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PDO get the last ID inserted
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That's because that's an SQL function, not PHP. You can use PDO::lastInsertId().
Like:
$stmt = $db->prepare("...");
$stmt->execute();
$id = $db->lastInsertId();
If you want to do it with SQL instead of the PDO API, you would do it like a normal select qu...
How to deploy correctly when using Composer's develop / production switch?
...dependencies only while being in development, so the tools will not be installed in production (on the live server). This is (in theory) very handy for scripts that only make sense in development, like tests, fake-data-tools, debugger, etc.
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Autocompletion in Vim
...ComplPop to get automatic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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MySQL indexes - what are the best practices?
I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
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How to get everything after a certain character?
...finds the offset of the underscore, then substr grabs everything from that index plus 1, onwards.
$data = "123_String";
$whatIWant = substr($data, strpos($data, "_") + 1);
echo $whatIWant;
If you also want to check if the underscore character (_) exists in your string before trying to g...
What does “hashable” mean in Python?
...ing the number with the size of the array and taking the remainder as the index.
For more detail refer to https://en.wikipedia.org/wiki/Hash_function
Here is another good reference: http://interactivepython.org/runestone/static/pythonds/SortSearch/Hashing.html
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How to submit a form with JavaScript by clicking a link?
...etElementById('form-id').submit();"> submit </a>
</form>
All ways
Whatever way you choose, you have call formObject.submit() eventually (where formObject is the DOM object of the <form> tag).
You also have to bind such an event handler, which calls formObject.submit(), so i...
Why use 'virtual' for class properties in Entity Framework model definitions?
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The virtual keyword is used to modify a method, property, indexer, or event declaration and allow for it to be overridden in a derived class. For example, this method can be overridden by any class that inherits it:
public virtual double Area()
{
return x * y;
}
You canno...
Postgres and Indexes on Foreign Keys and Primary Keys
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
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Mongodb Explain for Aggregation framework
...}
)
An important consideration with the Aggregation Framework is that an index can only be used to fetch the initial data for a pipeline (e.g. usage of $match, $sort, $geonear at the beginning of a pipeline) as well as subsequent $lookup and $graphLookup stages. Once data has been fetched into t...