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Rails 3 datatypes?
...numbers.
primary_key - unique key that can uniquely identify each row in a table
string - is for small data types such as a title. (Should you choose string or text?)
text - is for longer pieces of textual data, such as a paragraph of information.
time - is for time only
timestamp - for storing dat...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...c...
You can look up the blocks of Unicode by type here:
http://unicode-table.com/en/
If you know you're translating Arabic or Telegu or whatever, you can just replace those codes, not all 65,000.
You could apply this same sledgehammer to simple encoding:
$str=str_replace("\u$hex",chr($i),$st...
Javascript Drag and drop for touch devices [closed]
...g both. When I turn on touch events in chrome, I am not able to scroll the table. Not even on mobile.
– Valay
Nov 17 '14 at 11:02
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Select first occurring element after another element
...<div> elements
If you want to learn more about selectors use this table
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Disable spell-checking on HTML textfields
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MDN has a table showing the default value of spellcheck for different browsers and elements: developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/…
– Paul
Jan 31 '17 at 17:39
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How do you modify a CSS style in the code behind file for divs in ASP.NET?
...S style attribute for a div based on the information I get from a database table in the code behind of my aspx page. The following is essentially what I am trying to do, but I get errors.
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Safe characters for friendly url [closed]
...Or in other words: You may use any (non-control-) character from the ASCII table, except /, ?, #, [ and ].
This understanding is backed by RFC1738 - Uniform Resource Locators (URL).
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Build tree array from flat array in javascript
... below )
Here it is:
const createDataTree = dataset => {
let hashTable = Object.create(null)
dataset.forEach( aData => hashTable[aData.ID] = { ...aData, childNodes : [] } )
let dataTree = []
dataset.forEach( aData => {
if( aData.parentID ) hashTable[aData.parentID]....
Generate random numbers following a normal distribution in C/C++
... algorithm has better performance than the others. However, it does not suitable for SIMD parallelism as it needs table lookup and branches. Box-Muller with SSE2/AVX instruction set is much faster (x1.79, x2.99) than non-SIMD version of ziggurat algorithm.
Therefore, I will suggest using Box-Muller...
Is there any difference between a GUID and a UUID?
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The binary encoding table embedded in the answer is very useful. Tnx
– Luciano
Mar 3 '16 at 18:37
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