Publishing Modules on the Puppet Forge
Publishing Modules on the Puppet Forge
The Puppet Forge is a repository of modules, written and contributed by users. This document describes how to publish your own modules to the Puppet Forge so that other users can install them.
- Continue reading to learn how to publish your modules to the Puppet Forge.
- See “Module Fundamentals” for how to write and use your own Puppet modules.
- See “Installing Modules” for how to install pre-built modules from the Puppet Forge.
- See “Using Plugins” for how to arrange plugins (like custom facts and custom resource types) in modules and sync them to agent nodes.
- See “Documenting Modules” for a README template and information on providing directions for your module.
Overview
This guide assumes that you have already written a useful Puppet module. To publish your module, you will need to:
- Create a Puppet Forge account, if you don’t already have one
- Prepare your module
- Write a Modulefile with the required metadata
- Build an uploadable tarball of your module
- Upload your module using the Puppet Forge’s web interface.
A Note on Module Names
Because many users have published their own versions of modules with common names (“mysql,” “bacula,” etc.), the Puppet Forge requires module names to have a username prefix. That is, if a user named “puppetlabs” maintained a “mysql” module, it would be known to the Puppet Forge as
puppetlabs-mysql
.Be sure to use this long name in your module’s Modulefile. However, you do not have to rename the module’s directory, and can leave the module in your active modulepath — the build action will do the right thing as long as the Modulefile is correct.
Another Note on Module Names
Although the Puppet Forge expects to receive modules named
username-module
, its web interface presents them asusername/module
. There isn’t a good reason for this, and we are working on reconciling the two; in the meantime, be sure to always use theusername-module
style in your metadata files and when issuing commands.
Create a Puppet Forge Account
Before you begin, you should create a user account on the Puppet Forge. You will need to know your username when preparing to publish any of your modules.
Start by navigating to the Puppet Forge website and clicking the “Sign Up” link in the sidebar:
Fill in your details. After you finish, you will be asked to verify your email address via a verification email. Once you have done so, you can publish modules to the Puppet Forge.
Prepare the Module
If you already have a Puppet module with the correct directory layout, you may continue to the next step.
Alternately, you can use the puppet module generate
action to generate a template layout. This is mostly useful if you need an example Modulefile and README, and also includes a copy of the spec_helper
tool for writing rspec-puppet tests. If you choose to do this, you will need to manually copy your module’s files into the template.
To generate a template, run puppet module generate <USERNAME>-<MODULE NAME>
. For example:
# puppet module generate examplecorp-mymodule
Generating module at /Users/fred/Development/examplecorp-mymodule
examplecorp-mymodule
examplecorp-mymodule/tests
examplecorp-mymodule/tests/init.pp
examplecorp-mymodule/spec
examplecorp-mymodule/spec/spec_helper.rb
examplecorp-mymodule/README
examplecorp-mymodule/Modulefile
examplecorp-mymodule/manifests
examplecorp-mymodule/manifests/init.pp
Note: This action is of limited use when developing a module from scratch, as the module must be renamed to remove the username prefix before it can be used with Puppet.
Write a Modulefile
In your module’s main directory, create a text file named Modulefile
. If you generated a template, you’ll already have an example Modulefile.
The Modulefile resembles a configuration or data file, but is actually a simple Ruby domain-specific language (DSL), which is executed when you build a tarball of the module. This means Ruby’s normal rules of string quoting apply:
name 'examplecorp-mymodule'
version '0.0.1'
dependency 'puppetlabs/mysql', '1.2.3'
description "This is a full description
of the module, and is being written as a multi-line string."
Modulefiles support the following pieces of metadata:
name
— REQUIRED. The full name of the module, including the username (e.g. “username-module” — see note above).version
— REQUIRED. The current version of the module. This should be a semantic version.summary
— REQUIRED. A one-line description of the module.description
— REQUIRED. A more complete description of the module.dependency
— A module that this module depends on. Unlike the other fields, thedependency
method accepts up to three comma-separated arguments: a module name (with a slash between the user and name, not a hyphen), a version requirement, and a repository. A Modulefile may include multipledependency
lines. See “Dependencies in the Modulefile” below for more details.project_page
— The module’s website.license
— The license under which the module is made available.author
— The module’s author. If not provided, this field will default to the username portion of the module’sname
field.source
— The module’s source. This field’s purpose is not specified.
Dependencies in the Modulefile
If you choose to rely on another Forge module, you can express this in the “dependency” field of your Modulefile:
dependency 'puppetlabs/stdlib', '>= 2.2.1'
Warning: The full name in a dependency must use a slash between the username and module name. This is different from the name format used elsewhere in the Modulefile. This is a legacy architecture problem with the Puppet Forge, and we apologize for the inconvenience. Our eventual plan is to allow full names with hyphens everywhere while continuing to allow names with slashes, then (eventually, much later) phase out names with slashes.
A Modulefile may have several dependency fields.
The version requirement in a dependency isn’t limited to a single version; you can use several operators for version comparisons. The following operators are available:
1.2.3
— A specific version.>1.2.3
— Greater than a specific version.<1.2.3
— Less than a specific version.>=1.2.3
— Greater than or equal to a specific version.<=1.2.3
— Less than or equal to a specific version.>=1.0.0 <2.0.0
— Range of versions; both conditions must be satisfied. (This example would match 1.0.1 but not 2.0.1)1.x
— A semantic major version. (This example would match 1.0.1 but not 2.0.1, and is shorthand for>=1.0.0 <2.0.0
.)1.2.x
— A semantic major & minor version. (This example would match 1.2.3 but not 1.3.0, and is shorthand for>=1.2.0 <1.3.0
.)
A Note on Semantic Versioning
When writing your Modulefile, you’re setting a version for your own module and optionally expressing dependancies on others’ module versions. We strongly recommend following the Semantic Versioning specification. Doing so allows others to rely on your modules without unexpected change.
Many other users already use semantic versioning, and you can take advantage of this in your modules’ dependencies. For example, if you depend on puppetlabs/stdlib and want to allow updates while avoiding breaking changes, you could write the following line in your Modulefile (assuming a current stdlib version of 2.2.1):
dependency 'puppetlabs/stdlib', '2.x'
Build Your Module
Now that the content and Modulefile are ready, you can build a package of your module by running the following command:
puppet module build <MODULE DIRECTORY>
This will generate a .tar.gz
package, which will be saved in the module’s pkg/
subdirectory.
For example:
# puppet module build /etc/puppetlabs/puppet/modules/mymodule
Building /etc/puppetlabs/puppet/modules/mymodule for release
/etc/puppetlabs/puppet/modules/mymodule/pkg/examplecorp-mymodule-0.0.1.tar.gz
Upload to the Puppet Forge
Now that you have a compiled tar.gz
package, you can upload it to the Puppet Forge. There is currently no command line tool for publishing; you must use the Puppet Forge’s web interface.
In your web browser, navigate to the Puppet Forge; log in if necessary.
Create a Module Page
If you have never published this module before, you must create a new page for it. Click on the “Publish a Module” link in the sidebar:
This will bring up a form for info about the new module. Only the “Module Name” field is required. Use the module’s short name, not the long username-module
name.
Clicking the “Publish Module” button at the bottom of the form will automatically navigate to the new module page.
Create a Release
Navigate to the module’s page if you are not already there, and click the “Click here to upload your tarball” link:
This will bring you to the upload form:
Click “Choose File” and use the file browser to locate and select the release tarball you created with the puppet module build
action. Then click the “Upload Release” link.
Your module has now been published to the Puppet Forge. The Forge will pull your README, Changelog, and License files from your tarball to display on your module’s page. To confirm that it was published correctly, you can install it on a new system using the puppet module install
action.
Release a New Version
To release a new version of an already published module, you will need to make any necessary edits to your module, and then increment the version
field in the Modulefile (ensuring you use a valid semantic version).
When you are ready to publish your new version, navigate to the Puppet Forge and log in if necessary. Click the “Upload a New Release” link:
This will bring you to the upload form as mentioned in Create a Release above, where you can select the new release tarball and upload the release.


By: Igniteflash
Thank you for purchasing my theme. If you have any questions that are beyond the scope of this help file, please feel free to email via my user page contact form here. Thanks so much!
This theme is a fixed layout based on the 960 Grid System. You can find more information about the 960 Grid System here. The 960 Grid system is a simple and efficient method for streamlining workflow. By setting a particular grid within your div tags you can set 1, 2, 3, 4, 6 columns for displaying your content. Below is an example of the 960 Grid system at its very basic:
When creating your grid layout often you will want your content to lay flush left and right with no margin. To do this just add the alpha and omega class to your grid class like so:
You can find all the css settings for the 960 grid inside the folder "html/css/grid.css". You probably wont have to modify much inside grid.css but you can if you have to.
I'm using several CSS files in this theme.
If you would like to edit a specific section of the site, simply find the appropriate label in the CSS file, and then scroll down until you find the appropriate style that needs to be edited.
This theme imports several Javascript files.
This theme includes a working out of the box Contact form. All the contact form Scripts, CSS and PHP are contained within the folder "html/contact". Just replace the current email address with your email address or multiple email addresses inside "html/contact/contactform.php":
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Piecemaker 2 is a Flash based 3D slider. You can make all the changes to this Slider in xml, including skinning, size, adding images, video or swf's. The xml is located in "html/piecemaker.xml". For more detailed information about the Piecemaker 2 or to download the source fla Click Here
This theme includes several Gallery options, 2, 3, 4 and 8 Column Sortable Galleries. Below is an example of the navigation code. You can add more Gallery buttons, just make sure the data-value has the new category name.
Below is an example of the Gallery content. You can add as many thumbnails you like, just duplicate the gallery thumbnail code, but make sure each new thumbnail has a unique data-id value. Also in the class enter the data-value given to the navigation button. You can display images(jpg, png, gif), video(vimeo or youtube) and swf's, just enter the path inside the href="".
I left the color selector in the pages for your convenience, to remove it open each html page, in code view scroll to the bottom and remove the block of code labeled "Slide Out".
I've used the following images, icons or other files as listed.
Once again, thank you so much for purchasing this theme. As I said at the beginning, I'd be glad to help you if you have any questions relating to this theme. No guarantees, but I'll do my best to assist. If you have a more general question relating to the themes on ThemeForest, you might consider visiting the forums and asking your question in the "Item Discussion" section.


