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Why do we use Base64?
...nd why Base64 was necessary in the first place we need a little history of computing.
Computers communicate in binary - 0s and 1s - but people typically want to communicate with more rich forms data such as text or images. In order to transfer this data between computers it first has to be encode...
Rename MySQL database [duplicate]
...tup replication from this database to the new one.
If you want to see the commands to do this, @jan has the details.
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How to connect to Mysql Server inside VirtualBox Vagrant?
...nnect to the mysql server, it`s resposts with the error:
'reading initial communication packet'
7 Answers
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Where does Java's String constant pool live, the heap or the stack?
...
stackoverflow.com/questions/28107739/…
– Kanagavelu Sugumar
Feb 23 at 15:13
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using gitignore to ignore (but not delete) files
...ad of .gitignore, you can update local git repository by running following command:
git update-index --assume-unchanged <file>
In this case a file is being tracked in the origin repo. You can modify it in your local repo and git will never mark it as changed. Read more at:
http://blog.pag...
Python - write() versus writelines() and concatenated strings
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@hBy2Py: exactly the opposite: stackoverflow.com/a/6165711/281545
– Mr_and_Mrs_D
Mar 11 '17 at 15:11
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Automating the InvokeRequired code pattern
I have become painfully aware of just how often one needs to write the following code pattern in event-driven GUI code, where
...
ReactJS: Modeling Bi-Directional Infinite Scrolling
...traction I found for this is the following:
Overview
Make a <List> component that takes an array of all children. Since we do not render them, it's really cheap to just allocate them and discard them. If 10k allocations is too big, you can instead pass a function that takes a range and retur...
What's the difference between an exclusive lock and a shared lock?
... exclusively locked, shared locks cannot be obtained.
Other teachers won't come up and start writing either, or the board becomes unreadable, and confuses students => If an object is exclusively locked, other exclusive locks cannot be obtained.
When the students are reading (shared locks) what ...
Difference between size_t and std::size_t
...e size of size_t
The actual type of size_t is
platform-dependent; a common mistake
is to assume size_t is the same as
unsigned int, which can lead to
programming errors,[3][4] when moving
from 32 to 64-bit architecture, for
example.
According to the 1999 ISO C
standard (C99),...