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What is the difference between trie and radix trie data structures?
Are the trie and radix trie data structures the same thing?
3 Answers
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One Activity and all other Fragments [closed]
I am thinking of implementing one screen with Activity and all other sreens with Fragments and managing all the fragments thru the activity .
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What is the fastest way to get the value of π?
... fastest π I know of is the one with the digits hard coded. Looking at Pi and Pi[PDF], there are a lot of formulae.
Here is a method that converges quickly — about 14 digits per iteration. PiFast, the current fastest application, uses this formula with the FFT. I'll just write the formula, since...
How to replace captured groups only?
I have HTML code before and after the string:
5 Answers
5
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find vs find_by vs where
...is used as a helper when you're searching for information within a column, and it maps to such with naming conventions. For instance, if you have a column named name in your database, you'd use the following syntax:
Model.find_by(name: "Bob")
.where is more of a catch all that lets you use a bit...
fatal: early EOF fatal: index-pack failed
I have googled and found many solutions but none work for me.
31 Answers
31
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How can I export tables to Excel from a webpage [closed]
...s to Excel from a webpage. I want the export to contain all the formatting and colours.
14 Answers
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Can You Get A Users Local LAN IP Address Via JavaScript?
I know the initial reaction to this question is "no" and "it can't be done" and "you shouldn't need it, you are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as muc...
C: What is the difference between ++i and i++?
In C, what is the difference between using ++i and i++ , and which should be used in the incrementation block of a for loop?
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jQuery Tips and Tricks
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Creating an HTML Element and keeping a reference
var newDiv = $("<div />");
newDiv.attr("id", "myNewDiv").appendTo("body");
/* Now whenever I want to append the new div I created,
I can just reference it from the "newDiv" variable */
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