Version 3.2.3 is backward compatible to version 3.2.2, that is models developed with versions 3.0, 3.0.1, 3.1, 3.2, 3.2.1 or 3.2.2 will work without any changes also with version 3.2.3. This version is a "clean-up" with major emphasis on quality improvement and tool compatibility. The goal is that all Modelica tools will support this package and will interpret it in the same way. Short Overview:
The exact difference between package Modelica version 3.2.3 and version 3.2.2 is summarized in a comparison table.
The following new
libraries have been added:
| Modelica.Magnetic.QuasiStatic.FluxTubes | This library provides models for the investigation of quasi
static electromagnetic devices with lumped magnetic networks in a
comparable way as Modelica.Magnetic.FluxTubes. (This library was developed by Christian Kral). |
| Modelica.Electrical.Machines.Examples.ControlledDCDrives | This library demonstrates the control of a permanent magnet dc
machine: current control, speed control and position control along
with the necessary components in sublibrary Utilities. (This library was developed by Anton Haumer). |
The following new
components have been added to existing libraries:
| Modelica.Blocks.Interfaces.Adaptors | |
| FlowToPotentialAdaptor PotentialToFlowAdaptor |
Partial adaptors for generation of FMUs, optionally taking first and second derivative into account, for consistent components in various domains. |
| Modelica.Blocks.Math | |
| Power | Computes the power of the input signal. |
| WrapAngle | Wraps the angle signal at the input to the interval ]-π, π] or [0, 2π[. |
| Pythagoras | This block determines the hypotenuse from the legs or one leg from the hypotenuse and the other leg. |
| TotalHarmonicDistortion | This block calculates THD of the signal at the input. |
| RealFFT | This block samples the input and calculates the FFT, writing the result to a mat file when the simulation terminates. |
| Modelica.Blocks.Routing | |
| Multiplex | Multiplexer block for arbitrary number of input signals |
| DeMultiplex | Demultiplexer block for arbitrary number of output signals |
| Modelica.Blocks.Tables | |
| CombiTable2Dv | Variant of CombiTable2D (table look-up in two dimensions) with vector inputs and vector output |
| Modelica.ComplexBlocks.Routing | |
| Replicator ExtractSignal Extractor ComplexPassThrough |
Complex implementations analogous to the real implementations. |
| Modelica.ComplexBlocks.ComplexMath | |
| Bode | Determine variables of a Bode diagram. |
| Modelica.ComplexBlocks.Sources | |
| RampPhasor | A source of a phasor with constant angle and ramped amplitude. |
| Modelica.Electrical.Analog.Basic | |
| GeneralCurrentToVoltageAdaptor GeneralVoltageToCurrentAdaptor |
Adaptors for the generation of FMUs, optionally taking first and second derivative into account. |
| Modelica.Electrical.Analog.Sensors | |
| MultiSensor | Measures voltage, current and power simultaneously. |
| Modelica.Electrical.MultiPhase.Sensors | |
| MultiSensor | Measures voltage, current and active power for each phase as well as total power simultaneously. |
| AronSensor | Measures active power for a threephase system by two singlephase power sensors in an Aron circuit. |
| ReactivePowerSensor | Measures reactive power for a threephase system. |
| Modelica.Electrical.Machines.Examples | |
| SMEE_DOL | Electrically excited synchronous machine, starting direct on line via the damper cage, synchronised by increasing excitation voltage. |
| SMR_DOL | Synchronous reluctance machine, starting direct on line via the damper cage, synchronised when reaching synchronous speed. |
| Modelica.Electrical.Machines.Sensors | |
| HallSensor | Simple model of a hall sensor, measuring the angle aligned with the orientation of phase 1. |
| Modelica.Electrical.PowerConverters.DCAC.Control | |
| PWM SVPWM IntersectivePWM |
Standard three-phase pwm algorithms: space vector and intersective. |
| Modelica.Electrical.PowerConverters.DCDC | |
| ChopperStepUp | Step up chopper (boost converter) model. |
| Modelica.Electrical.QuasiStationary.SinglePhase.Sensors | |
| MultiSensor | Measures voltage, current and apparent power simultaneously. |
| Modelica.Electrical.QuasiStationary.MultiPhase.Sensors | |
| MultiSensor | Measures voltage, current and apparent power for m phases as well as total apparent power simultaneously. |
| AronSensor | Measures active power for a threephase system by two singlephase power sensors in an Aron circuit. |
| ReactivePowerSensor | Measures reactive power for a threephase system. |
| Modelica.Electrical.QuasiStationary.{SinglePhase, MultiPhase}.Sources | |
| FrequencySweepVoltageSource FrequencySweepCurrentSource |
Voltage source and current source with integrated frequency sweep. |
| Modelica.Mechanics.MultiBody | |
| Visualizers.Rectangle | A planar rectangular surface. |
| Modelica.Mechanics.Rotational.Components | |
| GeneralAngleToTorqueAdaptor GeneralTorqueToAngleAdaptor |
Adaptors for the generation of FMUs, optionally taking first
and second derivative into account. Note: These adaptors give the same results as: AngleToTorqueAdaptor TorqueToAngleAdaptor but extend from Modelica.Blocks.Interfaces.Adaptors like adaptors in other domains. |
| Modelica.Mechanics.Rotational.Sources | |
| EddyCurrentTorque | Rotational eddy current brake. |
| Modelica.Mechanics.Translational.Components | |
| GeneralForceToPositionAdaptor GeneralPositionToForceAdaptor |
Adaptors for the generation of FMUs, optionally taking first and second derivative into account. |
| Modelica.Mechanics.Translational.Sources | |
| EddyCurrentForce | Translational eddy current brake. |
| Modelica.Magnetic.FundamentalWave.Examples | |
| A lot of new test examples for fundamental wave machines. | |
| Modelica.Magnetic.QuasiStatic.FundamentalWave.Sensors | |
| RotorDisplacementAngle | Measures the rotor displacement angle of a quasi-static machine. |
| Modelica.Thermal.HeatTransfer.Components | |
| GeneralHeatFlowToTemperatureAdaptor GeneralTemperatureToHeatFlowAdaptor |
Adaptors for the generation of FMUs, optionally taking first derivative into account. |
| Modelica.Thermal.FluidHeatFlow.Examples | |
| WaterPump TestOpenTank TwoTanks TestCylinder |
New examples testing and demonstrating the new resp. enhanced components. |
| Modelica.Thermal.FluidHeatFlow.Components | |
| Pipe | A pipe model with optional heatPort which replaces the isolatedPipe and the heatedPipe. |
| OpenTank | A simple model of an open tank. |
| Cylinder | A simple model of a piston/cylinder with translational flange. |
| OneWayValve | A simple one way valve model (comparable to an electrical ideal diode) |
| Modelica.Thermal.FluidHeatFlow.Media | |
| Water_10degC Water_90degC Glycol20_20degC Glycol50_20degC MineralOil |
Several new records defining media properties. |
| Modelica.Thermal.FluidHeatFlow.Interfaces.Partials | |
