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How to reset sequence in postgres and fill id column with new data?
...have a table with over million rows. I need to reset sequence and reassign id column with new values (1, 2, 3, 4... etc...). Is any easy way to do that?
...
How to assign the output of a command to a Makefile variable
...tween shell and the opening parentheses and only after removing the space did my makefile output text
– peterchaula
Sep 28 '17 at 15:51
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Django filter queryset __in for *every* item in list
...(self):
return self.name
In [2]: t1 = Tag.objects.create(name='holiday')
In [3]: t2 = Tag.objects.create(name='summer')
In [4]: p = Photo.objects.create()
In [5]: p.tags.add(t1)
In [6]: p.tags.add(t2)
In [7]: p.tags.all()
Out[7]: [<Tag: holiday>, <Tag: summer>]
Using chained f...
How to change ProgressBar's progress indicator color in Android
...f my apps, so there's prob a few extra attributes, but should give you the idea. This is from the layout that has the progress bar:
<ProgressBar
android:id="@+id/ProgressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="fill_parent"
android:layout_heigh...
数据结构与本地数据库 06：把卡片迁移到 SQLite · App Inventor 2 中文网
... 本课配置
标签_标题
标签
Width=Fill parent；FontSize=24；TextColor=#183153；Text=知识卡片 · 第 6课
微数据库1
微数据库
Namespace=CardsB06
SQLite1
SQLite
DBName=cards.sqlite3
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SQL Server add auto increment primary key to existing table
...ting table which is already populated with 150000 records. I have added an Id column (which is currently null).
15 Answers
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LEFT JOIN only first row
...
If you can assume that artist IDs increment over time, then the MIN(artist_id) will be the earliest.
So try something like this (untested...)
SELECT *
FROM feeds f
LEFT JOIN artists a ON a.artist_id = (
SELECT
MIN(fa.artist_id) a_id
FR...
Convert string to number and add one
I want to turn the value I get from the id into a number and add one to it then pass the new value into the dosomething() function to use. When I tried this and the value is one I get back 11 not 2.
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updating table rows in postgres using subquery
... address=subquery.address,
partn=subquery.partn
FROM (SELECT address_id, customer, address, partn
FROM /* big hairy SQL */ ...) AS subquery
WHERE dummy.address_id=subquery.address_id;
This syntax is not standard SQL, but it is much more convenient for this type of query than standard ...
How can I define an interface for an array of objects with Typescript?
... with an indexer:
interface EnumServiceGetOrderBy {
[index: number]: { id: number; label: string; key: any };
}
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