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How do I remove repeated elements from ArrayList?
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I am getting this error :incompatible types: List<Object> cannot be converted to List<String>
– Samir
Apr 4 '18 at 14:34
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How to find an available port?
...ed a set to keep track of the ports you've tried so far, and then raise an error when the size of that set equals to - from.
– Simon Kissane
Dec 15 '16 at 5:33
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How to add a new method to a php object on the fly?
...gt;color;};
$a->sayhello();//output: "hello!"
$a->printmycolor();//ERROR: Undefined variable $this
In order to solve this problem you can rewrite the pattern in this way
class AnObj extends stdClass
{
public function __call($closure, $args)
{
return call_user_func_array($t...
How do I add a simple onClick event handler to a canvas element?
...ich must be the best way (using math functions and/or comparisons is quite error prone). This approach is detailed on developer.mozilla
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Copy a table from one database to another in Postgres
...up, you should use the -a flag to import data only, else you may see weird errors like "Out of memory":
pg_dump -a -t my_table my_db | psql target_db
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Empty Git submodule folder when repo cloned
...ll have to go to each repo and do git checkout master otherwise you'll get error You are not currently on a branch. on git pull when you try to update it to a newer version.
– Noitidart
Nov 26 '16 at 10:04
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Google Docs/Drive - number the headings
...e code from git I get one of two results: nothing happens or a regex parse error at line 38. In order to get it to work I have to 1) cut and paste the git code from 10/16/17, 2) save, 3) manually make the changes nsof suggested, 4) save and run as listed above. I noticed a slight difference: line 38...
Git: Cannot see new remote branch
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It doesn't work for me. I get this error: fatal: Couldn't find remote ref <branch_name>
– Parisa Khateri
Sep 18 '18 at 8:07
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How to execute raw SQL in Flask-SQLAlchemy app
...ust directly executing the sql without converting to text. It was throwing error whenever we have %students% in my where clause. A big applause for your answer.
– Suresh Kumar
Jan 27 '18 at 4:16
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What is the C# equivalent of friend? [duplicate]
...ner in the outer, however, this way access is not granted, and comiplation error arises when trying to access the variable of inner class. You have access from Inner class to Outer class private variables, but not the other way round (from Outer class to Inner private variables) which turns to be qu...