| SinglePortLeft | Replaces the (now obsolete) partial model Ambient and is also used for Sources.AbsolutePressure. |
| SinglePortBottom | Same as SinglePortLeft but with the flowPort at the bottom; used for the new Components.OpenTank model. |
| Modelica.Constants | |
| q | The elementary charge of an electron. |
| Modelica.Icons | |
| FunctionsPackage | This icon indicates a package that contains functions. |
| RecordPackage | This icon indicates a package that contains records. |
The following existing
components have been marked as obsolete and will be removed in a future release:
| Modelica.Blocks.Interfaces.Adaptors | |
| SendReal SendBoolean SendInteger ReceiveReal ReceiveBoolean ReceiveInteger |
Use expandable connectors instead. |
| Modelica.StateGraph.Temporary | |
| SetRealParameter | Use parameter Real instead. |
| anyTrue | Use Modelica.Math.BooleanVectors.anyTrue instead. |
| allTrue | Use Modelica.Math.BooleanVectors.allTrue instead instead. |
| RadioButton | Use future model from Modelica.Blocks.Interaction instead. |
| NumericValue | Use Modelica.Blocks.Interaction.Show.RealValue instead. |
| IndicatorLamp | Use Modelica.Blocks.Interaction.Show.BooleanValue instead. |
| Modelica.Electrical.Digital.Converters | |
| LogicToXO1 LogicToXO1Z |
Use LogicToX01 or LogicToX01Z instead. |
| Modelica.Electrical.Machines | |
| BasicMachines.Components.BasicTransformer | Use Interfaces.PartialBasicTransformer instead. |
| Modelica.Electrical.Spice3.Internal | |
| BJT | Use BJT2 instead. |
| Bjt3.* | Use revised classes instead. |
| Modelica.Mechanics.MultiBody | |
| Examples.Loops.Utilities.GasForce | Use Examples.Loops.Utilities.GasForce2 instead. |
| Sensors.TansformAbsoluteVector Sensors.TansformRelativeVector |
Use Sensors.TransformAbsoluteVector or Sensors.TransformRelativeVector instead. |
| Visualizers.Ground | Use ground plane visualization of World or Visualizers.Rectangle instead. |
| Modelica.Fluid.Icons | |
| VariantLibrary BaseClassLibrary |
Use icons from Modelica.Icons instead. |
| Modelica.Media.Examples | |
| Tests.Components.* | Use classes from Utilities instead. |
| TestOnly.* Tests.MediaTestModels.* |
Use test models from ModelicaTest.Media instead. |
| Modelica.Thermal.FluidHeatFlow | |
| Components.IsolatedPipe Components.HeatedPipe |
Extend from the new pipe model with optional heatPort. |
| Interfaces.Partials.Ambient | Extends from SinglePortLeft. |
| Modelica.Math | |
| baseIcon1 baseIcon2 |
Use icons from Modelica.Math.Icons instead. |
| Modelica.Icons | |
| Library Library2 GearIcon MotorIcon Info |
Use (substitute) icons from Modelica.Icons, Modelica.Mechanics.Rotational.Icons or Modelica.Electrical.Machines.Icons instead. |
| Modelica.SIunits.Conversions.NonSIunits | |
| FirstOrderTemperaturCoefficient SecondOrderTemperaturCoefficient |
Use Modelica.SIunits.LinearTemperatureCoefficientResistance or Modelica.SIunits.QuadraticTemperatureCoefficientResistance instead. |
The following existing
components have been improved in a backward compatible way:
| Modelica.Blocks.Continuous | |
| Integrator LimIntegrator |
Added optional reset and set value inputs. |
| LimPID | Added an optional feed-forward input. |
| Modelica.Blocks.Sources | |
| CombiTimeTable | The time events were not considered at the interval boundaries
in case of linear interpolation and non-replicated sample points.
This has been generalized by introduction of the new parameter
timeEvents with the default option to always generate
time events at the interval boundaries, which might lead to slower,
but more accurate simulations. |
| BooleanTable IntegerTable |
Added options to set start time, shift time and extrapolation kind, especially to set periodic extrapolation. |
| Modelica.Blocks.Tables | |
| CombiTable1D CombiTable1Ds CombiTable2D |
Added option to set the extrapolation kind and to optionally print a warning in case of extrapolated table input. |
The following existing
components have been changed in a non-backward compatible way:
| Modelica.Blocks | |
| Interfaces.PartialNoise Noise.UniformNoise Noise.NormalNoise Noise.TruncatedNormalNoise Noise.BandLimitedWhiteNoise |
As a side-effect of the corrected computation in
Modelica.Math.Random.Utilities.impureRandomInteger the
localSeed parameter is computed differently if
useAutomaticLocalSeed is set to true. |
| Modelica.Mechanics.MultiBody | |
| World | Added new parameter animateGround for optional
ground plane visualization.Users that have copied the World model (of MSL 3.0, 3.0.1, 3.1, 3.2, 3.2.1, or 3.2.2) as an own World model and used it as inner world component, might have broken their models. Generally, for MSL models with sub-typing (due to inner/outer), it is strongly suggested to extend from this MSL model, instead of copying it. |
| Modelica.Media.Interfaces | |
| PartialMedium | Added new constant C_default as default value for
the trace substances of medium.Users that have created an own medium by inheritance from the PartialMedium package and already added the C_default constant, might have broken their models. Users that have copied the PartialMedium package (of MSL 3.0, 3.0.1, 3.1, 3.2, 3.2.1, or 3.2.2) as an own Medium package, might have broken their models. Generally, for MSL classes with sub-typing (due to a replaceable declaration), it is strongly suggested to extend from this MSL class, instead of copying it. |
The following critical
errors have been fixed (i.e., errors that can lead
to wrong simulation results):
| Modelica.Blocks.Sources | |
| TimeTable | The derivative of the TimeTable output could no
longer be determined. This has been corrected. |
| Modelica.Media.Air | |
| MoistAir.molarMass ReferenceMoistAir.molarMass |
The computation of the function output MM was
wrong. This has been corrected. |
| Modelica.Media.IdealGases.Common.Functions | |
| thermalConductivityEstimate | The computation of the function output lambda was
wrong for the modified Eucken correlation, i.e., if
method is set to 2. This has been corrected. |
| Modelica.Media.IdealGases.Common.SingleGasesData | |
| CH2 CH3 CH3OOH C2CL2 C2CL4 C2CL6 C2HCL C2HCL3 CH2CO_ketene O_CH_2O HO_CO_2OH CH2BrminusCOOH C2H3CL CH2CLminusCOOH HO2 HO2minus OD ODminus |
The coefficients for blow , ahigh and
bhigh were wrong. This has been corrected. |
| Modelica.Media.IdealGases.Common.MixtureGasNasa | |
| mixtureViscosityChung | The computation of the function output etaMixture
was wrong. This has been corrected. |
| Modelica.Media.Incompressible.TableBased | |
| BaseProperties | The unit of the gas constant R for table based
media was not correctly considered. This has been corrected. |
| Modelica.Math.Random.Utilities | |
| impureRandomInteger | The function output y was not computed to yield a
discrete uniform distribution for a minimum value imin
of 1. This has been corrected. |


