|Cassandra for a schemaless db, 10's of millions order tables and millions of queries per day|
| by hovergirl in Programming Languages|
I am building a database, with the following characteristics:
1) Schemaless database with a variable number of columns for each
2) Tens of millions of records and tens of columns.
3) Millions queries per day.
4) Thousands writes per
5) Queries will be filtering on several columns (not only
I am consider
|how to store millions and millions of files|
| by JustinDSN in Web Design|
I'm working on program analysis and I need to download tens of thousands
of projects from code repositories such as GitHub, Google code and
CodePlex. My question is how can I store those projects on disk with the
1. Avoid one folder to contain too many projects,
so the file system folder limit is not hit.
2. It should be easy to
add new servers/disks when there is
|How to Make Millions|
| by André Rocheleau in Computers|
Making money is tough no matter how you do it, but to make millions takes
skill and preparation. The preparation is in the learning from those who
have gone on before you to do it, and the skill is applying what works to
your own dream venture. In the course of the last year, I have had the
chance to be around and learn from millionaires and billionaires. The one
thing that is noticeable is that t
|Batch geo locate millions of IPs|
| by nipj in Development Tools & Services|
I got 2 million IP addresses and 25 million IP ranges with Start IP, End
IP and Geo-Locations stored in PostgreSQL. Is there an efficient way to
look up the geo-locations of those 2 million IPs from the 25 million
database? What I did was to compare whether an IP address falls in between
the Start IP and End IP and look up the corresponding location. However
this seems taking forever. Presumabl
|Archiving millions of 5KB records|
| by vylycyn in Databases|
I have an application that relies on a mysql database that needs to
archive raw records after they're processed.
Each records is
around 5KB of text in one field and 3 or 4 other fields.
100'000 records a week will need to be archived. The records will never be
edited and very rarely accessed.
Currently they are being added
|How to Get Millions a Week in RuneScape|
| by ms-access in Hobbies, Games & Toys|
Maybe you can never be a real-life billionaire like Bill Gates or Mark
Cuban. But if you're a RuneScape expert, you can make millions of RuneScape
gold pieces per week. And you'll only have to play for couple of hours per
day to do it.Difficulty:ChallengingInstructions Choose one skill to
develop in the game and work to build it up. It can be runecrafting,
woodcutting, wmithing, fishing or anot
|How to Get Millions of Tix in Roblox Without Hacks|
| by Anton Tupy in Internet|
Roblox is an online gaming community that allows players to build
"places" for other players to visit. Players also collect and
exchange two types of virtual currency: Robux and tickets. Though rumors of
free currency often circulate, no way exists to get Robux currency for
free. You can take several steps to build up your Robux tickets
quickly.Difficulty:Moderately EasyInstructions L
|How to Make Millions in Neopets|
| by jgood in Hobbies, Games & Toys|
Since its creation in the late 1990s, Neopets has grown to attract nearly
30 million users. You don't have to pay to play Neopets, but items such as
food, books, Neohomes and toys cost Neopoints, Neopets' official currency.
As a new user, you may find it difficult to amass Neopoints, but with
practice, you can make millions.Difficulty:ModerateInstructions Things
|How to do this Transform for millions of Rows|
| by Dennizzz in Programming Languages|
Input : Pairs of From->To Rows.
For Each From Value, pairs of reachable To values.
E.g. for 1
Obviously, one can suck out the data to a Graph structure
and run DFS scan.
|How to Calculate Millions to Billions|
| by TheStu in Hobbies, Games & Toys|
Numbers such as millions and billions are often vague descriptions of
something enormous, but both have precise values. A million is 10 to the
power of six, written as 10^6. Like gallons and the metric system, the U.S.
version of a billion is different than that used elsewhere. In Europe the
billion, literally a bi-million, is 1 million-million, or 10^12. In the
United States, it is 1 thousand-mil