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Difference between Python datetime vs time modules
I am trying to figure out the differences between the datetime and time modules, and what each should be used for.
4 An...
How do I start a program with arguments when debugging?
...ant to debug a program in Visual Studio 2008. The problem is that it exits if it doesn't get arguments. This is from the main method:
...
Call one constructor from another
...
If what you want can't be achieved satisfactorily without having the initialization in its own method (e.g. because you want to do too much before the initialization code, or wrap it in a try-finally, or whatever) you can hav...
Multiple returns from a function
...unction wtf($blahblah = true) {
$var1 = "ONe";
$var2 = "tWo";
if($blahblah === true) {
return $var2;
}
return $var1;
}
In application:
echo wtf();
//would echo: tWo
echo wtf("not true, this is false");
//would echo: ONe
If you wanted them both, you could modify the fu...
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
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Please see my answer if you want to get only one count column per group.
– Pedro M Duarte
Sep 26 '15 at 19:43
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Global access to Rake DSL methods is deprecated
...ke 0.9.1 by running the following command:
gem uninstall rake -v=0.9.1
If you have multiple versions of the gem installed, you'll be prompted to pick a version.
After 0.9.1 was cleaned out, I ran
bundle update rake
and was finally able to create my database files. I was using rake db:create...
How to output messages to the Eclipse console when developing for Android
...e reference for Log.
The benefits of using LogCat are that you can print different colours depending on your log type, e.g.: Log.d prints blue, Log.e prints orange. Also you can filter by log tag, log message, process id and/or by application name. This is really useful when you just want to see yo...
How can I stop .gitignore from appearing in the list of untracked files?
...d and so on.
So, add it to your repository, it should not be gitignored.
If you really want you can add .gitignore to the .gitignore file if you don't want it to be committed. However, in that case it's probably better to add the ignores to .git/info/exclude, a special checkout-local file that wor...
Why does ContentResolver.requestSync not trigger a sync?
...mber of steps to tell Android that you are capable of synchronizing a specific kind of content using a specific kind of account. It does this in the AndroidManifest.
1. Notify Android that your application package provides syncing
First off, in AndroidManifest.xml, you have to declare that you h...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...ind more information on their use? I've read that they are similar to an 'if' 'else' statement.
7 Answers
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