Object-oriented programming helps you hide the details of a class. You can expose certain parts of your class to others.
You should generally avoid creating public fields. You can make all your fields private. You can give access to the values in these fields with accessors.
Accessors are methods which access fields on the behalf of the world outside your class.
There are two types of accessors. * Get Accessor * Set Accessor
A get accessor is also known as getter. It is a method which gets the value of a field.
A set accessor is also known as setter. It is a method that sets the value of a field.
Accessors are usually named getField
and setField
. For example, for a
field named age
, the accessors are named getAge
and setAge
.
Here is an example.
class Rocket {
private double mass;
private double velocity;
private double acceleration;
public void setMass(double m) {
mass = m;
}
public double getMass() {
return mass;
}
public void setVelocity(double v) {
velocity = v;
}
public double getVelocity() {
return velocity;
}
public void setAcceleration(double a) {
acceleration = a;
}
public double getAcceleration() {
return acceleration;
}
}
In the above example, mass
, velocity, and
acceleration` are private fields.
You cannot access them directly outside the class. You need to use their accessors
instead.
Accessors have the following advantages over public fields.
Here is an example of a rectangle, where an accessor evaluates the value.
class Rectangle {
private double width;
private double height;
public void setWidth(double w) {
width = w;
}
public double getWidth() {
return width;
}
public void setHeight(double h) {
height = h;
}
public double getHeight() {
return height;
}
public double getArea() {
return width * height;
}
}
For example, imagine you have a class Adult
. It has an integer property
named age
. Its value can be 18 or greater. You can write a setter which
ignores invalid values like this.
class Adult {
...
private int age;
public void setAge(int a) {
if (a >= 18) {
age = a;
}
}
public int getAge() {
return age;
}
...
}
In fact, using accessors is actually a design pattern known as the Accessor Pattern. It is designed to provide a consistent way to read and write values of class fields while hiding the fields from the outside world. This pattern is very common because fields are usually private.


