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Get the new record primary key ID from MySQL insert query?
... document (Code, Title, Body)
VALUES (
sha1( concat (convert ( now() , char), ' ', getAutoincrementalNextval ('document') ) ),
'Title',
'Body'
);
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How do you check if a certain index exists in a table?
... select like this:
SELECT *
FROM sys.indexes
WHERE name='YourIndexName' AND object_id = OBJECT_ID('Schema.YourTableName')
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Python (and Python C API): __new__ versus __init__
...stion I'm about to ask seems to be a duplicate of Python's use of __new__ and __init__? , but regardless, it's still unclear to me exactly what the practical difference between __new__ and __init__ is.
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OnItemCLickListener not working in listview
...then OnItemClickListener won't work.
The row item must have a param like
android:descendantFocusability = "blocksDescendants".
Here you can see an example of how your list item should look like.
Your list item xml should be...
row_item.xml (your_xml_file.xml)
<LinearLayout xmlns:android="http...
Razor view engine, how to enter preprocessor(#if debug)
...see the es6-errors while developing) and in release I want to use the auto-converted non-es6-javascript (cuz IE11 doesn't know es6). this is a great solution for me.
– Matthias Burger
Sep 13 '19 at 7:52
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In SQL, how can you “group by” in ranges?
... as [number of occurences]
from (
select case
when score between 0 and 9 then ' 0- 9'
when score between 10 and 19 then '10-19'
else '20-99' end as range
from scores) t
group by t.range
or
select t.range as [score range], count(*) as [number of occurrences]
from (
select use...
How to go back to previous page if back button is pressed in WebView?
...bView:
private WebView mWebView;
Initialize it in the onCreate() method and you should be good to go.
mWebView = (WebView) findViewById(R.id.webView);
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Is there a way to instantiate a class by name in Java?
...ng its name. Is there a way to do it in Java? I will have the package name and class name and I need to be able to create an object having that particular name.
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How can I create a simple message box in Python?
...
You could use an import and single line code like this:
import ctypes # An included library with Python install.
ctypes.windll.user32.MessageBoxW(0, "Your text", "Your title", 1)
Or define a function (Mbox) like so:
import ctypes # An inclu...
How do I check (at runtime) if one class is a subclass of another?
Let's say that I have a class Suit and four subclasses of suit: Heart, Spade, Diamond, Club.
9 Answers
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