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Remove Identity from a column in a table
We have a 5GB table (nearly 500 million rows) and we want to remove the identity property on one of the column, but when we try to do this through SSMS - it times out.
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Why does Haskell's “do nothing” function, id, consume tons of memory?
Haskell has an identity function which returns the input unchanged. The definition is simple:
1 Answer
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Check if a dialog is displayed with Espresso
I'm trying to write some tests with the new android-test-kit (Espresso) . But I can't find any information on how to check if a dialog is displayed and perform some actions on it (like clicking the positive and negative buttons, e.t.c.). Note that a dialog may be also displayed by a WebView , no...
Can I return the 'id' field after a LINQ insert?
When I enter an object into the DB with Linq-to-SQL can I get the id that I just inserted without making another db call? I am assuming this is pretty easy, I just don't know how.
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How do I select an element in jQuery by using a variable for the ID?
For example, the following selects a division with id="2":
6 Answers
6
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SQL Server 2008: How to query all databases sizes?
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with fs
as
(
select database_id, type, size * 8.0 / 1024 size
from sys.master_files
)
select
name,
(select sum(size) from fs where type = 0 and fs.database_id = db.database_id) DataFileSizeMB,
(select sum(size) from fs where type = 1 and...
Comparing mongoose _id and strings
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Mongoose uses the mongodb-native driver, which uses the custom ObjectID type. You can compare ObjectIDs with the .equals() method. With your example, results.userId.equals(AnotherMongoDocument._id). The ObjectID type also has a toString() method, if you wish to store a stringified version of t...
Android custom dropdown/popup menu
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Update: To create a popup menu in android with Kotlin refer my answer here.
To create a popup menu in android with Java:
Create a layout file activity_main.xml under res/layout directory which contains only one button.
Filename: activity_main.xml
<RelativeL...
Split column at delimiter in data frame [duplicate]
...t some more magic to make it into a data.frame.
I added a "x|y" line to avoid ambiguities:
df <- data.frame(ID=11:13, FOO=c('a|b','b|c','x|y'))
foo <- data.frame(do.call('rbind', strsplit(as.character(df$FOO),'|',fixed=TRUE)))
Or, if you want to replace the columns in the existing data.fram...
Approximate cost to access various caches and main memory?
..., does not cache the metric display when changing the year. In Firefox, at least, they render too slowly for dragging across the years to be smooth : /
– John Glassmyer
Dec 13 '16 at 19:42
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