@* * This template takes a single argument, a String containing a * message to display. *@ @() @* * Call the the `main` template with two arguments. The first * argument is a `String` with the title of the page, the second * argument is an `Html` object containing the body of the page. *@ @main("Drawing page") { @* * Get an `Html` object by calling the built-in Play welcome * template and passing a `String` message. *@


EMEA Live Stream
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EMEA Live Stream
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EMEA Territory Marketing Director, Intel
®
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Forrester
®
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DATE
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PANEL OF EXPERTS
Roy Ng
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George Chacko
Director, Global Account Lenovo, APJ, Intel
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Senior Analyst,
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Vector Load/Store Width Encoding
Vector loads and stores have an EEW encoded directly in the instruction. The corresponding
EMUL is calculated as EMUL = (EEW/SEW)*LMUL. If the EMUL would be out of range (EMUL>8 or EMUL<
<1/8), the instruction encoding is reserved. The vector register groups must have legal register
specifiers for the selected EMUL; the instruction encoding is otherwise considered reserved.
Vector unit-stride and constant-stride use the EEW/EMUL encoded in the instruction for the
data values, while vector indexed loads and stores use the EEW/EMUL encoded in the instruction for the
index values and the SEW/LMUL encoded in vtype for the data values.
Vector loads and stores are encoded using width values that are not claimed by the standard
scalar floating-point loads and stores.
The mew bit (inst[28]) when set is expected to be used to encode expanded memory sizes of
128 bits and above, but these encodings are reserved at this point.
Vector loads and stores for EEWs of all supported SEW settings must be provided in an
implementation. Vector load/store encodings for unsupported EEW widths are reserved.
TABLE: Width encoding for vector loads and stores.
|
| |
mew |
width [2:0] |
Mem bits |
Data Reg bits |
Index bits |
Opcodes |
| Standard scalar FP |
x |
0 |
0 |
1 |
16 |
FLEN |
- |
FLH/FSH |
| Standard scalar FP |
x |
0 |
1 |
0 |
32 |
FLEN |
- |
FLW/FSW |
| Standard scalar FP |
x |
0 |
0 |
1 |
16 |
FLEN |
- |
FLD/FSD |
| Standard scalar FP |
x |
0 |
0 |
1 |
16 |
FLEN |
- |
FLQ/FSQ |
| Vector 8b element |
0 |
0 |
0 |
1 |
16 |
FLEN |
- |
VLxE8/VSxE8 |
| Vector 16b element |
0 |
0 |
0 |
1 |
16 |
FLEN |
- |
VLxE16/VSxE16 |
| Vector 32b element |
0 |
0 |
0 |
1 |
16 |
FLEN |
- |
VLxE32/VSxE32
|
| Vector 64b element |
0 |
0 |
0 |
1 |
16 |
FLEN |
- |
VLxE64/VSxE64
|
| Vector 8b index |
0 |
0 |
0 |
1 |
16 |
FLEN |
- |
VLxEI8/VSxEI8 |
| Vector 16b index |
0 |
0 |
0 |
1 |
16 |
FLEN |
- |
VLxEI16/VSxEI16 |
| Vector 32b index |
0 |
0 |
0 |
1 |
16 |
FLEN |
- |
VLxEI32/VSxEI32 |
| Vector 64b index |
0 |
0 |
0 |
1 |
SEW |
SEW |
64/td>
| VLxEI64/VSxEI64 |
Mem bits is the size of each element accessed in memory.
Data reg bits is the size of each data element accessed in register.
Index bits is the size of each index accessed in register.


