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Finding the source code for built-in Python functions?
...t file a particular module or function is implemented in you can usually print the __file__ attribute. Alternatively, you may use the inspect module, see the section Retrieving Source Code in the documentation of inspect.
For built-in classes and methods this is not so straightforward since inspect...
Convert a timedelta to days, hours and minutes
... // 3600, td.seconds // 60 % 60
As for DST, I think the best thing is to convert both datetime objects to seconds. This way the system calculates DST for you.
>>> m13 = datetime(2010, 3, 13, 8, 0, 0) # 2010 March 13 8:00 AM
>>> m14 = datetime(2010, 3, 14, 8, 0, 0) # DST starts...
How do I sort strings alphabetically while accounting for value when a string is numeric?
... if (IsNumeric1 && IsNumeric2)
{
var i1 = Convert.ToInt32(s1);
var i2 = Convert.ToInt32(s2);
if (i1 > i2)
{
return S1GreaterThanS2;
}
if (i1 < i2)
{
return...
Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
...he error in setText() method
Solution is simple put your Integer value by converting into string type
as
textview.setText(Integer.toString(integer_value));
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How to convert a PIL Image into a numpy array?
Alright, I'm toying around with converting a PIL image object back and forth to a numpy array so I can do some faster pixel by pixel transformations than PIL's PixelAccess object would allow. I've figured out how to place the pixel information in a useful 3D numpy array by way of:
...
Disable Enable Trigger SQL server for a table
... the Triggers.
select 'alter table '+ (select Schema_name(schema_id) from sys.objects o
where o.object_id = parent_id) + '.'+object_name(parent_id) + ' ENABLE TRIGGER '+
Name as EnableScript,*
from sys.triggers t
where is_disabled = 1
...
What is the preferred/idiomatic way to insert into a map?
...l require an additional call to std::pair template constructor in order to convert to value_type (ie : adding const to first_type)
std::pair<int, int> will also require an additional call to the template constructor of std::pair in order to convert the parameter to value_type (ie : adding cons...
how to convert an RGB image to numpy array?
I have an RGB image. I want to convert it to numpy array. I did the following
12 Answers
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What do Clustered and Non clustered index actually mean?
...tered index.
With a non clustered index there is a second list that has pointers to the physical rows. You can have many non clustered indices, although each new index will increase the time it takes to write new records.
It is generally faster to read from a clustered index if you want to get ba...
Why does this code segfault on 64-bit architecture but work fine on 32-bit?
... cast the malloc return in C. The void* that it returns will be implicitly converted to a pointer of the correct type (unless you haven't included the header in which case it probably would have warned you of the potentially unsafe int-to-pointer conversion).
...