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Numpy how to iterate over columns of array?
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For example you want to find a mean of each column in matrix. Let's create the following matrix
mat2 = np.array([1,5,6,7,3,0,3,5,9,10,8,0], dtype=np.float64).reshape(3, 4)
The function for mean is
def my_mean(x):
return sum(x)/len(x)
To do what i...
Change URL and redirect using jQuery
... this...
$("#abc").attr("action", "/yourapp/" + temp).submit();
What it means:
Find a form with id "abc", change it's attribute named "action" and then submit it...
This works for me... !!!
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Use-case of `oneway void` in Objective-C?
...viously, it is never used with anything other than void, as doing so would mean the method returns something, but the caller doesn't get it.
For more on distributed objects, see Cocoa Conceptual DistrObjects.
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How to get a user's client IP address in ASP.NET?
...nderstood in server side applications we cant be sure about IP address. it means that client side programming is the solution?? you mean for example with some JavaScript codes we can do that??
– Mehdi
Apr 10 '09 at 17:23
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How can I resize an image dynamically with CSS as the browser width/height changes?
... image, but now restricted to a maximum width of 50vw
vw (=viewport width) means the image will be X width of the viewport, depending on the digit provided. This also works for height:
img {
width: auto;
height: 100%;
max-height: 20vh;
}
<img src="https://www.petmd.com/sites/defau...
Update a column value, replacing part of a string
...gn to indicate partial string: I.E.
LIKE ('...//domain1.com/images/%');
means all records that BEGIN with "...//domain1.com/images/" and have anything AFTER (that's the % for...)
Another example:
LIKE ('%http://domain1.com/images/%')
which means all records that contains "http://domain1.com/i...
How do I programmatically click a link with javascript?
...This doesn't work? Have your tried it? I hope you understand what "LinkID" means. I would be really surprised if someone now-a-days is backward enough to js without jQuery. Anyway, feel free to downvote after gaining some points
– Muhammad Waqas Iqbal
Mar 12 '1...
Find the PID of a process that uses a port on Windows
...cho %~nxa
Output:
10396
If you want to cut the 4th number of the value means "LISTENING" then command in Windows.
Command:
for /f "tokens=4" %a in ('netstat -aon ^| findstr 4723') do @echo %~nxa
Output:
LISTENING
sh...
Meaning of acronym SSO in the context of std::string
... "SSO" in the context of optimizing copies of std::string . What does SSO mean in that context?
3 Answers
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Removing list of vms in vagrant cache
... an accepted and upvoted answer, but this "prunes" the global-status list. Meaning that the VM no longer shows up in the list. The VM itself remains untouched, though. Meaning one still has to unregister and delete it manually. The very simple thing should be that vagrant does its job properly when ...