mahmoud

def jit_toposort(dep_map):
    "expects a dict of {item: set([deps])}"
    ret, orig_dep_map, dep_map = [], dep_map, dict(dep_map)
    if not dep_map:
        return []
    extras = set.union(*dep_map.values()) - set(dep_map)
    dep_map.update([(k, set()) for k in extras])
    remaining = dict(dep_map)
    ready = set()
    while remaining:

mahmoud

Traceback (most recent call last):
  File "prefork.py", line 306, in <module>
    pidfile=args.pidfile).run(args.daemonize)
  File "prefork.py", line 222, in run
    self.handle_signals(os.read(r, 4096))
  File "prefork.py", line 193, in handle_signals
    handler_meth(signo, None)
  File "prefork.py", line 242, in SIGCLD_handler
    self.remove_worker(self.pid_to_workers[pid])
KeyError: 26600

mahmoud

body {
  margin: 5em 0;
  background-color: rgb(237, 224, 206);
}
article, header {
  background-color: #fff;
  color: #222222;
  margin: auto;
  padding: 1.5em;
  width: 600px;

mahmoud

>>> __builtins__ = {'file': __builtins__.file}
>>> file('/dev/null')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
IOError: file() constructor not accessible in restricted mode

mahmoud

Words

• Thunk
• Trap
• Trampoline
• Restart
• Transports/Protocols

Code

mahmoud

def raise_it():                                                                                              
    raise                                                                                                    
                                                                                                             
                                                                                                             
def do_it():                                                                                                 
    try:                                                                                                     
        dumb()                                                                                               
    except:                                                                                                  
        raise_it()                                                                                           
                                  

mahmoud

markdown input.md | tidy -i -w 1024 -q  | xclip -selection "clipboard"

mahmoud

# cropping mp4 video in ffmpeg. 
#
# this does require a re-encode but the following process created video 
# half the size with no perceptible change in quality. audio is unaffected.

# detect area to crop
ffplay -i show.mp4 -vf "cropdetect=24:16:0"

# crop to 944x720, x-offset=170, y-offset=0 (removing vertical black bars)
ffmpeg -i show.mp4 -vf "crop=944:720:170:0" show_cropped.mp4

mahmoud

$ python
Python 2.7.6 (default, Mar 22 2014, 22:59:56) 
[GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.maxint
9223372036854775807
>>> xrange(0, 2 ** 64 - 1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>

mahmoud

catsym:{`$sv[x]each string flip y}
accttypes:("SSSS";enlist",")0:hsym`$"..\\..\\..\\accttypes.csv"
accttypes:`accttype xkey select from accttypes where fi=`interracu.com
lcsv: {("****SDSFS**SSS";enlist",")0:hsym`$x}  /load csv from filename
chkopens:{[f]
	/f:first fs
	end:"D"$ssr[;".csv";""] f;
	begin:`date$`month$end;
	t:update `accttypes$account_code,route:catsym["";(zip5;crrt)] from lcsv f;
	during:select opens:count i by route from t where account_code.serv=`Checking,account_open_date within (begin,end);  /checking accounts opened during (begin,end) month period