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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
...where I was needing to update records in a many to many with a custom join table in a disconnected app. Even with the entity grabbed from the database, I was getting referential errors, etc. I was using "context.Entry(score).State = System.Data.Entity.EntityState.Modified;" but this finally worked...
Base64 encoding and decoding in client-side Javascript
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@OliverSalzburg Even less generate code table :) : var g={},k=String.fromCharCode,i;for(i=0;i<64;)g[k(i>61?(i&1)*4|43:i+[65,71,-4][i/26&3])]=i++;
– Mike
Jan 11 '16 at 22:58
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connecting to MySQL from the command line
...light security risk because it ends up in your command history and process tables. If you leave out the password it will ask you for it.
– dj_segfault
Feb 27 '11 at 7:16
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Difference between Pig and Hive? Why have both? [closed]
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Hive was designed to appeal to a community comfortable with SQL. Its philosophy was that we don't need yet another scripting language. Hive supports map and reduce transform scripts in the language of the user's choice (which can be embedded within SQL clauses). It is widel...
What is the format specifier for unsigned short int?
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Here is a good table for printf specifiers. So it should be %hu for unsigned short int.
And link to Wikipedia "C data types" too.
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Converting a Uniform Distribution to a Normal Distribution
...less efficient than other available methods.
Ziggurat is fine, but needs a table lookup (and some platform-specific tweaking due to cache size issues)
Ratio-of-uniforms is my favorite, only a few addition/multiplications and a log 1/50th of the time (eg. look there).
Inverting the CDF is efficient (...
Creating a segue programmatically
... derived class, call that method when the appropriate button is clicked or table row is selected or whatever.
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UITextField text change event
...ange method you can examine the contents of the textField, and reload your table view as needed.
You could use that and put calculateAndUpdateTextFields as your selector.
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Renew Provisioning Profile
...e second) is flagged as "managed by Xcode". The profile names
appear in a table with columns labelled: "Provisioning Profile", App ID, Status, and Actions.
The status for all three is "Active". First 1 and 3, the Actions column has a "Download"
button, and an "Edit" link. For 2, gthe Actions colu...
How do you UrlEncode without using System.Web?
...it to use as many plaintext characters as possible.
See this answer for a Table Comparing the various Encodings:
https://stackoverflow.com/a/11236038/555798
Line Breaks
All of them listed here (other than HttpUtility.HtmlEncode) will convert "\n\r" into %0a%0d or %0A%0D
Please feel free to edit t...