Gears 5 update adds a new setting to sharpen graphics using AMD tech
by Paul LillyThere is a new update available for Gears 5, and with it comes an implementation of AMD's FidelityFX technology. When enabled, images should look sharper on PCs outfitted with either a Radeon or GeForce graphics card.
FidelityFX is AMD's open source image quality toolkit that is available to developers. It combines the Contrast Adaptive Sharpening (CAS) algorithm, which is a dynamic sharpening filter, with Luma Preserving Mapping (LPM) to sort of clean up images. Since it's open source, it's for all GPUs, not just Radeon cards. And according to AMD, there is not much of a performance penalty.
"FidelityFX automatically collapses multiple effects into fewer shader passes to reduce overhead and free up your GPU for the visceral experience you demand. This, in turn, frees up your graphics card to experience sharper visuals at virtually no performance loss," AMD says.
AMD also provided some screen comparisons showing two different scenes in Gears 5 with FidelityFX enabled and disabled. Have a look:
Image 1 of 4
Image 2 of 4
Image 3 of 4
Image 4 of 4
The effect is easier to see if you view the images at full size on 4K resolution display, though it's still noticeable on lower resolutions. There is a bit less blur, and in the second scene, the vegetation pops a bit more.
This is not mind blowing by any stretch—I doubt anyone is going to view the image comparisons and remove "fancy new graphics card" from their Black Friday deals shopping list just because this filter has found its way to Gears 5. But it is a visual upgrade, and we'll take it.
To use this, fire up Gears 5 and look for a new Sharpening setting in Video options (shown above) that says, "Use AMD FidelityFX Contrast-Adaptive Sharpening to increase the high frequency details in the scene. Higher values may have a minor effect on edge aliasing."
We have not done in-depth testing to see exactly what kind of performance hit this might add. But hey, if you want to give it a whirl, there you go.


