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PostgreSQL query to list all table names?
...l databases
SELECT table_schema,table_name FROM information_schema.tables
ORDER BY table_schema,table_name;
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How to do INSERT into a table records extracted from another table
...ctually if no. of columns and their types are same and those exits in same order in the tables then you can simply say, INSERT INTO Table2 SELECT * FROM table1;
– sactiw
Dec 21 '15 at 17:23
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To underscore or to not to underscore, that is the question
...n underscore.
By default, StyleCop disallows the use of underscores, m_, etc., to mark local class fields, in favor of the ‘this.’ prefix. The advantage of using ‘this.’ is that it applies equally to all element types including methods, properties, etc., and not just fields, making all cal...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
...编写无锁数据结构的准则… 197
7.3.1 准则：使用std::memory_order_seq_cst做原型设计… 197
7.3.2 准则：使用无锁内存回收利用策略… 197
7.3.3 准则：当心ABA问题… 198
7.3.4 准则：识别忙则等待的循环以及帮助别的线程… 198
7.4 小结… ...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...HandlerSocket的潜力。
注：apt包管理下的配置文件一般是/etc/mysql/my.cnf，否则一般是/etc/my.cnf
最后登陆MySQL并激活HandlerSocket插件：
mysql> INSTALL PLUGIN handlersocket soname 'handlersocket.so';
重启一下MySQL服务，如果没有问题，就能在MySQL里...
How many bytes does one Unicode character take?
.... Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the size of of their codeunits. UTF-32 is the simplest encoding, it has a codeunit that is 32bits, which means an individual codepoint fits comfortably into a codeunit. The other encodin...
Where to use EJB 3.1 and CDI?
... to the container who will send the call through interceptors, decorators, etc. as well as take care of any transaction or security checks. Once all that is done, the call finally goes to the real object and the result is passed back through the proxy to the caller.
The difference only comes in ho...
www-data permissions?
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Convert Decimal to Double
...cimal and double, it is an explicit conversion that you need to specify in order for it to work.
Secondly, TrackBar.Value is an integer value and dividing an int by an int results in an int no matter what type of variable you assign it to. In this case there is an implicit cast from int to decimal o...
How to “set a breakpoint in malloc_error_break to debug”
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