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How does java do modulus calculations with negative numbers?
...n of the result equals the sign of the dividend.
Says it in Java specs:
https://docs.oracle.com/javase/specs/jls/se7/html/jls-15.html#jls-15.17.3
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Convert Python dict into a dataframe
...ted examples helpful; since often that how records are stored externally.
https://pbpython.com/pandas-list-dict.html
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What's the difference between identifying and non-identifying relationships?
...relationship exists when the value in the child table can be null.
http://www.sqlteam.com/article/database-design-and-modeling-fundamentals
Here's a simple example of an identifying relationship:
Parent
------
ID (PK)
Name
Child
-----
ID (PK)
ParentID (PK, FK to Parent.ID) -- notice PK
Name
He...
How do I make UILabel display outlined text?
..., which allows an outline in text and other effects. You can find it here: https://github.com/tobihagemann/THLabel
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How to concatenate properties from multiple JavaScript objects
...: 5 };
let d = $.extend({}, a, b, c)
console.log(d)
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
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Clear a terminal screen for real
... how to make that alias permanent so you don't have to keep typing it in.
https://askubuntu.com/questions/17536/how-do-i-create-a-permanent-bash-alias
These are the steps detailed at that link.
vim ~/.bashrc or gedit ~/.bashrc or what ever text editor you like
put alias cls='printf "\033c"' at t...
How to get Linux console window width in Python
...orks in Windows.
A backport is now available for Python 3.2 and below:
https://pypi.python.org/pypi/backports.shutil_get_terminal_size
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How to handle a lost KeyStore password in Android?
...
Brute is your best bet!
Here is a script that helped me out:
https://code.google.com/p/android-keystore-password-recover/wiki/HowTo
You can optionally give it a list of words the password might include for a very fast recover (for me it worked in <1 sec)
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For homebrew mysql installs, where's my.cnf?
...verwrite settings in a /etc/my.cnf file.
So I searched like John suggested https://stackoverflow.com/a/7974114/717251
sudo /usr/libexec/locate.updatedb
# wait a few minutes for it to finish
locate my.cnf
It found another my.cnf in
/usr/local/Cellar/mysql/5.6.21/my.cnf
changing this file worke...
Formatting a number with exactly two decimals in JavaScript
...;tbody id="results">
</tbody>
</table>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
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