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KOREAN BULGOGI BARBE ALA SABRINA
Here's how to make the dish
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From my kitchen to yours with love, Mwahhh! -S
Ingredients:
- boneless chicken cut in strips
- carrots
- onion in rings
- eggplant in strips
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mpstk: the MultiParty Session Types toolKit
mpstk is a toolkit
for specifying multiparty protocols
and verifying their properties
(e.g., deadlock-freedom and liveness).
mpstk is based on the
new, generalised theory of multiparty session types
presented in the companion paper:
Alceste Scalas and Nobuko Yoshida.
Less is More:
Multiparty Session Types Revisited.
POPL 2019.
Software requirements
NOTE: if you are using the preconfigured
virtual machine of the POPL'19 artifact, you can skip this
section and jump to the usage instructions.
The following software packages must be installed in order to
compile and use mpstk:
mpstk has been tested on GNU/Linux
(Ubuntu 16.04 and 18.04), and its code is written with portability
in mind. It should run on other operating systems (especially
Unix-like ones) with little or no adaptations.
Compiling
Simply run:
sbt package
The build system will automatically download
all mpstk dependencies (including the
Scala compiler, and its runtime).
Usage
Currently, mpstk provides two tools:
The toolkit supports two types of protocol specification:
-
global types
(file extension: .global),
with a syntax based on Definitions 3.1 (Table 1) and 2.4 of the
companion paper;
-
session typing contexts
(file extension: .ctx),
with a syntax based on Definitions 2.6 and 2.4 of the companion
paper.
mpstk includes various examples:
they are illustrated below.
Reproducing the results in the companion paper
Reproducing Tables 4 and 5
The following scripts allow to easily reproduce Tables 4 and 5 of
the companion paper (between parentheses, the expected
execution time on an Intel Core i7 CPU @3.60 GHz).
-
./bin/popl19-table4
(30 seconds).
Produces Table 4, except the first column,
with label “consistent”.
mpstk does not currently implement
consistency checks (Table 1, Definition 3.7), since the main
goal of the companion paper is to remove the need for
consistency. Note that one of the paper's result is that
consistency is subsumed by safety (Lemma 5.9), and the latter is
supported by the tool.
-
./bin/popl19-table5-fast
(90 seconds).
Produces a rough version of Table 5: no states count, and
measurements based on 3 repetitions (instead of 30).
-
./bin/popl19-table5
(15 minutes).
Produces the full contents of Table 5.
Note that the table includes the number of states of the
multiparty protocol being verified: this requires the
explicit generation of the protocol transition system
(via mCRL2's tool lps2lts),
which is a rather expensive operation.
In all cases, it is possible to save the results in CSV format,
simply by adding the option
--output-csv=<CSVFILE> when
invoking the scripts. For more details, see
./bin/mpstk verify --help.
Variations of Table 5
Table 5 in the companion paper measures the time needed
by mpstk to verify a specification
against a property; in particular, it measures the time needed to
invoke mCRL2's tool pbes2bool, and
retrieve its result. This is the dominating time in the
verification procedure.
mpstk can produce two other related
measurements, through the option
--benchmark-type=<T>
— where <T> can be either:
-
realtime: measures the wall clock
time used by mCRL2's pbes2bool tool,
without the overhead introduced by the JVM when calling external
programs. This benchmark type uses the
time utility,
available on all POSIX-compliant systems.
-
endtoend: measures the whole time
needed to parse a .global
or .ctx file, turn it into an mCRL2
specification, create the necessary temporary files, and perform
the verification. This measurement takes into account the
maximum overhead introduced by mpstk
internals.
The results of all benchmark variants should be very
similar: realtime should be (on
average) around 1% faster than the default benchmark,
while endtoend should be around 1%
slower.
Verifying other examples
The examples/
directory contains all the examples in the companion paper, and
more. Some files have descriptive names, while others refer to
their position in the paper:
|
instrument-control.ctx
|
Deadlocked typing context, taken from Example 3.10 of this JACM paper.
|
|
instrument-control-fixed.global
|
Adaptation (with bugfix) of Example 3.10 of this JACM paper.
|
|
multiparty-game.global
|
Running example from this ECOOP'17 paper.
|
|
multiparty-workers.ctx
|
Table 2, protocol 4 (“independent multiparty workers”).
|
|
oauth2.global
|
Opening example in Section 1.
|
|
payload-subtype.ctx
|
Small example used to
explain how mpstk
handles subtyping.
|
|
popl19-ex5.11-a.ctx
|
Example 5.11, case ΓA.
|
|
popl19-ex5.11-b.ctx
|
Example 5.11, case ΓB.
|
|
popl19-ex5.11-c.ctx
|
Example 5.11, case ΓC.
|
|
popl19-ex5.6.ctx
|
Example 5.6.
|
|
popl19-ex5.7.ctx
|
Example 5.7.
|
|
popl19-sec2.3.ctx
|
The unsafe typing context discussed in Section 2.3.
|
|
popl19-sec5.ctx
|
The safe, but deadlocked, typing context discussed in the
opening of Section 5.
|
|
popl19-sec7-m3.ctx
|
The safe, but deadlocked, typing context discussed in Section
7, point (M3).
|
|
rec-map-reduce.ctx
|
Table 2, protocol 3 (“recursive map/reduce”).
|
|
rec-two-buyers.ctx
|
Table 2, protocol 2 (“recursive two-buyer”).
|
|
two-buyers.global
|
Classic two-buyer protocol from session types literature,
taken from this POPL'08 paper (Section 3.2)
and this JACM paper (Example 3.8).
|
|
streaming.global
|
Simple streaming protocol
taken from this POPL'08 paper (Section 3.2)
and this JACM paper (Example 3.9).
|
All examples can be verified by invoking the tool as expected, e.g.:
./bin/mpstk verify examples/popl19-ex5.11-c.ctx
Additionally,
the examples-bad/
directory contains various global types that are not projectable,
according to Definition 3.2 in the companion paper.
For more details, one can invoke, e.g.:
./bin/mpstk project examples-bad/instrument-control.global
and see the resulting error messages: they show which projections
are not defined, and why.
Checking the implementation of Table 3
The multiparty session typing context properties verified
by mpstk are implemented
as mCRL2 µ-calculus formulas,
by strictly following the definitions of Table 3 in the companion paper.
Each property is defined as a .mcf file,
and is provided as part of
the program resources:
By visually inspecting the contents of
the .mcf files above, it should be
possible to grasp their direct correspondence with Table 3 in the
companion paper. Still, such .mcf files
use several mCRL2 sorts
(e.g., Session, Role,
Message, ...) that are defined elsewhere.
For more details, please see how session
typing contexts are encoded in mCRL2.
Behind the scenes
API documentation
To build the API documentation, invoke:
sbt doc
The resulting documentation will be available in
target/scala-2.12/api/mpstk/
(online copy).
Overview of the mpstk source code
This section provides a brief description of
each mpstk source code file.
Core data structures
-
GlobalType.scala: representation of a global session type.
-
MPST.scala: representation of a multiparty session type.
-
Context.scala: representation of a multiparty session typing context.
-
Ops.scala:
implementation of most operations involving global
types, session types, and typing contexts (e.g., substitutions,
unfolding, Barendregt convention...).
-
Subtyping.scala:
implementation of the subtyping algorithm for multiparty session
types.
-
RawMPST.scala:
this file contains a “raw” representation of
multiparty session types, and typing contexts: they do not
follow the syntactic constraints formalised in the companion
paper, and are used internally as an intermediate step, to
generate the mCRL2 encoding of typing
contexts.
-
Parser.scala:
parsers for global types and typing contexts,
based on the Scala standard parser combinators library.
-
Util.scala:
miscellaneous utility methods.
mCRL2 encoding and verification
-
mcrl2/Spec.scala:
representation of a multiparty session typing context as a mCRL2
specification. This files implements the encoding strategy
described below.
-
mcrl2/Property.scala:
representation of typing context properties. Each property
corresponds to a .mcf file
(mCRL2 µ-calculus formula) available among
the program resources;
moreover, each such .mcf file
corresponds to a µ-calculus formula defined on Table 3 in the
companion paper.
-
mcrl2/Verifier.scala:
a Verifier object checks whether a
given Spec instance satisfies a given
set of Property instances. This is the
main interface to mCRL2: a Verifier
handles the creation of temporary files, launches mCRL2 tools as
needed, reads their output, returns their result, and performs
benchmarks.
Tools
Extending mpstk
mpstk can be easily extended to verify
new behavioural properties (defined as mCRL2 µ-calculus formulas) of
session typing contexts. The procedure can be inferred from the
source code
of mcrl2/Property.scala:
-
define a new object MyProperty
that extends the abstract
class Property:
case object MyProperty extends Property(descr, filename, shortName)
where:
-
descr is a human-readable description;
-
filename is the filename of an
mCRL2 formula file (minus its
.mcf extension).
This name is also used to reference the new property by the
mpstk verify command line tool;
-
shortName is a shorthand
used, e.g., in the headers of tables and CSV files;
-
add MyProperty to the
set Properties.all;
-
add the file filename.mcf of the new property
the program resources
directory.
The missing part in the procedure above is how to actually write
the filename.mcf file, so that it can be
correctly used to verify the mCRL2 process specifications
generated
by mcrl2/Spec.scala.
To do it, it is necessary to know
how typing contexts are encoded in mCRL2.
Encoding session typing contexts in mCRL2
NOTE: this section uses some formal notation
defined in the companion paper, and assumes that readers have
some familiarity with the mCRL2 model checker.
Overview
Take a typing context Γ. In a nutshell, the goal of the mCRL2
encoding is to:
-
turn each entry s[p]:T ∈ Γ into a sequential mCRL2
process, that performs input/output actions according to
Definition 2.8 (rules [Γ-&] and [Γ-⊕]). In particular,
mCRL2's choice operator “+”
should model external/internal choices;
-
then, compose the sequential processes above in parallel, to
model the communications of Γ (Definition 2.8, rule [Γ-Comm]).
In particular, the mCRL2's parallel composition operator
“||”, together with
“allow”/“comm”,
should model synchronisation of inputs/outputs with
matching labels/payloads.
Structure of autogenerated mCRL2 specifications
To achieve the above goal, mpstk
converts a typing context Γ (internally represented as
a Context
instance) into a mCRL2 process specification (internally
represented as
a Spec
instance) consisting of three parts:
-
a fixed preamble, available in the
file mpst-preamble.mcrl2.
It defines:
-
various mCRL2 sorts that correspond to the syntax of
multiparty session
types: Session,
Role,
Message,
Payload (for details on the
handling of payloads, see below);
-
actions i / o
/ t (for “tau”), that
correspond, respectively, to the input / output /
communication labels of Definition 2.8 in the companion paper
(with a minor difference: the encoded t
actions do not discard the payload type);
-
an autogenerated mCRL2 process called
“context”,
that is the actual typing context encoding.
The process “context”,
in turn, uses other autogenerated process definitions:
-
one process for each entry s[p]:T ∈ Γ. Such processes use
the i
/ o actions defined in the
preamble, and the choice operator
“+” to model
branching/selection session types. Such processes are
composed in parallel in the definition of
“context”;
-
more process definitions to model the recursive sub-terms
(if any) of each entry s[p]:T ∈ Γ.
-
a fixed initial process declaration,
available in the file
mpst-init.mcrl2.
It declares that “context”
(i.e., the mCRL2-encoded session typing context
defined above)
is the initial mCRL2 process that is verified against
µ-calculus formulas.
In particular, the initial process declaration uses the operators
“allow” / “comm”
to specify
that i/o
actions synchronise by producing t
actions.
NOTE: the encoding above is purposedly
designed with a fixed preamble. The reason is that, by
using the generic sorts and actions defined
in mpst-preamble.mcrl2,
one can develop generic µ-calculus formulas, that can be used to
verify any (encoded) session typing context
— without depending on the actual sessions, roles, message labels, and
payloads used therein. This feature is exploited in
the µ-calculus formulas provided
by mpstk,
and can be leveraged to extend the tool.
The encoding in practice
To better grasp the explanation above, it is possible to inspect
the results of the mCRL2 encoding, by using
the --keep-temp option
of mpstk verify. E.g., by executing:
./bin/mpstk verify --keep-temp examples/oauth2.global
mpstk will not erase its
temporary working directory, and will print its path.
If such a temporary directory
is <DIR>, then the autogenerated
file <DIR>/context.mcrl2
contains various comments that show how the initial global type is
transformed throughout the encoding, and what part of the
multiparty protocol corresponds to each autogenerated mCRL2 process.
The temporary directory also contains other autogenerated
mCRL2 files (with the typical extensions, e.g.,
.lps,
.pbes, .lts):
they can be used to manually invoke the mCRL2 tools.
For more insight, it is also possible to use
the --debug option
of mpstk verify: it logs each use
of the mCRL2 tools on the autogenerated files.
A note on subtyping and message payloads
The explanation above skims over a
subtle, but crucial, detail:
-
in Definition 2.8 of the companion paper, the communication rule
[Γ-Comm] checks whether the payload type being sent
is subtype of the payload type expected by the
recipient;
-
in the mCRL2 encoding, payload types are represented with
the Payload sort, used as part of
i/o
actions...
-
...but when synchronising on such actions, and
yielding t actions, mCRL2 can only
compare Payloads for equality, and
cannot check subtyping — i.e., the resulting semantics is much
more restrictive than Definition 2.8!
To overcome this limitation, mpstk
performs some syntactic pre-processing of typing contexts, before
encoding them in mCRL2.
For example, assume
T⩽S, and consider the typing context
Γ = s[p]:q⊕m(T).T′, s[q]:p&m(S).S′.
Its mCRL2 encoding must model the reduction
Γ → s[p]:T′,s[q]:S′,
as in Definition 2.8.
To this purpose, mpstk pre-processes
Γ as follows:
-
Γ is initially represented as
a Context
instance;
-
mpstk collects all outputs that a
role r might send to another role r′. In this
example, p might send a singleton set of messages
M = { m(T) } to role q;
-
then, Γ is converted into a
raw Context
instance. The difference is that, unlike
Definition 2.4 in the companion paper, the session types in
“raw Γ” can have internal/external choices with
duplicated message labels;
-
then, mpstk rewrites
the “raw Γ” as follows:
-
it checks whether q's type contains some external
choice that might receive a message m(S)
from p;
-
if so, it checks whether the potential outputs of p
(i.e., the set M above)
include some
message m(T) such that T⩽S
(this is why mpstk
implements the
session subtyping algorithm);
-
if so, mpstk extends q's
external choice with a new option m(T), and the
same continuation of the original branch m(S)
(this is implemented in
raw.MPST.addSubBranches());
In this example, the original Γ
above is rewritten as
Γ′ = s[p]:q⊕m(T).T′, s[q]:p&{m(S).S′,m(T).S′}
(notice the new branch of s[q]).
-
finally, the rewritten typing context Γ′ is encoded in
mCRL2, as explained above. Now,
mCRL2 can model synchronisation by simply checking whether an
output action m(T) from p to q is
matched by an equal input action m(T)
by q from p. This models the typing context
reduction
Γ′ → s[p]:T′,s[q]:S′,
thus implementing Definition 2.8 as desired.
This explanation can be seen in practice, by executing, e.g.:
./bin/mpstk verify --keep-temp examples/payload-subtype.ctx
and inspecting the autogenerated file
context.mcrl2,
as illustrated above.
A note on non-tail-recursive types
In the companion paper, Example 5.11 (case ΓC)
shows a non-tail-recursive session type
μ(t)q⊕m(t).end, where the recursion variable t
occurs as payload of the message m. Such types are
troublesome (and usually unsupported) in classic session types
works (c.f. related work in the companion paper) — but they are
seamlessly supported in the new theory
behind mpstk.
To translate such non-tail-recursive types and typing contexts
into mCRL2 specifications, mpstk
proceeds in two steps:
-
it unfolds the message payloads, ensuring that
they have no free variables. This transformation is
provided
by the method MPST.unfoldPayloads;
e.g., the method unfolds the type μ(t)q⊕m(t).end above into
μ(t)q⊕m(μ(t')q⊕m(t').end).end
-
then, mpstk performs the encoding as
described above. The unfolded
payload is handled transparently, by the same principles that handle
the subtyping of message payloads.
This explanation can be seen in practice, by executing, e.g.:
./bin/mpstk verify --keep-temp examples/popl19-ex5.11-c.ctx
and inspecting the autogenerated file
context.mcrl2,
as illustrated above.
mpstk shares some goals and features
with Scribble, the first tool
using the theory of session types to implement protocol
specification and verification.
However, mpstk ha a fundamental design
difference: it is a research tool that strictly adheres to the
new, generalised session types theory introduced in the companion
POPL'19 paper. Scribble, instead, stems from the classic
multiparty session types theory, and adds various extensions and
variations on top of it, mainly for the purpose of automatic code
generation (that mpstk does not
address).
This fundamental difference has two consequences:
-
mpstk can verify multiparty protocols
expressed as typing contexts (.ctx
file format); as a bonus, it can also verify global types
(.global file format), by projecting
them. Scribble, instead, has the opposite design: it is centred
on global types, and projections (as in the classic multiparty
session types theory). Therefore, it is not suited for verifying
protocols that cannot be projected from global types;
-
in particular, mpstk can seamlessly
verify higher-order and
non-tail-recursive types, that are not supported by
Scribble.
TODOs and future work
-
mCRL2 201808.0 has a new feature: a new solver
(pbessolve) that can
generate
counter-examples when a specification does not satisfy a
given µ-calculus formula. With some work, this feature can be
exploited. When a typing context does not satisfy a
property, mpstk could:
-
use pbessolve to generate
the corresponding counter-example — e.g., as a labelled
transition system;
-
prettify the counter-example, by translating its labels (that
are produced by the mCRL2 encoding)
back into the originating typing context labels (c.f.
Definition 2.8 of the companion paper);
-
let mpstk users visualise the
prettified counter-example.
This would help users understand why a multiparty protocol (expressed as a
global type, or typing context) does not satisfy a certain
property.
-
Make mCRL2 file generation and verification more efficient,
by reusing temporary directories and files
across Spec
instances.
-
Improve error messages for (some cases of)
mpstk project.
-
Merge the tools under a single Scala application,
using picocli's
subcommands.
For questions and enquiries, you can contact
the mpstk author:
Alceste Scalas
<alceste (dot) scalas (at) imperial (dot) ac (dot) uk>


