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Converting numpy dtypes to native python types
...)
pyval = val.item()
print(type(pyval)) # <class 'float'>
# and similar...
type(np.float64(0).item()) # <class 'float'>
type(np.uint32(0).item()) # <class 'long'>
type(np.int16(0).item()) # <class 'int'>
type(np.cfloat(0).item()) # <class 'complex'>
type(np...
Create timestamp variable in bash script
...ittle easier. I want to create the variable at the beginning of the script and have it print out the current time whenever I issue echo $timestamp . It proving to be more difficult then I thought. Here are some things I've tried:
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Creating a copy of an object in C# [duplicate]
... says ICloneable is deprecated? I looked at the documentation for .net 4.5 and ICloneable doesn't say anything about being deprecated. If it is then I'd like to use something else.
– vane
Jun 13 '14 at 15:57
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case-insensitive list sorting, without lowercasing the result?
... sorted(unsorted_list, key=lambda s: s.lower())
It works for both normal and unicode strings, since they both have a lower method.
In Python 2 it works for a mix of normal and unicode strings, since values of the two types can be compared with each other. Python 3 doesn't work like that, though: ...
What does “./bin/www” do in Express 4.x?
I just started to learn about Express 4.0 in my Node.js app, and I found that it generated ./bin/www file, on which only the application server and port settings are written and everything others like middleware and routing is defined in ./app.js file.
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How to apply !important using .css()?
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The problem is caused by jQuery not understanding the !important attribute, and as such fails to apply the rule.
You might be able to work around that problem, and apply the rule by referring to it, via addClass():
.importantRule { width: 100px !important; }
$('#el...
org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
...ate for all CRUD operations in my project. It doesn't work for One-To-Many and Many-To-One relationships. It gives me the below error.
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Why is “a” != “a” in C?
...
GCC also has the options -fmerge-constants and -fno-merge-constants to enable/disable string and floating-point constant merging across translation units, though on some GCCs it seems that constant merging is always enabled regardless of that option.
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Setting DEBUG = False causes 500 Error
...UG = False , my site will generate 500 (using wsgi & manage.py runserver), and there is no error info in Apache error log and it will run normally when I change debug to True .
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Cleaner way to do a null check in C#? [duplicate]
...
In a generic way, you may use an expression tree and check with an extension method:
if (!person.IsNull(p => p.contact.address.city))
{
//Nothing is null
}
Full code:
public class IsNullVisitor : ExpressionVisitor
{
public bool IsNull { get; private set; }
...