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How do I iterate over an NSArray?
...ictionary, NSArray, NSSet etc.) provide a very nice interface for managing information, without having to worry about the bureaucracy of memory management, reallocation etc. Of course this does come at a cost though. I think it's pretty obvious that say using an NSArray of NSNumbers is going to be s...
Relationship between SciPy and NumPy
...f sym_pos:
posv, = get_lapack_funcs(('posv',),(a1,b1))
c,x,info = posv(a1,b1,
lower = lower,
overwrite_a=overwrite_a,
overwrite_b=overwrite_b)
else:
gesv, = get_lapack_funcs(('gesv',),(a1,b1))
...
filename and line number of python script
...candre, the answer is:
#python3
from inspect import currentframe, getframeinfo
frameinfo = getframeinfo(currentframe())
print(frameinfo.filename, frameinfo.lineno)
share
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improve this answer
...
Logging in Scala
... These log libraries provide some sort of log object to which you can call info(...), debug(...), etc. I'm not a big fan of slf4j, but it now seems to be the predominant logging framework. Here's the description of SLF4J:
The Simple Logging Facade for Java or (SLF4J) serves as a simple facade or...
Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...that you can use for securing your communications for when the credit card info is transmitted over public networks. There are plenty of vendors, but my rule of thumb is to pick one that is a brand name in a way. The better they are known, the better your customer has probably heard of them.
Next...
How to automatically generate a stacktrace when my program crashes
...any compiler that uses glibc, you can use the backtrace() functions in execinfo.h to print a stacktrace and exit gracefully when you get a segmentation fault. Documentation can be found in the libc manual.
Here's an example program that installs a SIGSEGV handler and prints a stacktrace to stderr ...
Converting a UNIX Timestamp to Formatted Date String
...l not print the date in local timezone. Date will be printed with timezone info ignored, cause the timestamp doesn't have timezone info. gmdate and date with second timestamp parameter as 1333699439 will print the same date time.
– Tinus Tate
Apr 7 '16 at 13:09...
How to check the version of GitLab?
...
For omnibus versions:\
sudo gitlab-rake gitlab:env:info
Example:
System information
System: Ubuntu 12.04
Current User: git
Using RVM: no
Ruby Version: 2.1.7p400
Gem Version: 2.2.5
Bundler Version:1.10.6
Rake Version: 10.4.2
Sidekiq Version:3.3.0
GitLab infor...
How to get nice formatting in the Rails console
...> Sat, 06 Mar 2010 16:33:10 UTC +00:00,
:email => "info@hayesdubuque.com",
:background_info => nil
},
[1] #<Account:0x103321ff0> {
:id => 2,
:user_id => 4,
:assigned_to => 4,
...
Use numpy array in shared memory for multiprocessing
...multiprocessing as mp
from contextlib import closing
import numpy as np
info = mp.get_logger().info
def main():
logger = mp.log_to_stderr()
logger.setLevel(logging.INFO)
# create shared array
N, M = 100, 11
shared_arr = mp.Array(ctypes.c_double, N)
arr = tonumpyarray(sha...