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How dangerous is it to compare floating point values?
...ses.
First of all, if you want to program with floating point, you should read this:
What Every Computer Scientist Should Know About Floating-Point Arithmetic
Yes, read all of it. If that's too much of a burden, you should use integers/fixed point for your calculations until you have time to read...
How do I design a class in Python?
...ing like:
dog.footstep(0)
Now, it may be that for your case you need to read in your raw data file and compute the footstep locations. All this could be hidden in the footstep() function so that it only happens once. Something like:
class Dog:
def __init__(self):
self._footsteps=None
...
How can I create tests in Android Studio?
...w project and you will see the following default folders.
Everything is already there and waiting for you to create your tests. It's all set up already!
How to create local unit tests
Open the ExampleUnitTest file shown in the image above. it should look something like this:
public class ExampleUni...
Practicing BDD with python [closed]
... non-technical users so writing them is just noise to me. If someone can't read my given/when/then tests they have no business in there any way.
– jeremyjjbrown
Nov 7 '14 at 2:10
...
What are the differences between GPL v2 and GPL v3 licenses? [closed]
...
The page linked to in another answer is a good source, but a lot to read. Here is a short list of some of the major differences:
internationalization: they used new terminology, rather than using language tied to US legal concepts
patents: they specifically address patents (including the M...
Deprecated Java HttpClient - How hard can it be?
... (4.3) use {@link HttpClientBuilder}. <----- THE HINT IS HERE !
*/
@ThreadSafe
@Deprecated
public class DefaultHttpClient extends AbstractHttpClient {
Now you have the class to use, HttpClientBuilder, as there is no constructor to get a builder instance you may guess that there must be a stat...
Change all files and folders permissions of a directory to 644/755
...ich basically means:
to change file modes -Recursively by giving:
user: read, write and eXecute permissions,
group and other users: read and eXecute permissions, but not -write permission.
Please note that X will make a directory executable, but not a file, unless it's already searchable/execut...
Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
... that the method synchronizes on the object instance and is (presumably) thread-safe.
– Scrubbie
Mar 14 '12 at 18:08
...
Is there a performance difference between a for loop and a for-each loop?
...nt e : elements) {
doSomething(e);
}
When you see the colon (:), read it as
“in.” Thus, the loop above reads as
“for each element e in elements.” Note
that there is no performance penalty
for using the for-each loop, even for
arrays. In fact, it may offer a slight
perfo...
How do I serialize an object and save it to a file in Android?
...s = new ObjectInputStream(fis);
SimpleClass simpleClass = (SimpleClass) is.readObject();
is.close();
fis.close();
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