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What is the difference between memoization and dynamic programming?
...t (which typically recurses down to solve the sub-problems).
A good slide from here (link is now dead, slide is still good though):
If all subproblems must be solved at least once, a bottom-up dynamic-programming algorithm usually outperforms a top-down memoized algorithm by a constant facto...
How to change line width in IntelliJ (from 120 character)
...
You are without fault and a beautiful human being. From the depths of my heart and my soul, you have my undying gratitude, for now and always.
– Darth Egregious
Oct 5 '17 at 21:04
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Bold words in a string of strings.xml in Android
...t;/b> glad to see you.</string>
</resources>
And use Html.fromHtml or use spannable, check the link I posted.
Old similar question: Is it possible to have multiple styles inside a TextView?
share
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How can I send large messages with Kafka (over 15MB)?
...this is the largest size of the message that can be received by the broker from a producer.
Broker side (per topic): max.message.bytes - this is the largest size of the message the broker will allow to be appended to the topic. This size is validated pre-compression. (Defaults to broker's message.ma...
How to initialize an array's length in JavaScript?
...ray is filled afterwards, but the performance gain (if any) seem to differ from browser to browser.
jsLint does not like new Array() because the constructer is ambiguous.
new Array(4);
creates an empty array of length 4. But
new Array('4');
creates an array containing the value '4'.
Regardin...
Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
...
createdb is a command line utility which you can run from bash and not from psql.
To create a database from psql, use the create database statement like so:
create database [databasename];
Note: be sure to always end your SQL statements with ;
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Spring 3 MVC accessing HttpRequest from controller
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Doesn't doing it this way prevent the controller bean from being a singleton?
– jjmontes
Oct 30 '13 at 13:07
2
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What does auto&& tell us?
...ther an lvalue or an rvalue, your code says: Now that I've got your object from either an lvalue or rvalue expression, I want to preserve whichever valueness it originally had so I can use it most efficiently - this might invalidate it. As in:
auto&& var = some_expression_that_may_be_rvalue...
AttributeError: 'module' object has no attribute
...his error by referencing an enum which was imported in a wrong way, e.g.:
from package import MyEnumClass
# ...
# in some method:
return MyEnumClass.Member
Correct import:
from package.MyEnumClass import MyEnumClass
Hope that helps someone
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How to establish a connection pool in JDBC?
...d too much problems with DBCP under heavy load. Using C3P0 is dead simple. From the documentation:
ComboPooledDataSource cpds = new ComboPooledDataSource();
cpds.setDriverClass( "org.postgresql.Driver" ); //loads the jdbc driver
cpds.setJdbcUrl( "jdbc:postgresql://localhost/testdb" );
cpds.setUser(...