Rubber Sponge Goggles-These were made with the same eye pieces as the P/PH Helmets-in this case reveresed but can be found either way. Known as Spicer Goggles or "French" type and issued with Gas Helmets and SBRs. Two ytypes of gas goggeles were introduced in Aug 1915 and both were made by J Spicer, Both were manufactured into 1917 in about 3 million per type Both were made concurrently. There was also a Gas helmet with integral Gas Goggles known as the PHG which was manufactured in very low numbers for Artillery crews and Machine-gunners etc. I have a later version and will post photos when I have a chance. In around May/June 1916 and new pattern satchel was introduced with two pockets-one for the helmet and one for gas goggles. This variety is a single bag-sometimes known as the "old" Pattern. The satchel was introduced in August 1915 with the P Helmet. This is a complete Helmet set with Inner bag and satchel. In 1915 the material for helmets was changed to flannelette and not flannel. This example has inner flannelette in pajama material and also the back panel. This example has an elongated portion of flannellette commonly found on PH helmets. PH helmet (Jan 1916) is almost identical to P helmet. The inner layer of flannel is usually, not always, striped pajama flannel. The P helmet (Aug 1915) was made of two layers of flannelette (cotton) with an added mouth piece (rare surviving rubber mouth piece). A very similar bag was issuued for the black vieling resipirator. The carriers are original ("Cases, Helmet Flannel" as approved on 10 June 15 to the helmets. The Flannel was still single layer.īoth of the above helmets belonged/were issued to A/Sjt B Coates of the RE special Bde. The last batch of Hypo helmets (July 1915) used the screw-on glass eye pieces that would be standard on P and Ph helmets. (the very first helmets had mica windows but these were not too good). The hypo (May 1915) was single layer of flannel with the eye piece of the same material that Film stock is made out of. Thought some may like these-Here are some examples of Hypo, P and Ph helmets.
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Commonly these loopback addresses are mapped to the hostnames localhost or loopback. The most common IPv4 address used is 127.0.0.1. Various Internet Engineering Task Force (IETF) standards reserve the IPv4 address block 127.0.0.0/8, in CIDR notation and the IPv6 address ::1/128 for this purpose. Unix-like systems usually name this loopback interface lo or lo0. Any traffic that a computer program sends to a loopback IP address is simply and immediately passed back up the network software stack as if it had been received from another device. It is implemented entirely within the operating system's networking software and passes no packets to any network interface controller. Implementations of the Internet protocol suite include a virtual network interface through which network applications can communicate when executing on the same machine. For this purpose, a paperclip is used to short pin 2 to pin 3 (the receive and transmit pins) on a standard RS-232 interface using D-subminiature DE-9 or DB-25 connectors. It utilizes a terminal emulator application to send characters, with flow control set to off, to the serial port and receive the same back. Some devices include built-in loopback capability.Ī simple serial interface loopback test, called paperclip test, is sometimes used to identify serial ports of a computer and verify operation. This is a common troubleshooting technique and is often combined with a specialized test device that sends specific patterns and counts any errors that come back (see Bit Error Rate Test). Moving it to the far end of a modem link extends the test further. Moving this looping connection to the remote end of a cable adds the cable to this test. For example, a device's transmit pin connected to its receive pin will result in the device receiving exactly what it transmits. This is referred to as loopback or software loop.Ī serial communications transceiver can use loopback for testing its functionality. Media such as optical fiber or coaxial cable, which have separate transmit and receive connectors, can simply be looped together with a single strand of the appropriate medium.Ī modem can be configured to loop incoming signals from either the remote modem or the local terminal. In the case of a network termination connector such as X.21, this is typically done by simply connecting the pins together in the connector. If this device receives its own signal back, this proves that the circuit is functioning.Ī hardware loop is a simple device that physically connects the receiver channel to the transmitter channel. A circuit between two points in different locations may be tested by applying a test signal on the circuit in one location, and having the network device at the other location send a signal back through the circuit. This is called a loopback test and can be performed within a modem or transceiver by connecting its output to its own input. As a test, many data communication devices can be configured to send specific patterns (such as all ones) on an interface and can detect the reception of this signal on the same port. It is used as an aid in debugging physical connection problems. In telecommunications, loopback, or a loop, is a hardware or software method which feeds a received signal or data back to the sender. Where a system (such as a modem) involves round-trip analog-to-digital processing, a distinction is made between analog loopback, where the analog signal is looped back directly, and digital loopback, where the signal is processed in the digital domain before being re-converted to an analog signal and returned to the source. A patch cable may also function as loopback, when applied manually or automatically, remotely or locally, facilitating a loop-back test. Loop around is a method of testing between stations that are not necessarily adjacent, wherein two lines are used, with the test being done at one station and the two lines are interconnected at the distant station. In telecommunications, loopback devices perform transmission tests of access lines from the serving switching center, which usually does not require the assistance of personnel at the served terminal. Any message transmitted by such a channel is immediately and only received by that same channel. It may be a communication channel with only one communication endpoint. It is primarily a means of testing the communications infrastructure. Loopback (also written loop-back) is the routing of electronic signals or digital data streams back to their source without intentional processing or modification. Any unpaid portion not received by the due date will no longer form part of the equal payments plan and interest will accrue on that amount from the day after the date of your next statement at the applicable regular annual rate. Each month during an equal payments plan you are required to pay in full by the due date that month’s equal payments plan instalment. There is no administration fee charged for entering into a special payments plan. However, if we do not receive the full minimum due on a statement within 59 days of the date of that statement, or any event of default (other than a payment default) occurs under your Cardmember Agreement, all special payment plans on your account will terminate and (i) you will then be charged interest on the balances outstanding on such plans at the applicable regular annual rate from the day after the date of your next statement, and (ii) the balances outstanding will form part of the balance due on that statement. Interest does not accrue during the period of the plan. Dealers may sell for less.