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MySQL - UPDATE query based on SELECT Query
...UPDATE
receipt_invoices dest,
(
SELECT
`receipt_id`,
CAST((net * 100) / 112 AS DECIMAL (11, 2)) witoutvat
FROM
receipt
WHERE CAST((net * 100) / 112 AS DECIMAL (11, 2)) != total
AND vat_percentage = 12
) src
SET
dest.price = src.witoutvat,
dest.amou...
How can I convert a zero-terminated byte array to string?
...
Just to be clear though, this is casting a sequence of bytes to something that is hopefully a valid UTF-8 string (and not say, Latin-1 etc., or some malformed UTF-8 sequence). Go will not check this for you when you cast.
– Cameron Kerr...
C libcurl get output into a string
...callback has a char* as first argument, so you could use that and omit the casting. And lastly, s->resize() actually initializes the newly allocated space. As you are about to overwrite it anyway, s->reserve() would be more efficient.
– Jeinzi
Jan 31 '19 ...
How to insert a character in a string at a certain position?
...nt't give the right result, because 12345/100 = 123 in integer and is only cast to 123.00 afterwards. ((float)12345/100) would work.
– rurouni
May 5 '11 at 13:20
...
Sorting a list using Lambda/Linq to objects
...2)=>emp1.FirstName.CompareTo(emp2.FirstName) );
The .NET framework is casting the lambda (emp1,emp2)=>int as a Comparer<Employee>.
This has the advantage of being strongly typed.
share
|
...
How to securely save username/password (local)?
...hich you need to log into first.
The account details consist of username and password, and they need to be saved locally.
It's just a matter of security, so other people using the same computer can't see everyone's personal data.
What is the best/most secure way to save this data?
...
From io.Reader to string in Go
... roughly equivalent to @Sonia's answer too (since buf.String just does the cast internally).
– djd
Mar 11 '12 at 22:07
...
What is the difference between Integer and int in Java?
...ence to an object of (class) type Integer, or to null.
Java automatically casts between the two; from Integer to int whenever the Integer object occurs as an argument to an int operator or is assigned to an int variable, or an int value is assigned to an Integer variable. This casting is called box...
Make copy of an array
...
The cast is unnecessary; a good static analyzer will warn about it. But cloning is definitely the best way to make a new copy of an array.
– erickson
Apr 26 '11 at 4:23
...
Why do we need boxing and unboxing in C#?
...ble)o;
First we have to explicitly unbox the double ((double)o) and then cast that to an int.
What is the result of the following:
double e = 2.718281828459045;
double d = e;
object o1 = d;
object o2 = e;
Console.WriteLine(d == e);
Console.WriteLine(o1 == o2);
Think about it for a second befor...