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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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Dynamically updating plot in matplotlib
...locks and doesn't perform the updates. Am I missing something? gist.github.com/daviddoria/027b5c158b6f200527a4
– David Doria
Sep 18 '15 at 11:14
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Where does Java's String constant pool live, the heap or the stack?
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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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Chrome sendrequest error: TypeError: Converting circular structure to JSON
...work (might have been doing something wrong) I ended up using this: github.com/isaacs/json-stringify-safe
– Doug Molineux
Nov 13 '15 at 20:22
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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),...
Why doesn't the JVM cache JIT compiled code?
...Regarding why this has not been implemented, I would expect that the added complexity of persisting and validating the JIT seed data was too much to take resources from other projects. Given the choice between this and Java 8 lambda+streams I'd rather have the latter.
– Thorbj...