[§439-24] Cumulative remedies. The remedies or penalties provided by this chapter are cumulative to each other and to the remedies or penalties available under all other laws of this State. [L 1987, c 154, §2]


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Sunday, November 01, 2015
We went off Day Light Saving Time this morning. With the insulating of the floor of the trailer and the remodeling of the furnace duct, our trailer home is much more comfortable and enjoyable. I just hope that I can have time before bad weather sets in to finish the job. We slept in until 7am before getting up. Brother Lynn Ray called me at 9am and asked if I could help him reset one of his toilets. I suggested that we do it tomorrow morning. Our Sacrament meeting was so spiritual and especially the testimonies that were expressed were very inspirational and appropriate. I had the opportunity to participate in the passing of the Sacrament. Brother Patterson gave a very inspirational lesson in our Priesthood class and Sister Patterson gave a very good lesson in Sunday School. Mae had prepared dinner for today, yesterday, and even set the table. I came home before Sunday School class started and put the casseroles in the ovens to warm. Brother Flint was having trouble getting someone to feed the missionaries this afternoon. I told him that if he couldn’t get someone, he could take them to the Burger Bar and I would pay the bill. When we got home Jeff and his family were waiting for us and before we could get out of the car, Sandi arrived. Sandi had expressed her concerns about JaNae and Brad to Mae this morning on the phone. When she came, being brought here by her boy friend, Linda had a little while to visit with her. I sure hope that it helped her and I think it did. It was such an enjoyable afternoon having our family with us. It was almost 5pm when Jeff and his family got away for home. I remembered that Jeff wanted to borrow my plainer and we were able to get it into his car trunk. Sandi, Roy, Linda, Mae and I then played a couple of games of Rummikub before Sandi’s boy friend came to get her. After she left the four of us played a couple more games and then we all read some in our book “Jesus the Christ” and enjoyed discussing it as we read. That is a marvelous book and so filled with insight. I am so thankful for the Gospel of Jesus Christ and my testimony of the Church. Linda and I got talking and it was after 11pm when Mae and I got to bed. Mae couldn’t go to sleep and so got up and read more.
Monday, November 02, 2015
I woke up about 7am but let everyone else sleep in for a while. I had some cereal for breakfast, and while cleaning up my dishes, I also put the dishes in the dishwasher away. I then caught my journal up to date. I went down to Ray’s and with Roy’s help I was able to secure the sewer line and then refasten the toilet to the flange. By the time we finished it was time to go up to David and Shauna’s so that Roy and Linda could visit with them. We then went to Betsy and Devin’s for a visit. We came home and I was able to sell my extra sheetrock to a fellow. I am glad to get rid of it as it was a problem to keep covering it to protect it from the weather. After dinner we cleaned up the kitchen and then played four games of Rummikub and we each won a game. It’s now 10:36pm and we are tired and ready for bed.
Tuesday, November 03, 2015
I slept in until 8am although Mae woke at 7am. After taking a shower we had breakfast, which Mae had cooked fish and eggs. Roy and Linda took our car and went to Linda’s brother. From there Linda’s sister-in-law took her to Bountiful where Linda went out to eat with two of her cousins. Roy stayed at Steve, Linda’s brother’s home. Anyway, they were gone most of the day. Mae was busy all day and had dinner about ready when Roy and Linda got back. I got the north east pony wall built and the old skirting off the front of the house. After dinner and the table were cleaned up, Mae and I played Rummy while Roy and Linda got packed. All of us then played Rummikub, Roy won the first game and I won the second game. We then went to bed shortly after 10PM.
Wednesday, November 04, 2015
We woke early so as to be able to get Roy and Linda to the airport in time for their flight home. Mae had breakfast ready by 6:30am and following that we got the car packed. I drove them down and Mae went with me. The traffic was fair and we made it to the airport on time. I helped get their baggage into the check-in counter and said my goodbyes there. After getting home I changed clothes and got started on the house. In order to remove the trailer hitches I needed to cut the steel beams that the hitches are made of. I checked on renting a cutting torch but it is quite expensive. I next tried a metal cutting blade in my saw-all and it worked well. I got all the skirting removed and cleaned under the house. I was able to move all the pieces of the hitches to the back of the house except for the front portion of the hitches and they were too heavy. When Tim, next door came home, he came over and helped me carry them to the back of the house. I was able to get the front yard cleaned up and looking good. Mae gave me a haircut and then prepared dinner while I took a shower. After eating we went to our study group. We sure enjoy and learn so much from this study group. We drove Al Ervin home after the class and then stopped and got our mail. When we got home, we started checking the mail. We got a letter from Phyllis Schlafly of Eagle Form informing us that Barack Obama is trying to get an International Trade treaty passed in secret that will totally destroy America and our Freedom to control our Government. It sure does not sound good. It is only 8:30pm but I am sure tired tonight. I think we will soon go to bed.
Thursday, November 05, 2015
It was nice to sleep in a little while. It was lightly snowing this morning so I got under the house and installed insulation and plastic sheeting along the pony wall between the trailer and the east porch. I then installed plastic sheeting on the framed wall on the east side. By then it had dried up and I was able to get the South walls laid out so I can start framing those. I installed insulation and the siding on the North East wall. It was almost 5pm when I quit for dinner. Mae has been busy on the computer most of the day. She did go to Home Depot and get me a few supplies. She attended the choir practice this evening. I started watching a show but when Mae got home we started it over. It was a cute Christmas show.
Friday, November 06, 2015
Mae woke up at 5:15 this morning and I woke up at 6am. After scripture study and morning prayers, Mae prepared breakfast. It was cold outside but I soon got started on the house. Having thought of how I should install the pony wall in the front of the house, this morning I decided to remove the steel frame like I did on the north side of the trailer and just build it back with 2” X 6” lumber. I had to have Mae go to Home Depot and buy me some more metal cutting blades for the Sawall and I removed the beam. I got the front plates laid and am ready to install the vertical studding. This evening we had the Graf’s come over for dinner. We sure enjoyed visiting with them. Ron’s sister, Jen and her daughter Lorin also came over. Mae had a wonderful dinner along with homemade bread that Mae had baked today. It is only 8:30PM but I am tired and ready to go to bed.
Saturday, November 07, 2015
After standard morning scripture study and prayer, we had breakfast and then I started on the house. I got the front pony wall built and then started on the front east wall. We had lunch and then left for Logan. We took our computer and GPS with us so that our grandson, David, can work on them. We found their new Townhouse without any problem. It is sure a much nicer place than was their other apartment, although the other place was still nice. Henry is sure growing, but isn’t feeling the best today. Garret and Page soon came to join us for the evening. When David hooked up our computer, the mouse started working without any problems. David was able to insert the additional memory stick into our GPS and started the new download and update of the maps. We enjoyed visiting and then got the games out which we all enjoyed. Mae had brought two lasagna casseroles that we cooked there for dinner. Sierra and David made a green salad and Garlic bread. Page made cookies for desert. Everyone sure enjoyed the meal. Mae had also brought a Fruit Cocktail desert.  Mae and I left at 9pm for home, but have sure had a wonderful evening with our grand children. We used the GPS on the way home just to see how it worked. It is good to have it working better now. We were tired so soon took showers and went to bed.
Saturday, October 13, 2018
I woke at 6:45am and got up. The battery on my I pod was low, but I was still able to read two chapters in the B.O.M. this morning. After having prayers, I prepared breakfast of egg omelets for us. Mae got up just before I was ready to go wake her. When we went to bed Mae started having hiccups and had to get up. She told me this morning that she just drank some water and she was able to go right back to bed and slept well. I worked on my journal this morning and the computer and mouse are working great. Today was a wonderful day as we attended our block meetings. Mae and I had read the lesson in the manual for Priesthood and Relief Society. When we returned home I started preparing left over’s for lunch. Mae and I then lay down and took a nap. When we got up, I called Scott to see if he was finished with my air compressor. He was, and they returned it to me before going to Mishelle’s parents. I did a little figuring as to what materials I need to continue with my work on the house. This evening Mae and I read and studied two chapters in the book “Jesus the Christ” in preparation for our study group on Wednesday evening. I finished this entry and we soon went to bed.
Saturday, October 13, 2018
I woke before 5am and read for 40 minutes, got my breakfast as Mae didn’t sleep very well last night and I was at Home Depot at 7am to get material. After Mae got up she was busy going different places. She stopped at Home Depot as she finished up and got me some staples. I was able to get the plastic sheeting around most of the pony walls. I also rerouted the Comcast cable so that most of it will be hidden behind the pony wall. It was 6pm when I quit. We ate dinner and then I cleaned up and we went H.T./V.T. to the Rays. Although Mae tried to encourage them to read the Priesthood/Relief Society, I don’t think it will happen. As we left I couldn’t help thinking of a saying a former Bishop, Lyle Deamer, used to say, “A person convinced against their will is of the same opinion still!” It’s is now going on 10pm so we had better go to bed.
Tuesday, November 10, 2015
We both slept quite well last night. After scripture study and prayer we had breakfast. I started on the home but while doing so I got thinking about what David said to Mae yesterday. He doesn’t want to talk to me about religion. The more I thought about it, the more I became depressed. I got the Comcast cable removed from the outside of the house and installed it under the house. It looks much more professional to do it correctly. After lunch I ground up the chicken breasts which Mae purchased yesterday. While I ground it, Mae packaged it and put it in the freezer. I then started insulating and siding the pony walls. Mae was going to help me, but she got a call from Sister Scheer, who is in quite a bit of pain, asking if Mae could drive them to the Doctors. After the Doctor examined her, he wanted her to go to the hospital for further testing. I did get the siding on the S.E. section of the wall. I was tired so quit at 4PM and cleaned up. Mae stopped on the way home from the hospital and got us some Classic Burrito’s for our dinner. I took a shower and had the table set when Mae got home. After eating, we went V.T./H.T 1st to the Hilton’s but they weren’t home. We, therefore, took a prescription to the Ray’s and then visited Sister Leah Neilson. We had a nice visit with her.  We then went back to the Hilton’s and they had just gotten home. They invited us in anyway and we had a nice visit with them. We gave some pretty straight forward council on being self sufficient and even selling unneeded items to finance their present needs. I hope we were not offensive to them. When we got home, we had a missed call from David and one from Jeff. Mae called Jeff and I called David. He needed to know if JaNae’s children had winter coats as they were going to give some of their kids outgrown coats to the school for needy children. I called Sandi and got her in a Board Meeting but she suggested that I call Chelci, so I did and she said that the kids were ok that way. Mae returned the call to Jeff and visited with him for a while.
