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Add a duration to a moment (moment.js)
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answered Jun 27 '13 at 4:13
Matt Johnson-PintMatt Johnson-Pint
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
... into how these constraints are defined and carried out (I'm using version 4.1):
The @NotNull constraint is defined as:
@Constraint(validatedBy = {NotNullValidator.class})
This class has an isValid method defined as:
public boolean isValid(Object object, ConstraintValidatorContext constr...
Skip a submodule during a Maven build
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149
Sure, this can be done using profiles. You can do something like the following in your parent ...
Best way to replace multiple characters in a string?
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460
Replacing two characters
I timed all the methods in the current answers along with one extra....
Convert columns to string in Pandas
...refore your keys to strings):
In [11]: df = pd.DataFrame([['A', 2], ['A', 4], ['B', 6]])
In [12]: df.to_json()
Out[12]: '{"0":{"0":"A","1":"A","2":"B"},"1":{"0":2,"1":4,"2":6}}'
In [13]: df[0].to_json()
Out[13]: '{"0":"A","1":"A","2":"B"}'
Note: you can pass in a buffer/file to save this to, al...
How can I verify if one list is a subset of another?
...06
Boris
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answered May 16 '13 at 4:59
Yann VernierYann ...
How to add edge labels in Graphviz?
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edited Jun 27 '17 at 14:41
Martijn Pieters♦
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Get a list of distinct values in List
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342
Notes.Select(x => x.Author).Distinct();
This will return a sequence (IEnumerable<string...
Create a tar.xz in one command
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246
Use the -J compression option for xz. And remember to man tar :)
tar cfJ <archive.tar.xz>...