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Time complexity of Sieve of Eratosthenes algorithm
...per bound of O(n log log n) + O(n) = O(n log log n) arithmetic operations. If you count bit operations, since you're dealing with numbers up to n, they have about log n bits, which is where the factor of log n comes in, giving O(n log n log log n) bit operations.
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What is “Orthogonality”?
...t instruction happens (very important for debugging).
There is also a specific meaning when referring to instruction sets.
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Select values from XML field in SQL Server 2008
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You must use .nodes() and cross apply if xmlField contains more than one <person> elements.
– Remus Rusanu
May 22 '09 at 18:45
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What do pty and tty mean?
...rce projects, could someone can tell me what do they mean and what is the difference between them? Thanks!
5 Answers
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How to paginate with Mongoose in Node.js?
...isappointed by the accepted answers in this question. This will not scale. If you read the fine print on cursor.skip( ):
The cursor.skip() method is often expensive because it requires the server to walk from the beginning of the collection or index to get the offset or skip position before begi...
Get all table names of a particular database by SQL query?
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Probably due to the way different sql dbms deal with schemas.
Try the following
For SQL Server:
SELECT TABLE_NAME
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_CATALOG='dbName'
For MySQL:
SELECT TABLE_NAME
FROM INFOR...
YAML Multi-Line Arrays
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is it an issue if the strings start with a - (e.g. options passed in the command line)? do I then have to quote? ` - "-myarg"`?
– ekkis
Mar 16 '17 at 23:31
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What is the boundary in multipart/form-data?
...ead below.
Is it possible for me to define the ??? as abcdefg?
Yes.
If you want to send the following data to the web server:
name = John
age = 12
using application/x-www-form-urlencoded would be like this:
name=John&age=12
As you can see, the server knows that parameters are separa...
What is Data URI support like in major email client software?
...m curious why Outlook 2003 works but not any of the later versions. Also, if Chrome the browser shows data URIs why such a link in email does not show correctly in the same Chrome browser.
– Old Geezer
Dec 16 '13 at 0:49
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How to send a correct authorization header for basic authentication
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If you are in a browser environment you can also use btoa.
btoa is a function which takes a string as argument and produces a Base64 encoded ASCII string. Its supported by 97% of browsers.
Example:
> "Basic " + btoa("bi...