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What is the difference between sql and mysql [closed]
...what universal - Selects usually look the same, Inserts, Updates, Deletes, etc. Once you get beyond the basics, the commands and abilities of your individual Databases vary, and this is where you get people who are Oracle experts, MySQL, SQL Server, etc.
Basically, MySQL is one of many books holdi...
What is attr_accessor in Ruby?
...today been learning that ruby is actually 'running' as it parses through a file and that every statement and expression is actually a method call on some object. Including attr_accessor. Very helpful.
– Will
May 25 '12 at 0:35
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Calculate difference between two datetimes in MySQL
I am storing the last login time in MySQL in, datetime -type filed. When users logs in, I want to get the difference between the last login time and the current time (which I get using NOW() ).
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What should every JavaScript programmer know? [closed]
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Not jQuery. Not YUI. Not (etc. etc.)
Frameworks may be useful, but they are often hiding the sometimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot o...
Is there a MySQL command to convert a string to lowercase?
... name value:
function ColBuilder ($field_name) {
…
While ($result = DB_fetch_array($PricesResult)) {
$result[$field_name]
}
…
}
my query being:
SELECT LOWER(itemID), … etc..
needed to be changed to:
SELECT LOWER(itemID) as itemID, … etc..
...
Database sharding vs partitioning
... use the alphabet to divide the data. A-D is instance 1, E-G is instance 2 etc. Customer data is well suited for this, but will be somewhat misrepresented in size across instances if the partitioning does not take in to account that some letters are more common than others.
Another common technique...
Using a Single Row configuration table in SQL Server database. Bad idea?
...ormation, Shipping account IDs, PayPal API keys, notification preferences, etc.
12 Answers
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Increasing nesting function calls limit
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@Pedram The correct way to copy that in a php ini file is in /etc/php5/apache2/conf.d/20-xdebug.ini, not in the normal php.ini. Just a good practice
– Enrique Quero
Feb 17 '16 at 16:45
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Recommended way of making React component/div draggable
...event handlers. I can do it the dirty way, with a global variable in my JS file, and could probably even wrap it in a nice closure interface, but I want to know if there's a way that meshes with React better.
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What to do with branch after merge
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Fix/fix-<somedescription> or
Ftr/ftr-<somedescription> or
etc.
Using Tower as my git front end, it neatly organizes all the Ftr/, Fix/, Test/ etc. into folders.
Once I am done with a branch, I rename them to Done/...-<description>.
That way they are still there (which ca...