Can we instantiate an abstract class? - Stack Overflow

abstract class My { public void myMethod() { System.out.print("Abstract"); } } . It& 39;s just that that class is given a name only after compilation by the compiler. . so most abstract classes are indeed instantiated by instantiating one of their concrete subclasses. . A Different Angle On This - Teamplay & Social Intelligence:.

How Can You Remove Glue From Concrete?

To remove glue from concrete scrape away the glue soften the residue with boiling water iron away stubborn areas and scrub away any remaining adhesive. If the glue does not come off with manual scrubbing and scraping try an adhesive-removal product.Read more≫ Web Results

Difference between __str__ and __repr__? - Stack Overflow

First let me reiterate the main points in Alex& 39;s post: . Let me come right out and say it — I do not believe in debuggers. . object with the same value when passed to eval() otherwise the representation is a string enclosed in angle brackets that contains . Hope this help you build concrete grounds to explore more answers.

Using Mockito to stub and execute methods for testing - Stack Overflow

You are confusing a Mock with a Spy . In a mock all methods are stubbed and return "smart return types". This means that calling any method.

Correctly transforming a node relative to a specified space? - Stack .

worldTranslation = parentNode.worldTranslation * localTranslation; worldRotation = parentNode.worldRotation * localRotation; worldScale.

Subclassing a Java Builder class - Stack Overflow

Based off of a blog post this approach requires all the non-leaf classes to be abstract . And finally a concrete leaf class that can call all the builder methods on any of its . If you don& 39;t want to poke your eye out on an angle bracket or three.

Are questions about the motives of programming library developers .

Apr 29 2019 . I submit that this question is off-topic for Stack Overflow on the grounds . license so I& 39;m not sure I agree with the angle of this being a licensing question. . It puts a message there that it& 39;s ok to post these types of questions. . we would as far as this concrete case is concerned get a reprieve from facing.

How to Slope a Deck for Water Runoff and Drainage | Decks.com

Sloping your deck away from your house ensures that water isn& 39;t pooling or running into your home. . How to Install Concrete Support Deck Posts & Columns.

Why does a view changes position when rotating it using .

I am adding another answer due to fs_tigre request. The problem is with the auto layouts in your xib file unfortunately is it unknown why that.

NullPointerException when using a Factory Pattern - Stack Overflow

As found out in comments issue was caused by unboxing of null Integer .

Post bracket mounted in concrete peer (With images) | Concrete .

If you are not ready to spend thousands of dollars for building a cozy pergola then you may devise new strategies of trying out something different so that you.

Does Stack Exchange really want to conflate newbies with women .

When I read the blogpost my first thought was like “Is this still a programming site or a social justice movement?” Honestly I can& 39;t see a negative link between.

Google Maps: Given a point how to find all points at a given road .

. points that fall on the circumference of this circle for any angle. . out the following Stack Overflow post for a concrete implementation of this:.

Redux: request into success or error flow from Component (using .

If I understand your question correctly you want your component to take action based on actions fired off by your saga. This would typically.

How to draw rotated axes in R? - Stack Overflow

Feb 27 2014 . . problems that can be answered with clear concrete and complete solutions. . get.coords takes arguments a (a vector of angles) d (a vector of . rotatedAxis plots an axis between x0 y0 and the point d units away along the line at angle a . . (Edit: I heavily edited this post - without changing it& 39;s general.

How Do You Cut Concrete?

Cut concrete by consulting the home's mechanical prints to determine any obstacles using a diamond blade on a circular saw to make the cut and breaking away the cut concrete with a sledge. The cutting process is slow and cutting through a concrete floor should be the last resort.Read more≫

Easy Fixes for Common Wood Fence Problems

If the post was set in concrete it& 39;s even harder to get it out. You might as well dig a new . Use galvanized angle to reinforce fence. To tighten and reinforce rails.

ARKit Place a SCNNode facing the camera - Stack Overflow

First get the rotation matrix of the camera: let rotate = simd_float4x4(SCNMatrix4MakeRotation(sceneView.session.currentFrame .camera.

The Stack Overflow I wish to build and participate in is no longer .

There& 39;s still no concrete direction for the site or community. . I posted multiple questions that were not well received in the slightest. . It& 39;s difficult for me to see these "updates" come out with no consideration for what the community wants. . like I have a useful angle to contribute that is appreciated and makes a difference.

Implementing initial conditions for a numerically solved differential .

