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Rails: how do I validate that something is a boolean?
...ct#blank? handles boolean values. false.blank? # => true"
I'm not sure if this will still be fine for Rails 3 though, hope that helped!
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How large should my recv buffer be when calling recv in the socket library
...uffer passed to recv()?
SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interactive one just pick a size that can hold the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is transferring bulk data, the...
Regex: ignore case sensitivity
...ion for your language/platform/tool to find how the matching modes are specified.
If you want only part of the regex to be case insensitive (as my original answer presumed), then you have two options:
Use the (?i) and [optionally] (?-i) mode modifiers:
(?i)G[a-b](?-i).*
Put all the variations (...
Chrome Extension - Get DOM content
...'m trying to access the activeTab DOM content from my popup. Here is my manifest:
3 Answers
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jQuery Popup Bubble/Tooltip [closed]
...s long as the mouse is over the item that threw the onmouseover event OR if the mouse is moved into the bubble. My bubble will need to have all manners of HTML and styling including hyperlinks, images, etc.
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Difference between CC, gcc and g++?
What are the difference between the 3 compilers CC, gcc, g++ when compiling
C and C++ code in terms of assembly
code generation, available libraries, language features, etc.?
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How do I access named capturing groups in a .NET Regex?
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You specify the named capture group string by passing it to the indexer of the Groups property of a resulting Match object.
Here is a small example:
using System;
using System.Text.RegularExpressions;
class Program
{
static vo...
Generate colors between red and green for a power meter?
... N steps, each step you increment X by (Y-X)/N - though it will look nicer if you move in the HSV space rather than RGB
– Paul Dixon
Sep 19 '14 at 15:44
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What's the difference of $host and $http_host in Nginx
In Nginx, what's the difference between variables $host and $http_host .
1 Answer
1...
Run a task every x-minutes with Windows Task Scheduler [closed]
...tes option for 24 hours.
The key here is to find the advanced properties. If you are using the XP wizard, it will only offer you to launch the advanced dialog once you created the task.
On more recent versions of Windows (7+ I think?):
Double click the task and a property window will show up.
Cl...