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How to call a stored procedure from Java and JPA
...s (
postId IN NUMBER,
commentCount OUT NUMBER )
AS
BEGIN
SELECT COUNT(*) INTO commentCount
FROM post_comment
WHERE post_id = postId;
END;
You can call it from JPA as follows:
StoredProcedureQuery query = entityManager
.createStoredProcedureQuery("count_comments"...
Difference between string and text in rails?
... load varchar in one go, but store text (and blob) outside of the table. A SELECT name, amount FROM products could, be a lot slower when using text for name than when you use varchar. And since Rails, by default loads records with SELECT * FROM... your text-columns will be loaded. This will probably...
Can't escape the backslash with regex?
...e, in Python:
re.compile(r'\\')
The r in front of the quotes makes it a raw string which doesn't parse backslash escapes.
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Iterating through a JSON object
...
Your loading of the JSON data is a little fragile. Instead of:
json_raw= raw.readlines()
json_object = json.loads(json_raw[0])
you should really just do:
json_object = json.load(raw)
You shouldn't think of what you get as a "JSON object". What you have is a list. The list contains two di...
How to generate a create table script for an existing table in phpmyadmin?
...o view full query
There is this Hyperlink named +Options left above, There select Full Texts
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How do I write unencoded Json to my View using Razor?
...
You do:
@Html.Raw(Json.Encode(Model.PotentialAttendees))
In releases earlier than Beta 2 you did it like:
@(new HtmlString(Json.Encode(Model.PotentialAttendees)))
...
Link latest file on Bitbucket Git repository
...rl (this seems to work):
https://bitbucket.org/wordless/thofu-interpreter/raw/master/ThoFu%20Interpreter/ReadMe.txt
Another idea is to create a wiki page for your project, then use the wiki's functionality to link to the latest version of a file with this syntax:
<<file path/to/file [revis...
LINQ Single vs First
...if it finds more than one record matching the criteria.
First will always select the first record from the list. If the query returns just 1 record, you can go with First().
Both will throw an InvalidOperationException exception if the collection is empty.
Alternatively you can use SingleOrDefau...
What are the dark corners of Vim your mom never told you about? [closed]
....
viwy or viwc. Yank or change current word. Hit w multiple times to keep selecting each subsequent word, use b to move backwards
vi{ - select all text in figure brackets. va{ - select all text including {}s
vi(p - highlight everything inside the ()s and replace with the pasted text
b and e move...
How to get a resource id with a known resource name?
I want to access a resource like a String or a Drawable by its name and not its int id.
10 Answers
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