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How to install the Raspberry Pi cross compiler on my Linux host machine?
...arm-linux-gnueabihf-raspbian/bin
to the end of the file named ~/.bashrc
Now you can either log out and log back in (i.e. restart your terminal session), or run . ~/.bashrc in your terminal to pick up the PATH addition in your current terminal session.
Now, verify that you can access the compiler...
Best way to add Activity to an Android project in Eclipse?
...n Ubuntu 10.04. When the add dialog comes up, it has two selections... No, now only one "Create a new element at the top level, in Application." Ne;low that there is a text entry field and below that, a box with selections for Activity, Activity Alias, Meta Data and so on. Below that there are butto...
Should .nuget folder be added to version control?
...uGet 4.x and .NET Standard 2.0, when you use the new csproj format you can now use package references, ironically reintroducing the dependency on msbuild to restore packages, but now packages are a first class citizen of msbuild. The link above also makes mention of the PackageReference, but the fo...
How to change a nullable column to not nullable in a Rails migration?
I created a date column in a previous migration and set it to be nullable. Now I want to change it to be not nullable. How do I go about doing this assuming there are null rows in that database? I'm ok with setting those columns to Time.now if they're currently null.
...
How should I log while using multiprocessing in Python?
Right now I have a central module in a framework that spawns multiple processes using the Python 2.6 multiprocessing module . Because it uses multiprocessing , there is module-level multiprocessing-aware log, LOG = multiprocessing.get_logger() . Per the docs , this logger has process-shared lock...
Difference between
...at you can only read from it and you'll get a T or subclass of T.
super
Now consider List <? super T>.
The wildcard declaration of List<? super Integer> foo3 means that any of these are legal assignments:
List<? super Integer> foo3 = new ArrayList<Integer>(); // Integer...
JavaScript - get the first day of the week from current date
...
Using the getDay method of Date objects, you can know the number of day of the week (being 0=Sunday, 1=Monday, etc).
You can then subtract that number of days plus one, for example:
function getMonday(d) {
d = new Date(d);
var day = d.getDay(),
diff = d.getDate()...
How to create GUID / UUID?
...
UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier), according to RFC 4122, are identifiers designed to provide certain uniqueness guarantees.
While it is possible to implement an RFC-compliant UUIDs in a few lines of JS (E.g. see @b...
Adding a Method to an Existing Object Instance
...ting a "bound method."
foo.sample_method = sample_method.__get__(foo)
and now:
>>> foo.sample_method(1,2)
3
Method one - types.MethodType
First, import types, from which we'll get the method constructor:
import types
Now we add the method to the instance. To do this, we require the Metho...
Python: reload component Y imported with 'from X import Y'?
... Wow. I found this really handy. Thanks! I use this as one liner now: import X; reload( X ); from X import Y
– otterb
Apr 23 '14 at 22:26
1
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