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Converting an integer to a string in PHP
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// Explicit cast
$items = (string)$var; // $items === "5";
// Function call
$items = strval($var); // $items === "5";
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Calling a static method on a generic type parameter
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In this case you should just call the static method on the constrainted type directly. C# (and the CLR) do not support virtual static methods. So:
T.StaticMethodOnSomeBaseClassThatReturnsCollection
...can be no different than:
SomeBaseClass.StaticMet...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
... that each gene started with a fixed amount of money and could thus potentially go broke and be removed from the gene pool entirely.
After each evaluation of a population, the survivors were cross-bred randomly (by just mixing bits from two parents), with the likelihood of a gene being selected as ...
How to create named and latest tag in Docker?
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Clean up commands:
Docker 1.13 introduces clean-up commands. To remove all unused containers, images, networks and volumes:
docker system prune
or individually:
docker container prune
docker image prune
docker network prune
docker volume prune
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How to get past the login page with Wget?
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Make sure the --post-data parameter is properly percent-encoded (especially ampersands!) or the request will probably fail. Also make sure that user and password are the correct keys; you can find out the correct keys by sleuthing the HTML of the login page (look into your browser’s “inspect...
Binary Data in MySQL [closed]
...t to run this code, and it will also not work on a semi up to date PHP installation (which is version 5).
– Till
Sep 14 '08 at 14:21
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What is tail call optimization?
...il-call optimization is where you are able to avoid allocating a new stack frame for a function because the calling function will simply return the value that it gets from the called function. The most common use is tail-recursion, where a recursive function written to take advantage of tail-call op...
Is it possible to view bytecode of Class file? [duplicate]
Java source code is compiled into bytecode, which is actually in the class file. Is it possible to view bytecode of a compiled class?
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Indent multiple lines quickly in vi
... the pasted block with the surrounding text.
Also, the shiftwidth setting allows you to control how many spaces to indent.
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Node package ( Grunt ) installed but not available
...ild a github jquery-ui library using grunt , but after running npm install I still can't run the command according to the readme file . It just gives No command 'grunt' found :
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