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Splitting string into multiple rows in Oracle
...roach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
13 Answers
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Normalizing mousewheel speed across browsers
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...#define _MESSAGE_BUF_INCLUDE_
#include <pthread.h>
#define MESSAGE_COUNT 16
#define MESSAGE_LENGTH 2048
class MessageBuffer{
private:
pthread_mutex_t mutex;//访问缓冲的互斥量
pthread_cond_t condition;//访问缓冲区的条件变量
//消息缓冲区，循环队列
char buf[...
pandas GroupBy columns with NaN (missing) values
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138
This is mentioned in the Missing Data section of the docs:
NA groups in GroupBy are automatic...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
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How can I map True/False to 1/0 in a Pandas DataFrame?
...me that has boolean True/False values, but for further calculations I need 1/0 representation. Is there a quick pandas/numpy way to do that?
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Associativity of “in” in Python?
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123
1 in [] in 'a' is evaluated as (1 in []) and ([] in 'a').
Since the first condition (1 in []...
How to shorten my conditional statements
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15 Answers
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How to update SQLAlchemy row entry?
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137
user.no_of_logins += 1
session.commit()
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Java synchronized static methods: lock on object or class
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129
Since a static method has no associated object, will the synchronized keyword lock on the ...