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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...
How to convert boost path type to string?
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edited Feb 18 '14 at 8:41
answered Nov 14 '10 at 19:51
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How to put individual tags for a scatter plot
... as np
import matplotlib.pyplot as plt
N = 10
data = np.random.random((N, 4))
labels = ['point{0}'.format(i) for i in range(N)]
plt.subplots_adjust(bottom = 0.1)
plt.scatter(
data[:, 0], data[:, 1], marker='o', c=data[:, 2], s=data[:, 3] * 1500,
cmap=plt.get_cmap('Spectral'))
for label, x...
Using .sort with PyMongo
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answered Apr 20 '12 at 7:54
georggeorg
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How do I escape double quotes in attributes in an XML String in T-SQL?
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4 Answers
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How do I list all versions of a gem available at a remote site?
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4 Answers
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What do the different readystates in XMLHttpRequest mean, and how can I use them?
...HttpRequest has 5 readyState s, and I only use 1 of them (the last one, 4 ).
5 Answers
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How do I check for last loop iteration in Django template?
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Paolo BergantinoPaolo Bergantino
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How can I see the current value of my $PATH variable on OS X?
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