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How to make join queries using Sequelize on Node.js
...
User.hasMany(Post, {foreignKey: 'user_id'})
Post.belongsTo(User, {foreignKey: 'user_id'})
Post.find({ where: { ...}, include: [User]})
Which will give you
SELECT
`posts`.*,
`users`.`username` AS `users.username`, `users`.`email` AS `users.email`,
`users...
Format / Suppress Scientific Notation from Python Pandas Aggregation Results
...wer I linked in the comments is not very helpful. You can specify your own string converter like so.
In [25]: pd.set_option('display.float_format', lambda x: '%.3f' % x)
In [28]: Series(np.random.randn(3))*1000000000
Out[28]:
0 -757322420.605
1 -1436160588.997
2 -1235116117.064
dtype: floa...
How to get a value of an element by name instead of ID
...uld I get the value of an element via the attribute name instead of the ID . eg if I use by id it would be $('#id').val();
...
Android - styling seek bar
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I would extract drawables and xml from Android source code and change its color to red.
Here is example how I completed this for mdpi drawables:
Custom red_scrubber_control.xml (add to res/drawable):
<selector xmlns:android="http://schemas.android.com/apk/res/and...
Chrome extension: accessing localStorage in content script
...aScript objects without serializing them to JSON (localStorage only stores strings).
Here's a simple code demonstrating the use of chrome.storage. Content script gets the url of visited page and timestamp and stores it, popup.js gets it from storage area.
content_script.js
(function () {
va...
What does “#define _GNU_SOURCE” imply?
...different Unix versions, so there is no single right content for, say, <string.h> — there are many standards (xkcd).
There's a whole set of macros to pick your favorite one, so that if your program expects one standard, the library will conform to that.
...
Setting Windows PowerShell environment variables
... ****Don't forget the semicolon at the start of the appending string, as seen in @Kevin 's comment. This is pretty obvious, but can be missed if you simply copy/paste the code in the answer and didn't have a semicolon at the end of the existing path. I'll try to submit an edit.
...
Directory does not exist. Parameter name: directoryVirtualPath
...isn't there
public class BundleRelaxed : Bundle
{
public BundleRelaxed(string virtualPath)
: base(virtualPath)
{
}
public new BundleRelaxed IncludeDirectory(string directoryVirtualPath, string searchPattern, bool searchSubdirectories)
{
var truePath = HostingEnvi...
What's the difference between == and .equals in Scala?
...in Java" - depends on what exactly this is:
public static void main(final String... args) {
final double unboxedNaN = Double.NaN;
final Double boxedNaN = Double.valueOf(Double.NaN);
System.out.println(unboxedNaN == unboxedNaN);
System.out.println(boxedNaN == boxedNaN);
System.o...
How can I get Docker Linux container information from within the container itself?
...
I've found out that the container id can be found in /proc/self/cgroup
So you can get the id with :
cat /proc/self/cgroup | grep -o -e "docker-.*.scope" | head -n 1 | sed "s/docker-\(.*\).scope/\\1/"
...