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REST API 404: Bad URI, or Missing Resource?
... of that, you can provide a response body and/or other headers with a more meaningful error message that developers will see.
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The object cannot be deleted because it was not found in the ObjectStateManager
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It means that entity is not attached (it was not loaded by the same context instance). Try this:
protected MyEntities sqlEntities;
public virtual void Delete(TEntity entity)
{
sqlEntities.Attach(entity);
sqlEntities.De...
Why is SELECT * considered harmful?
Why is SELECT * bad practice? Wouldn't it mean less code to change if you added a new column you wanted?
15 Answers
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Find element's index in pandas Series
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416 µs ± 5.05 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
In [8]: %timeit myseries[myseries == 150].first_valid_index()
585 µs ± 32.5 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
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What does android:layout_weight mean?
I don't understand how to use this attribute. Can anyone tell me more about it?
13 Answers
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How to put more than 1000 values into an Oracle IN clause [duplicate]
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One can do that but it means Oracle sees a different query every time and that means a lot of hard parsing and that will slow things down.
– tuinstoel
Dec 31 '08 at 11:30
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CodeIgniter activerecord, retrieve last insert id?
...'t know that insert_id() granted to get ID belong to insert() before it! I mean, Is it possible to retrieve ID belong another insert() in another request?
– N.M
Jan 3 '17 at 6:07
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Can someone explain the traverse function in Haskell?
...st the same, except the constructors are called in applicative style. This means that we can have (side-)effects while rebuilding the tree. Applicative is almost the same as monads, except that effects cannot depend on previous results. In this example it means that you could not do something differ...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...941 to 46,271,740 between two rows. That generation of a new AI every time means that your range can very quickly be filled and you need to clean up. This table is only two weeks old!
– Engineer81
Jul 10 '14 at 18:21
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Exposing database IDs - security risk?
...iers even when she knows how you generate them. Security through obscurity means that if the algorithm you are using is discovered, it can be exploited. It does not refer to keeping secrets, like keys or the internal state of an RNG.
– erickson
Aug 14 '17 at 15...