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GOTO still considered harmful? [closed]
Everyone is aware of Dijkstra's Letters to the editor: go to statement considered harmful (also here .html transcript and here .pdf) and there has been a formidable push since that time to eschew the goto statement whenever possible. While it's possible to use goto to produce unmaintainable, s...
Why is “except: pass” a bad programming practice?
...e). This can be for example something that retries the action again, or to set up a default value instead.
If that’s not the case though, for example because our code is already structured to repeat until it succeeds, then just passing is good enough. Taking our example from above, we might want ...
Why use Ruby instead of Smalltalk? [closed]
Ruby is becoming popular , largely from the influence Ruby on Rails, but it feels like it is currently struggling through its adolescence. There are a lot of similarities between Ruby and Smalltalk -- maglev is a testament to that. Despite having a more unusual syntax, Smalltalk has all (if not m...
How did Google manage to do this? Slide ActionBar in Android application
...on = (ImageView) rowView.findViewById(R.id.menu_icon);
rowView.setTag(viewHolder);
}
MenuItem holder = (MenuItem) rowView.getTag();
String s = items[position].label;
holder.label.setText(s);
holder.icon.setImageResource(items[position].icon);
...
How do you Encrypt and Decrypt a PHP String?
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Make sure you use mb_strlen() and mb_substr(), using the '8bit' character set mode to prevent mbstring.func_overload issues.
IVs should be generating using a CSPRNG; If you're using mcrypt_create_iv(), DO NOT USE MCRYPT_RAND!
Also check out random_compat.
Unless you're using an AEAD construct, A...
Should I use tag for icons instead of ? [closed]
...er creatively you use it, it expresses the general idea of an alternate or set-apart term.
2. The <i> tag adds semantic meaning to an icon element.
The alternative option to carry an icon class by itself is <span>, which of course has no semantic meaning whatsoever. When a machine asks...
Get last n lines of a file, similar to tail
I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom.
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What is the curiously recurring template pattern (CRTP)?
Without referring to a book, can anyone please provide a good explanation for CRTP with a code example?
5 Answers
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How can I reliably get an object's address when operator& is overloaded?
Consider the following program:
5 Answers
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Understand the “Decorator Pattern” with a real world example
I was studying the Decorator Pattern as documented in GOF .
14 Answers
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