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Haversine Formula in Python (Bearing and Distance between two GPS points)
...fy math.pi, math.sin etc. With from math import * you get direct access to all the module contents. Check out "namespaces" in a python tutorial (such as docs.python.org/tutorial/modules.html)
– Michael Dunn
Feb 6 '11 at 21:20
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IntelliJ - Convert a Java project/module into a Maven project/module
...ou mean adding source repository elements, I think you need to do that manually–not sure.
Pre-IntelliJ 13 this won't convert the project to the Maven Standard Directory Layout, 13+ it will.
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Save the console.log in Chrome to a file
...the flags:
--enable-logging --v=1
This logs everything Chrome does internally, but it also logs all the console.log() messages as well. The log file is called chrome_debug.log and is located in the User Data Directory.
Filter the log file you get for lines with CONSOLE(\d+).
Note that console l...
if/else in a list comprehension
...
You can totally do that. It's just an ordering issue:
[unicode(x.strip()) if x is not None else '' for x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
[f...
UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
...case since I'm using it as protection against non-ASCII input which is not allowed by my application.
Alternatively: Use the open method from the codecs module to read in the file:
import codecs
with codecs.open(file_name, 'r', encoding='utf-8',
errors='ignore') as fdata:
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When to wrap quotes around a shell variable?
... quote it if it can either be empty or contain spaces (or any whitespace really) or special characters (wildcards). Not quoting strings with spaces often leads to the shell breaking apart a single argument into many.
$? doesn't need quotes since it's a numeric value. Whether $URL needs it depends o...
Android emulator doesn't take keyboard input - SDK tools rev 20
.../managing-avds-cmdline.html#hardwareopts
On Mac OS and Linux you can edit all of your emulator configurations with one Terminal command:
for f in ~/.android/avd/*.avd/config.ini; do echo 'hw.keyboard=yes' >> "$f"; done
On a related note, if your tablet emulator is missing the BACK/HOME bu...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
... NULL is less efficient
In PostgreSQL, NOT IN is less efficient
In Oracle, all three methods are the same.
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How to inspect FormData?
...oo, bar)To take any number of argument you could use the apply method and call it as such: console.log.apply(console, array).
But there is a new ES6 way to apply arguments with spread operator and iteratorconsole.log(...array).
Knowing this, And the fact that FormData and both array's has a Symbol....
Does hosts file exist on the iPhone? How to change it? [closed]
...your problem...
What make of router do you have? Your router firmware may allow you to set DNS records for your local network. This is what I do with the Tomato firmware
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