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Java: how can I split an ArrayList in multiple small ArrayLists?
...ist are reflected in this list, and vice-versa. The returned list supports all of the optional list operations supported by this list.
Example:
List<Integer> numbers = new ArrayList<Integer>(
Arrays.asList(5,3,1,2,9,5,0,7)
);
List<Integer> head = numbers.subList(0, 4);
List...
Prevent contenteditable adding on ENTER - Chrome
...pace: pre-wrap;
background: #EEE;
}
http://jsfiddle.net/ayiem999/HW43Q/
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What's the purpose of the LEA instruction?
...ed to support high-level languages like Pascal and C, where arrays—especially arrays of ints or small structs—are common. Consider, for example, a struct representing (x, y) coordinates:
struct Point
{
int xcoord;
int ycoord;
};
Now imagine a statement like:
int y = points[i].ycoor...
“Rate This App”-link in Google Play store app on the phone
...constant was deprecated in API level 21. As of API 21 this performs identically to FLAG_ACTIVITY_NEW_DOCUMENT which should be used instead of this.
– xnagyg
Aug 27 '15 at 12:58
2
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Basic http file downloading and saving to disk in python?
I'm new to Python and I've been going through the Q&A on this site, for an answer to my question. However, I'm a beginner and I find it difficult to understand some of the solutions. I need a very basic solution.
...
Why do some websites add “Slugs” to the end of URLs? [closed]
Many websites, including this one, add what are apparently called slugs - descriptive but as far as I can tell useless bits of text - to the end of URLs.
...
Is there a way to use PhantomJS in Python?
...e easiest way to use PhantomJS in python is via Selenium. The simplest installation method is
Install NodeJS
Using Node's package manager install phantomjs: npm -g install phantomjs-prebuilt
install selenium (in your virtualenv, if you are using that)
After installation, you may use phantom as s...
Entity Framework: There is already an open DataReader associated with this Command
I am using Entity Framework and occasionally i will get this error.
17 Answers
17
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What's better at freeing memory with PHP: unset() or $var = null
I realise the second one avoids the overhead of a function call ( update , is actually a language construct), but it would be interesting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off t...
How to make connection to Postgres via Node.js
I find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be...