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Differences between numpy.random and random.random in Python
...for some things (for example for creating an array of random numbers taken from a binomial distribution) and in other places I use the module random.random .
...
How to quit android application programmatically
...cally used when an application can be launched on to another task (such as from an ACTION_VIEW of a content type it understands) and the user has used the up navigation to switch out of the current task and into its own task. In this case, if the user has navigated down into any other activities of ...
How do I increase the number of displayed lines of a Java stack trace dump?
...u don't need to; that information is present elsewhere in the stack trace. From the docs of printStackTrace():
Note the presence of lines containing the characters "...". These lines indicate that the remainder of the stack trace for this exception matches the indicated number of frames from the bo...
How to debug Lock wait timeout exceeded on MySQL?
...query, all the tables being accessed are candidates for being the culprit.
From there, you should be able to run SHOW ENGINE INNODB STATUS\G
You should be able to see the affected table(s)
You get all kinds of additional Locking and Mutex Information.
Here is a sample from one of my clients:
mysql&g...
Enable access control on simple HTTP server
...
Python 3 solution
Python 3 uses SimpleHTTPRequestHandler and HTTPServer from the http.server module to run the server:
#!/usr/bin/env python3
from http.server import HTTPServer, SimpleHTTPRequestHandler, test
import sys
class CORSRequestHandler (SimpleHTTPRequestHandler):
def end_headers (s...
Is it worth using Python's re.compile?
...time it takes to check the cache (a key lookup on an internal dict type).
From module re.py (comments are mine):
def match(pattern, string, flags=0):
return _compile(pattern, flags).match(string)
def _compile(*key):
# Does cache check at top of function
cachekey = (type(key[0]),) + k...
How to request Administrator access inside a batch file
I am trying to write a batch file for my users to run from their Vista machines with UAC. The file is re-writing their hosts file, so it needs to be run with Administrator permissions. I need to be able to send them an email with a link to the .bat file. The desired behavior is that when they rig...
Autoreload of modules in IPython [duplicate]
...hon
In [1]: %load_ext autoreload
In [2]: %autoreload 2
In [3]: from foo import some_function
In [4]: some_function()
Out[4]: 42
In [5]: # open foo.py in an editor and change some_function to return 43
In [6]: some_function()
Out[6]: 43
The module was reloaded without r...
How to access accelerometer/gyroscope data from Javascript?
... true);
}
The constant factors 2 and 50 are used to "align" the readings from the two latter events with those from the first, but these are by no means precise representations. For this simple "toy" project it works just fine, but if you need to use the data for something slightly more serious, ...
Superiority of unnamed namespace over static?
...
You're basically referring to the section §7.3.1.1/2 from the C++03 Standard,
The use of the static keyword is
deprecated when declaring objects in a
namespace scope; the
unnamed-namespace provides a superior
alternative.
Note that this paragraph was already remov...