Tutorial by Examples: ros

Since A-Frame fetches assets using XHRs, browser security requires the browser to serve assets with cross-origin resource sharing (CORS) headers if the asset is on a different domain. Otherwise, we'd have to host assets on the same origin as the scene. For some options, GitHub Pages serves every...

We can put assembly instructions inside a macro and use the macro like you would call a function. #define mov(x,y) \ { \ __asm__ ("l.cmov %0,%1,%2" : "=r" (x) : "r" (y), "r" (0x0000000F)); \ } /// some definition and assignment unsigned char sbox[...

Let's say Joe owns a website that allows you to log on, view puppy videos, and save them to your account. Whenever a user searches on that website, they are redirected to https://example.com/search?q=brown+puppies. If a user's search doesn't match anything, than they see a message along the lines ...

Let's say that Bob owns a social website that allows users to personalize their profiles. Alice goes to Bob's website, creates an account, and goes to her profile settings. She sets her profile description to I'm actually too lazy to write something here. When her friends view her profile, this co...

Let's say that Bob owns a site that lets you post public messages. The messages are loaded by a script that looks like this: addMessage("Message 1"); addMessage("Message 2"); addMessage("Message 3"); addMessage("Message 4"); addMessage("Message 5&qu...

The procedures bellow will temporarily disable all Excel features at WorkBook and WorkSheet level FastWB() is a toggle that accepts On or Off flags FastWS() accepts an Optional WorkSheet object, or none If the ws parameter is missing it will turn all features on and off for all WorkSh...

DOSKEY macros don't work in a batch script. However, we can use a little workaround. set DOSKEYMacro=echo Hello World %DOSKEYMacro% This script can simulate the macro function. One can also use ampersands(&) to join commands, like $T in DOSKEY. If you want a relatively large "macro&qu...

Cold observable implementation, emits true when TTS engine finishes speaking, starts speaking when subscribed. Notice that API level 21 introduces different way to perform speaking: public class RxTextToSpeech { @Nullable RxTTSObservableOnSubscribe audio; WeakReference<Context> contextR...

File Commands File.NewProject : CTRL + SHIFT + N Displays the New Project dialog box. File.OpenProject: CTRL + SHIFT + O Displays the Open Project dialog box, where existing projects can be added to the solution. Project.AddClass: SHIFT + ALT + C Displays the Add N...

Handy method to initialise SolrJ client based on configuration properties; private void initSolrClient() { if (conf.kerberos().isEnabled()) { System.setProperty("java.security.auth.login.config", conf.kerberos().confPath()); HttpClientUtil.addConfigurer(new Krb5Http...