I am a 30 years old italian girl , admirer of her country, its beauty, its potential but with an inner international spirit. I'd consider myself a "glocal". I am a fast learner, good observer and active listener. After the Master's Degree in Corporate and Public Communication, I've so far experienced over 5 years in communication and events offices, in different businesses and contexts.
.
Since I was a teenager, I have had an inner passion for English language which brought me to the decision to study in the UK during the University nurturing my wish to become as close as possible to a mothertongue speaker one day; some years ago, I have been a tour leader with Education First of a group of kids studying English in Malta, and the teachings I gained from this experience are countless beyond the happiness to transmit my passion. As time passes, this interest has involved also Spanish language; I love travelling, photography, getting informed about places and, most of all, tell others about places, and this is why I am an occasional volunteer with Fondo Ambiente Italiano and I've created an Instagram profile where I express my thoughts about my trips around Italy.


- When in 'training' mode, ensure an anatomical structure is selected from the drop-down menu
- Using the mouse, left-click around the anatomical structure you are segmenting
- Lines connecting the points will automatically be drawn
- If you make a mistake, use the right-click button to remove a point
- You can also left-click, hold, and drag points to manipulate their placement
- Once finished, simply hit return and focus will be taken away from the created polygon
- Now, you can begin segmenting another structure (following the same procedure as above)
- Or, if you have segmented all subregions, you can click the 'Save Regions' button when training
- To classify a region, click 'Classify Region' after training a model


--- layout: archive title: Zulip Chat Archive permalink: /stream/116395-maths/topic/decreasing.20induction.html ---
I can not find the fact that, if a property P n
holds and if P (i+1)
implies P i
for all i
, then P m
holds whenever m <= n
. Is this already in mathlib?
Last updated: Apr 24 2020 at 19:02 UTC


Add Dynamic DNS This page allows you to add a Dynamic DNS address from DynDNS.org, No-IP.com or Now-IP.com. D-DNS provider DynDNS.org No-IP.com Now-IP.com Hostname Interface DynDNS Settings Username Password No-IP Settings Email Password Now-IP Settings Email Password


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A function is uninterpreted when it is defined on uninterpreted types.
This means that there is no additional theory associated with the function's input and output types (either providing or constraining possible inputs or outputs) beyond declarations and definitions provided by the user.
Many functions in Ivy programs are uninterpreted.
All a solver knows about an uninterpreted function is:
- The function exists.
- It can be applied to terms of its input type.
- Such applications are terms of its output type.
- Occurrences of the function must satisfy other properties or axioms declared by the user.
Importantly: satisfiability of terms in the theory of uninterpreted functions ("UF") is decidable, and all SMT solvers include a decision procedure for it (called "unification").
This fact -- that satisfiability of UF is decidable -- may seem surprising or counterintuitive because solvers "know so little" about the functions in UF. They may be anything!
But the point is that UF itself is a small theory -- it doesn't include basic arithmetic -- and since the types involved in an uninterpreted function are themselves uninterpreted, there are:
- very few possibilities for ground terms of an uninterpreted type serving as input to the function (only those individuals explicitly declared, or other applications of uninterpreted function)
- very few possible constraints that might occur in a UF formula that would cause a given candidate model not to satisfy the formula
So simple decision procedures like "plug in all possible ground terms" work.
In general, more-powerful theories become less decidable; and UF is not a very powerful theory.
UF is a sub-theory of all the fragments used in Ivy.


