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Get the IP address of the machine
...ly, it works fine for me on os x 10.5 and should be the same below.
I've done a quick example below which will print all of the machine's IPv4 address, (you should also check the getifaddrs was successful ie returns 0).
I've updated it show IPv6 addresses too.
#include <stdio.h>
#incl...
What is a lambda (function)?
...fields and functions, whereas a lambda function generally only consists of one line of instructions. This can vary depending on the language of course.
– zdimension
Apr 20 '18 at 13:05
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Share variables between files in Node.js?
... an scenario where a global var is the best option, of course you can have one, but take a look at these examples and you may find a better way to accomplish the same:
Scenario 1: Put the stuff in config files
You need some value that it's the same across the application, but it changes depending ...
Equation (expression) parser with precedence?
...lex/Bison may very well be overkill for a small, simple interpreter, but a one off parser+evaluator may cause trouble down the line when changes need to be made or features need to be added. Your situation will vary and you will need to use your judgement; just don't punish other people for your sin...
Formula px to dp, dp to px android
...s rounded to the nearest screen bucket, but so is the dp unit! Try drawing one object that is 160dp wide and just below it you draw another object that is dpToPx(160) pixels wide and you will see that the size of the two objects are different. Also some phones (such as Galaxy Mini and Galaxy S3 Mini...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...o count children without loading data, but we do plan to add it.
For now, one solution would be to maintain a counter of the number of children and update it every time you add a new child. You could use a transaction to count items, like in this code tracking upvodes:
var upvotesRef = new Firebas...
Split by comma and strip whitespace in Python
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Super good! I added one item as follows to get rid of the blank list entries. > text = [x.strip() for x in text.split('.') if x != '']
– RandallShanePhD
Jul 28 '17 at 19:41
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PyCharm shows unresolved references error for valid code
...nterpreter': Gear icon -> More...
Click the 'Show paths' button (bottom one)
Click the 'Refresh' button (bottom one)
Remove the interpreter and add it again:
File -> Settings
Project: [name] -> Project Interpreter -> 'Project Interpreter': Gear icon -> More...
Click the 'Remove' bu...
could not resolve host github.com error while cloning remote repository in git
...t I did: I have created a remote repository on Github and I am trying to clone the remote repository on my local machine. While cloning I am providing the clone URL & target folder.
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When to use UICollectionView instead of UITableView?
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I'm wondering why one ever need to use tableview when collectionview can serve all the needs without additional complexity but provides flexibility (if a customer ever needs to extend layout to more than one column, it would be pretty straight...