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Get a random boolean in python?
I am looking for the best way (fast and elegant) to get a random boolean in python (flip a coin).
8 Answers
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What is hashCode used for? Is it unique?
I notice there is a getHashCode() m>me m>thod in every controls, items, in WP7, which return a sequence of number. Can I use this hashcode to identify an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specifi...
Why do Objective-C files use the .m extension?
...ctive-C and Cocoa, I've been wondering why they have chosen the extension .m for the implem>me m>ntation files - was it supposed to m>me m>an som>me m>thing, or was it just a random letter?
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Finding duplicate values in a SQL table
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SELECT
nam>me m>, email, COUNT(*)
FROM
users
GROUP BY
nam>me m>, email
HAVING
COUNT(*) > 1
Simply group on both of the columns.
Note: the older ANSI standard is to have all non-aggregated columns in the GROUP BY but this has ...
Opening Vim help in a vertical split window
...oesn't appear on the command line. Is there any way to fix that? Maybe som>me m>thing other than cnoremap?
– iconoclast
May 11 '14 at 2:26
8
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“for line in…” results in UnicodeDecodeError: 'utf-8' codec can't decode byte
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I had the sam>me m> issue UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd0 in position 32: invalid continuation byte. I used python 3.6.5 to install aws cli. And when I tried aws --version it failed with this error. So I had to edit /...
How to load db:seed data into test database automatically?
...ils.application.load_seed
Where to place that depends on what testing fram>me m>work you are using and whether you want it to be loaded before every test or just once at the beginning. You could put it in a setup call or in a test_helper.rb file.
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Getting only Month and Year from SQL DATE
...which the date is in.
NOTE: In SQL Server 2008, You will still have the TIm>ME m> attached as 00:00:00.000
This is not exactly the sam>me m> as "removing" any notation of day and tim>me m> altogether.
Also the DAY set to the first. e.g. 2009-10-01 00:00:00.000
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PHP code to convert a MySQL query to CSV [closed]
...IONALLY ENCLOSED BY '"'
LINES TERMINATED BY "\n"
FROM my_table;
(the docum>me m>ntation for this is here: http://dev.mysql.com/doc/refman/5.0/en/select.html)
or:
$select = "SELECT * FROM table_nam>me m>";
$export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) );
$fields = mysql_num_f...
When to use reinterpret_cast?
...ules are to use static cast when the types can be interpreted at compile tim>me m> hence the word static . This is the cast the C++ compiler uses internally for implicit casts also.
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