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Detect application heap size in Android
...Android jacuzzi.
This distinction is not clearly documented, so far as I know, but I have tested this hypothesis on five different Android devices (see below) and have confirmed to my own satisfaction that this is a correct interpretation.
For a stock version of Android, maxMemory() will typically...
How should I read a file line-by-line in Python?
...are.
Or you could just use the with block.
Bonus Question
(Stop reading now if are only interested in the objective aspects of the question.)
Why isn't that included in the iterator protocol for file objects?
This is a subjective question about API design, so I have a subjective answer in t...
Django CharField vs TextField
...ike maybe the body of a blog) but are meant to hold large chunks of text. Now most of this depends on the DB Engine and like in Postgres it does not matter.
Even if it does not matter, if you use ModelForms you get a different type of editing field in the form. The ModelForm will generate an HTML...
Using varchar(MAX) vs TEXT on SQL Server
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I didn't know that it would store in the page at 8k, and out of the page if larger. Very cool.
– Brain2000
May 11 '12 at 18:35
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Good example of livelock?
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Flippant comments aside, one example which is known to come up is in code which tries to detect and handle deadlock situations. If two threads detect a deadlock, and try to "step aside" for each other, without care they will end up being stuck in a loop always "stepping a...
Change working directory in my current shell context when running Node script
... the current working directory of the process, not the shell. As far as I know, changing the external cwd of a running process is quite complex and isn't recommended. What is your reason for wanting to do this?
– hexacyanide
Nov 6 '13 at 4:03
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Threading in a PyQt application: Use Qt threads or Python threads?
...ode executed within the context of a QT thread still acquires the GIL, and now you have to manage two sets of logic for locking your code.
In the end, both QT threads and Python threads are wrappers around system threads. Python threads are marginally safer to use, since those parts that are not wr...
Android. Fragment getActivity() sometimes returns null
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Ok, I know that this question is actually solved but I decided to share my solution for this. I've created abstract parent class for my Fragment:
public abstract class ABaseFragment extends Fragment{
protected IActivityEnable...
Why does Pycharm's inspector complain about “d = {}”?
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@HelloGoodbye - Without knowing the problem you are trying to solve I can't express a qualified opinion, but have you considered starting with d = { 'aaa': f1(something) } then d = f2(d) then d = f3(d) etc... Or alternatively d['bbb'] = f2(d), d['ccc...
Design patterns to avoid [closed]
...mon today.
From there you can read up on SOLID principles which was made known by Robert Cecil Martin (aka. Uncle Bob). Scott Hanselman interviewed Uncle Bob in a podcast about these principles:
Single Responsibility Principle
Open Closed Principle
Liskov Substitution Principle
Interface Segregat...