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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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Get image data url in JavaScript?
...(except the unescaped / in the return), it does not create the same base64 string as the one I'm getting from PHP when doing base64_encode on the file obtained with file_get_contents function. The images seem very similar/the same, still the Javascripted one is smaller and I'd love them to be exactl...
How to join strings in Elixir?
How do I join two strings in a list with a space, like:
9 Answers
9
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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 ...
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 ...
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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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...
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 to trim leading and trailing white spaces of a string?
...hich is the effective way to trim the leading and trailing white spaces of string variable in Go?
7 Answers
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How can I read SMS messages from the device programmatically in Android?
...tent://sms/inbox") to read SMS which are in inbox.
// public static final String INBOX = "content://sms/inbox";
// public static final String SENT = "content://sms/sent";
// public static final String DRAFT = "content://sms/draft";
Cursor cursor = getContentResolver().query(Uri.parse("content://sms...