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Encrypt and decrypt a string in C#?

...yptKey, byte[] authKey, byte[] nonSecretPayload = null) { //User Error Checks if (cryptKey == null || cryptKey.Length != KeyBitSize / 8) throw new ArgumentException(String.Format("Key needs to be {0} bit!", KeyBitSize), "cryptKey"); if (authKey == null || authKey.Lengt...
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When saving, how can you check if a field has changed?

...sary. – Frank Pape Aug 26 '16 at 15:05  |  show 2 more comme...
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convert_tz returns null

... You can use the force flag to override any errors you run into as well: mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root --force -p mysql – scum Mar 22 '14 at 14:04 ...
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Where does Console.WriteLine go in ASP.NET?

...t if a process doesn't have an associated console, Console.Out and Console.Error are backed by Stream.Null (wrapped inside a TextWriter), which is a dummy implementation of Stream that basically ignores all input, and gives no output. So it is conceptually equivalent to /dev/null, but the implement...
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Error 1022 - Can't write; duplicate key in table

I'm getting a 1022 error regarding duplicate keys on create table command. Having looked at the query, I can't understand where the duplication is taking place. Can anyone else see it? ...
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How to save an HTML5 Canvas as an image on a server?

... I get an error on Web Console. [16:53:43.227] SecurityError: The operation is insecure. @ sharevi.com/staging/canvas.html:43 the This connection is insecure. Is there something that needs to be done?/// UPDATE I think i know why, i wa...
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How do I get the directory that a program is running from?

... There is a small error, but unfortunately I can't edit yet.. line 10: cCurrentpath: should be cCurrentPath – Lipis Dec 20 '09 at 14:56 ...
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How can I build a small operating system on an old desktop computer? [closed]

... answered Aug 3 '09 at 22:05 Paul NathanPaul Nathan 37.3k2828 gold badges108108 silver badges201201 bronze badges ...
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Hashing a dictionary?

... answered Jan 3 '12 at 15:05 jomidojomido 1,0401212 silver badges1717 bronze badges ...
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AngularJS access scope from outside js function

...e that will be enough to signal to Angular to make the changes. Numerous errors occur when trying to use the $apply function while AngularJs is currently in its $digest stage. The safeApply code above is a safe wrapper to prevent such errors. (note: I personally like to chuck in safeApply as a f...