Jul 15 2018 . To make the question concrete: With this set up in mind how do I find all possible . Here I post a corrected answer taking into account the drag by air. . and it does not require much computational resource to map out how far the . on the ground as a function of the initial velocity v0 and the angle theta .

5 More Common Mistakes when Installing Vinyl Fence

Oct 9 2015 . Most fencing experts recommend setting fence posts in concrete at . sure your fence posts and panels are laid out at 90 degree angles but the.

Tips to Build a Concrete Walkway | Family Handyman

Build strong crack-free concrete sidewalks and slabs with these 10 pro tips. Tips include forming . The angled 2×4 reinforces the side stake that holds the form vertical. . Packing the concrete forces out air bubbles and voids that weaken a slab. . Use a bull float to flatten large areas immediately after placing the concrete.

Interfaces — What& 39;s the point? - Stack Overflow

The point is that the interface represents a contract. A set of public methods any implementing class has to have. Technically the interface only governs syntax.

How To Lay Concrete | Concrete2you

A step-by-step guide to laying concrete including the tools and materials . after discharge; You should plan to use ready mix concrete within two hours; . If concrete dries out too quickly it can crack this is more evident in warmer drier weather. . line and wooden pegs ensuring that the corners have a 90 degree angle.

Circular rotation around an arbitrary axis - Stack Overflow

Look under the section Rotation matrix from axis and angle. . If you don& 39;t understand matrices and vectors post back and I& 39;ll help you. . It turns out that the product (or composition) of two rotations is again a rotation which agrees with the . In this concrete case it is easy to verify that Q Q& 39; = I and det(Q) = 1.

Let& 39;s improve Stack Overflow& 39;s "Ask a Question" page - Meta Stack .

Jun 26 2016 . However the fierce moderation scare users away after their first post and the ones that give it a second shot run the risk of hitting an almost.

Can we make it more obvious to new users that downvotes on the .

. like a post at -100 - experienced users know this but new users might be put off. . Of course the details would need to be fleshed out and it won& 39;t be as simple as it . or answerer is) for example by hiding it one link away like the edit history. . My main angle is that SE is something you have to learn so you should be.

What is the XY problem? - Meta Stack Exchange

What is it? The XY problem is asking about your attempted solution rather than your actual problem. That is you are trying to solve problem X and you think.

Trellis End Post Assembly Designs for Vineyards - NMSU

Finally concrete posts are becoming popular in vineyards. . At this angle the tension from the trellis wires places pressure on the post forcing it into the ground. Install the screw anchor approximately 4 feet away from the vertical post and.

Ask the Builder: Privacy fence needs to stand up to wind | The .

Jan 4 2015 . The advantage to not using concrete or gravel is if a fence post starts to . to dig out the soil on the side of the post where it& 39;s leaning away from.

Shade Sail Installation Guide Tips on How to Plan for your Sun Sails

Mar 11 2020 . Sail attachment points - Post Installation - Design - Building Codes and more. . Slants & Angles with overlapping sails;; Or where some corners are high . Ensure the concrete surface is sloping away from the posts to assist.

How Do You Install a Porch Post on Concrete?

To install a porch post on concrete using screws and a drill attach a lead shield and a metal post bracket to the concrete insert the porch post into the bracket and nail into place. Measure and double-check the placement of the posts before installation.Read more≫

How to Cut Concrete - Bob Vila

While abrasive blades can cut concrete they wear out quickly potentially needing to . rest of the concrete away; a 14” wet-cutting blade attached to a concrete-cutting saw on the . After you& 39;ve made the guided cut remove the guide board.

How to Build a Pergola | how-tos | DIY

We cut a 45-degree angle on the bottom end of each one. Step 4. After the concrete in the post holes has set and the beams and rafters are. Install the beams.

Custom Outdoor Seating DIY - Room for Tuesday Blog

Aug 2 2017 . Emmett and I weren& 39;t exactly sure how it was going to turn out because we& 39;ve never . Once all of the rebar rods have been installed mix up concrete and pour the . *This post is brought to you in collaboration with Lowes. . it to fit perfectly inside the pergola so we used an angle grinder to cut the blocks.

How to Pour a Concrete Slab Successfully — The Family Handyman

Once the truck has reached the end of a section spread the concrete out evenly and a touch . If the float angle is too steep you& 39;ll plow the wet concrete and create low spots. . Start floating the slab immediately after the pour is complete.