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How to find out element position in slice?
...python ones :) So why there is no a common way to do such a common task? I mean, if you want to check if container has an element you can just if element in collection: do_something()
– OCyril
Nov 29 '11 at 18:26
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e.printStackTrace equivalent in python
...uses exception information to be added to the logging message.
What this means is, you can use the Python logging library to output a debug(), or other type of message, and the logging library will include the stack trace in its output. With this in mind, we can do the following:
import logging
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return statement vs exit() in main()
... for my locally scoped objects! Re-read that. exit() does not return. That means that once I call it, there are "no backsies." Any objects that you've created in that function will not be destroyed. Often this has no implications, but sometimes it does, like closing files (surely you want all your d...
Reference - What does this error mean in PHP?
...ban "If your file has more than one block in it..." I'm not sure what this means. What is a "block"? Would one block consist of <?php ?> and so "more than one block" would be <?php ?> <?php ?>?
– Andrew Fox
Jan 30 '14 at 8:40
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How to express a NOT IN query with ActiveRecord/Rails?
...this, if you are using Rails 4 look at the answers by Trung Lê` and VinniVidiVicci.
15 Answers
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What is the meaning of “this” in Java?
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@dbconfession: the code here is not meant as a stand-alone, self-running program. You're meant to read the code and the text, not run it! It is valid code, but it's only meant for demonstration purposes (that's why it doesn't have a proper main). For help with ...
SAML vs federated login with OAuth
...h OAuth (by requesting access to an API that provides identity). Does that mean OAuth can do everyhting SAML can and more?
– Dirk
Feb 5 '15 at 9:10
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How do .gitignore exclusion rules actually work?
...for me too. The problem is that /a/b/* does not work if foo is in c, which means if I have multiple foo files in various subdirectories under c (e.g. d/, e/, f/g/h/, i/j/, etc) then the negate rule '!foo' won't catch those.
– davidA
Jun 8 '10 at 23:29
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What is the best way to compute trending topics or tags?
... going to be magnitudes larger than someone else's spike, but that doesn't mean you should pay attention to it - the spike may be very small relative to her baseline.
Derive
Once you've normalized everything, figure out the slope of each topic. Take two consecutive points, and measure the differe...
Check if object value exists within a Javascript array of objects and if not add a new object to arr
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I've assumed that ids are meant to be unique here. some is a great function for checking the existence of things in arrays:
const arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }];
function ad...