Template Test
With raw, encoded, eval, loops, branching, variables
With custom helpers
With custom delimiters


On doing a little research on this herb, and currently trying to induce lucid dreams, I decided to buy 3 grams of 10x extract in order to try it out.
I had tried it one night with a friend, both in the form of a single gel cap, and nothing happened. I tried it again the second night in the form of two gel caps and a bit mixed with some cannabis (very bitter smoke), there was some potentiation of dreams, but not much.
I think these two attempts were marred by having other chemicals in my system (mescaline, cannabis, harmaline).
The third attempt I swallowed around a gram straight from the bag. It was bitter stuff, worse than ayahuasca. I chilled for a while listening to music and then went to sleep.
My dreams that night were very vivid. I was with a uni friend in a town I didn't know, and it all seemed pretty normal and non-dream like. I was at home in the evening and had to collect algae and pond life for someone, which never got completed and I left with my friend. A tree had fallen down across the road- 1 in 15 chance of that occurring I remarked in my dream. We got into town and were walking down a street when I noticed that whenever his fingers touched anything it would produce a fizzle of electricity. It was this observation that made me realise I was dreaming. I then ran down the street and jumped into the air and began to fly effortlessly. I had to grab my friend ho was unable. Flying is one of my favourite experiences of lucid dreaming, and I'd wanted to do it again for a while.
I seemed to be able to remember many details of the dream. When I've had a dream I often wake up during the night to log the details of it in a dream journal. This is all in the hope of increasing my dream recall to assist in my attempts at lucid dreaming. I usually remember at least one dream a night, sometimes more, and rarely become lucid (often losing it later in the dream) without meaning to be. I've noticed it is harder to become lucid now than when I was younger. My drams these days are often very vivid, and I think this my have been potentiated by psychedelic use.
My second lucid dream I failed to write down and can't remember much of now. It involved discussions on ketamine, Banisteriopsis caapi extract and lots more flying.
I've never had two vivid lucid dreams in a row in the same night. The mood lift that followed this lasted into the next day.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


--- layout: default title: About nav: about summary: About Me ---
Hi! I'm Shawn Hanna and I'm a robotics enthusiast with a mind for designing interesting and complex robotics systems. I've spent over 13 years working on robotics projects and having more fun doing it than I thought possible. I hope to continue contributing to the field and help robotics become the defining characteristic of the 21st century.
Click here for my resume (updated November, 2020)
To find a bit more information about projects I'm involved in, click on the projects tab at the top of this page.
If you want to contact me, feel free to send me a message on LinkedIn.


Innovation within
[To be updated soon...]With the advent of web 3.0, the decentralized services are a rise. The existing services doesn't scale up with participation. We are implementing a new algorithm to leverage this and dragging it to the user space to make P2P knowledge sharing , learning a success and the whole process scales up with you . Just this algorithm is patented @adysenlab


This tab will enable the G# Active Debug. It is a powerful way of debugging and testing methods without actual need to create and application. When enabling the active debug, the current active project (from which the debugger is lauched) will be scanned for classes and placed in the tree view control. Select a method in the tree view and the panel of the method will show up in the subpanel to the right. If a constructor method (the Create.vi) is selected and executed by the Run VI button, an object is created and the reference cached in the debugger. Then, another method of the class (or a parent class) could be selected to be executed. Control values could be edited in the subpanel before running it. It is also possible to open the front panel in the by either double clicking in the tree view or press the Open VI Panel button. The method VI could then be executed directly by using the standard Run button. Notice that you have to select the VI in the tree view before executing it, because the cached reference needs to be copied to the input reference of the method.
All created objects will of course show up in the objects tab and trace tab. To destroy the object, run the Destroy method or use the Garbage Collector button on the Objects tab. It is also possible to select any object in the object tree view and use this as the cached object.
|
Tab Control Selects between Objects, Trace or Active Debug mode. |
|
Enable Active Debug Enables active debug mode. External create process will own the created objects. |
|
DebugTree All classes and public methods in the current active project. |
|
Wait Until Done Waits until the VI is finished until releasing control back to debugger. |
|
Run VI Runs the selected VI. Object reference is cached. |
|
Abort VI Aborts the selected VI (if running). |
|
Open Panel Opens the front panel of the selected VI. |
|
External Create Process Running Indicates if the background external create process is running. |
|
Window Transparency Transparency of the front panel window. |
|
Window Behaviour Selects if the debugger is on top of all VIs or not. |
|
Cached Ref Valid Each time a constructor is executed, the last reference is cached and will be copied to the new selected, opened or executed methods 'reference in'. |
|
Object ID Unique object id of the cached reference. |
|
Cached Reference Class Name Class of the cashed reference. |
|
G# Version Version of G#. |
|
Object ID Unique object identity. |
|
Application Instance Application instance of the object scope. |
|
Owner Owning top-level VI of the selected object. When this VI stops executing, LabVIEW will automatically garbage collect the object. |


