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What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
...failover to offsite replicas, we use the RDS failover, otherwise promotion etc back to new master would become tricky. The offsite replicas mainly are for out-of-cloud backup DR as well as for read/write splitting for reporting environments (our application level is aware of them). HTH
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Best practices around generating OAuth tokens?
...irst token is an encrypted BLOB with username, token secret and expiration etc. The problem is that we can't revoke tokens without any record on host.
So we changed it to store everything in database and the token is simply an random number used as the key to the database. It has an username index s...
Best practices for storing postal addresses in a database (RDBMS)?
... It also has a nice set of administrative areas ( province, state, oblast, etc ) with ISO codes.
Here's the gist of the schema, copied from the module page:
country => Country (always required, 2 character ISO code)
name_line => Full name (default name entry)
first_name => First name
las...
Message Queue vs Message Bus — what are the differences?
... it allows for storing the messages (and hence using multiple subscribers) etc
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What is the use of hashCode in Java?
...ed for bucketing in Hash implementations like HashMap, HashTable, HashSet, etc.
The value received from hashCode() is used as the bucket number for storing elements of the set/map. This bucket number is the address of the element inside the set/map.
When you do contains() it will take the hash cod...
Using margin:auto to vertically-align a div
...ude these rules in an IE-specific stylesheet by using conditional comments etc.
– o.v.
Sep 15 '12 at 2:10
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Boolean Field in Oracle
...ing
values of 0/1 (because of interoperability with JDBC's getBoolean() etc.) with a check constraint
a type of CHAR (because it uses less space than NUMBER).
Their example:
create table tbool (bool char check (bool in (0,1));
insert into tbool values(0);
insert into tbool values(1);`
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How can I reliably determine the type of a variable that is declared using var at design time?
... of information about what namespace, types and methods (and constructors, etc) are in the source code of the program. Analyzing every single line of code in every method body would take way too long if you're trying to do it between keystrokes.
When the IDE needs to work out the type of a particu...
Missing XML comment for publicly visible type or member
...for most things, how they need to be worded (for properties, constructors, etc.), and GhostDoc puts those in -- even cooler: If you're in a child class, it can fill in the documentation with that from the base class as a template to work with, instead of copying it by hand -- it puts in the exceptio...
How should I ethically approach user password storage for later plaintext retrieval?
...ther to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against this practice and I do a lot of ‘extra’ programming to make password resets and administrative assistance possible without storing their actual password.
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