Wednesday, November 11, 2015
Mae didn’t sleep very well last night. I slept until 7:45am. I took the boat over to Dick’s Boat shop to have it shrink wrapped to protect it from the winter storms. Later, they called me and said it was ready to pick up, but when I got over there, they hadn’t wrapped it but had winterized it. It was my fault as I hadn’t read the work order before signing it. I left and they shrink wrapped it and said they would call me when it was finished. I did get the insulation installed on all the pony walls and the siding on the front of the trailer. Mae took the car over to Dee’s and got the inspection and license plates, and then when she got home, she helped me with stapling plastic wrap as I installed the insulation in place. This evening we attended our study group and really enjoyed that. We went H.T./V.T. to Sister Lemon’s this evening. Before going to bed we had some cottage cheese and apple sauce.
Thursday, November 12, 2015
Mae slept fair last night, whatever that means. I woke just before 7am. I had to hurry as I was going to help set up for the ward social this evening. When I got there at 9am, no one else was there. I called Mae and she called Brother Haney, who said that there was a funeral today so we won’t set up until 3PM. I came back home and ate breakfast and then we got ready to go to the Temple. We took Brother Carrie Shaw and Sister Judy Decker with us and enjoyed a wonderful session. We ate lunch at the cafeteria before coming home. When we got home, Sister Ray called and wanted Mae to go grocery shopping for them. She went. I went over to Dick’s Boat and picked up my boat. I then went over to the church and helped with some of the setting up for the Ward dinner. I came home and found Mae working on our Christmas cards. We went over to the Ward Veterans Day social and enjoyed that dinner and program. I helped put tables and chairs away before we come home. I worked on our Christmas card mailing list and then entered this entry, before we went to bed.
Friday, November 13, 2015
I worked on the house most of the day. Scott came over to have dinner with us 10:30 AM. He goes to work early in the morning so that he can go home early and help Mishelle with the children. We enjoy having him come to eat with us and have a chance to visit with them. I was very tired when I quit for the day. Mae had Scott and Mishelle bring their children over this evening and she tended them. She does that not only to give them a night out but it also gives her a chance to be with the children for an evening. Anyway, I was so tired that I just watched a movie on Netflix.
Saturday, November 14, 2015
I worked on the house most of the day. In the morning I got all the siding cut and tacked into place. That took some time as I had to cut around all the pipe extrusions on the North East side of the house, including disconnecting and removing the gas main. About 1PM Sandi came and we took her out to dinner for her Birthday. After returning home I nailed off all the remainder to the siding. I was very tired when we finished but we cleaned up and went over to visit Bob. We don’t do much visiting but he likes us to watch a show with him. He had some for us to choose from but ether they were ones that we had seen or they were R rated. We finally chose a war show that we have seen many times but it was at least better rated. It was late when we returned home.
Sunday, November 15, 2015
When I got up this morning, I read from both the Book of Mormon and from the New Testament. I then worked on my journal entries. I found that all dates that I put in with the insert function were changed to today’s date. I had to go back and reinter the day, month, day and year for several days. I am concerned with our computer and the information that we have stored on it. I had to make a new form for our Temple announcements as those forms were lost when the computer crashed. Meetings went well except I didn’t get but two people who indicated that they want to attend the temple on the 19th. After getting some lunch, both Mae and I took a nap. This evening we went up to David and Shauna’s for dinner in honor of Emily’s 15th birthday. Shauna’s parents were also there. David and Shauna had a very nice dinner ready with three kinds of meats prepared. It was a very enjoyable evening. We got home about 8:40pm.
Monday, November 16, 2015
I got up about 6am but Mae hadn’t slept very well so I let her sleep in longer while I read my scriptures and took a shower. I prepared breakfast of egg omelets. We then got the car packed plus I went into Ogden to get some parts to remodel our outside Christmas lights and a few other errands while I was out. It was after noon when we finally got away. When I was ready to leave, Mae was talking to Gail on her cell phone. I told her she could continue the conversation in the car, so she came out and got in and I took off. We had gone a couple of miles and Mae suddenly stopped talking and asked where her phone was. She was almost panicky and was about ready for me to turn around and go back. I chuckled and told her that she was talking on it. At least I did get a laugh out of it, and she did too. We drove straight through with one stop at a rest stop. It was a little after 3pm when we got to Jeff and Gail’s home. Gail hadn’t got back from picking the children up from school when we arrived, so we used their garage door opener and was able to get in. We had most of our things in the house when Gail and the children got home. Those grandchildren sure gave us lots of hugs and a big welcome. We had a very pleasant evening, enjoying a nice dinner, visiting and then ending the evening by playing games with Jeff and Gail.
Tuesday, November 17, 2015
Mae was up two or three times during the night. We slept on our air mattress and it did go down some during the night. This morning I re-inflated the mattress and added some quilts to the bedding. We will see what happens during the day. I spent most of the day working on my Five Year Diary reentering it into my journal. I am in November 2nd & 3rd 1972. This was the time that Mae and I had an opportunity to go to Hawaii. With only 4 short lines per day, there was very little of our experiences recorded. Most of the entries will have to be by memory. When the children came home from school Gail took Rachel to her piano lesson. Mae’s place was playing Old Pig with Ben and Matt. After a little while, I took Mae’s place, while she prepared dinner. After dinner all the family went to Ben’s Cub Scout Pack meeting. After returning home the children soon went to bed and then Jeff, Gail, Mae and I played Rook until 9pm and then we quite to get ready for bed.
Wednesday, November 18, 2015
Mae and I slept well last night and our mattress held air well through the night. We were late getting up. I took a shower before getting started. Time goes fast and we spend quite a bit of time talking. I did get the dish washer secured by raising the front leg adjustments. I checked the lights in the basement storage room and found that they are florescent light fixtures that were hooked up without a ground. I went to a Super Wal Mart and my GPS took me to Jerome. Although it was out of the way, I found a Conoco Station with gas for $2.09 per gallon, plus the super car wash for just a $1.00 with 10 gallons of gas. That was worth the out of the way trip. I worked on my Diary Journal again today. Mae also worked on her Ward History besides playing games with Grandchildren. This evening after the children went to bed Jeff, Gail, Mae and I played some games. It is now almost 10pm so we will get to bed.
Thursday, November 19, 2015
Mae didn’t sleep very well but I slept all night. After scripture study and prayers I got the internet code from Gail and entered it into our computer. This way Mae can assess the internet here. We had that link before but when our computer crashed and it was restored by our Grandson David, the link was lost. Gail took Ben and Rachel to school and then she went to the gym, leaving Matt here with us. After eating breakfast Grandma and Matt played games. They were both laughing and enjoying the time together so much. Although I loved my grandmother very much and I knew of her love for me, I never remember her laughing like Mae does. To me it was a special scene, to see both of them enjoying being together. But Mae is that way with all of her grandchildren. I worked on my Diary Journal until almost noon. We had lunch and then got ready to go to the Twin Falls Temple. When we got to the Temple we found that the sessions start at 7am and runs every two hours. Because of the children getting home from school shortly after 3pm, the next session would be too late for us to attend. They allowed us to join a Sealing Session that we enjoyed participating in. After leaving the Temple we tried to find a Maverik station where they served frozen yogurt. We couldn’t find one, so when we got home I called the Maverik Customer number and complained about our disappointment in the removal of this service. I worked on my Diary/Journal for some time, trying to get it straightened out. It is difficult to remember that far back, from the brief entries in a Five Year Diary, especially 43 years ago. This evening Jeff, Gail, Mae and I finished the game of Hearts that we put aside last night because it got late. I think we should have just started another game as I sure lost this one. We do enjoy being with Jeff and Gail.
Friday, November 20, 2019
We woke to a much prettier day this morning than it was yesterday. Ben got Grandma to play him some Ping Pong this morning. When I got up, I took over for her for a few minutes until he had to leave for school. I then played it with Matt for a while. I prepared breakfast for Mae, Matt, Gail and myself. I then worked on the computer for a little while. Gail asked if I could put her food storage shelves together so I spent the rest of the day doing that. She was sure happy when I finished. When the children got home from school, Rachel came down and gave me a card she had made at school for me. It had a large heart and 2 small hearts cut out. On the back sheet in the heart it read “YOU ARE THE BEST” and in the small hearts it read “I LOVE YOU!” When she gave it to me she also had a hug and a kiss for me. She is sure a sweet girl and growing so fast. After dinner, Jeff wanted to mount their TV in their bedroom but Gail was uncertain and so we let it wait for now. After the children were put to bed we started a game of “Trans America” but put it up when it got late as Jeff has to go into work in the morning.
Saturday, November 21, 2019
Mae and I slept in until the kids were up and wanted breakfast. Gail had gone to the gym and Jeff went into work. Gail has a couple of things she would like Jeff and I to do for her today. I will have to wait until Jeff comes home. He doesn’t plan on working very long today. I worked on my Five Year Diary for a while today. Mae and Gail went with Rachel to her basketball game. I played games with the boys. When Jeff got home we all went to Rachel’s 2nd basketball game. It was fun to watch those little girls play basketball. When we got home, Jeff and I hung a pin board in the office and their TV in their bedroom. We only got the stand hung on the wall for them and then Jeff and Gail had to go to a dinner. Mae and I cooked fish and fried potatoes for dinner for us and the children. Matt wouldn’t try the fish, but the rest of us really enjoyed the dinner. Ben loved the fish and had a second helping. I helped Mae cleanup after we ate. The kids and Mae watched a movie on the TV downstairs. After getting the children to bed we were going to watch a movie on Netflix but it froze up. The first time Matt was still up and he was able to get it going again, but the next time it froze up, I couldn’t get it to go so I finally turned the power off and we got ready for bed. When Jeff and Gail got home we started a game of “Hand & Foot” for a little while but then gave up and went to bed as it was getting late.