jQuery rTable is a jQuery plugin which allows you to make your table's columns resizable.
| ID | Name | Country | City | |
|---|---|---|---|---|
| 1 | James Porter | China | Bilian |<EMAIL_ADDRESS>|
| 2 | Annie Hicks | Philippines | Lunec |<EMAIL_ADDRESS>|
| 3 | Mary James | United States | Colorado Springs |<EMAIL_ADDRESS>|
| 4 | David Burke | Peru | Tocota |<EMAIL_ADDRESS>|


Call this when you want to install a package for the ui portion of a project. This will be accessible for all mobile and web app builds.
yo scaffi:install-ui ng-table
yo scaffi:install-ui github:angular-wizard/angular-wizard
!!! We don't want to use npm install * directly anymore, because there are processes in the framework that keep everything in-sync for not only the build, but for everyone on the project. Always use one of the yo scaffi:install-* commands when adding a package. !!!
This command is used if you want to install npm/github packages that will be used in all platform builds, from mobile to web. Use it like you would npm install.
Otherwise it's just a typical Angular inject like normal:


I'm an entrepreneur, a tech head and an aspiring Data Scientist
-
I love having control (I mean who doesn't). This
website for example - I control the design and the architecture.
For my projects, I try to streamline the process to make the
different teams work in tandem.
This is what draws me towards data. Working with big data provides
the kind of control I like. The feeling of being overwhelmed by
millions of datapoints and making sense of it. Manipulating it and
visualising it to make algorithms - It makes me feel alive!
An mobile app that helps students find study partners for their courses, projects and hackathons Being deployed to 5 universities across North America and is expected to have a user base of over 10,000 students.
A recommendation engine (endorsed by the Univeristy of Toronto) that recommends personalised review questions to students based on their past answers Built using Collaborative Filtering and Auto Encoder and deployed on Django and integrated with the university servers. Being used by professors and students at UofT
Personal project where I use the data collected form Spotify API to perform Time Series Analysis and build a content based recommendation system Deployed using Flask and Heroku.
Check out my resume for further details
Find my publication on "Recommending Personalised Review Questions using Collaborative Filtering" here!


|
|
| mysfmlcanvas (QWidget *parent=0) |
| |
|
canvas_controller * | controller () |
| |
|
ophidian::gui::canvas * | canvas () |
| |
|
void | OnInit () |
| |
|
void | OnUpdate () |
| |
|
void | wheelEvent (QWheelEvent *e) |
| |
|
void | resizeEvent (QResizeEvent *e) |
| |
|
void | keyPressEvent (QKeyEvent *e) |
| |
|
void | mousePressEvent (QMouseEvent *e) |
| |
|
void | mouseMoveEvent (QMouseEvent *e) |
| |
|
void | mouseReleaseEvent (QMouseEvent *e) |
| |
|
void | center_view_on (const ophidian::geometry::point< double > &p1) |
| |
|
void | view_size (const ophidian::geometry::point< double > &size) |
| |
|
ophidian::gui::line | line_create (const ophidian::geometry::point< double > &p1, const ophidian::geometry::point< double > &p2) |
| |
|
ophidian::gui::quad | quad_create (const ophidian::geometry::point< double > &p1, const ophidian::geometry::point< double > &p2, const ophidian::geometry::point< double > &p3, const ophidian::geometry::point< double > &p4) |
| |
|
ophidian::gui::drawable_batch< 4 > & | quads () |
| |
|
const std::array< sf::Vertex, 4 > & | quad_points (ophidian::gui::quad the_quad) const |
| |
|
void | quads_animate (ophidian::gui::batch_animation *animation) |
| |
|
template<class T > |
| void | destroy (T element) |
| |
|
template<class T > |
| void | transform (T element, const sf::Transform &transformation) |
| |
|
template<class T > |
| void | paint (T element, sf::Color color) |
| |
|
void | quad_update (ophidian::gui::quad element, const ophidian::geometry::point< double > &p1, const ophidian::geometry::point< double > &p2, const ophidian::geometry::point< double > &p3, const ophidian::geometry::point< double > &p4) |
| |
The documentation for this class was generated from the following files:
- /home/csguth/workspace/openeda/src/gui/mysfmlcanvas.h
- /home/csguth/workspace/openeda/src/gui/mysfmlcanvas.cpp


