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How to write loop in a Makefile?
...utputs 1 through 10 inclusive, just change the while terminating condition from 10 to 1000 for a much larger range as indicated in your comment.
Nested loops can be done thus:
target:
num1=1 ; while [[ $$num1 -le 4 ]] ; do \
num2=1 ; while [[ $$num2 -le 3 ]] ; do \
echo $$n...
How do I determine height and scrolling position of window in jQuery?
...
From jQuery Docs:
const height = $(window).height();
const scrollTop = $(window).scrollTop();
http://api.jquery.com/scrollTop/
http://api.jquery.com/height/
...
How to normalize an array in NumPy?
...kit-learn you can use sklearn.preprocessing.normalize:
import numpy as np
from sklearn.preprocessing import normalize
x = np.random.rand(1000)*10
norm1 = x / np.linalg.norm(x)
norm2 = normalize(x[:,np.newaxis], axis=0).ravel()
print np.all(norm1 == norm2)
# True
...
How to change the remote repository for a git submodule?
... I wanted to change the submodule's URL only on this machine. From the parent project I could modify the record in .git/config by doing: git config submodule."$submodule_name".url "$new_url" which is also described here.
– joeytwiddle
Oct 27 '16 a...
What's the main difference between int.Parse() and Convert.ToInt32
...er in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), since it allows you more fine-grained control over the situation when the user enters invalid input.
Convert.ToInt32() takes an object as its argument. (See Chris S's answe...
How to programmatically send a 404 response with Express/Node?
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@UpTheCreek, I'll remove the first example from the code to avoid the potential for that confusion.
– Drew Noakes
Oct 15 '14 at 13:10
1
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How can I have ruby logger log output to stdout as well as file?
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Nice solution. I tried to use this to tee the output from my rake tasks to a log file. In order to get it to work with puts though (to be able to call $stdout.puts without getting "private method `puts' called"), I had to add a few more methods: log_file = File.open("tmp/rake.l...
How to set different label for launcher rather than activity title?
...lter> can have a label attribute. If it's absent the label is inherited from the parent component (either Activity or Application). So using this, you can set a label for the launcher icon, while still having the Activity with it's own title.
Note that, while this works on emulators, it might no...
Calculate distance between two latitude-longitude points? (Haversine formula)
...s surface – using the
‘Haversine’ formula.
function getDistanceFromLatLonInKm(lat1,lon1,lat2,lon2) {
var R = 6371; // Radius of the earth in km
var dLat = deg2rad(lat2-lat1); // deg2rad below
var dLon = deg2rad(lon2-lon1);
var a =
Math.sin(dLat/2) * Math.sin(dLat/2) +
Ma...
How to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
8 Answers
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