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How do you round a float to two decimal places in jruby

...ing for that is discussed here, it's mostly about readability. Not that we all have to follow the style guide, just giving some reasons :) – Lucy Bain Sep 4 '14 at 1:10 ...
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Can I use multiple versions of jQuery on the same page?

...trol. Can I safely just use the latter half, or do both libraries need to call noConflict()? – Bungle Oct 14 '09 at 15:05 7 ...
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top -c command in linux to filter processes listed based on processname

Top lists all the processes, there are good options to filter the processes by username by using the option -u but I am wondering if there is any easy way to filter the processes based on processname listed under COMMAND column of the top output. ...
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Why use apparently meaningless do-while and if-else statements in macros?

...into if (corge) f(corge); g(corge); else gralt(); which is syntactically incorrect, as the else is no longer associated with the if. It doesn't help to wrap things in curly braces within the macro, because a semicolon after the braces is syntactically incorrect. if (corge) {f(corge); g(co...
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How to retry after exception?

I have a loop starting with for i in range(0, 100) . Normally it runs correctly, but sometimes it fails due to network conditions. Currently I have it set so that on failure, it will continue in the except clause (continue on to the next number for i ). ...
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Random number generation in C++11: how to generate, how does it work? [closed]

...ad about it (what is that engine , maths term like distribution , "where all integers produced are equally likely "). 2...
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Batch Renaming of Files in a Directory

...name(r'c:\temp\xx', r'*.doc', r'new(%s)') The above example will convert all *.doc files in c:\temp\xx dir to new(%s).doc, where %s is the previous base name of the file (without extension). share | ...
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Programmatically open new pages on Tabs

...cript you can use window.open('page.html','_newtab'); Said that, I partially agree with Sam. You shouldn't force user to open new pages or new tab without showing them a hint on what is going to happen before they click on the link. Let me know if it works on other browser too (I don't have a ch...
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Looping through localStorage in HTML5 and JavaScript

... In addition to all the other answers, you can use $.each function from the jQuery library: $.each(localStorage, function(key, value){ // key magic // value magic }); Eventually, get the object with: JSON.parse(localStorage.getI...
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What is the difference between Python's list methods append and extend?

... Actually there's a big difference - x + [4, 5] gives you a new list assigned to x - x.extend() mutates the original list. I elaborate in my answer here below. – Aaron Hall♦ Jul 17 '17 at 1...