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How accurately should I store latitude and longitude?
...mal degrees distance
places
-------------------------------
0 1.0 111 km
1 0.1 11.1 km
2 0.01 1.11 km
3 0.001 111 m
4 0.0001 11.1 m
5 0.00001 1.11 m
6 0.000001 0.111 m
7 0.0000001 1.11 cm
8 0.0000...
How can I open multiple files using “with open” in Python?
...
As of Python 2.7 (or 3.1 respectively) you can write
with open('a', 'w') as a, open('b', 'w') as b:
do_something()
In earlier versions of Python, you can sometimes use
contextlib.nested() to nest context managers. This won't work as expe...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
I'm writing a web app for the iPad ( not a regular App Store app - it's written using HTML, CSS and JavaScript). Since the keyboard fills up a huge part of the screen, it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way ...
Error type 3 Error: Activity class {} does not exist
... This is the only thing that worked for me with Android Studio 3.1 Canary 7.
– NOTiFY
Jan 11 '18 at 14:00
3
...
Does Python have an ordered set?
...signing them None), then one has essentially an ordered set.
As of Python 3.1 there is collections.OrderedDict. The following is an example implementation of an OrderedSet. (Note that only few methods need to be defined or overridden: collections.OrderedDict and collections.MutableSet do the heavy ...
Difference between declaring variables before or in loop?
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@Jon, was it a bug in C# 1.0? Shouldn't ideally Outer be 9?
– nawfal
Jul 8 '14 at 18:10
...
How to recognize swipe in all 4 directions
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Apple Swift version 3.1 - Xcode Version 8.3 (8E162)
The handy way from Alexandre Cassagne's approach
let directions: [UISwipeGestureRecognizerDirection] = [.up, .down, .right, .left]
for direction in directions {
let gesture = UISwipeGestu...
How to detect total available/free disk space on the iPhone/iPad device?
...rmatter:(long long)diskSpace {
NSString *formatted;
double bytes = 1.0 * diskSpace;
double megabytes = bytes / MB;
double gigabytes = bytes / GB;
if (gigabytes >= 1.0)
formatted = [NSString stringWithFormat:@"%.2f GB", gigabytes];
else if (megabytes >= 1.0)
...
Is Dvorak typing appropriate for programming? [closed]
...hey are in different locations, they are different (US keyboard has no ´¨ç etc), and sometimes they even work differently! (In US keyboard there are no dead keys AFAIK, so one gets ~n instead of ñ, ^o instead of ô...)
– ANeves thinks SE is evil
Nov 11 '11 ...
Force browser to clear cache
...ke "_versionNo" to the file name for each release. For example:
script_1.0.css // This is the URL for release 1.0
script_1.1.css // This is the URL for release 1.1
script_1.2.css // etc.
Or alternatively do it after the file name:
script.css?v=1.0 // This is the URL for release 1.0
script.css...