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Has anyone actually implemented a Fibonacci-Heap efficiently?
...ci heap.
I was able to compile dijkstra_heap_performance.cpp against a modified version of dijkstra_shortest_paths.hpp to compare Fibonacci heaps and binary heaps. (In the line typedef relaxed_heap<Vertex, IndirectCmp, IndexMap> MutableQueue, change relaxed to fibonacci.) I first forgot to ...
Xcode 4 - “Archive” is greyed out?
...t won’t let you archive a build for the simulator.
Or you may find that if the iOS device is already selected the archive box isn’t selected when you choose “Edit Schemes” => “Build”.
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Convert int to string?
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@TimothyGonzalez That's an edge case, if you call .ToString() its usually because you need it to be a string and it can be a string.
– EpicKip
Feb 15 '17 at 13:58
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How do I step out of a loop with Ruby Pry?
...t test run. It'll reset on the next test run.
– BBonifield
Aug 26 '15 at 19:33
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Recent file history in Vim?
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If you want to use 0-9 as marks for navigation,do not mark them manually
– yuan
Feb 1 '13 at 7:22
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How to select an option from drop down using Selenium WebDriver C#?
...nt, you need to include the Selenium Webdriver Support package which is a different NuGet package than the Selenium WebDriver. Include the namespace OpenQA.Selenium.Support.UI.
– James Lawruk
May 28 '13 at 19:33
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Copy table without copying data
...ncy. I've just been burned using this at scale, where we created about 50 different tables based off the same source table, at the same time as inserting into the source table from other processes. Basically caused a massive lock meltdown and had to restart MySQL.
– Mark B
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How to base64 encode image in linux bash / shell
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-w 0 this parameter is very important in many cases. Ex. If we are running directly into the command line. Thanks!
– Jayesh Dhandha
Jun 5 '18 at 5:21
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Remove new lines from string and replace with one empty space
... think you need to repeat \s. I think you can simply write '/\s+/'.
Also, if you want to remove whitespace first and last in the string, add trim.
With these modifications, the code would be:
$string = preg_replace('/\s+/', ' ', trim($string));
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uppercase first character in a variable with bash
...n) and it uses two substitutions compared to the best scored answer's one. If you absolutely must write legacy code, consider using a function instead of a subshell.
– Steve
Apr 13 '16 at 23:57
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