Tuesday, October 20, 2020

Practical AI Notes - for own use

Supervised Machine Learning Algorithms - Decision Tree

  1. Decision Tree is a white box technique where the resulting model is interpretable.
  2. Scaling is not necessary but categorical and missing data must be handled in data preprocessing stage.
  3. Nonetheless, the default hyperparameter value, will lead to fully grown tree which will overfit.
  4. Pre-pruning can be applied to limit the growth of the tree by setting the following hyperparameters:
    • max_depth - Maximum depth of the tree 
    • max_leaf nodes - Maximum of leaves of the tree.

Thursday, February 5, 2015

Top 15 Javascript Libraries next projects

Link: http://codegeekz.com/top-15-javascript-libraries-next-projects/

Wednesday, September 3, 2014

SSRS Tutorials

http://ssrstutorials.blogspot.com/2012/07/ssrs-tutorials.html

Friday, February 14, 2014

What is Project Management

This write up will actually for my own reference on things that I have learnt on project managements.

Notes:

  1. Project Management - Deals with properly planning, executing, monitoring and controlling the engineering activities to meet the project goals for scope, cost, schedule, quality/performance and other factors.
  2. Is both an art and a science
    • The art is strongly tied to the interpersonal aspects; the business of leading people
    • The science includes understanding of project management processes, and the associated tools & techniques available today.

Wednesday, August 8, 2012

IIS 6.0 Management Compataility

My colleague ran into this issue when trying to open a WCF service in Visual Studio 2010 in Windows 7.
I encountered this before and I remembered installing the IIS 6.0 Management Compatability solves the problem.

So try my usual way of Googl-ing and found this steps.

Install the IIS 6.0 Management Compatibility Components in Windows 7 or in Windows Vista from Control Panel
  1. Click Start, click Control Panel, click Programs and Features, and then click Turn Windows features on or off.
  2. Open Internet Information Services.
  3. Open Web Management Tools.
  4. Open IIS 6.0 Management Compatibility.
  5. Click to select the IIS 6 Metabase and IIS 6 configuration compatibility, IIS 6 WMI Compatibility, and IIS 6 Management Console check boxes.
  6. Click OK.

