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configure: error: C compiler cannot create executables
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15 Answers
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Spring MVC: How to perform validation?
...User :
public class User {
private String name;
...
}
Method 1 : If you have Spring 3.x+ and simple validation to do, use javax.validation.constraints annotations (also known as JSR-303 annotations).
public class User {
@NotNull
private String name;
...
}
You will nee...
Is there a python equivalent of Ruby's 'rvm'?
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edited Feb 16 '16 at 11:28
answered May 11 '10 at 16:27
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Java 8 Stream and operation on arrays
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edited May 23 '17 at 12:18
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answered Jun 24 '14 at 15:57
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Why is the Fibonacci series used in agile planning poker? [closed]
...ers of the team are supposed to estimate the size of a user story as being 1, 2, 3, 5, 8, 13, ... . So the estimated values should resemble the Fibonacci series. But I wonder, why?
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Why does sys.exit() not exit when called inside a thread in Python?
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71
sys.exit() raises the SystemExit exception, as does thread.exit(). So, when sys.exit() raises th...
How to get all groups that a user is a member of?
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answered Mar 22 '13 at 12:14
kstrausskstrauss
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Iterate over model instance field names and values in template
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173
model._meta.get_all_field_names() will give you all the model's field names, then you can use ...
Adjusting Eclipse console size
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194
In Window > Preferences > Run/Debug > Console, there's a checkbox "Limit console outp...
How to declare a variable in MySQL?
...You can initialize a variable using SET or SELECT statement:
SET @start = 1, @finish = 10;
or
SELECT @start := 1, @finish := 10;
SELECT * FROM places WHERE place BETWEEN @start AND @finish;
User variables can be assigned a value from a limited set of data
types: integer, decimal, floatin...