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How to get a random number in Ruby
...o simulate a roll of a six-sided die, you'd use: 1 + rand(6). A roll in craps could be simulated with 2 + rand(6) + rand(6).
Finally, if you just need a random float, just call rand with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its o...
boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
boost Composite keysComposite keysIn relational databases, composite keys depend on two or more fields of a given table The analogous concept in Boost MultiIndex is Composite keys
In relational databases, composite keys depend on two or more fields of a given table. The analogous concept in Boos...
How can I read inputs as numbers?
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TLDR
Python 3 doesn't evaluate the data received with input function, but Python 2's input function does (read the next section to understand the implication).
Python 2's equivalent of Python 3's input is the raw_input function.
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Copy folder structure (without files) from one location to another
... a clone of the structure of our multi-terabyte file server. I know that cp --parents can move a file and it's parent structure, but is there any way to copy the directory structure intact?
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Skip a submodule during a Maven build
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to get UTF-8 working in Java webapps?
...t, when the user writes the following to the address bar of the browser:
https://localhost:8443/ID/Users?action=search&name=*ж*
the character ж is handled as UTF-8 and is encoded to (usually by the browser before even getting to the server) as %D0%B6.
POST request are not affected by this...
Find running median from a stream of integers
Solution I have read: We can use a max heap on left side to represent elements that are less than the effective median, and a min heap on right side to represent elements that are greater than the effective median.
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How to get progress from XMLHttpRequest
... total size of the bytes the browser is going to receive.
For more go to https://developer.mozilla.org/en/Using_XMLHttpRequest .
Example:
My server script reads a zip file (it takes 5 seconds):
$filesize=filesize('test.zip');
header("Content-Length: " . $filesize); // set header length
// if th...
Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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I was stuck after I uninstalled rvm with
rvm implode
then after reinstalling rvm it received the same error message.
After looking through wayne seguin's git hub page. He lists tools on his page and recommended using
rvm reset
after an installation. This fixed my er...
Using Razor within JavaScript
Is it possible or is there a workaround to use Razor syntax within JavaScript that is in a view ( cshtml )?
12 Answers
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