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How do I delete from multiple tables using INNER JOIN in SQL server
...ete from first detail table using join syntax
DELETE d
FROM DetailTable_1 D
INNER JOIN #DeleteIds X
ON D.MasterTableId = X.Id
-- delete from second detail table using IN clause
DELETE FROM DetailTable_2
WHERE MasterTableId IN (
SELECT X.Id
FROM #DeleteIds X
)
-- and...
How do I find the length of an array?
... there, it won't work, right? The question is why
– A_Matar
Feb 6 '15 at 18:55
5
@A_Matar - You c...
Handler vs AsyncTask vs Thread [closed]
...
actually asynctask is also based on handler and futuretask, see
– Sumit
Aug 23 '16 at 6:16
...
TransformXml task could not be loaded from Microsoft.Web.Publishing.Tasks.dll
...answered Apr 24 '19 at 12:57
vik_78vik_78
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...
How to read all files in a folder from Java?
... @NadjibMami Please have a look here: razem.io/blog/posts/year2015/0819_try_catch_lambda Was to compilcated to answer in a comment. So I wrote a quick blog post.
– Julian Pieles
Aug 19 '15 at 10:29
...
cartesian product in pandas
...
Use pd.MultiIndex.from_product as an index in an otherwise empty dataframe, then reset its index, and you're done.
a = [1, 2, 3]
b = ["a", "b", "c"]
index = pd.MultiIndex.from_product([a, b], names = ["a", "b"])
pd.DataFrame(index = index).res...
Find the index of a dict within a list, by matching the dict's value
...
tom_index = next((index for (index, d) in enumerate(lst) if d["name"] == "Tom"), None)
# 1
If you need to fetch repeatedly from name, you should index them by name (using a dictionary), this way get operations would be O(1) ti...
Create a branch in Git from another branch
... newbies, this is what a --no-ff merge looks like
– A__
Oct 6 '18 at 23:01
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How can I create directories recursively? [duplicate]
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note, exist_ok=True is convenient to save having to check if it exists first every time.
– ideasman42
Jan 10 '15 at 3:57
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How to find out if an item is present in a std::vector?
...ctor>
if ( std::find(vec.begin(), vec.end(), item) != vec.end() )
do_this();
else
do_that();
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