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How to check if an array field contains a unique value or another array in MongoDB?
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Is there any INDEXING we can do on array's to stop duplicate? If yes, please guide how.
– Hitesh Joshi
Sep 29 '12 at 8:56
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RuntimeWarning: invalid value encountered in divide
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Python indexing starts at 0 (rather than 1), so your assignment "r[1,:] = r0" defines the second (i.e. index 1) element of r and leaves the first (index 0) element as a pair of zeros. The first value of i in your for loop is 0, so r...
TypeScript typed array usage
...typing the expression new Thing[100] as an array. It should be an error to index Thing, a constructor function, using the index operator. In C# this would allocate an array of 100 elements. In JavaScript this calls the value at index 100 of Thing as if was a constructor. Since that values is undefin...
How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
... 2012? I'd just be happy if the wizard remembered my settings like "Script Indexes".
– PeterX
Mar 6 '14 at 7:06
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Splitting on first occurrence
... Technically assumes the correct delimiter. The 'first' is the [1] index. The one we are all referencing would of course be the zero-ith index. :D Semantics.
– Izaac Corbett
Nov 15 '17 at 13:19
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Get application version name using adb
...script:
adb shell dumpsys package | awk '/^[ ]*Package \[.*\] (.*)/ { i = index($0, "[") + 1; pkg = substr($0, i, index($0, "]") - i); } /[ ]*versionName=/ { { print pkg "\t" substr($0, index($0, "=") + 1); pkg = ""; } }'
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What is the HTML tabindex attribute?
What is the tabindex attribute used for in HTML?
10 Answers
10
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Pythonic way to check if a list is sorted or not
... el in enumerate(lst[1:]):
if key(el) < key(lst[i]): # i is the index of the previous element
return False
return True
This will be O(n) if the list is already sorted though (and O(n) in a for loop at that!) so, unless you expect it to be not sorted (and fairly random) m...
Node.js project naming conventions for files & folders
...er mixes this up a bit).
I also like this pattern to separate files:
lib/index.js
var http = require('http');
var express = require('express');
var app = express();
app.server = http.createServer(app);
require('./config')(app);
require('./models')(app);
require('./routes')(app);
app.server....
Git status ignore line endings / identical files / windows & linux environment / dropbox / mled
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git commit -m "Saving files before refreshing line endings"
Remove the index and force Git to rescan the working directory.
rm .git/index
Rewrite the Git index to pick up all the new line endings.
git reset
Show the rewritten, normalized files.
In some cases, this is all that needs to b...