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Knight's Shortest Path on Chessboard

...ce] := 0 // Distance from source to source Q := the set of all nodes in Graph // All nodes in the graph are unoptimized - thus are in Q while Q is not empty: // The main loop u := vertex in Q with smallest dist[] if dist[u] = infinity: ...
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Is it safe to use -1 to set all bits to true?

...its one (it has, of course)." -- whaat??? I thought the whole point was to set all bits to 1. That's how flags work..no?? You look at the bits. Who cares about the value? – mpen Aug 1 '10 at 21:11 ...
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Call Go functions from C

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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How can I delete all unversioned/ignored files/folders in my working copy?

.../dev/null || exit 1 svn status --no-ignore | grep '^[I?]' | cut -c 9- | # setting IFS to the empty string ensures that any leading or # trailing whitespace is not trimmed from the filename while IFS= read -r f; do # tell the user which file is being deleted. use printf # instead of echo be...
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Postfix日常维护队列管理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Postfix日常维护队列管理postfix有四种不同的邮件队列,并且由队列管理进程统一进行管理:  1. maildrop:本地邮件放置在maildrop中,同时也被拷贝到incoming中...postfix有四种不同的邮件队列,并且由队列管理进程统一进行管理: ...
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format statement in a string resource file

...t;Amount: %.2f%n for %d days</string> In your code: yourTextView.setText(String.format(getString(R.string.all), 3.12, 2)); share | improve this answer | follow ...
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Which characters are valid in CSS class names/selectors?

...rs/symbols are allowed within the CSS class selectors? I know that the following characters are invalid , but what characters are valid ? ...
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Convert hex to binary

I have ABC123EFFF. 22 Answers 22 ...
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Ukkonen's suffix tree algorithm in plain English

...riple is necessary to represent this information. The remainder was always set to 1 at the beginning of each step. The meaning of this was that the number of suffixes we had to actively insert at the end of each step was 1 (always just the final character). Now this is going to change. When we ins...
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How do I force “git pull” to overwrite local files?

How do I force an overwrite of local files on a git pull ? 45 Answers 45 ...