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Is there a way to list pip dependencies/requirements?
...shelve'-like database with concurrency support
├── prompt-toolkit<2.0.0,>=1.0.4 Library for building powerful interactive command lines in Python
│ ├── six>=1.9.0 Python 2 and 3 compatibility utilities
│ └── wcwidth Measures number...
Convert a list of objects to an array of one of the object's properties
...
For everyone who is stuck with .NET 2.0, like me, try the following way (applicable to the example in the OP):
ConfigItemList.ConvertAll<string>(delegate (ConfigItemType ci)
{
return ci.Name;
}).ToArray();
where ConfigItemList is your list variab...
Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
...
Note that Git 1.9/2.0 (Q1 2014) has removed that limitation.
See commit 82fba2b, from Nguyễn Thái Ngọc Duy (pclouds):
Now that git supports data transfer from or to a shallow clone, these limitations are not true anymore.
The docume...
What's the difference between equal?, eql?, ===, and ==?
...and float), if their numeric value is the same, == will return true.
2 == 2.0 # Output: => true
equal?
Unlike the == operator which tests if both operands are equal, the equal method checks if the two operands refer to the same object. This is the strictest form of equality in Ruby.
Example:...
Pandas - Get first row value of a given column
...row, use iloc:
In [31]: df_test.iloc[0]
Out[31]:
ATime 1.2
X 2.0
Y 15.0
Z 2.0
Btime 1.2
C 12.0
D 25.0
E 12.0
Name: 0, dtype: float64
To select the ith value in the Btime column you could use:
In [30]: df_test['Btime'].iloc[0]
Out[30]: 1.2
...
How to write a switch statement in Ruby
...
In Ruby 2.0, you can also use lambdas in case statements, as follows:
is_even = ->(x) { x % 2 == 0 }
case number
when 0 then puts 'zero'
when is_even then puts 'even'
else puts 'odd'
end
You can also create your own comparator...
Will code in a Finally statement fire if I return a value in a Try block?
...non-CLS compliant exceptions.
Asynchronous ThreadAbortException
As of .NET 2.0, a ThreadAbortException will no longer prevent a finally from running. ThreadAbortException is now hoisted to before or after the finally. The finally will always run and will not be interrupted by a thread abort, so long...
Automatic post-registration user authentication
... user (string) and password (string) as say the Reference: api.symfony.com/2.0/Symfony/Component/Security/Core/…
– unairoldan
May 28 '12 at 17:22
1
...
Abstract classes in Swift Language
...going to be to use a Protocol, which is like a Java Interface.
With Swift 2.0, you can then add method implementations and calculated property implementations using protocol extensions. Your only restrictions are that you can't provide member variables or constants and there is no dynamic dispatch....
Why does Hibernate require no argument constructor?
...
As for the constructor visibility, if you are using JPA v2.0 notice that the JSR-317 says: The no-arg constructor must be public or protected.
– José Andias
Jan 15 '15 at 15:32
...