Sunday, August 5, 2012

Custom Date and Time Format Strings

http://msdn.microsoft.com/en-us/library/8kb3ddd4.aspx

Format specifierDescriptionExamples
"d"The day of the month, from 1 through 31.
More information: The "d" Custom Format Specifier.
6/1/2009 1:45:30 PM -> 1
6/15/2009 1:45:30 PM -> 15
"dd"The day of the month, from 01 through 31.
More information: The "dd" Custom Format Specifier.
6/1/2009 1:45:30 PM -> 01
6/15/2009 1:45:30 PM -> 15
"ddd"The abbreviated name of the day of the week.
More information: The "ddd" Custom Format Specifier.
6/15/2009 1:45:30 PM -> Mon (en-US)
6/15/2009 1:45:30 PM -> Пн (ru-RU)
6/15/2009 1:45:30 PM -> lun. (fr-FR)
"dddd"The full name of the day of the week.
More information: The "dddd" Custom Format Specifier.
6/15/2009 1:45:30 PM -> Monday (en-US)
6/15/2009 1:45:30 PM -> понедельник (ru-RU)
6/15/2009 1:45:30 PM -> lundi (fr-FR)
"f"The tenths of a second in a date and time value.
More information: The "f" Custom Format Specifier.
6/15/2009 13:45:30.617 -> 6
6/15/2009 13:45:30.050 -> 0
"ff"The hundredths of a second in a date and time value.
More information: The "ff" Custom Format Specifier.
6/15/2009 13:45:30.617 -> 61
6/15/2009 13:45:30.005 -> 00
"fff"The milliseconds in a date and time value.
More information: The "fff" Custom Format Specifier.
6/15/2009 13:45:30.617 -> 617
6/15/2009 13:45:30.0005 -> 000
"ffff"The ten thousandths of a second in a date and time value.
More information: The "ffff" Custom Format Specifier.
6/15/2009 13:45:30.6175 -> 6175
6/15/2009 13:45:30.00005 -> 0000
"fffff"The hundred thousandths of a second in a date and time value.
More information: The "fffff" Custom Format Specifier.
6/15/2009 13:45:30.61754 -> 61754
6/15/2009 13:45:30.000005 -> 00000
"ffffff"The millionths of a second in a date and time value.
More information: The "ffffff" Custom Format Specifier.
6/15/2009 13:45:30.617542 -> 617542
6/15/2009 13:45:30.0000005 -> 000000
"fffffff"The ten millionths of a second in a date and time value.
More information: The "fffffff" Custom Format Specifier.
6/15/2009 13:45:30.6175425 -> 6175425
6/15/2009 13:45:30.0001150 -> 0001150
"F"If non-zero, the tenths of a second in a date and time value.
More information: The "F" Custom Format Specifier.
6/15/2009 13:45:30.617 -> 6
6/15/2009 13:45:30.050 -> (no output)
"FF"If non-zero, the hundredths of a second in a date and time value.
More information: The "FF" Custom Format Specifier.
6/15/2009 13:45:30.617 -> 61
6/15/2009 13:45:30.005 -> (no output)
"FFF"If non-zero, the milliseconds in a date and time value.
More information: The "FFF" Custom Format Specifier.
6/15/2009 13:45:30.617 -> 617
6/15/2009 13:45:30.0005 -> (no output)
"FFFF"If non-zero, the ten thousandths of a second in a date and time value.
More information: The "FFFF" Custom Format Specifier.
6/1/2009 13:45:30.5275 -> 5275
6/15/2009 13:45:30.00005 -> (no output)
"FFFFF"If non-zero, the hundred thousandths of a second in a date and time value.
More information: The "FFFFF" Custom Format Specifier.
6/15/2009 13:45:30.61754 -> 61754
6/15/2009 13:45:30.000005 -> (no output)
"FFFFFF"If non-zero, the millionths of a second in a date and time value.
More information: The "FFFFFF" Custom Format Specifier.
6/15/2009 13:45:30.617542 -> 617542
6/15/2009 13:45:30.0000005 -> (no output)
"FFFFFFF"If non-zero, the ten millionths of a second in a date and time value.
More information: The "FFFFFFF" Custom Format Specifier.
6/15/2009 13:45:30.6175425 -> 6175425
6/15/2009 13:45:30.0001150 -> 000115
"g", "gg"The period or era.
More information: The "g" or "gg" Custom Format Specifier.
6/15/2009 1:45:30 PM -> A.D.
"h"The hour, using a 12-hour clock from 1 to 12.
More information: The "h" Custom Format Specifier.
6/15/2009 1:45:30 AM -> 1
6/15/2009 1:45:30 PM -> 1
"hh"The hour, using a 12-hour clock from 01 to 12.
More information: The "hh" Custom Format Specifier.
6/15/2009 1:45:30 AM -> 01
6/15/2009 1:45:30 PM -> 01
"H"The hour, using a 24-hour clock from 0 to 23.
More information: The "H" Custom Format Specifier.
6/15/2009 1:45:30 AM -> 1
6/15/2009 1:45:30 PM -> 13
"HH"The hour, using a 24-hour clock from 00 to 23.
More information: The "HH" Custom Format Specifier.
