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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...request method (surprise).
$_POST contains any post data.
It's possible for a POST request to contain no POST data.
I check the request method — I actually never thought about testing the $_POST array. I check the required post fields, though. So an empty post request would give the user a lot ...
When to use in vs ref vs out
Someone asked me the other day when they should use the parameter keyword out instead of ref . While I (I think) understand the difference between the ref and out keywords (that has been asked before ) and the best explanation seems to be that ref == in and out , what are some (hypothet...
How do I control how Emacs makes backup files?
...hat's confusing and awful. How can I either eliminate these backup files, or have them go somewhere other than the same directory?
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JavaScript: client-side vs. server-side validation
Which is better to do client side or server side validation?
13 Answers
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Java synchronized static methods: lock on object or class
...Since a static method has no associated object, will the synchronized keyword lock on the class, instead of the object?
Yes. :)
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How to maintain a Unique List in Java?
...o from the JAVADoc:
A collection that contains no duplicate elements. More formally, sets contain no pair of elements e1 and e2 such that e1.equals(e2), and at most one null element. As implied by its name, this interface models the mathematical set abstraction.
Note: Great care must be exe...
Using an RDBMS as event sourcing storage
If I were using an RDBMS (e.g. SQL Server) to store event sourcing data, what might the schema look like?
6 Answers
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Why isn't there a Guid.IsNullOrEmpty() method
This keeps me wondering why Guid in .NET does not have IsNullOrEmpty() method (where empty means all zeros)
6 Answers
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mongo - couldn't connect to server 127.0.0.1:27017
...rom riak and redis where I never had an issue with this services starting, or to interact.
38 Answers
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Can a shell script set environment variables of the calling shell? [duplicate]
...ronment are lost. Sourcing a script file is the most commonly used method for configuring a shell environment, you may just want to bite the bullet and maintain one for each of the two flavors of shell.
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