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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
... 1.1mm; what about 7 and 6 ? (I'm not good at maths). I'm using double for now but would like to check if I could gain in distance calculations by changing type. Thank you.
– Alain Zelink
Feb 26 '16 at 12:50
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Force update of an Android app when a new version is available
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@SepGH things have changed since, and Android now offers an API which you can use to force the user to upgrade and block him from continuing using the app if he doesn't upgrade to a minimum version: developer.android.com/guide/app-bundle/in-app-updates
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Android Activity as a dialog
I have an Activity named whereActity which has child dialogs as well. Now, I want to display this activity as a dialog for another activity.
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How to get nice formatting in the Rails console
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Its now YAML::ENGINE.yamler = 'psych'
– jumpa
Dec 5 '13 at 5:53
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How to print out the contents of a vector?
... won't expound upon here):
typedef std::vector<char> Path; // 'Path' now a synonym for the vector
Path path;
// ...
for (Path::const_iterator i = path.begin(); i != path.end(); ++i)
std::cout << *i << ' ';
C++11 also introduced a type alias, which does the same job as a typede...
How can I overwrite a getter method in an ActiveRecord model?
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Well. I just saw the doco. Now if I call name on the model object, which one will be called -name_with_override or name_without_override ?
– Arup Rakshit
May 19 '15 at 9:29
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Code Golf: Lasers
... $_.
$s="#";
$s is the symbol of whatever the beam is sitting on top of now. Since the laser emitter is to be treated like a wall, set this to be a wall to begin with.
if (tr/v<^/>v</) {
my $o;
$o .= "\n" while s/.$/$o .= $&, ""/meg;
tr,/\\,\\/, for $o, $s;
$_ = $o;
}
If t...
Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer
... the "Linux" crypto backend.
Beginning with Git for Windows 2.14, you can now configure Git to use SChannel, the built-in Windows networking layer as the crypto backend. This means that you it will use the Windows certificate storage mechanism and you do not need to explicitly configure the curl CA...
Obtaining a powerset of a set in Java
...tains() would be O(n), etc.
Do you really need this?
EDIT:
This code is now available in Guava, exposed through the method Sets.powerSet(set).
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Expand Python Search Path to Other Source
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I know this thread is a bit old, but it took me some time to get to the heart of this, so I wanted to share.
In my project, I had the main script in a parent directory, and, to differentiate the modules, I put all the supportin...