6/15/2009 1:45:30 AM -> 01
6/15/2009 1:45:30 PM -> 13
"K"Time zone information.
More information: The "K" Custom Format Specifier.
With DateTime values:
6/15/2009 1:45:30 PM, Kind Unspecified ->
6/15/2009 1:45:30 PM, Kind Utc -> Z
6/15/2009 1:45:30 PM, Kind Local -> -07:00 (depends on local computer settings)
With DateTimeOffset values:
6/15/2009 1:45:30 AM -07:00 --> -07:00
6/15/2009 8:45:30 AM +00:00 --> +00:00
"m"The minute, from 0 through 59.
More information: The "m" Custom Format Specifier.
6/15/2009 1:09:30 AM -> 9
6/15/2009 1:09:30 PM -> 9
"mm"The minute, from 00 through 59.
More information: The "mm" Custom Format Specifier.
6/15/2009 1:09:30 AM -> 09
6/15/2009 1:09:30 PM -> 09
"M"The month, from 1 through 12.
More information: The "M" Custom Format Specifier.
6/15/2009 1:45:30 PM -> 6
"MM"The month, from 01 through 12.
More information: The "MM" Custom Format Specifier.
6/15/2009 1:45:30 PM -> 06
"MMM"The abbreviated name of the month.
More information: The "MMM" Custom Format Specifier.
6/15/2009 1:45:30 PM -> Jun (en-US)
6/15/2009 1:45:30 PM -> juin (fr-FR)
6/15/2009 1:45:30 PM -> Jun (zu-ZA)
"MMMM"The full name of the month.
More information: The "MMMM" Custom Format Specifier.
6/15/2009 1:45:30 PM -> June (en-US)
6/15/2009 1:45:30 PM -> juni (da-DK)
6/15/2009 1:45:30 PM -> uJuni (zu-ZA)
"s"The second, from 0 through 59.
More information: The "s" Custom Format Specifier.
6/15/2009 1:45:09 PM -> 9
"ss"The second, from 00 through 59.
More information: The "ss" Custom Format Specifier.
6/15/2009 1:45:09 PM -> 09
"t"The first character of the AM/PM designator.
More information: The "t" Custom Format Specifier.
6/15/2009 1:45:30 PM -> P (en-US)
6/15/2009 1:45:30 PM -> 午 (ja-JP)
6/15/2009 1:45:30 PM -> (fr-FR)
"tt"The AM/PM designator.
More information: The "tt" Custom Format Specifier.
6/15/2009 1:45:30 PM -> PM (en-US)
6/15/2009 1:45:30 PM -> 午後 (ja-JP)
6/15/2009 1:45:30 PM -> (fr-FR)
"y"The year, from 0 to 99.
More information: The "y" Custom Format Specifier.
1/1/0001 12:00:00 AM -> 1
1/1/0900 12:00:00 AM -> 0
1/1/1900 12:00:00 AM -> 0
6/15/2009 1:45:30 PM -> 9
"yy"The year, from 00 to 99.
More information: The "yy" Custom Format Specifier.
1/1/0001 12:00:00 AM -> 01
1/1/0900 12:00:00 AM -> 00
1/1/1900 12:00:00 AM -> 00
6/15/2009 1:45:30 PM -> 09
"yyy"The year, with a minimum of three digits.
More information: The "yyy" Custom Format Specifier.
1/1/0001 12:00:00 AM -> 001
1/1/0900 12:00:00 AM -> 900
1/1/1900 12:00:00 AM -> 1900
6/15/2009 1:45:30 PM -> 2009
"yyyy"The year as a four-digit number.
More information: The "yyyy" Custom Format Specifier.
1/1/0001 12:00:00 AM -> 0001
1/1/0900 12:00:00 AM -> 0900
1/1/1900 12:00:00 AM -> 1900
6/15/2009 1:45:30 PM -> 2009
"yyyyy"The year as a five-digit number.
More information: The "yyyyy" Custom Format Specifier.
1/1/0001 12:00:00 AM -> 00001
6/15/2009 1:45:30 PM -> 02009
"z"Hours offset from UTC, with no leading zeros.
More information: The "z" Custom Format Specifier.
6/15/2009 1:45:30 PM -07:00 -> -7
"zz"Hours offset from UTC, with a leading zero for a single-digit value.
More information: The "zz" Custom Format Specifier.
6/15/2009 1:45:30 PM -07:00 -> -07
"zzz"Hours and minutes offset from UTC.
More information: The "zzz" Custom Format Specifier.
6/15/2009 1:45:30 PM -07:00 -> -07:00
":"The time separator.
More information: The ":" Custom Format Specifier.
6/15/2009 1:45:30 PM -> : (en-US)
6/15/2009 1:45:30 PM -> . (it-IT)
6/15/2009 1:45:30 PM -> : (ja-JP)
"/"The date separator.
More Information: The "/" Custom Format Specifier.
6/15/2009 1:45:30 PM -> / (en-US)
6/15/2009 1:45:30 PM -> - (ar-DZ)
6/15/2009 1:45:30 PM -> . (tr-TR)
"string"
'string'
Literal string delimiter. 6/15/2009 1:45:30 PM ("arr:" h:m t) -> arr: 1:45 P
6/15/2009 1:45:30 PM ('arr:' h:m t) -> arr: 1:45 P
%Defines the following character as a custom format specifier.
More information: Using Single Custom Format Specifiers.
6/15/2009 1:45:30 PM (%h) -> 1
\The escape character.6/15/2009 1:45:30 PM (h \h) -> 1 h
Any other characterThe character is copied to the result string unchanged.
More information: Using the Escape Character.
6/15/2009 1:45:30 AM (arr hh:mm t) -> arr 01:45 A