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What are the minimum margins most printers can handle?
... Description (PPD). PPDs are used in the CUPS printing system on Linux and Mac OS X as well even for non-PostScript printers.
Every PPD MUST, according to the PPD specification written by Adobe, contain definitions of a *ImageableArea (that's a PPD keyword) for each and every media sizes it can han...
Add a space (“ ”) after an element using :after
...n of the pseudo-element. That should work in all browsers except for a few Android ones that are quirky in this respect.
– user2581182
Aug 21 at 10:21
...
What's the difference between using CGFloat and float?
...uired to make your app 64-bit clean and try running it as such, since most Macs now have 64-bit CPUs and Snow Leopard is fully 64-bit, including the kernel and user applications. Apple's 64-bit Transition Guide for Cocoa is a useful resource.
...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...
It's a solution for Ubuntu (the idea also works for Windows or Mac) I just tried today and it works like a charm.
Material
a cross-over Ethernet cable (the name is fancy but it's just a normal Ethernet cable)
a laptop (ubuntu)
a Raspberry Pi (I have the Pi2)
Prerequisites on your u...
What is NODE_ENV and how to use it in Express?
...t variable as a one-off, you can do so from the command line:
linux & mac: export NODE_ENV=production
windows: $env:NODE_ENV = 'production'
In the long term, you should persist this so that it isn't unset if you reboot - rather than list all the possible methods to do this, I'll let you search...
How do I create a right click context menu in Java Swing?
...ut, paste, select all, undo and redo functions. It also works on Linux and Mac OS X:
import javax.swing.*;
import javax.swing.text.JTextComponent;
import javax.swing.undo.UndoManager;
import java.awt.*;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt...
Where is the documentation for the values() method of Enum?
...reate a new array, or does it re-use the same one?
– android developer
Jul 5 '16 at 8:35
3
@andro...
What is token-based authentication?
...alls.
Mobile ready: when you start working on a native platform (iOS, Android, Windows 8, etc.) cookies are not ideal when consuming a
token-based approach simplifies this a lot.
CSRF: since you are not relying on cookies, you don't need to protect against cross site requests (e.g. it w...
Receive result from DialogFragment
..., "received from fragment: " + id);
}
More info on it: https://developer.android.com/training/basics/fragments/communicating.html
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R and version control for the solo data analyst
...en version of a single file from your backup system?
For example, have a Mac and use Time Machine to backup to another hard drive in my computer. Time Machine is great for recovering the odd file or restoring my system if things get messed up. However it simply doesn't have what it takes to be t...