != 0:
            break
    else:
        print (n)
        break

mirekfranc

#include <stdio.h>
#include <stdlib.h>

static int
factorial_helper (int n, int a)
{
 start:
  a *= n;

  if (n-- > 1)

mirekfranc

class Nonsense(object):
    def __init__(self, n):
        self.a = ['x'] * n

    @property
    def length(self):
        return len(self.a)

    @length.setter
    def length(self, n):

mirekfranc

class MyList(list):
    # alternative constructor
    @classmethod
    def multiple_of(cls, n, c):
        return cls(c * n)

    # some random method bundled in the class
    @staticmethod
    def print_with_numbers(a):
        for n, e in enumerate(a):