Sunday, November 22, 2019
We got up and had breakfast before going to Church. Gail gave a talk in Sacrament meeting and Matt gave a talk in Primary. After the block ended, we came home. Jeff and Gail put up their Christmas trees as they will be coming to Utah for the Thanksgiving Holliday and will not have much time to enjoy the decorations for Christmas. Mae and I prepared lunch by heating up the left over fish and chicken along with frying some potatoes and making a salad. After lunch I took a nap. This evening we played some games with the children and then Jeff, Gail, Mae and I played a game of Hand and Foot.  Mae, Gail, Jeff and I then continued our game. Mae and I won that game. We then played two dice games in which I lost the first one but won the second game. We said our goodbyes to Jeff as he will be gone to work before we get up in the morning.
Monday, November 23, 2019
We got up in time to tell Jeff, Ben and Rachel good by before they left for school and work.  It was about 10:30am when we got away. We stopped at a rest stop and then traveled on. It was about 2pm when we got to Penney’s where we picked up an item for Christmas that Mae had ordered for me. After getting home we unpacked and Mae started washing clothes. Mae looked at possibilities of rearranging our bedroom but when I measured it out, it just doesn’t work. I did move the glass dish of Mae’s Grandmother that Sandi had made into wind chimes, into the front room. Jeff had suggested that we watch a show titled “The Butler”, which we tried to watch Friday night on their TV, but his reception hung up and we had to turn the TV off. We there for decided to watch it on our TV. It left me with several mixed feelings and wondered how much facts were presented there or if it was somewhat distorted to show one side or to emphasize a certain view point. I know that there has been and still is great deception in our government and truths are kept from the public from ever being aware of corruption within our government. Mae got on the computer and downloaded the pictures from our camera along with e-mailing some to Gail as Gail wanted to make a 2015 calendar on Shutterfly and it would be free if she got it done by midnight tonight. I took a shower and we soon went to bed. It was almost 10:30pm by the time we got to bed.
Tuesday, November 24, 2019
The weather looked like it was going to be fair so I got out and started trimming the house. Mae helped me and when she had time she raked up the leaves from the trees. We quit for lunch and then I was going to take a nap. Sister Mullins called to see if I could go to the hospital with Bishop Mullin to administer to Brother Ray. He is at the hospital and is going to be operated on. When I returned home I did more work on the house. Mae raked up more leaves and got them bagged. We stored some of the trim material under our house as I am afraid that we are in for some winter weather and I don’t want it to set out and get wet. We were tired when we finished. We need to go grocery shopping and so I suggested that we get a Fish Sandwich and fry’s for dinner. Mary Ann called and asked Mae if she could get to the store for her. We did get her things while we got our groceries. We found out that Lynn is being life flighted to the University Hospital. We are not sure what the reason for that is. It was 10pm when we got home. We are sure tired tonight.
Wednesday, November 25, 2019
We both slept until 8:50 am so you can see that we were tired last night. The time sure went by fast today. We worked on Thanksgiving plans and got the turkeys thawing so they will be ready to cook early Friday morning. I did some planning on our outside Christmas lights. Later I went shopping first to return some excess materials I had purchased from Home Depot and then to purchase materials for our Christmas lights. I am going to restring the lights so that they will hang better, plus I am using a little better quality of fixtures. This afternoon we got a fairly heavy snow storm. Marianne called this evening and told us that Lynn had been operated on at the Huntsman Cancer Clinic and not the University Hospital. He still is in critical condition. Marianne said that she needed some furniture moved before Lynn comes home so he can get around. She wanted it moved tonight, so we went down. She wasn’t ready when we got there for the furniture to be moved, so we told her that we would check with her in the morning and come back when she had things cleared out so the furniture could be moved. This evening Mae worked on Christmas Cards and letters. Plus she did some preparations for our Thanksgiving Dinner that we are holding on Friday. I worked on the complete rewiring of the Christmas lighting we brought home from the Philippines. The wire I got is heavier than what the parts I bought needed but I am able to make it work. I got about a 3rd of the light rewired before we quit to go to bed.
Thursday, November 26, 2019 Thanksgiving Day
I woke at 5 am and was up for about ½ hr. We got up close to 7am. I started into working on the Christmas lights. Mae has been making cup cakes and we decorated them like a turkey. They turned out quite cute. Shortly after lunch Mae helped me hang the Christmas light on our east deck. It was cold but with Mae’s help we got them up. We needed to use the hair dryer to dry the metal so we also used it to warm our hands as it was very cold. We gave each other a hair cut today. That has sure saved us a lot of money and time. This evening I helped Mae decorate the Turkey cup cakes. I started getting the special tools and pans for cooking our Thanks Giving dinner for tomorrow. When I looked for the pressure cooker to cook the potatoes in I realized that we had put the canning utensils under the trailer, before I boarded it up. We talked about storing those things under the trailer, thinking that we wouldn’t need them until next canning season, forgetting that we use the cooker for other items. I will have to crawl under the trailer from the east porch to get it. We decided to watch a movie while we ate out dinner. We watched on show on the Hall Mark channel. Hall Mark had a cute show but the trouble with Hall Mark is you watch more advertizing that you do show. We couldn’t get Net Flex to work so we turned the TV off and went down to Ray’s to see how Lynn is doing. They are going to operate again tomorrow. It doesn’t sound very good to me. We came home and soon went to bed.
Friday, November 27, 2019
I woke at 5:30am and read for ½ hr before starting the day. The first thing I did was to get underneath of the trailer and get out our pressure cooker as we cook our potatoes in it for this big of a crowd. We then got the turkeys ready and in the oven and Electric roaster. After breakfast we got the potatoes peeled and ready to cook. I picked up the key to the Stake Center from Bishop Mullins. We loaded up and went over to the Stake Center about 11am. We had borrowed Bishop Mullin’s key but when we got to the Stake Center it wouldn’t work. We called Bishop Mullin and asked if that was the same key he had let us borrow last Wednesday. It wasn’t and so we took it back and he let us take his key ring. That one worked and we were able to get in. Sandi and Gary came while we were changing keys and so they were there to help us carry things in. They then started setting up the tables and chairs. I got the potatoes on to cook and started carving the turkeys. By the time I got the turkeys carved the potatoes were cooked. The rest of our family had also arrived. David and Scott whipped the potatoes while Mae made the gravy everyone else got everything else ready. We had a prayer of Thanksgiving for the blessings we enjoy as a family and a Blessing on the food. We sure enjoyed a wonderful meal. After dinner the boys set up the volley ball net and a game soon got started. Mike felt bad that he couldn’t play volleyball with the rest but his shoulder is still healing from the bike accident he had earlier this fall. All of the little kids enjoyed playing together. We did get a couple of pictures of all 32 of us. Shellie’s family, JaNae’s family and Page and Garret were the only ones not there. We sure missed those that weren’t there. We cleaned the church and finished up and was out by 6PM. Mae and I came home, put things away and watched “White Christmas” on NetFlix before going to bed, quite tired, but what a wonderful day.
Saturday, November 28, 2019
I got up at 5:15am and read scriptures for a while. After Mae woke, we went back to bed for a while. While Mae did her exercises and cooked waffles for breakfast, I took Bishop Mullin’s keys back to him. After breakfast we got the Christmas decorations out and started getting them up. We were most of the day getting the inside decorations up and then I started outside but it was too cold and dark by then, so they will have to wait and see what the weather is on Monday. After finishing up for the day, Mae and I played five games of Rummikub, with Mae winning the first 3 and I did win the last two. I caught my journal up to date before we went to bed.
Sunday, November 29, 2019
It was almost 8AM when we woke this morning. After normal morning routines I prepared breakfast while Mae showered and got ready for church. I sure love that girl. She is surely the love of my life. It is just so good to be with her no matter what we are doing. She is so cute especially about the Christmas decorations and really about anything I do for her. What a JOY she is in my life!!!!!! We enjoyed attending meetings today. Although we had a nice breakfast, but by the time we arrived home after Church, it was after2pm and I was hungry. We heated up Thanksgiving leftovers and really enjoyed them. Mae is editing some of my journal entries and was on the computer until she went to choir practice. I thought I could get some more done on my diary entries when she was gon, but I turned on the TV to BYU and the “Seventeen Miracles” was on and I got caught up in that. I don’t know how many times I have now seen that show and yet it still pulls on my heart strings and the tears flow in feelings for the Faith those people had, as they went through so much to serve the Lord. Following that show, a live interview of a Young Lady from West Africa, being the first black person from there to come to Temple Square, was played. What a marvelous and inspiring story that is. Mae returned just as that was ending. Oh! How much I need to count my Blessings! When Mae got home she again went to work editing my journal entries. I, therefore, read more from the New Testament. It is now after 10Pm so we had better get to bed before long. With Mae doing so much work to help me with my journal entrances, plus all the time I spend on these journals, I am led to wonder if they are really worth it. Will they ever be of any worth to anyone? (Mae – Yes, I feel they will and I am happy he is doing this.)
Monday, November 30, 2015
The morning went fast. I added more decorations to our tree and that took time but I think it added to the tree. Mae has been busy with our weekly washing and house cleaning. I made a trip to Home Depot for a few items and shortly after getting home we got a call from American First Credit Union asking us if we had purchased a travel voucher $198.85 in Indonesia, which of course we hadn’t. So they stopped the payment from going through. Someone has again used our debit card, and we are lucky that American First recognized it as an illegal use of our card. We had to cancel our debit cards again and will have to wait for a week to 10 days before we will get new ones. This is getting scary to have someone get into our account again in about a month’s time since the last time. I put up the outside Christmas lights this afternoon. I have some concerns about the wind damaging our large star that we bought in the Philippines. Mae went grocery shopping this afternoon.


