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Select by partial string from a pandas DataFrame
...modified example.
df4 = pd.DataFrame({'col': ['foo abc', 'foobar xyz', 'bar32', 'baz 45']})
df4
col
0 foo abc
1 foobar xyz
2 bar32
3 baz 45
df4[df4['col'].str.contains(r'foo|baz')]
col
0 foo abc
1 foobar xyz
3 baz 45
You can also create a list of ter...
In C#, how do I calculate someone's age based on a DateTime type birthday?
...the form of an extension method. Error checking omitted:
public static Int32 GetAge(this DateTime dateOfBirth)
{
var today = DateTime.Today;
var a = (today.Year * 100 + today.Month) * 100 + today.Day;
var b = (dateOfBirth.Year * 100 + dateOfBirth.Month) * 100 + dateOfBirth.Day;
re...
Syntax behind sorted(key=lambda: …)
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– Christopher Markieta
Jan 23 '12 at 2:32
19
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What is the difference between CMD and ENTRYPOINT in a Dockerfile?
...rios :-)
– ashirley
May 9 '16 at 13:32
93
This is a fabulous answer. I think Docker documentation...
How to optimize for-comprehensions and loops in Scala?
...ancies between run times of 2.5s and 0.7s were entirely due to whether the 32-bit or 64-bit JVMs were being used. Scala from the command line uses whatever is set by JAVA_HOME, while Java uses 64-bit if available regardless. IDEs have their own settings. Some measurements here: Scala execution times...
How to Update Multiple Array Elements in mongodb
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What is elem?
– user1063287
Sep 10 '18 at 8:01
1
This is correct. N...
Javascript calculate the day of the year (1 - 366)
...ochconverter.com/days/2016):
1/1/2016 is 1 days into the year
2/1/2016 is 32 days into the year
3/1/2016 is 61 days into the year
6/1/2016 is 153 days into the year
12/31/2016 is 366 days into the year
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Header files for x86 SIMD intrinsics
... Marat DukhanMarat Dukhan
10.9k44 gold badges2323 silver badges4040 bronze badges
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byte[] to hex string [duplicate]
...
There is a built in method for this:
byte[] data = { 1, 2, 4, 8, 16, 32 };
string hex = BitConverter.ToString(data);
Result: 01-02-04-08-10-20
If you want it without the dashes, just remove them:
string hex = BitConverter.ToString(data).Replace("-", string.Empty);
Result: 010204081020
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How do I get a background location update every n minutes in my iOS application?
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answered Jun 24 '11 at 8:32
wjanswjans
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