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How to implement a unique index on two columns in rails
...t different syntax for specifying the columns.
– François Beausoleil
Nov 8 '10 at 13:30
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Usage of forceLayout(), requestLayout() and invalidate()
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To better understand answers provided by François BOURLIEUX and Dalvik I suggest you take a look at this awesome view lifecycle diagram by Arpit Mathur:
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Excel: last character/string match in a string
...ted Oct 17 '14 at 7:40
Jean-François Corbett
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answered Sep 4 '13 at 15:19
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Nullable Foreign Key bad practice?
...red Nov 12 '09 at 17:14
Patrik HägnePatrik Hägne
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What is Common Gateway Interface (CGI)?
...ed Jan 18 '10 at 21:23
Juha SyrjäläJuha Syrjälä
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Mark current Line, and navigate through marked lines
...rks and walk quickly from one to another.
– André Alçada Padez
Apr 19 '12 at 18:17
if you tell me this is impossible...
Catch multiple exceptions at once?
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Interesting idea and another example that VB.net has some interesting advantages over C# sometimes
– Michael Stum♦
Sep 25 '08 at 21:19
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The most efficient way to implement an integer based power function pow(int, int)
... (to share computations). For example, in the shortest addition chain for a¹⁵ above, the subproblem for a⁶ must be computed as (a³)² since a³ is re-used (as opposed to, say, a⁶ = a²(a²)², which also requires three multiplies).
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How to compare times in Python?
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You might want to flip the acceptance to Pär Wieslander's answer (and generally should wait a few more minutes than you did :P), as it's a bit more specific to exactly what you asked.
– Roger Pate
Dec 2 '09 at 8:40
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Creating a new DOM element from an HTML string using built-in DOM methods or Prototype
I have an HTML string representing an element: '<li>text</li>' . I'd like to append it to an element in the DOM (a ul in my case). How can I do this with Prototype or with DOM methods?
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