Distributed provision of traffic services for cheap, fair competition and fault tolerance
Switch mining machine at any time
Paying by message is accurate, fair and reasonable


As an admin you can add new flights,approve or decline user's requested tickets
Arrival :{{flights.airport}} {{flights.arrival_airport}}


| toJSON, fromJSON {jsonlite} | R Documentation |
These functions are used to convert between JSON data and R objects. The toJSON
and fromJSON
functions use a class based mapping, which follows conventions outlined in this paper: https://arxiv.org/abs/1403.2805 (also available as vignette).
fromJSON( txt, simplifyVector = TRUE, simplifyDataFrame = simplifyVector, simplifyMatrix = simplifyVector, flatten = FALSE, ... ) toJSON( x, dataframe = c("rows", "columns", "values"), matrix = c("rowmajor", "columnmajor"), Date = c("ISO8601", "epoch"), POSIXt = c("string", "ISO8601", "epoch", "mongo"), factor = c("string", "integer"), complex = c("string", "list"), raw = c("base64", "hex", "mongo", "int", "js"), null = c("list", "null"), na = c("null", "string"), auto_unbox = FALSE, digits = 4, pretty = FALSE, force = FALSE, ... )
txt |
a JSON string, URL or file |
simplifyVector |
coerce JSON arrays containing only primitives into an atomic vector |
simplifyDataFrame |
coerce JSON arrays containing only records (JSON objects) into a data frame |
simplifyMatrix |
coerce JSON arrays containing vectors of equal mode and dimension into matrix or array |
flatten |
automatically |
... |
arguments passed on to class specific |
x |
the object to be encoded |
dataframe |
how to encode data.frame objects: must be one of 'rows', 'columns' or 'values' |
matrix |
how to encode matrices and higher dimensional arrays: must be one of 'rowmajor' or 'columnmajor'. |
Date |
how to encode Date objects: must be one of 'ISO8601' or 'epoch' |
POSIXt |
how to encode POSIXt (datetime) objects: must be one of 'string', 'ISO8601', 'epoch' or 'mongo' |
factor |
how to encode factor objects: must be one of 'string' or 'integer' |
complex |
how to encode complex numbers: must be one of 'string' or 'list' |
raw |
how to encode raw objects: must be one of 'base64', 'hex' or 'mongo' |
null |
how to encode NULL values within a list: must be one of 'null' or 'list' |
na |
how to print NA values: must be one of 'null' or 'string'. Defaults are class specific |
auto_unbox |
automatically |
digits |
max number of decimal digits to print for numeric values. Use |
pretty |
adds indentation whitespace to JSON output. Can be TRUE/FALSE or a number specifying the number of spaces to indent. See |
force |
unclass/skip objects of classes with no defined JSON mapping |
The toJSON
and fromJSON
functions are drop-in replacements for the identically named functions
in packages rjson
and RJSONIO
. Our implementation uses an alternative, somewhat more consistent mapping
between R objects and JSON strings.
The serializeJSON
and unserializeJSON
functions in this package use an
alternative system to convert between R objects and JSON, which supports more classes but is much more verbose.
A JSON string is always unicode, using UTF-8
by default, hence there is usually no need to escape any characters.
However, the JSON format does support escaping of unicode characters, which are encoded using a backslash followed by
a lower case "u"
and 4 hex characters, for example: "Z\u00FCrich"
. The fromJSON
function
will parse such escape sequences but it is usually preferable to encode unicode characters in JSON using native
UTF-8
rather than escape sequences.
Jeroen Ooms (2014). The jsonlite
Package: A Practical and Consistent Mapping Between JSON Data and R Objects. arXiv:1403.2805. https://arxiv.org/abs/1403.2805
# Stringify some data jsoncars <- toJSON(mtcars, pretty=TRUE) cat(jsoncars) # Parse it back fromJSON(jsoncars) # Parse escaped unicode fromJSON('{"city" : "Z\\u00FCrich"}') # Decimal vs significant digits toJSON(pi, digits=3) toJSON(pi, digits=I(3)) ## Not run: #retrieve data frame data1 <- fromJSON("https://api.github.com/users/hadley/orgs") names(data1) data1$login # Nested data frames: data2 <- fromJSON("https://api.github.com/users/hadley/repos") names(data2) names(data2$owner) data2$owner$login # Flatten the data into a regular non-nested dataframe names(flatten(data2)) # Flatten directly (more efficient): data3 <- fromJSON("https://api.github.com/users/hadley/repos", flatten = TRUE) identical(data3, flatten(data2)) ## End(Not run)


Messi Snubbed As Klopp Names Ballon d'Or Choice
by SL InternationalLionel Messi might be one of the favourites to win the 2019 Ballon d'Or award, but Liverpool boss Jurgen Klopp has snubbed the FC Barcelona superstar in his pick for this year's trophy.
Read: The 10 Richest Footballers In The World
The Reds' manager has backed star player Virgil van Dijk to pip Messi to this year's Ballon d'Or after his performances for the club over the past 12 months.
"If you give the Ballon d'Or to the best player of this generation, then you should give it always to Lionel Messi. That's how it is," Klopp told Liverpool's official website.
Earn Airtime & Data With Soccer Laduma's Social Media App - Download Now
"But if you give it to the best player of last season, then it was Virgil van Dijk. I don't know exactly how it will work but that is how I see it.
"The best player of all? That's Lionel. Best player of last season? That's Virgil. We will see."
Van Dijk played an instrumental role in Liverpool's 2018/19 UEFA Champions League triumph and Premier League challenge, and was crowned the UEFA Men's Player of the Year, the PFA Players' Player of the Year and the Premier League Player of the Season earlier this year.
Read: Mane Backed For Ballon d'Or By Fellow Nominee
The winner of the 2019 Ballon d'Or will be announced in Paris on Monday, 2 December.


This page demonstrates a motion planning problem. There are three example environments and each of them contains one robot and obstacles. The robot is shown in red while the obstacles are shown in grey. The robot moves continuously between two predetermined locations without colliding with the obstacles. Collision-free paths were calculated with motion-solver software.
The visualizer requires a browser that supports WebGL. The shown environment can be changed with a combo box and the camera can be rotated with a mouse.


Perfection is not attainable, but if we chase perfection we can catch excellence”.
These best phrases by Vince Lombardi has lighten up our minds! It’s all about how you put your topic or present your topic infront of the audience.

Come up with innovative ideas!
Rules:
1. Maximum of two authors.
2. Presentation should be a maximum of 7 to 10 minutes.
3. The presentation is strictly confined to only technical topics.
No . of days of event : 2
FACULTY COORDINATOR :
P.Saritha<PHONE_NUMBER>
STUDENT COORDINATORS :
1.K.Rachana<PHONE_NUMBER>
2. P. Suma Swetha
3. J. Vikas Reddy
4. Md Zainul Abiduddin
5. A. Someshwar Reddy
6. P. Bhanu Rajeswari Devi
7. Vishnu Kanth Loya
8. V. Rachana
Registration Fee: 50/-


