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Exposing a port on a live Docker container
...er's un-exposed port from the host machine.
If you have a container with something running on its port 8000, you can run
wget http://container_ip:8000
To get the container's IP address, run the 2 commands:
docker ps
docker inspect container_name | grep IPAddress
Internally, Docker shells out to ca...
How do I pass JavaScript variables to PHP?
....
You need to pass variables to PHP code from the HTML form using another mechanism, such as submitting the form using the GET or POST methods.
<DOCTYPE html>
<html>
<head>
<title>My Test Form</title>
</head>
<body>
<form method="POST">...
Convert string in base64 to image and save on filesystem in Python
...mg_data.decode('base64'))
fh.close()
# or, more concisely using with statement
with open("imageToSave.png", "wb") as fh:
fh.write(img_data.decode('base64'))
Modernizing this example to Python 3, which removed arbitrary codec support from string/bytes .encode() and .decode() functions:
# For ...
Why java.util.Optional is not Serializable, how to serialize the object with such fields
...tions when a return value might be absent. The intent is that the caller immediately check the Optional and extract the actual value if it's present. If the value is absent, the caller can substitute a default value, throw an exception, or apply some other policy. This is typically done by chaining ...
Wolfram's Rule 34 in XKCD [closed]
...ever a three-bit string matches rule 2's configuration, the center bit becomes (or stays, in this case) true on the next iteration.
A CA's rules are described as a bitstring. Say it's rule 110 (my favorite). In binary, 110 is 01101110. The digit of least significance is zero. This means that if the...
How to quickly and conveniently disable all console.log statements in my code?
Is there any way to turn off all console.log statements in my JavaScript code, for testing purposes?
28 Answers
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Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
...isplay: block }
LI:before { content: counters(item, ".") " "; counter-increment: item }
Example
ol { counter-reset: item }
li{ display: block }
li:before { content: counters(item, ".") " "; counter-increment: item }
<ol>
<li>li element
<ol>
<li>sub ...
Twitter Bootstrap Form File Element Upload Button
Why isn't there a fancy file element upload button for twitter bootstrap? It would be sweet if the blue primary button was implemented for the upload button. Is it even possible to finesse the upload button using CSS? (seems like a native browser element that can't be manipulated)
...
How to drop all tables in a SQL Server database?
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It doesn't work for me either when there are multiple foreign key tables.
I found that code that works and does everything you try (delete all tables from your database):
DECLARE @Sql NVARCHAR(500) DECLARE @Cursor CURSOR
SET @Cursor = CURSOR F...
ViewModel Best Practices
...ects the model that the view is trying to display, but I'm curious about some of the conventions (I'm new to the MVC pattern, if it wasn't already obvious).
...