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How do I remove a submodule?
... and try to add what was a submodule as a regular directory, you would get error message like:
git add mysubmodule/file.txt
Path 'mysubmodule/file.txt' is in submodule 'mysubmodule'
Note: since Git 2.17 (Q2 2018), git submodule deinit is no longer a shell script.
It is a call to a C function.
...
What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
...during the flush, and the field does not use CascadeType.PERSIST, it is an error.
CascadeType.REMOVE: When deleting an entity, it also deletes the entities held in this field.
CascadeType.REFRESH: When refreshing an entity, also refresh the entities held in this field.
CascadeType.MERGE: When mergin...
Using Mockito's generic “any()” method
...mentMatcher in Scala? I tried import org.mockito.ArgumentMatcher.any I get error `value any is not a member of object org.mockito.ArgumentMatcher
– Manu Chadha
Mar 8 '19 at 13:30
...
How is a CRC32 checksum calculated?
... it is extremely difficult to find a polynomial that detects different bit errors effectively.
You can think of the CRC-32 as a series of "Binary Arithmetic with No Carries", or basically "XOR and shift operations". This is technically called Polynomial Arithmetic.
CRC primer, Chapter 5
To bett...
vs in Generics
...s added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/changes them, it's safe for it to treat an...
“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?
... a couple of hundred thousand or million datapoints, until your estimation error gets small enough. Just make sure that you pick randomly from your set (e.g. that you don't introduce a bias by picking the first 100'000 values). The same approach can also be used for estimating mode and median for th...
How to get the contents of a webpage in a shell variable?
...on is not accepting convert_links = on with -O- option. It is failing with error -k can be used together with -O only if outputting to a regular file.. Is it expected?
– Prasad Bonthu
Jul 17 '18 at 14:40
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How do I temporarily disable triggers in PostgreSQL?
...our looking in vain for a way to bypass "violates foreign key constraints" error in my test environment, and this is it exactly!
– Amalgovinus
Nov 5 '15 at 2:16
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instantiate a class from a variable in PHP?
...com\company\lib;
//Works fine
$i = new MyClass();
$cname = 'MyClass';
//Errors
//$i = new $cname;
//Works fine
$cname = "com\\company\\lib\\".$cname;
$i = new $cname;
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Best Practice: Access form elements by HTML id or name attribute?
...g linting, bear in mind that linting is a style guide only, and a linting "error" doesn't mean your javascript is invalid or incorrect. In this particular case, though, what the linting rule is saying is "prefer dot notation when referencing javascript object properties". That's a good idea, and I...