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Group a list of objects by an attribute : Java
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In Java 8:
Map<String, List<Student>> studlistGrouped =
studlist.stream().collect(Collectors.groupingBy(w -> w.stud_location));
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Is string in array?
What would be the best way to look in a string[] to see if it contains a element. This was my first shot at it. But perhaps there is something that I am overlooking. The array size will be no larger than 200 elements.
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How to pad zeroes to a string?
What is a Pythonic way to pad a numeric string with zeroes to the left, i.e. so the numeric string has a specific length?
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Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
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Use example :
echo time_elapsed_string('2013-05-01 00:22:35');
echo time_elapsed_string('@1367367755'); # timestamp input
echo time_elapsed_string('2013-05-01 00:22:35', true);
Input can be any supported date and time format.
Output :
4 months ago
4 mon...
How to convert PascalCase to pascal_case?
...Load' => 'pdf_load',
'startMIDDLELast' => 'start_middle_last',
'AString' => 'a_string',
'Some4Numbers234' => 'some4_numbers234',
'TEST123String' => 'test123_string',
);
foreach ($tests as $test => $result) {
$output = from_camel_case($test);
if ($output === $result) {
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Convert object string to JSON
How can I convert a string that describes an object into a JSON string using JavaScript (or jQuery)?
20 Answers
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How should I cast in VB.NET?
...re all slightly different, and generally have an acceptable usage.
var.ToString() is going to give you the string representation of an object, regardless of what type it is. Use this if var is not a string already.
CStr(var) is the VB string cast operator. I'm not a VB guy, so I would suggest av...
Converting a String to DateTime
How do you convert a string such as 2009-05-08 14:40:52,531 into a DateTime ?
17 Answers
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Converting String array to java.util.List
How do I convert a String array to a java.util.List ?
6 Answers
6
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How to sort a list of strings numerically?
...ction of Python was weird. I have a list of "numbers" that are actually in string form, so I first convert them to ints, then attempt a sort.
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