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Should JAVA_HOME point to JDK or JRE?
...related to Ant, I got the following error messages after typing "ant -version"
7 Answers
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
... :$in style symbols show up a fair bit when using MongoDB so you'll end up mixing Hash styles if you use MongoDB. And, if you ever work with specific keys of Hashes (h[:k]) rather than just whole hashes (h = { ... }), you'll still have to use the colon-first style for symbols; you'll also have to us...
What is the difference between Strategy design pattern and State design pattern?
...rategy for every item on the list, but you do run across hybrids that have mixes of both. Whether a particular one is more State-y or Strategy-y is ultimately a subjective question.
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Get query from java.sql.PreparedStatement [duplicate]
...ied in the JDBC API contract, but if you're lucky, the JDBC driver in question may return the complete SQL by just calling PreparedStatement#toString(). I.e.
System.out.println(preparedStatement);
To my experience, the ones which do so are at least the PostgreSQL 8.x and MySQL 5.x JDBC drivers. F...
What's “tools:context” in Android layout files?
Starting with a recent new version of ADT, I've noticed this new attribute on the layout XML files, for example:
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Unusual shape of a textarea?
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Introduction
First, there are many solutions, proposed in other posts. I think this one is currently (in 2013) the one which can be compatible with the largest number of browsers, because it doesn't need any CSS3 properties. However,...
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...cies can be set up via setuptools etc, but it begins to get complex if you mix the two.
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Fetch the row which has the Max value for a column
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select userid,
my_date,
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max(my_date) over (partition by userid) max_my_date
from users
)
where my_date = max_my_date
"Analytic functions rock"
Edit: With regard to the first comment ...
"using analytic queries and a self-join defeats the purpose of analytic queries"
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What are the benefits of using C# vs F# or F# vs C#? [closed]
...r all the controllers, then a C# web project to get the ASPX designers. We mix the actual ASPX "code inline" between C# and F#, depending on what we need on that page. (IntelliSense versus F# types.)
Other tools. They might just be expecting C# only and not know how to deal with F# projects or comp...
When to use enumerateObjectsUsingBlock vs. for
Besides the obvious differences:
6 Answers
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