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Cleanest way to toggle a boolean variable in Java?
... visual" way (most uncertainly)
theBoolean = theBoolean ? false : true;
Extra: Toggle and use in a method call
theMethod( theBoolean ^= true );
Since the assignment operator always returns what has been assigned, this will toggle the value via the bitwise operator, and then return the newly as...
Add new row to dataframe, at specific row-index, not appended?
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Answers with benchmarks should have some extra reputation applied automatically IMO. Thanks!
– Alex
Jun 20 '19 at 10:42
add a comment
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Writing a Python list of lists to a csv file
... With Python 3 - open('output.csv', 'w', newline=''). I get an extra line if I omit the newline parameter. docs.python.org/3/library/csv.html#csv.writer
– Spas
Jul 2 '15 at 15:50
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Best Practice to Organize Javascript Library & CSS Folder Structure [closed]
...-company-logo-large.png data some-data.json more-data.xml table-data.csv extra-data.txt vendors jquery images ajax-loader.gif icons-18-white.png jquery.min.js jquery.mobile-1.1.0.min.css jquery.mobile-1.1.0.min.js some-css-library some-plugin.jquery my-index.html my-contact-info.html my-pr...
Check if one list contains element from the other
...re comparing, you'll get O(n) + O(m), that is, O(n+m), at the cost of some extra RAM; it's a matter of choosing between speed or memory.
– Haroldo_OK
Mar 1 '16 at 13:10
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Is there an expression for an infinite generator?
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knowing the syntax of iter (here with extra sentinel) and the syntax of lambda (here without any passed parameters, just return 0), the only place to hate is that enigmatic g1.
– Sławomir Lenart
Mar 11 '19 at 17:56
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Convert .pfx to .cer
...istaken, isn't a .cer somehow embedded inside a .pfx? I'd like some way to extract it, if possible.
5 Answers
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How to get a tab character?
...ive to be more complete. When I tried the "pre" based answers, they added extra vertical line breaks as well.
Each tab can be converted to a sequence non-breaking spaces which require no wrapping.
"    "
This is not recommended for repeated/extensive use...
Which timestamp type should I choose in a PostgreSQL database?
... (
my_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
CHECK(EXTRACT(TIMEZONE FROM my_timestamp) = '0')
);
test=> SET timezone = 'America/Los_Angeles';
SET
test=> INSERT INTO my_tbl (my_timestamp) VALUES (NOW());
ERROR: new row for relation "my_tbl" violates check constraint "my...
Finding the mode of a list
... This is the correct answer to OP, considering it does not require any extra imports. Good job, David
– Jason Parham
Apr 15 '15 at 15:48
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