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How to round to 2 decimals with Python?
... rounds up, and in my case I needed the value of my variable to be rounded down and not just displayed as such.
round(2.357, 2) # -> 2.36
I found the answer here: How do I round a floating point number up to a certain decimal place?
import math
v = 2.357
print(math.ceil(v*100)/100) # -> ...
Can Android Studio be used to run standard Java projects?
...t.
Add your code to the Java module you've just created.
Click on the drop down to the left of the run button. Click Edit Configurations...
In the new window, click on the plus sign at the top left of the window and select Application
A new application configuration should appear, enter in the detai...
Class vs. static method in JavaScript
...bj.func(); // <- Alert's "STATIC!!!"
Simple Javascript Class Project: https://github.com/reduardo7/sjsClass
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How to convert array to SimpleXML
...ll allow you to set attributes in XML too.
The source can be found here:
https://github.com/digitickets/lalit/blob/master/src/Array2XML.php
<?php
$books = array(
'@attributes' => array(
'type' => 'fiction'
),
'book' => array(
array(
'@attrib...
What are the differences between a clustered and a non-clustered index?
... performance when select data with fields that use the index but will slow down update and insert operations.
Because of the slower insert and update clustered indexes should be set on a field that is normally incremental ie Id or Timestamp.
SQL Server will normally only use an index if its select...
IllegalArgumentException or NullPointerException for a null parameter? [closed]
...ava 2nd Edition, Item 60: "Arguably, all erroneous method invocations boil down to an illegal argument or illegal state, but other exceptions are standardly used for certain kinds of illegal arguments and states. If a caller passes null in some parameter for which null values are prohibited, convent...
What is the optimal algorithm for the game 2048?
...s within reach!
You can try the AI for yourself. The code is available at https://github.com/nneonneo/2048-ai.
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What are the best practices for using Assembly Attributes?
...ect GlobalAssemblyInfo.cs
Expand the Add-Button by clicking on that little down-arrow on the right hand
Select "Add As Link" in the buttons drop down list
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How to make connection to Postgres via Node.js
...Postgres database.
The interface in node.js that I used can be found here https://github.com/brianc/node-postgres
var pg = require('pg');
var conString = "postgres://YourUserName:YourPassword@localhost:5432/YourDatabase";
var client = new pg.Client(conString);
client.connect();
//queries are que...
Consistency of hashCode() on a Java string
...ed you would have
many Strings hashing to the same
value, thus slowing down Hashtable
lookup. In JDK 1.2 the function has
been improved to multiply the result
so far by 31 then add the next
character in sequence. This is a
little slower, but is much better at
avoiding collisions.
S...