Squares Questions

[Saraid Madnick]

Id like to do something that feels very simple but I am struggling. I want to draw squares that are a single colour, I am getting halos around them and it all looks very pixelated. I want multiple squares that is 1.7mm square and precise colours. I have selected no stroke and fill to be solid, the smaller the square the more problems I am having.

Instead, if you enable snapping and turn on Snap to Grid, you can then use the Rectangle tool to draw precise shapes and then fill them with colour. You can also resize the rectangles by dragging the handles, and duplicate them if required.

Recently, on my Ubuntu 18.04 I have noticed that at least on gnome-calculator and chromium browser the fonts are displayed as squares. I have followed instructions here and here, the calculator is fixed, but the problem on chromium still exists when I open a dialog to search for a file.

Also, before few months ago, I have included some windows fonts for my libre office shown here. I used the copy (cp) method, not the link (ln -s). But, was working fine until yesterday. Haven't done any major change or update, at least on my Linux partition (dual boot). But, I don't think that this has anything to do with that.

To anyone still experiencing this issue after clearing and rebuilding the font cache, it's worth noting that incorrect permissions could also be a possible cause. Additionally - depending on your application and the content you're opening / reading - it could simply be a case of not having the correct font family / font pack installed for the source content.

As for font packs, it's usually a good idea to install distribution "recommended fonts" packages (most have such packs included in their package managers, and some come preinstalled, so google and distribution-specific docs will be your friend here.

These meta-packages include the most common fonts, and should take care of most compatibility requirements for everyday use. Check your package manager first, a cross-package (like recommended-fonts-ubuntu, or similar, may exist already).

I ran into this issue in ArchLinux, trying to keep my installation as lean as possible. I quickly learnt that, at least when it comes to fonts, installing a few packs with the more common fonts saves a lot of headache down the line - even if it means there a few redundant characters lying about your system :)

I had the same issue with Brave browser installed on Ubuntu 24.04 LTS.

I had installed through 'Snap' and had the issues. I removed it through 'Snap' and installed it through the following commands.

the nonlinear least squares objective is in the form y(x,u) - y_ref ^2_W. The nonlinear term y(x,u) is the one which should get in the cost_expr_y. Both y_ref and W are treated as numerical, and should be represented by matlab matrices.

About constraints, there are three types: bounds b (comprising state bounds bx and input bounds bu), general affine g and nonlinear h constraints.

These suffixes are combined with the prefixes n for dimensions (e.g. nbx), l/u for upper and lower constraint vector (e.g. lg).

The prefix J (e.g. Jbx) represents a matrix made of rows from an identity matrix. This is a way to encode which of your states or inputs are bounded.

Now, I am struggling to make the problem converge. Is there anywhere an explanation for what all the parameters mean and their possible values? Many of them, are common to Acado, so I have been looking to the Acado documentation here, but the list is not exhaustive and the values are sometimes different. Any help?

thanks for being so persistent.

I have been working on adding some comments on what the options mean to the examples and added checks to the Matlab interface.

In case of passing unsupported string options, it will also print the supported ones.

I hope this will help you and other users.

For a long time I have been making numerous brushes, saving them in bundles, editing them from time to time, coming up with new ideas etc.

I do this all the time, and I never had any problems until now.

While i was trying to fix the issue myself, I started by deactivating and activating my current bundles. (I used the bundles for years, never had this issue before however)

I thought the black squares would disappear if i just deactivated the (possible) bundles that could have been an origin of the issue. Some of these bundles contain gradients!

In the default folder, i have Basic-6_Details.0001.kpp and Basic-6_Details.0002.kpp, for example. Should i delete the duplicates, or the originals? Or delete the folders altogether? Will I lose any custom brushes I made/adjustments I made with the normal brushes?

Those -.0001 etc resources (the largest index number) will be used in preference to the original .bundle resources.

Their icon will be shown and the original .bundle resource will not be displayed for selection.

This is not my screen but same problem

Krita 5.1.3 on the PC.

