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How to make a flat list out of list of lists?
...],[4,5,6], [7], [8,9]]*99' 'list(chain.from_iterable(l))'. It runs a bit more than twice as fast as the nested list comprehension that's the fastest of the alternatives shown here.
– intuited
Oct 15 '10 at 1:21
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Difference between partition key, composite key and clustering key in Cassandra?
...ple as possible.
The primary key is a general concept to indicate one or more columns used to retrieve data from a Table.
The primary key may be SIMPLE and even declared inline:
create table stackoverflow_simple (
key text PRIMARY KEY,
data text
);
That means that it is ma...
Indent multiple lines quickly in vi
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My problem(in gVim) is that the command > indents much more than 2 blanks (I want just two blanks but > indent something like 5 blanks)
– Kamran Bigdely
Feb 28 '11 at 23:25
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“Thinking in AngularJS” if I have a jQuery background? [closed]
...ing to work well. The view is the official record. Outside of a directive (more on this below), you never, ever, never change the DOM. And directives are applied in the view, so intent is clear.
Remember: don't design, and then mark up. You must architect, and then design.
Data binding
This is by...
Database, Table and Column Naming Conventions? [closed]
... your self which it is. If the table is just a container of rows, isn't it more logical to use plural naming? You would never name a collection in code singular, then why would you name the table singular? Why the inconsistency? I hear all the arguments about how they sort and use in joins but those...
How to check if object has any properties in JavaScript?
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Searching for UUIDs in text with regex
...ve invalid version and variant characters per RFC4122. @Gajus' solution is more correct in that regard. Also, the RFC allows upper-case characters on input, so adding [A-F] would be appropriate.
– broofa
Feb 6 '13 at 18:35
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String is immutable. What exactly is the meaning? [duplicate]
...nowledge" and assigns it a reference str. Simple enough? Lets perform some more functions:
String s = str; // assigns a new reference to the same string "knowledge"
Lets see how the below statement works:
str = str.concat(" base");
This appends a string " base" to str. But wait, how is ...
How can I create a table with borders in Android?
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</LinearLayout>
Edit: An example
Edit2: Another example (with more elements: circle corners, gradients...)
I have explained this issue with more details in http://blog.intelligenia.com/2012/02/programacion-movil-en-android.html#more. It's in spanish but there are some codes and images...