# File /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.0.beta4/lib/active_support/json/encoding.rb, line 198 198: def as_json(options = nil) to_a end
Iterates over a collection, passing the current element and the memo to the block. Handy for building up hashes or reducing collections down to one object. Examples:
%w(foo bar).each_with_object({}) { |str, hsh| hsh[str] = str.upcase } #=> {'foo' => 'FOO', 'bar' => 'BAR'}
Note that you can‘t use immutable objects like numbers, true or false as the memo. You would think the following returns 120, but since the memo is never changed, it does not.
(1..5).each_with_object(1) { |value, memo| memo *= value } # => 1
# File /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/enumerable.rb, line 77 77: def each_with_object(memo, &block) 78: each do |element| 79: block.call(element, memo) 80: end 81: memo 82: end
The negative of the Enumerable#include?. Returns true if the collection does not include the object.
# File /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/enumerable.rb, line 106 106: def exclude?(object) 107: !include?(object) 108: end
Collect an enumerable into sets, grouped by the result of a block. Useful, for example, for grouping records by date.
Example:
latest_transcripts.group_by(&:day).each do |day, transcripts| p "#{day} -> #{transcripts.map(&:class).join(', ')}" end "2006-03-01 -> Transcript" "2006-02-28 -> Transcript" "2006-02-27 -> Transcript, Transcript" "2006-02-26 -> Transcript, Transcript" "2006-02-25 -> Transcript" "2006-02-24 -> Transcript, Transcript" "2006-02-23 -> Transcript"
# File /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/enumerable.rb, line 22 22: def group_by 23: assoc = ActiveSupport::OrderedHash.new 24: 25: each do |element| 26: key = yield(element) 27: 28: if assoc.has_key?(key) 29: assoc[key] << element 30: else 31: assoc[key] = [element] 32: end 33: end 34: 35: assoc 36: end
Convert an enumerable to a hash. Examples:
people.index_by(&:login) => { "nextangle" => <Person ...>, "chade-" => <Person ...>, ...} people.index_by { |person| "#{person.first_name} #{person.last_name}" } => { "Chade- Fowlersburg-e" => <Person ...>, "David Heinemeier Hansson" => <Person ...>, ...}
# File /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/enumerable.rb, line 91 91: def index_by 92: inject({}) do |accum, elem| 93: accum[yield(elem)] = elem 94: accum 95: end 96: end
Returns true if the collection has more than 1 element. Functionally equivalent to collection.size > 1. Works with a block too ala any?, so people.many? { |p| p.age > 26 } # => returns true if more than 1 person is over 26.
# File /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/enumerable.rb, line 100 100: def many?(&block) 101: size = block_given? ? select(&block).size : self.size 102: size > 1 103: end
Calculates a sum from the elements. Examples:
payments.sum { |p| p.price * p.tax_rate } payments.sum(&:price)
The latter is a shortcut for:
payments.inject(0) { |sum, p| sum + p.price }
It can also calculate the sum without the use of a block.
[5, 15, 10].sum # => 30 ["foo", "bar"].sum # => "foobar" [[1, 2], [3, 1, 5]].sum => [1, 2, 3, 1, 5]
The default sum of an empty list is zero. You can override this default:
[].sum(Payment.new(0)) { |i| i.amount } # => Payment.new(0)
# File /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.0.beta4/lib/active_support/core_ext/enumerable.rb, line 57 57: def sum(identity = 0, &block) 58: if block_given? 59: map(&block).sum(identity) 60: else 61: inject { |sum, element| sum + element } || identity 62: end 63: end


YTOW was founded in 2015 by a group of 3 ladies to give back to less priviledged members of the society.These ladies were Miriam Thando, Alexis Brown, and Amina Mohammed.
FMY and YTOW Celebrate Eid Festivals With the Less Priviledged Kids In Mtongwe
The goal is to spread joy! Irregardless of the region in Kenya you come from.
We bring together philanthropic souls from all parts of Kenya...
And make it easy for helping hands to find the ones in need.
Dive into our website and see how you can make a change in your world!
| Official | Region | Phone Number | email address |
|---|---|---|---|
| Hussein Fuaad | Nairobi |<PHONE_NUMBER> |<EMAIL_ADDRESS>|
| Sauda Habib | Mombasa |<PHONE_NUMBER> |<EMAIL_ADDRESS>|
| Hillary Onyore | Kisumu |<PHONE_NUMBER> |<EMAIL_ADDRESS>|
| Victor Koros | Nakuru |<PHONE_NUMBER> |<EMAIL_ADDRESS>|
| Ismaeel Abdulazeez | Garissa |<PHONE_NUMBER> |<EMAIL_ADDRESS>|
Tip of the iceberg at YTOW:An overview of the things we do


In conclusion, while both Python and JavaScript have their strengths and unique features, if I were to be developing a dynamic visual application, I would use JavaScript.
However, when it comes to data science and big data analysis, I would absolutely use Python and its library Pandas.
Ultimately, most languages are capable of doing most things a programmer might want to do and it comes down to personal preference and what language is best suited for your existing skillset. Personally, I'm not great with tkinter, and therefore I don't often have a desire to work on GUIs in Python. I could much better spend my time and effort on a web application using HTML, CSS, and JavaScript.
When it comes to choosing between Python and JavaScript and which language to learn, JavaScript and Python are both so common and prominent that you can trust that you'll be able to find a job just about anywhere if you know one or the other, certainly if you know both of them.
According to data from GitHut, the two most common languages for activity (defined as pull requests, pushes, stars, and issues) on GitHub are JavaScript and Python.
One consideration I think is worth making is that Python is famously open-source, even for commercial use. Because of this, there are over 130,000 libraries available in Python. If you can't find a library for what you need, you're 100% allowed to write your own and distribute it!


Lists
Examples of lists
List ordered
- Step 1
- Step 2
- Step 3
- Step 4
- Step 5
List unordered
- Item
- Item
- Item
- Item
- Item
List definition
- Term
- Definition of the term
- Term
- Definition of the term
- Term
- Definition of the term
- Term
- Definition of the term
- Term
- Definition of the term


DICOM+.bat
file from the command line (Windows)DICOM+MIL.bat
file from the command line (Windows for VA)DICOM+.sh
file from the command line (Linux)Arguments, including files to be loaded, may be appended as command line arguments. See Running as a command line program for more details on command line invocation.
After the program has been started, more files may be loaded by dragging them onto the main window. If a directory is dragged, then all the immediate files under that directory will be loaded. Directories under a dragged directory will not be loaded. This is by design, to prevent inadvertent dragging of a top level directory that would cause the program to traverse a large number of files, possibly an entire disk.
Loading files does not change them, and the default behavior is to never over-write an existing file.
Any file that is not a DICOM file (such as txt or zip files) will be ignored. The requirements for a file to be considered a DICOM file are very loose - it must have at least one DICOM attribute. This loose requirement was intentional so as to allow the user to examine damaged or poorly constructed DICOM files. If a DICOM file has errors that make it partially unreadable, then DICOM+ will read as much as possible.


Enter the starting number (example: if the first file is "image3.png", enter 3):
Enter the file name (example: enter "img" if your files are named like img1.png, img2.png...):
Enter the file extension (examples: png, jpg, jpeg):
Select image files that will be used in training:
Enter the class names seperated with commas (example: classname1,classname2,classname3...):
Select an Image Block File to Load:
Enter batch size:
Enter a value for epochs:
Provide a name for the model:
After completing the steps above, you can try your ML model by clicking below. Try Your Model!
Last image in the data set:
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Selected images are displayed below:
Copyright (2021) Erol Ozan
This tool is an open source software licensed under Apache License 2.0.
The code is built on TensorFlow JS platform and modified the code provided by TensorFlow JS.


void swf_fonttracking ( float $tracking )
Set the font tracking to the value specified by the tracking parameter. This function is used to increase the spacing between letters and text, positive values increase the space and negative values decrease the space between letters.
No value is returned.


| Model | DataScript |
| View | Reagent (React) |
| Model → View | Posh + Tracks |
| Event handling | Callbacks |
| AI communication | Direct DB interaction |
| Model | Unchanged |
| View | Unchanged |
| Model → View | Unchanged |
| Event handling | Reified events + core.async |
| AI communication | Notifications and events |
(defn repair [conn ev] (let [db @conn [q r] (first (d/q '[:find ?q ?r :where [?a :app/selected-q ?q] [?a :app/selected-r ?r]] db))] (game/repair! conn (app/current-game-id db) q r) (clear-selection conn nil)))
(defmethod router/handle-event ::repair-selected [{:as handler-ctx :keys [db]} _] (let [game (app/current-game db) cur-faction-color (game/current-faction-color game) [q r] (app/selected-hex db)] {:dispatch [[:zetawar.events.game/execute-action {:action/type :action.type/repair-unit :action/faction-color cur-faction-color :action/q q :action/r r}] [::clear-selection]]}))
(defmethod router/handle-event ::execute-action [{:as handler-ctx :keys [db]} [_ action]] (let [game (app/current-game db)] ;; ... {:tx (game/action-tx db game action) :notify [[:zetawar.players/apply-action :faction.color/all action]]})))
(defn start [{:as router-ctx :keys [ev-chan]}] (go-loop [msg (<! ev-chan)] (when msg (try (log/debugf "Handling event: %s" (pr-str msg)) (handle-event* router-ctx msg) (catch :default ex (js/Raven.captureException ex) (log/errorf ex "Error handling event: %s" (pr-str msg)))) (recur (<! ev-chan)))))
(defn handle-event* [{:as router-ctx :keys [conn ev-chan notify-chan]} msg] (let [ev-ctx (assoc router-ctx :db @conn) {:as ret :keys [tx]} (handle-event ev-ctx msg)] (log/tracef "Handler returned: %s" (pr-str ret)) (when tx (log/debugf "Transacting: %s" (pr-str tx)) (d/transact! conn tx)) (doseq [new-msg (:dispatch ret)] (dispatch ev-chan new-msg)) (doseq [notify-msg (:notify ret)] (players/notify notify-chan notify-msg))))
(deftrack terrains [conn] (let [map-eid' @(game-map-eid conn)] (:map/terrains @(posh/pull conn [{:map/terrains terrain-pull}] map-eid')))) (deftrack map-width [conn] (or (->> @(terrains conn) (map :terrain/q) (apply max)) 0))
(defn score-actor [db game actor actor-ctx] (cond (game/unit? actor) (rand-int 100) (game/base? actor) (+ (rand-int 100) 100))) (defn score-base-action [db game base action-ctx action] (rand-int 200))
(defn mk-unit-action-ctx [db game actor-ctx unit] (assoc actor-ctx :closest-base (game/closest-capturable-base db game unit))) (defn score-unit-action [db game unit action-ctx action] (let [{:keys [closest-base]} action-ctx] (case (:action/type action) :action.type/capture-base 200 :action.type/attack-unit 100 :action.type/move-unit (let [[base-q base-r] (game/terrain-hex closest-base) {:keys [action/to-q action/to-r]} action base-distance (hex/distance base-q base-r to-q to-r)] (- 100 base-distance)) 0)))