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Deploying my application at the root in Tomcat

...couple of options: Remove the out-of-the-box ROOT/ directory from tomcat and rename your war file to ROOT.war before deploying it. Deploy your war as (from your example) war_name.war and configure the context root in conf/server.xml to use your war file : <Context path="" docBase="war_name" de...
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Hash and salt passwords in C#

...- which the membership provider does to put them into config files. Hashes and salts are binary blobs, you don't need to convert them to strings unless you want to put them into text files. In my book, Beginning ASP.NET Security, (oh finally, an excuse to pimp the book) I do the following static ...
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Can you use a trailing comma in a JSON object?

...ed to worry about all browsers. In general I try turn the problem around, and add the comma before the actual value, so you end up with code that looks like this: s.append("["); for (i = 0; i < 5; ++i) { if (i) s.append(","); // add the comma only if this isn't the first entry s.appendF("\"...
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How can I suppress all output from a command using Bash?

... The following sends standard output to the null device (bit bucket). scriptname >/dev/null And if you also want error messages to be sent there, use one of (the first may not work in all shells): scriptname &>/dev/null scriptname &gt...
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Qt: can't find -lGL error

... edited Jul 30 '18 at 14:05 Rando Hinn 1,1151717 silver badges3232 bronze badges answered Aug 29 '13 at 6:15 ...
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?

..., getting dates/times right when programming is always fraught with danger and difficulity. 3 Answers ...
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How can I see the size of files and directories in linux? [closed]

How can I see the size of files and directories in Linux? If use df -m , then it shows the size of all the directory at the top level, but, for the directories and files inside the directory, how do I check the size? ...
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Handling a colon in an element ID in a CSS selector [duplicate]

...the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something? ...
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PHP Sort Array By SubArray Value

... Well he just gave you the function to use. And you're going to have to accept that there's not always a built-in function to do what you want, you have to write it yourself. Comparison functions just require a return of 1, 0, or -1 indicating the sort order for two el...
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Is sizeof(bool) defined in the C++ language standard?

I can't find an answer in the standard documentation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined? ...