This article mainly summarizes some related knowledge from the official Oracle 11g Data guard concepts and administration and other documents to help you understand the architecture of Data guard.
RAC 11.2 architecture (iii)
first, the basic knowledge of this section1. Progressive reading of files for in open ('E:\Demo\python\json.txt'): Print Line2. Parsing JSON stringsThere are built-in modules in Python that make it very easy to convert a JSON string into a
Input function Tips
Now let's look at some of the more magical properties of the function, including the method of using the variable number of arguments, the method that allows the function to modify the incoming variable, and the legal side that
Android time acquisition and use, android Time AcquisitionWhen compiling an Android network program, you will inevitably encounter inaccurate mobile phone time. This article summarizes some common time acquisition and Correction Methods: for
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The Knowledge Atlas of this section refers to the Atlas of programming language knowledge-time and date.
This article JavaScript time and date processing combat: You must be trapped from the author's
: This article mainly introduces how php solves the problem of server time in the United States. if you are interested in PHP tutorials, please refer to it. The speed of foreign servers is good, and there is no need to file records or anything.
My server Beijing time, PHP call time: Date.timezone = "America/chicago" This is a time in the United States side, sometimes with Beijing 13 hours, sometimes with Beijing time difference of 14 hours, so very difficult to deal with,Now the PHP
Foreign servers, speed can also, do not record anything, but these two days to find a problem, the call output time is not very right, are used in the United States time, this is a problem, such as today is April 2, but the page is displayed on
Date arithmetic is often used in writing code. Most of the time, for convenience, it is possible to simply add and subtract a timestamp:
$time = mktime (0, 0, 0, 8, _hour_later); $one = Date (' y-m-d h:i:s ', $time + 3600);
This is a simple code
Is it difficult to do things in the world? For this, it is easy for those who are difficult to do so, and those who are not are also difficult.There's no genius. We are all ordinary people. Some diligent, some lazy. Some of them are less effective
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