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Does Swift have access modifiers?
...hen one talks about making a "private method" in Swift or ObjC (or ruby or java or…) those methods aren't really private. There's no actual access control around them. Any language that offers even a little introspection lets developers get to those values from outside the class if they really wan...
Need for predictable random generator
... the bag for more randomness.
Here is an example of an implementation (in Java) and its test cases that I wrote some time ago.
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How to find out the number of CPUs using python
...t (KeyError, ValueError):
pass
# jython
try:
from java.lang import Runtime
runtime = Runtime.getRuntime()
res = runtime.availableProcessors()
if res > 0:
return res
except ImportError:
pass
# BSD
try:
sysctl...
Python assigning multiple variables to same value? list behavior
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If you're coming to Python from a language in the C/Java/etc. family, it may help you to stop thinking about a as a "variable", and start thinking of it as a "name".
a, b, and c aren't different variables with equal values; they're different names for the same identical value...
Best way for a 'forgot password' implementation? [closed]
....jsp page should be able to retrieve the ID parameter. Sorry, I don't know Java, so I can't be more specific.
When the user clicks the link in the email, he is moved to your page. The page retrieves the ID from the URL, hashes it again, and checks against the table. If such a record is there and is ...
What is “lifting” in Haskell?
...ree<a> that can store elements of some another type, a). I have used Java generics notation, <a>, for element type a and think of the elements as berries on the tree Tree<a>. There is a function fmap, which takes an element conversion function, a->b and container functor<a>...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...sts- for instance, the GIFAR vulnerability allowed you to hide a malicious java applet in a GIF file, which would then be able to read cookies in the current context and send them to another site for a cross-site scripting attack. Resizing the images usually prevents this, as it munges the embedded ...
Running multiple AsyncTasks at the same time — not possible?
...you try to execute more than 138 your custom tasks the app will crash with java.util.concurrent.RejectedExecutionException.
Starting from 3.0 the API allows to use your custom thread pool executor via AsyncTask.executeOnExecutor(Executor exec, Params... params) method. This allows, for instance, to...
Fragment transaction animation: slide in and slide out
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It doesn't work... caused "java.lang.RuntimeException: Unknown animator name: translate". This solution worked for me. trickyandroid.com/fragments-translate-animation
– Ataru
Feb 4 '15 at 11:45
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How to calculate the bounding box for a given lat/lng location?
...BoundingCoordinates
The article explains the formulae and also provides a Java implementation. (It also shows why Federico's formula for the min/max longitude is inaccurate.)
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