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What is the difference between a HashMap and a TreeMap? [duplicate]
...rted key store one another difference is with TreeMap, developer can give (String.CASE_INSENSITIVE_ORDER) with String keys, so then the comparator ignores case of key while performing comparison of keys on map access. This is not possible to give such option with HashMap - it is always case sensitiv...
Android View.getDrawingCache returns null, only null
...view that has width and height of 0 (i.e. imagine having a TextView with a string text of an empty string). In this case, getDrawingCache will return null, so just be sure to check for that. Hope that helps some people out there.
...
How to use ternary operator in razor (specifically on HTML attributes)?
...side my view to be based on some value
and that text is retrieved form App string Resources
so, this @() is the solution
<a href='#'>
@(Model.ID == 0 ? Resource_en.Back : Resource_en.Department_View_DescartChanges)
</a>
if the text is not from App string Resources use this
@(...
Can Mockito stub a method without regard to the argument?
... the mock.
Here is an example.
public class MyPojo {
public MyPojo( String someField ) {
this.someField = someField;
}
private String someField;
@Override
public boolean equals( Object o ) {
if ( this == o ) return true;
if ( o == null || getClass() !...
How do I get the time difference between two DateTime objects using C#?
...display the difference, do something like this:Console.WriteLine((a - b).ToString(@"hh\:mm\:ss")). See: MSDN Custom TimeSpan Format
– ishmael
Nov 5 '12 at 20:07
...
What does map(&:name) mean in Ruby?
...want to do things point-free style. An example is to check if there is any string in an array that is equal to the string "foo". There is the conventional way:
["bar", "baz", "foo"].any? { |str| str == "foo" }
And there is the point-free way:
["bar", "baz", "foo"].any?(&"foo".method(:==))
...
How do I check if an HTML element is empty using jQuery?
... A slightly more compressed version can take advantage of empty string's falsy-ness: if(!$.trim($("selector").html())
– Brandon Belvin
Aug 8 '13 at 15:41
...
Adding minutes to date time in PHP
...= $time->format('Y-m-d H:i');
The ISO 8601 standard for duration is a string in the form of P{y}Y{m1}M{d}DT{h}H{m2}M{s}S where the {*} parts are replaced by a number value indicating how long the duration is.
For example, P1Y2DT5S means 1 year, 2 days, and 5 seconds.
In the example above, we ...
{" was not expected.} Deserializing Twitter XML
...ot(Namespace = "www.contoso.com", ElementName = "MyGroupName", DataType = "string", IsNullable=true)]
Or specify the root attribute when de serializing at runtime.
XmlRootAttribute xRoot = new XmlRootAttribute();
xRoot.ElementName = "user";
// xRoot.Namespace = "http://www.cpandl.com";
xRoot.IsNu...
How to suppress scientific notation when printing float values?
...ate
Starting in Python 3.6, this can be simplified with the new formatted string literal, as follows:
>>> f'{a:.20f}'
'-0.00000000000000007186'
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