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Log to the base 2 in python
...hat
but also know that
math.log takes an optional second argument which allows you to specify the base:
In [22]: import math
In [23]: math.log?
Type: builtin_function_or_method
Base Class: <type 'builtin_function_or_method'>
String Form: <built-in function log>
Namespace: ...
1052: Column 'id' in field list is ambiguous
...
Confusing! Because nothing is actually removed from the SQL language, SQL-89 is a proper subset of SQL-92. The OP's syntax is valid SQL-92 syntax (and. unless I'm missing something, yours is valid SQL-89 syntax). I consider INNER JOIN to be 'depreciated' sinc...
Hiding axis text in matplotlib plots
...t to be awkward) what happens if I want to add an xlabel()? Other than manually placing a text widget.
– Dave
Feb 1 '10 at 12:52
5
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linq query to return distinct field values from a list of objects
... it's easy - project to that with Select and then use the normal Distinct call.)
In MoreLINQ we have the DistinctBy operator which you could use:
var distinct = list.DistinctBy(x => x.typeID);
This only works for LINQ to Objects though.
You can use a grouping or a lookup, it's just somewhat ...
Initial size for the ArrayList
...lements in the list;
the capacity is how many elements the list can potentially accommodate without reallocating its internal structures.
When you call new ArrayList<Integer>(10), you are setting the list's initial capacity, not its size. In other words, when constructed in this manner, the ...
How to get the ASCII value of a character
...
Why is the function called "ord"?
– eLymar
Aug 1 '18 at 17:10
8
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SSH configuration: override the default username [closed]
...
Create a file called config inside ~/.ssh. Inside the file you can add:
Host *
User buck
Or add
Host example
HostName example.net
User buck
The second example will set a username and is hostname specific, while the first e...
HTML.ActionLink method
... are none. You need this value
// otherwise you call the WRONG method ...
// (refer to comments, below).
)
This uses the following method ActionLink signature:
public static string ActionLink(this HtmlHelper htmlHelper,
...
How do I preview emails in Rails?
...iables the template expects.
This could be done with fixtures, but I typically prefer to just grab some pseudo-random real data. Remember - this is NOT a unit test - this is purely a development aid. It doesn't need to produce the same result every single time - in fact - it's probably better if ...
How can I install a local gem?
If I download a .gem file to a folder in my computer, can I install it later using gem install ?
9 Answers
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