[Solved] Haskell Zip Parse Error

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printList :: IO () printList = do putStrLn “Printed Combined List” zip [NameList][PriorityList] There are many things wrong with this code. The parse error you are seeing is because the do block is not properly aligned. The zip on the last line must line up with the putStrLn on the line before. So either printList … Read more

[Solved] Invalid use of void expression in strcmp

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It looks like you want to compare strings after sorting. Assuming your sort function does the right thing, you need to compare the strings after sorting them. sort(string1); sort(string2); val = strcmp(string1, string2); The reason for the error is that your sort function returns void. So you are effectively passing void arguments to strcmp. And … Read more

[Solved] Using CSS to style a numbered list

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Below is a sample on how the desired result can be achieved using <ol> (ordered lists) and CSS counters. It has a bit of a hack-ish feel about it because of the expectation that when a line is wrapped around, it should not start from under the numberings. Otherwise, I feel this method is much … Read more

[Solved] why < is much faster than !=?

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When you call cycle with the input value 113383, the process eventually sets n to 827370449, and 3*827370449+1 is 2482111348, which is greater than the maximum signed int and is interpreted as -1812855948. So there’s your first negative number where there should be no negative number. If this process then eventually sets n to -2, … Read more

[Solved] how to select a div among sets of divs with thesame class name and contained in a main container div

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It is just really tough to tell exactly what you need. I sounds like you have elements that are generated dynamically in your javascript, and you are having trouble making those draggable. I assume this means that you have successfully made other elements on the page draggable that were not added dynamically. IF this is … Read more

[Solved] Deleting on array item in Windows Phone C# app and never show it in next app launch [closed]

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Pretty basic example of using storage folder with xml output/input. You can modify it do what you wish. I use a more complicated version of it for my own windows phone app. I’m assuming you having a hard time writing and reading the data back. If you need help deleting a random element from the … Read more

[Solved] Projectile motion in Unity3d

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Let’s be more specific. The projectile is launched from point A and needs to hit B, who is moving horizontally with constant speed in 2D. This is the position of the projectile, over time: P.x = A0.x + VP0.x * t P.y = A0.y + VP0.y * t – g/2 * t^2 And this is … Read more

[Solved] php bind_param number of variables doesn’t match number of parameters

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You get the error because you bind 7 params to the query, but don’t use any of them. Instead you insert the variables directly into the query, which leads to the data being (insecurely) inserted into the database. $insert = $this->con->db->prepare(‘UPDATE users SET firstName=”‘.$updateFirstName.'”, lastName=”‘.$updateLastName.'”, username=”‘.$updateUsername.'”, email=”‘.$updateEmail.'”, profileImage=”‘.$updateProfileImage.'”, bio=”‘.$updateBio.'” WHERE userID = ‘.$userID); should be … Read more

[Solved] Why do I have to use getSupportActionBar() for activity that extends AppCompatActivity?

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AppCompatActivity is activity for older version android up to latest version. so if your targer application is android 2.3 – 6.0 you must extend appcompactactivity rather than just plain activity. and method getActionBar is intended to use with activity. getSupportActionBar is intended to use with appCompactActivity What you import is a class from other project, … Read more

[Solved] Printing out box of Hashtags(#) surrounding text

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You can use System.out.printf: Let’s consider String str = “012345678901234567890123456789012345678”; add spaces before the string: System.out.printf(“%56s”, str); Output: ############################################################ # # # 012345678901234567890123456789012345678 # # # ############################################################ add spaces after the string: System.out.printf(“%-56s”, str); Output: ############################################################ # # # 012345678901234567890123456789012345678 # # # ############################################################ To be sure that the string is not too long, you … Read more

[Solved] How may I get the element attributes (text, id, class and so on..) of the current tab, out of a mouse click, from a chrome extension?

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In your content.js, write the following code- $(window).click(function(event) { console.log(“Click event: “, event); }); Content scripts are files that run in the context of web pages. By using the standard Document Object Model (DOM), they are able to read details of the web pages the browser visits, make changes to them and pass information to … Read more