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How to report an error from a SQL Server user-defined function
...T to throw meaningful error:
create function dbo.throwError()
returns nvarchar(max)
as
begin
return cast('Error happened here.' as int);
end
Then Sql Server will show some help information:
Msg 245, Level 16, State 1, Line 1
Conversion failed when converting the varchar value 'Error happened...
Java: Difference between PrintStream and PrintWriter
...cters.
If an OutputStream deals with bytes, what about PrintStream.print(String)? It converts chars to bytes using the default platform encoding. Using the default encoding is generally a bad thing since it can lead to bugs when moving from one platform to another, especially if you are generating...
Method to Add new or update existing item in Dictionary
...work fine in multi-threaded context. It however is not thread-safe without extra synchronization.
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uint8_t can't be printed with cout
...
It doesn't really print a blank, but most probably the ASCII character with value 5, which is non-printable (or invisible). There's a number of invisible ASCII character codes, most of them below value 32, which is the blank actually.
You have to convert aa to unsigned int to output t...
Convert string with comma to integer
...
@Abhinay Regarding your bench marks: sample size? String size?
– Michael Kohl
Sep 19 '14 at 18:36
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RE error: illegal byte sequence on Mac OS X
I'm trying to replace a string in a Makefile on Mac OS X for cross-compiling to iOS. The string has embedded double quotes. The command is:
...
Reading and writing binary file
.... I have the following code, but the buffer only stores a couple of ASCII characters from the first line in the file and nothing else.
...
Random hash in Python
...ier that has the same length as a md5 sum. Hex will represent is as an hex string instead of returning a uuid object.
http://docs.python.org/2/library/uuid.html
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Using scanf() in C++ programs is faster than using cin?
...ough streams provide a lot of type safety, and do not have to parse format strings at runtime, it usually has an advantage of not requiring excessive memory allocations (this depends on your compiler and runtime). That said, unless performance is your only end goal and you are in the critical path t...
Is sizeof(bool) defined in the C++ language standard?
...ndard puts notable emphasis on this fact.
§5.3.3/1, abridged:
sizeof(char), sizeof(signed char) and sizeof(unsigned char) are 1; the result of sizeof applied to any other fundamental type is implementation-defined. [Note: in particular, sizeof(bool) and sizeof(wchar_t) are implementation-defin...