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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...rst node.js app (runs fine locally) - but I am unable to deploy it via heroku (first time w/ heroku as well). The code is below. SO doesn't let me write so much code, so I would just say that the running the code locally as well within my network shows no issue.
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What is the relationship between Looper, Handler and MessageQueue in Android?
I have checked the official Android documentation/guide for Looper , Handler and MessageQueue . But I couldn't get it. I am new to android, and got very confused with these concepts.
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How do I find numeric columns in Pandas?
Let's say df is a pandas DataFrame.
I would like to find all columns of numeric type.
Something like:
11 Answers
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Get a specific bit from byte
... 2^bitNumber, which can be cheaply calculated by bit-shifting.
//your black magic
var bit = (b & (1 << bitNumber-1)) != 0;
EDIT: To add a little more detail because there are a lot of similar answers with no explanation:
A bitwise AND compares each number, bit-by-bit, using an AND join...
How to send a GET request from PHP?
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Sasha ChedygovSasha Chedygov
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Unit Testing bash scripts
... Java code. Since we are trying to Test Everything That Could Possibly Break, and those bash scripts may break, we want to test them.
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Can't connect to local MySQL server through socket '/tmp/mysql.sock
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sudo /usr/local/mysql/support-files/mysql.server start
This worked for me. However, if this doesnt work then make sure that mysqld is running and try connecting.
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...e a random, unique string using numbers and letters for use in a verify link? Like when you create an account on a website, and it sends you an email with a link, and you have to click that link in order to verify your account
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How can I check file size in Python?
...at()
os.stat_result(st_mode=33188, st_ino=6419862, st_dev=16777220, st_nlink=1, st_uid=501, st_gid=20, st_size=1564, st_atime=1584299303, st_mtime=1584299400, st_ctime=1584299400)
>>> Path('somefile.txt').stat().st_size
1564
or using os.stat:
>>> import os
>>> os.stat('...
Could not load file or assembly … The parameter is incorrect
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Looks like a corrupted assembly being referenced.
Clear both:
the \bin folder of your project
the temp folder (should be C:\Users\your_username\AppData\Local\Temp\Temporary ASP.NET Files in windows 7)
and see if the error s...