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Generating a random & unique 8 character string using MySQL
...yVolk's or @GordonLinoff's approach, but with a seeded RAND:
e.g. Assumin id is an AUTO_INCREMENT column:
INSERT INTO vehicles VALUES (blah); -- leaving out the number plate
SELECT @lid:=LAST_INSERT_ID();
UPDATE vehicles SET numberplate=concat(
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', ...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
If cee157 can refer to 2 different commit IDs, such as
2 Answers
2
...
using data-* attribute with thymeleaf
...ues.
For your scenario, this should do the job:
<div th:attr="data-el_id=${element.getId()}">
XML rules do not allow you to set an attribute twice in a tag, so you can't have more than one th:attr in the same element.
Note: If you want more that one attribute, separate the different attr...
One-liner to take some properties from object in ES 6
...
Here's something slimmer, although it doesn't avoid repeating the list of fields. It uses "parameter destructuring" to avoid the need for the v parameter.
({id, title}) => ({id, title})
(See a runnable example in this other answer).
@EthanBrown's solution is more gen...
How to find out which view is focused?
I need to find out if any view is focused inside an Activity and what view it is. How to do this?
6 Answers
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NSURLRequest setting the HTTP header
...P header for a request. In the documentation for the NSURLRequest class I didn't find anything regarding the HTTP header. How can I set the HTTP header to contain custom data?
...
Inserting a Python datetime.datetime object into MySQL
... = datetime.datetime(2009, 5, 5)
cursor.execute("INSERT INTO table (name, id, datecolumn) VALUES (%s, %s, '%s')",
("name", 4, now))
With regards to the format, I had success with the above command (which includes the milliseconds) and with:
now.strftime('%Y-%m-%d %H:%M:%S')
Hope...
How to set timer in android?
...essary.
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Handler.Callback;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
pub...
How to get Spinner value?
In Android, I am trying to get the selected Spinner value with a listener.
7 Answers
7...
How to get package name from anywhere?
...
An idea is to have a static variable in your main activity, instantiated to be the package name. Then just reference that variable.
You will have to initialize it in the main activity's onCreate() method:
Global to the class:...