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What is the difference between UTF-8 and Unicode?
... In November 2003, UTF-8 was restricted by RFC 3629 to end at U+10FFFF, in order to match the constraints of the UTF-16 character encoding. This removed all 5- and 6-byte sequences, and about half of the 4-byte sequences."
– Mooing Duck
Mar 24 '15 at 17:14
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How to evaluate a math expression given in string form?
...described wiki.The logic of this algoritm starting from rules of operation orders. 1. operator sign | variable evaluation | function call | parenthesis (sub-expressions); 2. exponentiation; 3. multiplication, division; 4. addition, subtraction;
– Vasile Bors
J...
UTF-8: General? Bin? Unicode?
...e_ci treats (I think) all Emoji as equal. utf8mb4_unicode_520_ci gives an ordering to Emoji.
– Rick James
Jul 19 '19 at 16:18
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The provider is not compatible with the version of Oracle client
...ave a look at How to uninstall / completely remove Oracle 11g (client)? it order to get a really clean machine.
In case you have to work with 32bit and 64bit applications at the same time, follow this instruction to install both versions on one machine:
Assumptions: Oracle Home is called OraClient...
What's the difference between SoftReference and WeakReference in Java?
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In Java; order from strongest to weakest, there are: Strong, Soft, Weak and Phantom
A Strong reference is a normal reference that protects the referred object from collection by GC. i.e. Never garbage collects.
A Soft reference i...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...的Linux缺省使用Syslog，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication mes...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...的Linux缺省使用Syslog，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication mes...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...的Linux缺省使用Syslog，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication mes...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...的Linux缺省使用Syslog，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication mes...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...的Linux缺省使用Syslog，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication mes...