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Spring JPA @Query with LIKE
...findUsersWithPartOfName(@Param("username") String username);
Notice: The table name in JPQL must start with a capital letter.
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How to count instances of character in SQL Column
...LESCE(NULLIF(LEN(@StringToFind), 0), 1) --protect division from zero
FROM [Table To Search]
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What's the difference between `on` and `live` or `bind`?
...p imbrication (<body><div><div><div><div><table><table><tbody><tr><td><div><div><div><ul><li><button> etc etc etc...)
So, bind, like click, like other shortcut event binders attach directly to the event ...
Create the perfect JPA entity [closed]
...to create entities I find myself struggling with issues as AccessType, immutable properties, equals/hashCode, ... .
So I decided to try and find out the general best practice for each issue and write this down for personal use.
I would not mind however for anyone to comment on it or to tell me w...
Tactics for using PHP in a high-load site
...lize your schemas. This means that rather than to have multiple relational tables, you should instead opt to have one big table. In general, joins are a waste of precious DB resources because doing multiple prepares and collation burns disk I/O's. Avoid them when you can.
The trade-off here is ...
AWS MySQL RDS vs AWS DynamoDB [closed]
I've been using MySQL for a fair while now and I'm comfortable with its structure & SQL Queries etc.
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Pandas: drop a level from a multi-level column index?
...unction does not work. Work through several and learn that ‘a’ in your table is columns name and ‘b’, ‘c’ are index. Do like this will help
df.columns.name = None
df.reset_index() #make index become label
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Common MySQL fields and their appropriate data types
...e specific - and storage is not the only cost. Sorting data and temporary tables (memory engine) will use the fixed amount.
– Morgan Tocker
Sep 17 '10 at 15:34
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How can I remove the search bar and footer added by the jQuery DataTables plugin?
I am using jQuery DataTables .
18 Answers
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What does && mean in void *p = &&abc;
... that address points to a instruction within the .text section of the executable. The .text section is the one which holds you program's (binary) code to be executed.
You can inspect this with:
objdump -x a.out
A practical example
As described in GCC, you can use this to initialize a jump table. S...