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How to get distinct values for non-key column fields in Laravel?
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I have a table "messages" (used for a chat), and I want to get the latest message that the authenticated user has received from each conversation. Using groupBy I can get just one message, but I get the first, and I need the last message. Seems that orderBy doesn't work...
How can I share code between Node.js and the browser?
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Don't forget that the string representation of a JavaScript function represents the source code for that function. You could simply write your functions and constructors in an encapsulated way so they can be toString()'d and sent to the client.
A...
MySQL case insensitive select
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@user1961753: Read again: "For binary strings (varbinary, blob)... will be case sensitive".
– Marc B
Aug 20 '14 at 14:40
1
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Can an Android Toast be longer than Toast.LENGTH_LONG?
...dget.TextView;
public final class ToastHelper {
private static final String TAG = ToastHelper.class.getName();
public static interface OnShowListener {
public void onShow(ToastHelper toast);
}
public static interface OnDismissListener {
public void onDismiss(Toast...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...(out y))
y = 10;
return y;
}
static void Main(string[] args)
{
var result = N(new EvilBool());
// Prints 3!
Console.WriteLine(result);
}
}
class EvilBool
{
private bool value;
public static bool operator true(EvilBool b)
{
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Displaying files (e.g. images) stored in Google Drive on a website
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A workaround is to get the fileId with Google Drive SDK API and then using this Url:
https://drive.google.com/uc?export=view&id={fileId}
That will be a permanent link to your file in Google Drive (image or anything else).
Note: this link seems to be subject to quotas. So not ...
How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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Easy way to fill the missing values:-
filling string columns: when string columns have missing values and NaN values.
df['string column name'].fillna(df['string column name'].mode().values[0], inplace = True)
filling numeric columns: when the numeric columns have miss...
Convert UTC datetime string to local datetime
I've never had to convert time to and from UTC. Recently had a request to have my app be timezone aware, and I've been running myself in circles. Lots of information on converting local time to UTC, which I found fairly elementary (maybe I'm doing that wrong as well), but I can not find any informat...
rails 3 validation on uniqueness on multiple attributes
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you can still do it the rails 2 way, and I find that more readable unless you're doing several types of validation on the same property.
– zem
Jul 3 '11 at 23:29
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
...x isn't quite right: you need to list the fields in order before the INTO, and the corresponding target variables after:
SELECT Id, dateCreated
INTO iId, dCreate
FROM products
WHERE pName = iName
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