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Are +0 and -0 the same?
... bit integer value and a sign-bit. In this representation, the value 1000 (hex) and 0000 both are 0, but one of them is +0 and the other is -0.
This could be avoided by subtracting 1 from the integer value so it ranged from -1 to -2^16, but this would be inconvenient.
A more common approach is to...
Base64 encoding in SQL Server 2005 T-SQL
...dERhdGE="
SELECT
CAST(N'' AS XML).value(
'xs:base64Binary(xs:hexBinary(sql:column("bin")))'
, 'VARCHAR(MAX)'
) Base64Encoding
FROM (
SELECT CAST('TestData' AS VARBINARY(MAX)) AS bin
) AS bin_sql_server_temp;
-- Decode the Base64-encoded string "VGVzdERhdGE=" to get b...
Maximum and Minimum values for ints
...-in functions and operators. Unadorned integer literals (including binary, hex, and octal numbers) yield plain integers unless the value they denote is too large to be represented as a plain integer, in which case they yield a long integer. Integer literals with an 'L' or 'l' suffix yield long integ...
Why can't variable names start with numbers?
... @eaolson: I've worked with an assembler which applied that rule to hex numbers which started with A-F and ended with h. Tripped me up the first time I tried to define a label to point to the music data for Bach's Two Part Invention #13 (logical name? Bach).
– supercat...
max value of integer
...
@howlger Integer.MAX_VALUE + 1 is 0x80000000 in hex, because of the overflow (and equals to Integer.MIN_VALUE). If you convert it to unsigned (long), the sign bit will be treated like a value bit, so it will be 2147483648. Thank you for the char note. char is unsigned, y...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...通知调用者。
3、多路复用（IO/Multiplexing）：为了提高数据信息在网络通信线路中传输的效率，在一条物理通信线路上建立多条逻辑通信信道，同时传输若干路信号的技术就叫做多路复用技术。对于 Socket 来说，应该说能同时...
How to run multiple .BAT files within a .BAT file
...NORMAL | /HIGH | /REALTIME | /ABOVENORMAL | /BELOWNORMAL]
[/AFFINITY <hex affinity>] [/WAIT] [/B] [command/program]
[parameters]
Exam:
start /b aaa.bat
start /b bbb.bat
share
|
improve...
Standard Android Button with a different color
...ive you a green shaded button etc., where the first value is the colour in hex format.
It works by multiplying the current button colour value by your colour value. I'm sure there's also a lot more you can do with these modes.
...
How do you pass multiple enum values in C#?
...
No problem... I still prefer using hex for flag values like that, seems more clear to me, but each to his own.
– Matthew Scharley
Jun 23 '09 at 1:10
...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
...ation. Note that I'm not generating a UUID, instead just a random 32 bytes hex string in the most efficient way I could think of.
Implementation
import java.security.SecureRandom;
import java.util.UUID;
public class RandomUtil {
// Maxim: Copied from UUID implementation :)
private static ...