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PyLint “Unable to import” error - how to set PYTHONPATH?
... instead. There are many more options here: http://docs.python.org/install/index.html, including the option of appending sys.path with the user-level directory of your development code, but in practice I usually just symbolically link my local development dir to site-packages - copying it over has t...
How to add an extra column to a NumPy array
...e vector, for instance duplicate the last column:
b = np.insert(a, insert_index, values=a[:,2], axis=1)
Which leads to:
array([[1, 2, 3, 3],
[2, 3, 4, 4]])
For the timing, insert might be slower than JoshAdel's solution:
In [1]: N = 10
In [2]: a = np.random.rand(N,N)
In [3]: %timeit ...
Linking R and Julia?
...he package is on CRAN.
https://cran.r-project.org/web/packages/JuliaCall/index.html
https://github.com/Non-Contradiction/JuliaCall
The usage of the package is like this:
library(JuliaCall)
julia <- julia_setup()
julia_command("a = sqrt(2)"); julia_eval("a")
julia_eval("sqrt(2)")
julia_call("...
how do I query sql for a latest record date for each user
... This sql is slow in Oracle with in clause, it will not use the index
– meadlai
Oct 10 '19 at 3:01
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Setting custom UITableViewCells height
...t set a constant height to the cell in the UITableView 's heightForCellAtIndex method. The cell's height depends on the label's height which can be determined using the NSString 's sizeWithFont method. I tried using it, but it looks like I'm going wrong somewhere. How can it be fixed?
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Find text string using jQuery?
...wrote this on the jQuery docs page: $.expr[':'].icontains = function(obj, index, meta, stack){ return (obj.textContent || obj.innerText || jQuery(obj).text() || '').toLowerCase().indexOf(meta[3].toLowerCase()) >= 0; }; Example: $("div:icontains('John')").css("text-decoration", "underline");
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Regex to get string between curly braces
...hings that changes based on the language you work in. Javascript takes the index to stop at, PHP takes the length of the desired end result (unless it's negative, in which case it takes the number of characters to remove), C# is different again...nice and confusing.
– jvenema
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Is it possible to view RabbitMQ message contents directly from the command line?
.../hg.rabbitmq.com/rabbitmq-management/raw-file/rabbitmq_v3_1_3/priv/www/api/index.html
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append multiple values for one key in a dictionary [duplicate]
..., where items are implicitly associated with each other by having the same index rather than being proper children of a container that encompasses them both.
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Adding a parameter to the URL with JavaScript
...tion, but that depends completely on the length of the querystring and the index of any match
the slow regex method I benchmarked against for completions sake (approx +150% slower)
function insertParam2(key,value)
{
key = encodeURIComponent(key); value = encodeURIComponent(value);
var s...