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When to use a key/value store such as Redis instead/along side of a SQL database?
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I did a quick Google search with that tutorial site URL and came across this as a top hit - slideshare.net/dvirsky/introduction-to-redis-version-2
– Paul
Nov 19 '13 at 15:19
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GROUP_CONCAT comma separator - MySQL
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Query to achieve your requirment
SELECT id,GROUP_CONCAT(text SEPARATOR ' ') AS text FROM table_name group by id;
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Convert string to title case with JavaScript
...hink it is a good solution. Think of ruby open classes, it is perfectly valid to add functions to existing classes and it is widely accepted.
– marco-fiset
Sep 21 '12 at 15:31
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Flask SQLAlchemy query, specify column names
...answered Aug 21 '12 at 12:29
David McKeoneDavid McKeone
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What is the meaning of “$” sign in JavaScript
...re's nothing mysterious about the use of $ in JavaScript. $ is simply a valid JavaScript identifier.
JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-generated variables (such as $0001).
Prototype, jQuery, and most javascript libraries use ...
How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...ion statement just by putting ".to_sql" at the end. This question also provides that answer: stackoverflow.com/questions/3814738/…
– Steve Midgley
Sep 17 '14 at 5:03
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Is is possible to check if an object is already attached to a data context in Entity Framework?
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Here's what I ended up with, which works very nicely:
public static void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
where T : IEntityWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
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how to replicate pinterest.com's absolute div stacking layout [closed]
... would like the results sorted left to right. Any direction you could provide to make it myself would be greatly appreciated.
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What does the LayoutInflater attachToRoot parameter mean?
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I'm a bit confused here, @JosephEarl you said if set to true, the view is attached to 2nd parameter which is the container, but then you say fragment is automatically attached from onCreateView(), so to my understanding, third parameter is useless and should be set fa...
cartesian product in pandas
...e cartesian product on.
My use case was that I needed a list of all store IDs on for each week in my list. So, I created a list of all the weeks I wanted to have, then a list of all the store IDs I wanted to map them against.
The merge I chose left, but would be semantically the same as inner in t...