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Big O, how do you calculate/approximate it?
...sertion sort
O(n3) - Multiplying two n×n matrices by simple algorithm
O(cn) - Finding the (exact) solution to the traveling salesman problem using dynamic programming; determining if two logical statements are equivalent using brute force
O(n!) - Solving the traveling salesman problem via brute-...
Undoing a git rebase
...ou can rearrange your history into pretty much any shape whatsoever.
Have fun. :-)
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Commenting code in Notepad++
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123
CTRL+Q Block comment/uncomment.
See Keyboard And Mouse Shortcuts - Notepad++ Wiki.
...
Accessing an SQLite Database in Swift
...er and get a bit familiar with Swift in the process. You can find it here: https://github.com/chrismsimpson/SwiftSQLite.
var db = SQLiteDatabase();
db.open("/path/to/database.sqlite");
var statement = SQLiteStatement(database: db);
if ( statement.prepare("SELECT * FROM tableName WHERE Id = ?") !=...
How to get current formatted date dd/mm/yyyy in Javascript and append it to an input [duplicate]
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<input type="hidden" id="date"/>
<script>document.getElementById("date").value = n...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...e usage of braces and parentheses, see Scala Style Guide (page 21): http://www.codecommit.com/scala-style-guide.pdf
The recommended syntax for higher order methods calls is to always use braces, and to skip the dot:
val filtered = tupleList takeWhile { case (s1, s2) => s1 == s2 }
For "normal"...
Dropping Unique constraint from MySQL table
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123
You can DROP a unique constraint from a table using phpMyAdmin as requested as shown in the ta...
Using Html.ActionLink to call action on different controller
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Craig StuntzCraig Stuntz
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Can a local variable's memory be accessed outside its scope?
...ning references? Coincidentally that is the subject of today's blog post:
https://ericlippert.com/2011/06/23/ref-returns-and-ref-locals/
Why do we use stacks to manage memory? Are value types in C# always stored on the stack? How does virtual memory work? And many more topics in how the C# memory m...
Match whitespace but not newlines
...OINER
U+2060 WORD JOINER
U+FEFF ZERO WIDTH NON-BREAKING SPACE
Taken from https://en.wikipedia.org/wiki/White-space_character
The aforementioned Mongolian vowel separator isn't included for what is probably a good reason. It, along with 200C and 200D, occur within words (AFAIK), and therefore bre...