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Flatten list of lists [duplicate]
... will un-nest each list stored in your list of lists!
list_of_lists = [[180.0], [173.8], [164.2], [156.5], [147.2], [138.2]]
flattened = [val for sublist in list_of_lists for val in sublist]
Nested list comprehensions evaluate in the same manner that they unwrap (i.e. add newline and tab for each...
How to get the last value of an ArrayList
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20 Answers
20
Active
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How do you create a Swift Date object?
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10 Answers
10
Active
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WKWebView not loading local files under iOS 8
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108
They finally solved the bug! Now we can use -[WKWebView loadFileURL:allowingReadAccessToURL:]. ...
PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
...s of statements emulation
$db->setAttribute(PDO::ATTR_EMULATE_PREPARES, 0);
$sql = "
DELETE FROM car;
INSERT INTO car(name, type) VALUES ('car1', 'coupe');
INSERT INTO car(name, type) VALUES ('car2', 'coupe');
";
$db->exec($sql);
Using statements
$db = new PDO("mysql:host=localhost;dbname...
Return multiple columns from pandas apply()
...data.
def sizes(s):
s['size_kb'] = locale.format("%.1f", s['size'] / 1024.0, grouping=True) + ' KB'
s['size_mb'] = locale.format("%.1f", s['size'] / 1024.0 ** 2, grouping=True) + ' MB'
s['size_gb'] = locale.format("%.1f", s['size'] / 1024.0 ** 3, grouping=True) + ' GB'
return s
df_...
What must I know to use GNU Screen properly? [closed]
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I've been using Screen for over 10 years and probably use less than half the features. So it's definitely not necessary to learn all its features right away (and I wouldn't recommend trying). My day-to-day commands are:
^A ^W - window list, where am I
^A ^C...
Is 'switch' faster than 'if'?
...)
movl %edi, %eax
cmpl $19, %edi
jbe .LBB0_1
retq
.LBB0_1:
jmpq *.LJTI0_0(,%rax,8)
jmp void call<0u>() # TAILCALL
jmp void call<1u>() # TAILCALL
jmp void call<2u>() # TA...
MySQL show status - active or total connections?
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420
According to the docs, it means the total number throughout history:
Connections
The number of ...
td widths, not working?
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It should be:
<td width="200">
or
<td style="width: 200px">
Note that if your cell contains some content that doesn't fit into the 200px (like somelongwordwithoutanyspaces), the cell will stretch nevertheless, unless your CSS contains ta...