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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
...ter you can change the column encoding from utf8 to utf8mb4. This encoding allows storage of characters that occupy 4 bytes in UTF-8.
You may also have to set the server property character_set_server to utf8mb4 in the MySQL configuration file. It seems that Connector/J defaults to 3-byte Unicode ot...
How to Batch Rename Files in a macOS Terminal?
...g).
If you find yourself batch-renaming files frequently, consider installing a specialized tool such as the Perl-based rename utility.
On macOS you can install it using popular package manager Homebrew as follows:
brew install rename
Here's the equivalent of the command at the top using rena...
Is it possible to create static classes in PHP (like in C#)?
...
You can have static classes in PHP but they don't call the constructor automatically (if you try and call self::__construct() you'll get an error).
Therefore you'd have to create an initialize() function and call it in each method:
<?php
class Hello
{
private static...
nginx server_name wildcard or catch-all
... is an admin console on admin.domain.com . These work great. Now I'd like all other domain requests to go to a single index.php - I have loads of domains and subdomains and it's impractical to list them all in an nginx config.
...
What are “first class” objects?
...as
any other object.
A first class object is an entity that can be dynamically created, destroyed, passed to a function, returned as a value, and have all the rights as other variables in the programming language have.
Depending on the language, this can
imply:
being expressible as ...
Python Nose Import Error
...stem path. The following fixed this:
source myvirtualenv/activate
pip install nose
which nosetests
/home/me/myvirtualenv/bin/nosetests
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Why is my git repository so big?
...he whole directory structure.
Edit: Here's Ian's one liner for recreating all branches in the new repo:
d1=#original repo
d2=#new repo (must already exist)
cd $d1
for b in $(git branch | cut -c 3-)
do
git checkout $b
x=$(git rev-parse HEAD)
cd $d2
git checkout -b $b $x
cd $d1
d...
How to write a scalable Tcp/Ip based server
...he best bet, using the Asynchronous sockets. This meant that clients not really doing anything actually required relatively little resources. Anything that does occur is handled by the .net thread pool.
I wrote it as a class that manages all connections for the servers.
I simply used a list to ho...
How do I search for an object by its ObjectId in the mongo console?
...
Not strange at all, people do this all the time. Make sure the collection name is correct (case matters) and that the ObjectId is exact.
Documentation is here
> db.test.insert({x: 1})
> db.test.find() ...
Does Python have a string 'contains' substring method?
...methods to make in available to your custom type.
– BallpointBen
Aug 17 '18 at 7:02
31
Just make ...