Tutorial by Examples: t

The extern keyword is used to declare methods that are implemented externally. This can be used in conjunction with the DllImport attribute to call into unmanaged code using Interop services. which in this case it will come with static modifier For Example: using System.Runtime.InteropServices; p...

Introduce environment variable VAGRANT_DEFAULT_PROVIDER export VAGRANT_DEFAULT_PROVIDER=vmware_fusion

Vagrant.configure("2") do |config| # ... other config up here config.vm.provider "vmware_fusion" end

vagrant up --provider vmware_workstation

vagrant up --provider virtualbox VirtualBox is the default provider for a vanilla Vagrant setup.

Instead of the usual loosely typed: @Html.ActionLink("Log in", "UserController", "LogIn") You can now make action links strongly typed: @Html.ActionLink("Log in", @typeof(UserController), @nameof(UserController.LogIn)) Now if you want to refactor your ...

vagrant snapshot save mysnapshot

#!/bin/bash NO_SNAPSHOTS="No snapshots have been taken yet" SNAPSHOT_OUTPUT=$(vagrant snapshot list | grep "${NO_SNAPSHOTS}") if [ -z "${SNAPSHOT_OUTPUT}" ]; then echo "Found some snapshots, going to remove them" for SNAPSHOT in $(vagrant snap...

vagrant snapshot restore mysnapshot

vagrant snapshot list

vagrant snapshot restore --no-provision mysnapshot

vagrant snapshot delete mysnapshot

NSString *testString = @"There are 42 sheep and 8672 cows."; NSError *error = nil; NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"(\\d+)" options:NSRegularExpressionCaseIns...

NSString *testString1 = @"(555) 123-5678"; NSString *testString2 = @"not a phone number"; NSError *error = nil; NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"^\\(\\d{3}\\) \\d{3}\\-\\d{4}$" ...

Versions Release Date VersionRelease Date8.2.4December 07, 20167.53December 07, 20166.38 (unsupported)February 24, 20165.23 (unsupported)August 11, 2010 Entity types In earlier versions of Drupal, the field system was only used on content types. Now, thanks to the Entity API, we can add fields...

Make sure you have ruby installed before installing rubygems, and then: Installing RubyGems Using apt-get on Ubuntu sudo apt-get install rubygems Installing RubyGems Using yum sudo yum install rubygems Manual Installation Method wget https://rubygems.org/rubygems/rubygems-2.6.6.tgz tar xv...

If perror is not flexible enough, you may obtain a user-readable error description by calling strerror from <string.h>. int main(int argc, char *argv[]) { FILE *fout; int last_error = 0; if ((fout = fopen(argv[1], "w")) == NULL) { last_error = errno; ...

Generates a storable representation of a value. This is useful for storing or passing PHP values around without losing their type and structure. To make the serialized string into a PHP value again, use unserialize(). Serializing a string $string = "Hello world"; echo serialize($s...

Add the following line to ViewDidLoad method: print(Realm.Configuration.defaultConfiguration.fileURL!) The line above will print the location to Xcode's console. Copy the file path, go to Finder → Go → Go to Folder... (or ⌘+⇧+G)→ paste the path and hit Go.

Log the realm file location using: NSLog(@"%@",[RLMRealmConfiguration defaultConfiguration].fileURL); The line above will print the location to Xcode's console. Copy the file path, go to Finder → Go → Go to Folder... (or ⌘+⇧+G)→ paste the path and hit Go.