Author: J T403
Printing from an Android device requires a little bit more setup than in iOS where you simply connect to an AirPrint capable printer (like my Epson XP-400). However, Android printing appears to work with any Wifi printer (or PC connected printer), so its more flexible. Basically, it consists of three steps.
First, download and install Google CloudPrint onto your device.
Second…
I’ve been using the windows API call ShellExec for years to pass in the file name of a file I want to launch programatically with the default application on Windows; but I am now creating an application for use on Windows and Mac with FireMonkey for the upcoming season…
All of our modern PCs, Smartphones, Tablets and other devices include more than just a screen, keyboard, mouse, memory, and storage. The devices We use include sensors for location, orientation, acceleration, ambient light, etc. My Samsung Slate Series 7 is a hybrid or…
Author: David Clegg
Reading Anders Ohlsson’s latest blog post about using iOS APIs we don’t wrap reminded me of another couple of helper classes that I created, and which ship with the RAD Studio XE4 samples.
The first of these is the TAnonymousThread<T> generic class (in <samples installation directory>Delphi\RTL\CrossPlatform Utils\AnonThread.pas), and is designed to make…
Author: Vsevolod L1433
I’ve got a task of cloning FireMonkey objects. Let it be “chess”. An object is created as an aggregate in design-time. Look at the picture in the Structure pane. I have made the composite pawn model and start thinking of make 15…
Author: Сергей
One of small but rather useful new features of FireMonkey introduced in XE3 version is the FMX.Types.ITextSettings interface. Often we need to change some parameters of an output text for a component, which class is not known a priori. For example, a…
Author: Craig Stuntz
YAML’s security risks are in no way limited to Rails or Ruby. YAML documents should be treated as executable code and firewalled accordingly. Deserializing arbitrary types is user-controlled, arbitrary code execution.
It’s Not Just Ruby
A few weeks ago, I had a need to parse Jasmine’s jasmine.yml in some C# code. I spent some time looking at existing YAML…
Author: Craig Stuntz
HTML input elements have a placeholder attribute which you can use to show a bit of text to prompt the end user. Although you can make an editable div by using the contenteditable attribute, it will not support the placeholder attribute. I needed to do…
Author: Pawe Gowacki
It seems that it is my very first post in the New Year 2013, so I wish You all the best and great time writing all kinds of programs. I’m sure it is going to be a great year for Delphi and Marco is predicting it as well, especially that next month…
Author: Jim T1392
The adapter components TListBindSourceAdapter and TObjectBindSourceAdapter enable LiveBindings with user defined TObjects.
Here is a user defined TObject for example.
type
TContact = class
private
FFirstName: string;
FLastName: string;
public
constructor Create; overload;
constructor Create(const AFirstName, ALastName: string); overload;
property…
