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Static nested class in Java, why?

...ass(1); } } } public class Test { public static void main(String[] args) { OuterClass.InnerClass.test(); // OuterClass outer = new OuterClass(1); // It is not possible to create outer instance from outside. } } This will output x: 1 ...
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How to convert SecureString to System.String?

All reservations about unsecuring your SecureString by creating a System.String out of it aside , how can it be done? 11 A...
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How do I replace multiple spaces with a single space in C#?

How can I replace multiple spaces in a string with only one space in C#? 24 Answers 24...
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What is the copy-and-swap idiom?

... std::swap(this_string, that) doesn't provide a no-throw guarantee. It provides strong exception safety, but not a no-throw guarantee. – wilhelmtell Dec 22 '10 at 14:59 ...
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How can I find the last element in a List?

...on, how to address the last element of a List safely... Assuming List<string> myList = new List<string>(); Then //NOT safe on an empty list! string myString = myList[myList.Count -1]; //equivalent to the above line when Count is 0, bad index string otherString = myList[-1]; "coun...
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Base64: What is the worst possible increase in space usage?

If a server received a base64 string and wanted to check it's length before converting,, say it wanted to always permit the final byte array to be 16KB. How big could a 16KB byte array possibly become when converted to a Base64 string (assuming one byte per character)? ...
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How to install latest version of git on CentOS 7.x/6.x

...the flowing command: yum --disablerepo=base,updates --enablerepo=rpmforge-extras install git If you already have git installed then use: yum --disablerepo=base,updates --enablerepo=rpmforge-extras update git Related question(s): Facing issues while upgrading git to latest version on CentOS 6...
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What is the minimum I have to do to create an RPM file?

...ion: 1.0 Release: 1 Summary: Short description (first char has to be uppercase) License: GPL URL: www. your_website/ BuildRequires: package_required >= (or ==, or <=) 1.0.3 (for example) %description Description with almost 79 characters (first char h...
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How to get a tab character?

...ive to be more complete. When I tried the "pre" based answers, they added extra vertical line breaks as well. Each tab can be converted to a sequence non-breaking spaces which require no wrapping. "    " This is not recommended for repeated/extensive use...
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UUID max character length

... Section 3 of RFC4122 provides the formal definition of UUID string representations. It's 36 characters (32 hex digits + 4 dashes). Sounds like you need to figure out where the invalid 60-char IDs are coming from and decide 1) if you want to accept them, and 2) what the max length of...