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Graphviz: How to go from .dot to a graph?

...neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there. You can change the output format by varying the value after -T and choosing an appropriate filename extension after -o. If you're using windows, check out the installed tool called GVEdit, it ma...
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Android: Clear the back stack

... to the foreground, and then clear it to its root state. This is especially useful, for example, when launching an activity from the notification manager. So your code to launch A would be: Intent intent = new Intent(this, A.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Inten...
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Repeat Character N Times

... The loop method may be faster but its more verbose. Plus I'm puzzled by all the upvotes for the first comment, considering that when this is generally going to be useful when the Array length is variable, e.g. Array(rawValue.length + 1).join("*") – Dexygen J...
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Convert seconds to Hour:Minute:Second

... here you go function format_time($t,$f=':') // t = seconds, f = separator { return sprintf("%02d%s%02d%s%02d", floor($t/3600), $f, ($t/60)%60, $f, $t%60); } echo format_time(685); // 00:11:25 ...
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Measure and Benchmark Time for Ruby Methods

...justments to the system clock, so it's a best practice to use Process.clock_gettime(Process::CLOCK_MONOTONIC) instead. But for rough calculations this doesn't matter. blog.dnsimple.com/2018/03/elapsed-time-with-ruby-the-right-way – Patrick Brinich-Langlois Feb ...
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Extracting extension from filename in Python

... @klingt.net Well, in that case, .asd is really the extension!! If you think about it, foo.tar.gz is a gzip-compressed file (.gz) which happens to be a tar file (.tar). But it is a gzip file in first place. I wouldn't expect it to return the dual extension at all. ...
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How can I disable HREF if onclick is executed?

...ttribute: <a href="https://example.com/no-js-login" onclick="return yes_js_login();">Log in</a> yes_js_login = function() { // Your code here return false; } Example: https://jsfiddle.net/FXkgV/289/ ...
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Insert current date in datetime format mySQL

... NOW() is used to insert the current date and time in the MySQL table. All fields with datatypes DATETIME, DATE, TIME & TIMESTAMP work good with this function. YYYY-MM-DD HH:mm:SS Demonstration: Following code shows the usage of NOW() INSERT INTO auto_ins (MySQL_Function, DateTime, Date,...
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How to check what user php is running as?

... If available you can probe the current user account with posix_geteuid and then get the user name with posix_getpwuid. $username = posix_getpwuid(posix_geteuid())['name']; If you are running in safe mode however (which is often the case when exec is disabled), then it's unlikely tha...
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What is the best way to get all the divisors of a number?

... i += 1 if i >= nfactors: return The overall efficiency of this algorithm will depend entirely on the efficiency of the factorGenerator. share | improve this answer...