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How to determine day of week by passing specific date?

...e Calendar.SUNDAY), instead of going through a calendar, just reformat the string: new SimpleDateFormat("EE").format(date) (EE meaning "day of week, short version") if you have your input as string, rather than Date, you should use SimpleDateFormat to parse it: new SimpleDateFormat("dd/M/yyyy").par...
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Why does casting int to invalid enum value NOT throw exception?

...aram> /// <returns></returns> public static T Parse(string enumValue) { var parsedValue = (T)System.Enum.Parse(typeof (T), enumValue); //Require that the parsed value is defined Require.That(parsedValue.IsDefined(), () => new Argumen...
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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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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 ...
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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...
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How can I pad an int with leading zeros when using cout

... 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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How to select rows that have current day's timestamp?

... @ypercube oh i missed that but i was wondering why is the value on extra Using where; Using index? – John Woo Feb 8 '13 at 12:35 1 ...
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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 ...
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How to change the output color of echo in Linux

... It may be more convenient to insert tput's output directly into your echo strings using command substitution: echo "$(tput setaf 1)Red text $(tput setab 7)and white background$(tput sgr 0)" Example The above command produces this on Ubuntu: Foreground & background colour commands tp...
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How to create a GUID/UUID in Python

... 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 ...