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How to Store Historical Data
...ample in this case called 'WIDGET_ID', this is the FK to the Master record
START_DATETIME - timestamp indicating the start of that database row
END_DATETIME - timestamp indicating the end of that database row
STATUS_CONTROL - single char column indicated status of the row. 'C' indicates current, NUL...
创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...视图如“create materialized view mv_tablename refresh fast on demand start with sysdate next sysdate+1/288 as select * from T_tablename@dblink_name;”。
现在，数据库A上此表的主键约束因主键字段值重复而被disable了，在第三个数据库C上新建这个物化视图却...
Step-by-step debugging with IPython
...
You can also start the program with ipython --pdb file.py -- args and are dropped to ipdb upon an exception. Might be worth adding to the answer.
– sebastian
Mar 20 '19 at 15:07
...
What does it mean to start a PHP function with an ampersand?
...tps%3a%2f%2fstackoverflow.com%2fquestions%2f1676897%2fwhat-does-it-mean-to-start-a-php-function-with-an-ampersand%23new-answer', 'question_page');
}
);
Post as a guest
...
Should you declare methods using overloads or optional parameters in C# 4.0?
...t to in the method signature. I'd rather look at:
public Rectangle (Point start = Point.Zero, int width, int height)
{
Start = start;
Width = width;
Height = height;
}
Instead of this:
public Rectangle (Point start, int width, int height)
{
Start = start;
Width = width;
H...
How can I merge two commits into one if I already started rebase?
...for the first commit to squash into.
The Fix
First get back to where you started with
$ git rebase --abort
Say your history is
$ git log --pretty=oneline
a931ac7c808e2471b22b5bd20f0cad046b1c5d0d c
b76d157d507e819d7511132bdb5a80dd421d854f b
df239176e1a2ffac927d8b496ea00d5488481db5 a
That is, ...
How to pass data from 2nd activity to 1st activity when pressed back? - android
...
Start Activity2 with startActivityForResult and use setResult method for sending data back from Activity2 to Activity1. In Activity1 you will need to override onActivityResult for updating TextView with EditText data from Act...
wildcard * in CSS for classes
...u can add any attribute of the specified element.
[class^="tocolor-"] — starts with "tocolor-".
[class*=" tocolor-"] — contains the substring "tocolor-" occurring directly after a space character.
Demo: http://jsfiddle.net/K3693/1/
More information on CSS attribute selectors, you can find her...
How to insert text into the textarea at the current cursor position?
...xt = myValue;
}
//MOZILLA and others
else if (myField.selectionStart || myField.selectionStart == '0') {
var startPos = myField.selectionStart;
var endPos = myField.selectionEnd;
myField.value = myField.value.substring(0, startPos)
+ myValue
...
How to properly reuse connection to Mongodb across NodeJs application and modules
...cross whole NodeJs app. As I understand connection should be open when app starts and reused between modules. My current idea of the best way is that server.js (main file where everything starts) connects to database and creates object variable that is passed to modules. Once connected this variab...