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What is a covariant return type?
...s:
public class MyFoo
{
...
// Note covariant return here, method does not just return Object
public MyFoo clone()
{
// Implementation
}
}
The benefit here is that any method which holds an explicit reference to a MyFoo object will be able to invoke clone() and know (witho...
Check list of words in another string [duplicate]
...ight be important to mention that your solution (which is a good one btw.) does not behave the same as the in operator.
– poke
Jul 19 '10 at 16:07
...
Replacing a fragment with another fragment inside activity group
...o switch fragment with other.
2- How to add fragment if Fragment container does not have any fragment.
then after some R&D, I created a function which helps me in many Projects till now and I am still using this simple function.
public void switchFragment(BaseFragment baseFragment) {
try {...
How to put a new line into a wpf TextBlock control?
...ine in the data:
<data>Foo bar baz
baz bar</data>
If that does not work you might need to parse the string manually.
If you need direct XAML that's easy by the way:
<TextBlock>
Lorem <LineBreak/>
Ipsum
</TextBlock>
...
Which is a better way to check if an array has more than one element?
... (sizeof($arr)), which translated to if (sizeof($arr) == 1) - clearly that doesn't check if the array has more than one element. This answer is correct, and I see no reason to down-vote, hence my upvote.
– Alix Axel
Apr 5 '12 at 8:52
...
Bad class file magic or version
...If u using java 8 then you should upgrade to proguard 5.x coz proguard 4.x does not support java 8.
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How should one go about choosing a default TCP/IP port for a new service?
...d port because you think your app will explode in usage before it actually does. :)
– jefflunt
Aug 16 '13 at 14:38
7
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How to get memory available or used in C#
...esis, should be proc.PrivateMemorySize64 / (1024 * 1024) as multiplication does not have a priority over division.
– Laurynas Lazauskas
Jun 13 at 14:05
...
How can I format a nullable DateTime with ToString()?
... but to avoid repeating yourself you could create an extension method that does that, something like:
public static class DateTimeExtensions {
public static string ToStringOrDefault(this DateTime? source, string format, string defaultValue) {
if (source != null) {
return source.Value.T...
Filtering Pandas DataFrames on dates
...le df[(df['date'] > '2013-01-01') & (df['date'] < '2013-02-01')] does not include 2013-02-01, it will only match rows up to 2013-01-31.
– Rafael Barbosa
Jul 26 '16 at 12:57
...