Tutorial by Examples: nf

When we query our data, we often need more than one filter to get the exact data set we are looking for. In SQL, we handle this with AND and OR clauses. We can achieve the same thing with collections. To add an AND clause to your query, just simply add another method call. This will append the seco...

just execute uname -a. On Arch: $ uname -a Linux nokia 4.6.4-1-ARCH #1 SMP PREEMPT Mon Jul 11 19:12:32 CEST 2016 x86_64 GNU/Linuxenter code here

There exist cases in which it is necessary to put data of different types together. In Azure ML for example, it is necessary to pass informations from a R script module to another one exclusively throught dataframes. Suppose we have a dataframe and a number: > df name height team...

Visual Studio (IDE) WPA (performance analyzer) WinDbg (debugger) IDA Pro (disassembler) dotPeek (decompiler for .NET) WinMerge (diff tool) HxD or 010 editor (hex editor) Speedcrunch (calculator) Firefox (browser) Rohitab API monitor (API call monitoring) SOS (a WinDbg extension for .NET)...

The main reason that Nightwatch is so powerful, is because of it's excellent configuration file. Unlike most other testing frameworks, Nightwatch is fully configurable and customizable to different environments and technology stacks. .meteor/nightwatch.json The following configuration file is for...

[root@localhost ~]# docker inspect d87bf9607836 "Mounts": [ { "Name": "cdf78fbf79a7c9363948e133abe4c572734cd788c95d36edea0448094ec9121c", "Source": "/var/lib/docker/volumes/cdf78fbf79a7c9363948e133abe4c572734cd788c95d36edea0448094ec9121c/_data&quot...

While each mobile platforms do offer their own settings management api, there are no built in ways to read settings from a good old .net style app.config xml file; This is due to a bunch of good reasons, notably the .net framework configuration management api being on the heavyweight side, and each...

The state of an object at a given time is represented by the information that it holds at that point. In an OO language, the state is implemented as member variables. In a properly designed object, the state can be changed only by means of calls to its methods and not by direct manipulation of its ...

Eclipse would provide its own embedded Maven enviroment out-of-the-box, which is not recommended whenever a certain Maven version must be used or further configuration must be performed (proxy, mirrors and so on): that is, to have full control over which Maven environment would be used by the IDE. ...

A confusion matrix can be used to evaluate a classifier, based on a set of test data for which the true values are known. It is a simple tool, that helps to give a good visual overview of the performance of the algorithm being used. A confusion matrix is represented as a table. In this example we w...

Using the --config flag. $ /bin/mongod --config /etc/mongod.conf $ /bin/mongos --config /etc/mongos.conf Note that -f is the shorter synonym for --config.

Configuring a private registry to use an AWS S3 backend is easy. The registry can do this automatically with the right configuration. Here is an example of what should be in your config.yml file: storage: s3: accesskey: AKAAAAAACCCCCCCBBBDA secretkey: rn9rjnNuX44iK+26qpM4cDEo...

Triggers are an easy way to add some UX responsiveness to your application. One easy way to do this is to add a Trigger which changes a Label's TextColor based on whether its related Entry has text entered into it or not. Using a Trigger for this allows the Label.TextColor to change from gray (when...

Open the file App_Start/WebApiConfig.cs. Add the following using statements: using ProductService.Models; using System.Web.OData.Builder; using System.Web.OData.Extensions; Then add the following code to the Register method: public static class WebApiConfig { public static void Register...

<bindings > <wsHttpBinding > <binding name="mybinding" > <security mode="Transport" > <transport clientCredentialType="Basic"/ > </security > </binding > </wsHttpBinding > </bindings > ...

Get localized product information from a set of product identifier strings using SKProductsRequest: import StoreKit let productIdentifierSet = Set(["yellowSubmarine", "pennyLane"]) let productsRequest = SKProductsRequest(productIdentifiers: productIdentifierSet) In order ...

OpenSSH config files are used for configuration that should be applied every time the ssh client is run. Most command line options are possible to put in the config files. OpenSSH uses configuration from the following sources in order: Command line options User's configuration file ~/.ssh/confi...

HTTPS HTTPS (also called HTTP over TLS,[1][2] HTTP over SSL,[3] and HTTP Secure[4][5]) is a protocol for secure communication over a computer network which is widely used on the Internet. HTTPS consists of communication over Hypertext Transfer Protocol (HTTP) within a connection encrypted by Transp...

DayPilot Scheduler widget displays a time line for multiple resources. Supports AJAX and HTML5. Automatic and manual localization. Full CSS styling support

ProGuard allows the developer to obfuscate, shrink and optimize his code. #1 The first step of the procedure is to enable proguard on the build. This can be done by setting the 'minifyEnabled' command to true on your desired build #2 The second step is to specify which proguard files are we using...