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AWS MySQL RDS vs AWS DynamoDB [closed]

...r while MySQL is used for relational storage. You should pick what to use based on the actual needs of your application. In fact, some applications might be well served by using both. If, for example, you are storing data that does not lend itself well to a relational schema (tree structures, sche...
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What is a good Hash Function?

...( h ^ p[i] ) * 0x01000193; return h; } unsigned long long fnv_hash_1a_64 ( void *key, int len ) { unsigned char *p = key; unsigned long long h = 0xcbf29ce484222325ULL; int i; for ( i = 0; i < len; i++ ) h = ( h ^ p[i] ) * 0x100000001b3ULL; return h; } Edit: La...
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Execute Python script via crontab

...orial here. Look at point 3 for a guide on how to specify the frequency. Based on your requirement, it should effectively be: */10 * * * * /usr/bin/python script.py share | improve this answer ...
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Way to ng-repeat defined number of times instead of repeating over array?

... @sh0ber. When I need to change the list items based on the value selected in number dropdown. I tried your function first, when it is not working, I changed it to above to update the no. of list items when different number is selected in the dropdown. Can you please chec...
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How to validate an email address in PHP

...1\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{...
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Changing navigation bar color in Swift

...e one reference throughout your whole app for each colour and it'll update based on the user's selected "Theme" and without one it defaults to theme1(): import Foundation import UIKit struct Style { static let availableThemes = ["Theme 1","Theme 2","Theme 3"] static func loadTheme(){ let de...
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System.Timers.Timer vs System.Threading.Timer

...nt sinks at regular intervals. The class is intended for use as a server-based or service component in a multithreaded environment; it has no user interface and is not visible at runtime. System.Threading.Timer, which executes a single callback method on a thread pool thread at regular i...
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How To: Best way to draw table in console app (C#)

...n now find and improve the following code in github! I wrote this class based on some ideas here. The columns width is optimal, an it can handle object arrays with this simple API: static void Main(string[] args) { IEnumerable<Tuple<int, string, string>> authors = new[] { ...
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Any reason to clean up unused imports in Java, other than reducing clutter?

...lain this. After attempting to increase memory settings (this is running a 64 bit JVM on a 64 bit CentOS!) to something well beyond where the clients could compile, I examined the checkins one by one. There was an improper import that a developer had used and abandoned (they used the class, auto-im...
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Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions prop

... } string errorMessage = sb.ToString(); //Display or log the error based on your application. } share | improve this answer | follow | ...