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Python division
... beginning from the first division, i.e. the leftmost one, we use floats.
Extra 1: If you are trying to answer that to improve arithmetic evaluation, you should check this
Extra 2: Please be careful of the following scenario:
>>> a = float(1/2/3/4/5/4/3)
>>> a
0.0
...
Programmatically select text in a contenteditable HTML element?
...
For extra compatibilty you should call selectElementContents() in a setTimeout() or requestAnimationFrame() if called from an onfocus. See jsfiddle.net/rudiedirkx/MgASG/1/show
– Rudie
Apr 4 ...
What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
...ther languages and project types as well.
Additional plugins contributes "extra information" to the Project Explorer view making it much more "sophisticated". For example if you have the web tools installed and you have a Dynamic Web Project, the Project Explorer shows you additional tree nodes lik...
How to vertically center a div for all browsers?
...
I had found this solution elsewhere first, but extra kudos to this particular answer for mentioning the -webkit-transform variant in particular, which I needed to make this method work in phantomjs... ended hours of struggling so thank you!
– drmrbre...
What is in your Mathematica tool bag? [closed]
... helper function is useful for creating such cells:
evaluatableCell[label_String, evaluationFunction_] :=
( CellPrint[
TextCell[
""
, "Program"
, Evaluatable -> True
, CellEvaluationFunction -> (evaluationFunction[#]&)
, CellFrameLabels -> {{None...
What does “fragment” mean in ANTLR?
...lly they'll improve readability of your grammars.
look at this example :
STRING : '"' (ESC | ~["\\])* '"' ;
fragment ESC : '\\' (["\\/bfnrt] | UNICODE) ;
fragment UNICODE : 'u' HEX HEX HEX HEX ;
fragment HEX : [0-9a-fA-F] ;
STRING is a lexer using fragment rule like ESC .Unicode is used in Esc r...
Deleting Objects in JavaScript
... of them would cause a crash. To make them all turn null would mean having extra work when deleting or extra memory for each object.)
Since Javascript is garbage collected, you don't need to delete objects themselves - they will be removed when there is no way to refer to them anymore.
It can be ...
How to avoid null checking in Java?
...dition> is a boolean expression and <object> is an object whose toString() method's output will be included in the error.
An assert statement throws an Error (AssertionError) if the condition is not true. By default, Java ignores assertions. You can enable assertions by passing the optio...
node.js database [closed]
...
By default, node_redis will return JavaScript strings for all commands. To get buffers instead, create a client with createClient(port, host, { return_buffers: true });
– Matt Ranney
Sep 20 '11 at 6:40
...
Alter MySQL table to add comments on columns
... AND is_nullable = 'YES' AND column_key = '','DEFAULT NULL ', ''),
extra,
' COMMENT \'',
column_comment,
'\' ;') as script
FROM
information_schema.columns
WHERE
table_schema = 'my_database_name'
ORDER BY table_name , column_name
Export all to a CSV
Open it o...