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What does “Object reference not set to an instance of an object” mean? [duplicate]
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answered Apr 22 '09 at 20:51
IainIain
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Embed image in a element
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answered Dec 30 '11 at 20:06
Andrew BarberAndrew Barber
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Create nice column output in python
...se a format string in the following way to set the columns to a minimum of 20 characters and align text to right.
table_data = [
['a', 'b', 'c'],
['aaaaaaaaaa', 'b', 'c'],
['a', 'bbbbbbbbbb', 'c']
]
for row in table_data:
print("{: >20} {: >20} {: >20}".format(*row))
Out...
Conversion of System.Array to List
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Save yourself some pain...
using System.Linq;
int[] ints = new [] { 10, 20, 10, 34, 113 };
List<int> lst = ints.OfType<int>().ToList(); // this isn't going to be fast.
Can also just...
List<int> lst = new List<int> { 10, 20, 10, 34, 113 };
or...
List<int> lst ...
Evaluate expression given as a string
... be of using rlang.
– NelsonGon
Aug 20 '19 at 18:19
1
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How can I echo HTML in PHP?
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answered Jul 8 '09 at 20:36
Chris BierChris Bier
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Why do I need to explicitly push a new branch?
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answered Jun 13 '13 at 20:52
VonCVonC
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How to get week number in Python?
...he calendar week:
>>> import datetime
>>> datetime.date(2010, 6, 16).isocalendar()[1]
24
datetime.date.isocalendar() is an instance-method returning a tuple containing year, weeknumber and weekday in respective order for the given date instance.
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Go > operators
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edited Nov 10 '15 at 20:44
stormdrain
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answe...
What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?
I'm designing a table in SQL Server 2008 that will store a list of users and a Google Maps co-ordinate (longitude & latitude).
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