įinancing available is “Equal payments, no interest” for 24 months (unless otherwise stated) and is only available on request, on approved credit and on purchases of $150 (unless otherwise stated) or more (Gift Cards excluded) made with your Triangle credit card at Canadian Tire, Sport Chek, Mark’s, L’Équipeur, Atmosphere, Sports Rousseau, Hockey Experts, L’Entrepôt du Hockey and participating Sports Experts. **Online prices and sale effective dates may differ from those in-store and may vary by region. ±Was price reflects the last national regular price this product was sold for. The tire producer / manufacturer and Canadian Tire uses this fee to pay for the collection, transportation, and processing of used tires.ĬANADIAN TIRE® and the CANADIAN TIRE T riangle Design are registered trade-marks of Canadian Tire Corporation, Limited. △The tire producer / manufacturer of the tires you are buying, and Canadian Tire is responsible for the recycling fee that is included in your invoice. phar file locally and run it to use Drush. You could also install Drush via Composer globally ( composer global require drush/drush) and use it the same way, or even download a Drush 8. Sticking with Drush 8 on your hostĬurrently, if you run brew install drush (on a Mac), Homebrew will install a global version of Drush 8.1.15 in your $PATH so when you run drush you'll be able to access the full power of Drush locally, whenever and wherever you want. Manually managing your Drush aliases is usually the best choice, and the automatic alias generation is more of a convenience to help you get started. multisite or multiple codebases), or if you have any other specialized use case. I recommend you do this if you have more than one site in your VM (e.g. Note: You can disable Drupal VM's alias generation entirely by setting configure_drush_aliases: false in your Drupal VM config.yml. But if you work outside, on your host, then you'll have to make a decision on whether you want to stick to Drush 8 or move on to Drush Launcher and 'the new way of using Drush'. If you always work inside Drupal VM, there aren't many substantial changes you need to worry about. Drupal VM helpfully creates the config file if you don't already have one at ~/.drush/drush.yml: Note that Drush won't pick up custom global alias files like unless you also configure the new Drush config file to look in global paths. The aliases are configured similarly inside the VM (so you can use the same alias), but without the SSH connection details.ĭrupal VM defines these aliases in new Drush alias YAML files, inside ~/.drush/sites/. If you're outside the VM, you need to use a Drush alias to make sure Drush connects to the VM via SSH, then runs the command correctly inside.ĭrupal VM configures Drush aliases for you, for any hosts you have defined in apache_vhosts (or nginx_vhosts if that's your thing), and as an example, with all the default configuration, there's a global Drush alias defined, which you can use outside the VM (in your project folder) like drush cr. vagrant ssh or inside the Docker container), then you just use drush. Note that with Drupal VM, how you use Drush is affected by whether you're inside or outside the VM. Basically, installing Drush is as easy as composer require drush/drush, and then (if you have Drush Launcher installed), you can run drush while you're in your project's directory and Drush will 'just work'. There are so many reasons why this is a good idea (or in some cases the only way to get a working Drupal codebase), and one of them is the ease of integrating Drush with your Drupal site. If you haven't already, it's time to move your Drupal sites over to using Composer to manage the codebase. This blog post isn't about the why's of all the Drush 9 changes it's an explanation of how this affects Drupal VM, and how your workflow might (or might not!) be impacted by the Drush integration changes happening in Drupal VM 4.8. phar file), you now install Drush Launcher, and it detects and uses a site-local install of Drush (or a fallback version of Drush if you have one configured). And even the way you install Drush for system-wide use is much different-rather than installing a global copy of Drush (e.g. And global Drush aliases work a bit differently (I'll get to that soon). All the old standby's like drush cr and drush site-install remain and work as well as ever.īut things like using hook_drush_command() to register a new Drush command are radically altered-now you create annotated DrushCommands (see Porting Commands to Drush 9). It's now based on a number of smaller PHP libraries to provide things like CLI integration, command annotations, etc., and just like Drupal 8, the architecture behind the scenes has changed dramatically, while end-user changes have been (somewhat) minimal. Tl dr: Drupal VM 4.8.0 was just released, and it uses Drush 9 and Drush Launcher to usher in a new era of Drush integration!ĭrush has been Drupal's stable sidekick for many years even as Drupal core has seen major architectural changes from versions 4 to 5, 5 to 6, 6 to 7, and 7 to 8, Drush itself has continued to maintain an extremely stable core set of APIs and integrations for pretty much all the time I've been using it.īut as time has gone on, and the "getting off the island" philosophy has swept across much of the PHP world, Drush has jumped on that train for a major overhaul in Drush 9. There are many different open source licenses but they all must comply with the Open Source Definition - in brief: the software can be freely used, modified and shared. Programs released under this license can be used at no cost for both personal and commercial purposes. Open Source software is software with source code that anyone can inspect, modify or enhance. 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