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“Inner exception” (with traceback) in Python?
...of the InnerException chain; this PEP proposes no analog.
Note also that Java, Ruby and Perl 5 don't support this type of thing either. Quoting again:
As for other languages, Java and Ruby both discard the original
exception when another exception occurs in a 'catch'/'rescue' or
'f...
Converting of Uri to String
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You can use .toString method to convert Uri to String in java
Uri uri = Uri.parse("Http://www.google.com");
String url = uri.toString();
This method convert Uri to String easily
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How to expand folded package chain in Intellij IDEA?
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Why does the default parameterless constructor go away when you create one with parameters
In C#, C++ and Java, when you create a constructor taking parameters, the default parameterless one goes away. I have always just accepted this fact, but now I've started wondering why.
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Functions that return a function
...'Functions that return functions'. I'm referring the book 'Object Oriented Javascript' by Stoyan Stefanov.
9 Answers
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Android: Specify two different images for togglebutton using XML
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How to split a comma-separated string?
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Do you test it ? because I've just wrote a program java and the string " string, with , space ".trim() return "string, with , space". Like javadoc says : returns a copy of the string, with leading and trailing whitespace omitted. You are wrong and @user872858 is ri...
Parse a URI String into Name-Value Collection
...;
query_pairs.get(key).add(value);
}
return query_pairs;
}
UPDATE Java8 version
public Map<String, List<String>> splitQuery(URL url) {
if (Strings.isNullOrEmpty(url.getQuery())) {
return Collections.emptyMap();
}
return Arrays.stream(url.getQuery().split("&am...
What does it mean to “program to an interface”?
... I didn't understand why you needed them. If we're using a language like Java or C#, we already have inheritance and I viewed interfaces as a weaker form of inheritance and thought, "why bother?" In a sense I was right, you can think of interfaces as sort of a weak form of inheritance, but beyond...
Remove the error indicator from a previously-validated EditText widget
...is extension function
fun EditText.clearError() {
error = null
}
In Java:
editText.setError(null);
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