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What's the difference between interface and @interface in java?
...project this week, and using Intellij IDEA as my IDE, for a change of pace from my regular .Net development.
5 Answers
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Guid is all 0's (zeros)?
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Lessons to learn from this:
1) Guid is a value type, not a reference type.
2) Calling the default constructor new S() on any value type always gives you back the all-zero form of that value type, whatever it is. It is logically the same as...
How many constructor arguments is too many?
...va 2 say that in this case you should consider a builder. An example taken from the book:
public class NutritionFacts {
private final int servingSize;
private final int servings;
private final int calories;
private final int fat;
private final int sodium;
private fina...
Why is using onClick() in HTML a bad practice?
...turn false;
});
The advantages are
behaviour (Javascript) is separated from presentation (HTML)
no mixing of languages
you're using a javascript framework like jQuery that can handle most cross-browser issues for you
You can add behaviour to a lot of HTML elements at once without code duplicatio...
Constructor overload in TypeScript
...{
return new Date().getFullYear() - birthday;
}
class Person {
static fromData(data: PersonData): Person {
const { first, last, birthday, gender = 'M' } = data;
return new this(
`${last}, ${first}`,
calculateAge(birthday),
gender,
);
}
constructor(
public ...
When would you use .git/info/exclude instead of .gitignore to exclude files?
...ln file already in your repo? Then exclude or .ignore will not prevent git from tracking it's changes. Try one of the following: git rm --cached <path-name> will delete it from the repository, but keep it locally. git update-index --skip-worktree <path-name> will ignore changes to the...
Linux - Replacing spaces in the file names
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Note: This is run from WITHIN the directory whose files' names you want to update. Alternatively, you can change * to PATH_TO_YOUR_DIRECTORY.
– CFitz
Mar 8 '19 at 20:06
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How can I find the first occurrence of a sub-string in a python string?
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what if I want to find the word is from the sentence this is a cool dude ? I tried the find method but it returns index 2 instead of 5. How do i achieve this using find() ?
– Regressor
Apr 12 at 23:09
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...leak. The only reason this happens is because you are inflating a fragment from XML inside another fragment. You are NOT supposed to do that! You should use the ChildFragmentManager and add the fragment in onViewCreated()!
– Daniele Segato
May 2 '16 at 12:30
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Git, How to reset origin/master to a commit?
...mind that it will make unhappy those people who already pulled the commits from master.
– mnagel
Jul 16 '13 at 6:13
I ...