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How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g
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answered Jul 17 '10 at 7:54
Mark ByersMark Byers
683k155155 gold badges14681468 silver badges13881388 bronze badges
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LINQ where vs takewhile
...ind all elements matching the condition
var intList = new int[] { 1, 2, 3, 4, 5, -1, -2 };
Console.WriteLine("Where");
foreach (var i in intList.Where(x => x <= 3))
Console.WriteLine(i);
Console.WriteLine("TakeWhile");
foreach (var i in intList.TakeWhile(x => x <= 3))
Console.Wri...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
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114
As a hobbyist operating system writer, I found that because paging (a major part of the modern p...
How to get all subsets of a set? (powerset)
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edited Jun 9 '19 at 17:49
Ran Feldesh
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answered Sep 26 '09 at 22...
Pandas every nth row
... edited Oct 25 '18 at 5:05
user3483203
43.6k88 gold badges3939 silver badges7373 bronze badges
answered Jul 31 '14 at 11:25
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Running a cron job at 2:30 AM everyday
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541
crontab -e
add:
30 2 * * * /your/command
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Filter dataframe rows if value in column is in a set list of values [duplicate]
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edited Feb 25 at 0:45
Harvey
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answered Aug ...
Add a number to each selection in Sublime Text 2, incremented once per selection
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PJSCopeland
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answered Feb 3 '13 at 8:15
aantonaanton
5,52211 gold badge20...
Why is rbindlist “better” than rbind?
... data.frame(b = 1:2, a = 2:3)))
## a b
## 1 1 2
## 2 2 3
## 3 2 1
## 4 3 2
rbindlist(list(data.frame(a = 1:5, b = 2:6), data.frame(b = 1:5, a = 2:6)))
## a b
## 1: 1 2
## 2: 2 3
## 3: 1 2
## 4: 2 3
Some other limitations of rbindlist
It used to struggle to deal with factors, due...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
... something == 'there':
the_thing = 3
else:
the_thing = 4
2.py
something = 'something'
options = {'this': 1, 'that': 2, 'there': 3}
for i in xrange(1000000):
the_thing = options.get(something, 4)
3.py
something = 'something'
options = {'this': 1, 'that': 2, 'there': 3}
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