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How can I convert string to datetime with format specification in JavaScript?
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Use new Date(dateString) if your string is compatible with Date.parse(). If your format is incompatible (I think it is), you have to parse the string yourself (should be easy with regular expressions) and create a new Date object...
Rails: select unique values from a column
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I did a: group(:rating).collect { |r| r.rating } Since map == collect, where can I read about this sintax you used (&:rating)? I don't see this in Ruby's documentation.
– alexandrecosta
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A regex to match a substring that isn't followed by a certain other substring
... update to your question to make it specific.
/(?=.*foo(?!bar))^(\w+)$/
New tests
fooshouldbarpass # pass
butnotfoobarfail # fail
fooshouldpassevenwithfoobar # pass
nofuuhere # fail
New explanation
(?=.*foo(?!bar)) ensures a foo is found but...
Singleton by Jon Skeet clarification
... sealed class Singleton
{
private static readonly Singleton instance = new Singleton();
public static Singleton Instance { get { return instance; } }
static Singleton() {}
private Singleton() {}
}
share
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JUnit 4 compare Sets
...<String> setB;
@Before
public void setUp() {
setA = new HashSet<String>();
setA.add("Testing...");
setB = new HashSet<String>();
setB.add("Testing...");
}
@Test
public void testEqualSets() {
assertEquals( setA, setB );
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How to convert java.sql.timestamp to LocalDate (java8) java.time?
...ne like ZoneOffset.UTC
The general approach should be
Break free to the new java8 date classes using a class that is directly related, e.g. in our case java.time.Instant is directly related to java.sql.Timestamp, i.e. no timezone conversions are needed between them.
Use the well-designed methods ...
How can I click a button behind a transparent UIView?
...nside that subview. We are only using the subview to take advantage of the new frame ( x=0, y=0 inside the subview is actually 100,100 in the parent view).
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How to make gradient background in android
...radient(View v) {
final View view = v;
Drawable[] layers = new Drawable[1];
ShapeDrawable.ShaderFactory sf = new ShapeDrawable.ShaderFactory() {
@Override
public Shader resize(int width, int height) {
LinearGradient lg = new LinearGrad...
jQuery map vs. each
...terator, but is really meant to manipulate the supplied array and return a new array.
Another important thing to note is that the each function returns the original array while the map function returns a new array. If you overuse the return value of the map function you can potentially waste a lo...
Aligning rotated xticklabels with their respective xticks
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
...