Bez nzvu669514 103 KB

I just started getting small squares around my brush cursor when using reference images. This only happens when using reference images. Does anyone know how to get rid of them?

We all know that we have to take the corners. I am tired of keep hearing that stupid hint. What I want to know is how force my opponent into taking the x squares and the squares around the corners so I can use his pieces to jump into the corners. What squares do I have to take? what strategy to follow?

It actually can be a bad move to avoid the X squares as long as possible. I've seen games where players so pointedly avoided them that the four corners were taken before the first X space was played. If that happens, especially on an already-dense board, the corners lose a lot of advantage because it can be impossible to "riposte" and capture back any spaces taken by a play in the X square, because everything further along that line is already filled.

However, "avoid making this move" is a good rule in this scenario, and therefore forcing your opponent to play it is also a good tactic. As far as "how", the basic strategy is to make one or more of those Xs his only legal move at some point in the game. You do this by exploiting "parity"; make the move that is the best combination at the time of flipping as many discs as possible, while leading him to make the move that flips as few as possible. The fewer spaces of his color, the fewer lines and therefore spaces he can play on. The trick is usually to time a big move that tips the board in your favor and takes away a bunch of moves for your opponent at just the right time.

The basic mantra is, "make the last possible move on the line". If you take the last space in any row, column or diagonal, any further moves to recapture spaces in that line have to be made in a different direction. That generally gives the corners a high value because they are the endpoint of the three longest lines on the board; however if the corner play is the next-to-last move on a line, and you can still make the last move, it's often of very little advantage for your opponent to take the corner at that time, and so giving it to him by playing an X square can actually work to your advantage by removing his ability to use that corner to re-establish an edge. For the same reason, if you already have an adjacent corner to the one you and your opponent are fighting for, the advantage to him of owning that corner is reduced and the advantage to you of owning it is increased.

That will inevitably lead to a fight to avoid giving your opponent the first corner; once the first corner's taken by one color, it ends up a scramble to take the adjacent corners. The last corner's worth is often the least, as by the time it's taken the edges are typically very dense and taking it is unlikely to change very many spaces.

The permutations of the game makes it hard to come up with one specific strategy. Personally I like to "dance around" the X squares, trying to tease my opponent into placing his pieces there. But always remembering that it should cost him more than it should ever cost me.

As a general rule, your objective is to limit the number of liberties (that is, the number of moves) available to your opponent, while at the same time increasing yours. This is what is called the mobility strategy. When this objective is attained, one is said to have control of the game.

I was playing a game on my laptop and as soon as I picked it up to move it I heard a sort of scratch sound and now my screen is flashing pixelated squares on a black screen. I cannot turn the computer on and off and im 99% the battery is dead. What do I do?

because if we assume there is an independent operation for deducing the fifth element in a column from the other four, we have existing samples for the fifth and sixth column, and only one answer choice that fits both.

as we can see fairly quickly that the two pixels on the left each move left one space to the left, and then wrap around to the right, and the pixel on the left moves 0, then 1, then 2, then 3 spaces. Not sure if this is how to interpret this question (I have noticed some IQ questions are just poorly designed), but This is at least a logically consistant answer

One way to factor an expression is to use the difference of two squares. Writing a binomial as the difference of two squares simply means you rewrite a binomial as the product of two sets of parentheses multiplied by each other. For example, \(a^2-b^2=(a+b)(a-b)\). The binomial \(a^2-b^2\) can be factored into two sets of parentheses multiplied by each other. \((a+b)(a-b)\) will produce \(a^2-b^2\) when multiplied.

Not all expressions can be factored using this method. There are a few clues to look for when determining whether an expression can be factored using the difference of squares. Notice in the previous example \(a^2-b^2\) that each term is a perfect square, and there is a subtraction symbol between each term. These are two helpful clues to look for when determining if a binomial can be factored using the difference of two squares. If these two clues are present, then the expression can be factored using the difference of squares.

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