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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...
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.
...
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...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...calls, sending expensive emails, sending even more expensive sms messages, etc.). When that was done, the server happily sent the spoofed Access-Control-Allow-Origin header back to the browser.
The documentation I've read states that the Access-Control-Allow-Origin value received must match the Ori...
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 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...
Rails Model, View, Controller, and Helper: what goes where?
...king out whether they are logged in, whether they should see certain data, etc. In the end, the controller looks at requests and works out what data (Models) to show and what Views to render. If you are in doubt about whether code should go in the controller, then it probably shouldn't. Keep your co...
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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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);`
...