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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...e uuid and the computer, as the mac address gets used to make it unique across computers.
You can create duplicates by creating more than 214 uuid1 in less than 100ns, but this is not a problem for most use cases.
uuid4() generates, as you said, a random UUID. The chance of a collision is really, ...
How to implement a ViewPager with different Fragments / Layouts
...at the imports. I am using the android.support.v4 package.
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.v...
What's an Aggregate Root?
I'm trying to get my head around how to properly use the repository pattern. The central concept of an Aggregate Root keeps coming up. When searching both the web and Stack Overflow for help with what an aggregate root is, I keep finding discussions about them and dead links to pages that are suppos...
Retaining file permissions with Git
...o you:
bundle your repo and save the associated file permissions.
copy those two files on the remote server
restore the repo there, and apply the permission
share
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Nginx no-www to www and www to no-www
... 80;
server_name www.example.com;
...
}
HTTPS Solution
For those who want a solution including https://...
server {
listen 80;
server_name www.domain.com;
# $scheme will get the http protocol
# and 301 is best practice for tablet, phone, desktop and seo...
Integrating the ZXing library directly into my Android application
...deEncoder(qrData, null,
Contents.Type.TEXT, BarcodeFormat.QR_CODE.toString(), qrCodeDimention);
try {
Bitmap bitmap = qrCodeEncoder.encodeAsBitmap();
imageView.setImageBitmap(bitmap);
} catch (WriterException e) {
e.printStackTrace();
}
Here is Contents.java
//
// * Copyright...
How to pull request a wiki page on GitHub?
...
GitHub doesn't support pull requests for the wiki repository, only the main repository (this is a bit of a shame, IMO, but I can understand it).
Here's an interesting way one project manages community updates to their wiki, while still keeping tight control, as for source code...
When to favor ng-if vs. ng-show/ng-hide?
...from DOM. This means that all your handlers or anything else attached to those elements will be lost. For example, if you bound a click handler to one of child elements, when ng-if evaluates to false, that element will be removed from DOM and your click handler will not work any more, even after ng-...
Objective-C: Where to remove observer for NSNotification?
...dd a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against crashes due to the notification center notifying dead objects. It can...
What's the difference between a catalog and a schema in a relational database?
...ews and domains of the
Information Schema.
Database Language SQL, (Proposed revised text of DIS 9075), p 45
From the SQL point of view :
A catalog is often synonymous with database. In most SQL dbms, if you query the information_schema views, you'll find that values in the "table_catalog" c...