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How to use the toString method in Java?
Can anybody explain to me the concept of the toString() method, defined in the Object class? How is it used, and what is its purpose?
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Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...racter (Zulu or zero offset) at the end of UTC datetime object's isoformat string unlike JavaScript?
12 Answers
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Implementing INotifyPropertyChanged - does a better way exist?
...EventHandler PropertyChanged;
protected virtual void OnPropertyChanged(string propertyName)
{
PropertyChangedEventHandler handler = PropertyChanged;
if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
}
protected bool SetField<T>(ref ...
How to add a custom loglevel to Python's logging facility
...thout *? If I do that, I get TypeError: not all arguments converted during string formatting but it works fine with *. (Python 3.4.3). Is it a python version issue, or something I'm missing?
– Peter
Apr 16 '17 at 20:10
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Regexp Java for password validation
...[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
^ # start-of-string
(?=.*[0-9]) # a digit must occur at least once
(?=.*[a-z]) # a lower case letter must occur at least once
(?=.*[A-Z]) # an upper case letter must occur at least once
(?=.*[@#$%^&+=]) # a special ...
Compare if BigDecimal is greater than zero
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The obj holds numaric string, In the accepted answer the value is not declared, might be confusing. My answer will have more clarity.
– Rama Krishna
Feb 19 '18 at 11:43
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How to create a GUID/UUID in Python
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Well, as you can see above, str(uuid4()) returns a string representation of the UUID with the dashes included, while uuid4().hex returns "The UUID as a 32-character hexadecimal string"
– stuartd
Jan 30 '18 at 10:08
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How can I pad an int with leading zeros when using cout
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but.. how can I write formatted output to a string (char* or char[]) not to console directly. Actually I am writing a function that returns formatted string
– shashwat
Dec 23 '12 at 9:32
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List all developers on a project in Git
...roject statistics for a Git repository: https://github.com/visionmedia/git-extras
Check out the bin catalog to see the the different scripts.
For example, the git-count script (commit count per committer):
git shortlog -n $@ | grep "):" | sed 's|:||'
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org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
...lution for exactly this problem, and adding @ElementCollection(targetClass=String.class) to my simple list of strings solved it.
– Angel O'Sphere
Jul 26 '19 at 10:50
add a com...