Tutorial by Examples

Often one wants to intermittently run one or more validation batches during the course of training a deep network. Typically the training data are fed by a queue while the validation data might be passed through the feed_dict parameter in sess.run(). tf.placeholder_with_default() is designed to work...

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One of the most important implementations of Dynamic Programming is finding out the Longest Common Subsequence. Let's define some of the basic terminologies first. Subsequence: A subsequence is a sequence that can be derived from another sequence by deleting some elements without changing the orde...

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Before reading this example, it is highly recommended that you read Introduction to Trie first. One of the easiest ways of implementing Trie is using linked list. Node: The nodes will consist of: Variable for End-Mark. Pointer Array to the next Node. The End-Mark variable will simply denot...

GCobol >>SOURCE FORMAT IS FIXED *> *************************************************************** *> Purpose: Demonstrate a merge pass *> Tectonics: cobc -x gnucobol-merge-sample.cob *> *************************************************************** ...

You can do neat things via the results of Array "comprehensions"... Like assign multiple variables... from the result of a looping for statement... [express,_] = (require x for x in ['express','underscore']) Or a syntactically sweet version of a "mapped" function call, etc.....

From Odata.org OData (Open Data Protocol) is an OASIS standard that defines the best practice for building and consuming RESTful APIs. OData helps you focus on your business logic while building RESTful APIs without having to worry about the approaches to define request and response headers, ...

Regular expression support for tust is provided by the regex crate, add it to your Cargo.toml: [dependencies] regex = "0.1" The main interface of the regex crate is regex::Regex: extern crate regex; use regex::Regex; fn main() { //"r" stands for "raw" str...

extern crate regex; use regex::Regex; fn main() { let rg = Regex::new(r"was (\d+)").unwrap(); // Regex::captures returns Option<Captures>, // first element is the full match and others // are capture groups match rg.captures("The year was 2016")...

extern crate regex; use regex::Regex; fn main() { let rg = Regex::new(r"(\d+)").unwrap(); // Regex::replace replaces first match // from it's first argument with the second argument // => Some string with numbers (not really) rg.replace("Some string ...

If you want to perform a user input validation of your textfield use the following code snippet: // MARK: - UITextFieldDelegate let allowedCharacters = CharacterSet(charactersIn:"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvxyz").inverted func textField(_ textField:...

First, Install gulp and gulp-htmlmin to project directory locally npm install --save-dev gulp gulp-htmlmin Then add the minify-html task to your gulpfile.js var gulp = require('gulp'); var htmlmin = require('gulp-htmlmin'); // Task to minify HTML gulp.task('minify-html', function() { retu...

A common approach to get the top most UIViewController is to get the RootViewController of your active UIWindow. I wrote an extension for this: extension UIApplication { func topViewController(_ base: UIViewController? = UIApplication.shared.keyWindow?.rootViewController) -> UIViewController ...

Using the NotificationCenter of iOS, which can be very powerful, you are able to intercept certain app-wide events: NotificationCenter.default.addObserver( self, selector: #selector(ViewController.do(_:)), name: NSNotification.Name.UIApplicationDidBecomeActive, o...

Before reading this example, it is required to have a brief idea on edge-relaxation. You can learn it from here Bellman-Ford Algorithm is computes the shortest paths from a single source vertex to all of the other vertices in a weighted digraph. Even though it is slower than Dijkstra's Algorithm, i...

First, Install gulp and del to project directory locally npm install --save-dev gulp del Then add the clean task to your gulpfile.js var gulp = require('gulp'); var del = require('del'); gulp.task('default', function() { }); // Task to delete target build folder gulp.task('clean', func...

In case of problems, enable the internal logger <nlog internalLogFile="c:\log.txt" internalLogLevel="Trace"> <targets> <!-- target configuration here --> </targets> <rules> <!-- log routing rules --> </rules&gt...

In case of problems, enable the internal logger. C# example: // set internal log level InternalLogger.LogLevel = LogLevel.Trace; // enable one of the targets: file, console, logwriter: // enable internal logging to a file (absolute or relative path. Don't use layout renderers) InternalL...