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How to run a program without an operating system?

...ystem running? Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU? ...
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Concatenating Files And Insert New Line In Between Files

...ke sure the file finalfile.txt does not exist before you run the above command. If you are allowed to use awk you can do: awk 'FNR==1{print ""}1' *.txt > finalfile.txt share | improve this ans...
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Add spaces before Capital Letters

... work fine (I even voted up Martin Browns answer), but they are expensive (and personally I find any pattern longer than a couple of characters prohibitively obtuse) This function string AddSpacesToSentence(string text, bool preserveAcronyms) { if (string.IsNullOrWhiteSpace(text)) ...
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Kill child process when parent process is killed

... From this forum, credit to 'Josh'. Application.Quit() and Process.Kill() are possible solutions, but have proven to be unreliable. When your main application dies, you are still left with child processes running. What we really want is for the child processes to die as soon as t...
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Is it possible to Pivot data using LINQ?

... GroupBy in Linq does not work the same as SQL. In SQL, you get the key and aggregates (row/column shape). In Linq, you get the key and any elements as children of the key (hierarchical shape). To pivot, you must project the hierarchy back into a row/column form of your choosing. ...
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JavaScript equivalent of PHP’s die

... this is absolutely the answer and works just like die(); however one should not care for the red "1 Error" of firebug! – Alexar Dec 21 '10 at 23:52 ...
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How to test if string exists in file with Bash?

...e. -q, --quiet, --silent         Quiet; do not write anything to standard output. Exit immediately with zero status if any match is found, even if an error was detected. Also see the -s or --no-messages option. Error handling As rightfully pointed out in the comments, the above approach ...
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Making a div vertically scrollable using CSS

...bar can be triggered with any property overflow, overflow-x, or overflow-y and each can be set to any of visible, hidden, scroll, auto, or inherit. You are currently looking at these two: auto - This value will look at the width and height of the box. If they are defined, it won't let the box expa...
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How to find out what group a given user has?

In Unix/Linux, how do you find out what group a given user is in via command line? 5 Answers ...
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How do you create a dropdownlist from an enum in ASP.NET MVC?

..., "Select My Type", new { @class = "form-control" }) For MVC 5 and lower I rolled Rune's answer into an extension method: namespace MyApp.Common { public static class MyExtensions{ public static SelectList ToSelectList<TEnum>(this TEnum enumObj) where TEnu...