Welcome, ${user!"no name"}!
Create a new user
name
login
password
<#list users as user>
${user.name}
${user.login}
${user.password}
#list>


Host Pulse on a dedicated Web application server to make the Pulse application available at a consistent address, or to use SSL for accessing the Pulse application. When you host Pulse in this way, you also configure Pulse to connect to a specific locator or JMX Manager node for monitoring.
To host Pulse on a Web application server:
Set the
http-service-port
property to zero (-Dgemfire.http-service-port=0
) when you start your Geode JMX Manager nodes. Setting this property to zero disables the embedded Web server for hosting the Pulse application.Deploy the Pulse Web application to your application server. Geode installs the
geode-pulse-n.n.n.war
file (wheren.n.n
is a version number) in thetools/Pulse
subdirectory of your Geode installation directory. Depending on your application server, you may need to copy thepulse.war
file to a deployment directory or use a configuration tool to deploy the file.Stop the Web application server and locate the Pulse configuration in the
WEB-INF/classes
subdirectory.Edit
pulse.properties
, defining or redefining any of the following configuration properties as needed for your application:Property Description pulse.useLocator
Specify “true” to configure Pulse to connect to a Geode Locator member, or “false” to connect directly to a JMX Manager. When Pulse connects to a Geode locator, the locator provides the address and port of an available JMX Manager to use for monitoring the distributed system. In most production deployments, you should connect Pulse to a locator instance; this allows Pulse to provide monitoring services using any available JMX Manager.
If you specify “false,” Pulse connects directly to a specific JMX Manager. If this manager is not available, the Pulse connection fails, even if another JMX Manager is available in the distributed system.
pulse.host
Specify the DNS name or IP address of the Geode locator or JMX Manager machine to which Pulse should connect. You specify either a locator or JMX Manager address depending on how you configured the pulse.useLocator
property.pulse.port
Specify the port number of the Geode locator or the HTTP port number of the JMX Manager to which Pulse should connect. You specify either a locator or JMX Manager port depending on how you configured the pulse.useLocator
property.If you configured
pulse.useLocator=false
, thenpulse.port
must correspond to thehttp-service-port
setting of the JMX Manager.For example, with the default
pulse.properties
configuration, Pulse connects to the locator at port 10334 and accesses any available JMX Manager:pulse.useLocator=true pulse.host=localhost pulse.port=10334
With this modified configuration, Pulse accesses only the JMX Manager instance at port 8080:
pulse.useLocator=false pulse.host=jmxsrv.mycluster.com pulse.port=8080
If a JMX manager or locator is configured to use SSL, you can configure Pulse to connect to these processes. Edit
pulsesecurity.properties
to un-comment the standard Java SSL properties:javax.net.ssl.keyStore={KeyStorePath} javax.net.ssl.keyStorePassword={KeyStorePassword} javax.net.ssl.trustStore={TrustStorePath} javax.net.ssl.trustStorePassword={TrustStorePassword}
Substitute the appropriate paths and passwords for the bracketed placeholders.
To change Pulse logging behavior, edit
log4j2.xml
in the same directory. The default configuration sets the logging level toINFO
and specifies a message pattern that includes the date, name of the reporting logger, error level, name of the reporting thread, and the error message. Refer to the Apache Log4j documentation for details on how to specifylog4j2.xml
content and syntax.Restart the Web application server.
Access the Pulse application using the address, port, and application URL that you configured in your Web application server. For example, with Tomcat the default URL is
http://*address*:8080/pulse
. Your application server provides options for configuring the address, port, and application name; substitute the correct items to access the deployed Pulse application.Pulse connects to the locator or JMX Manager that you configured in the
pulse.properties
file, authenticating using the credentials that you configured in the file.If you have configured authentication for the Pulse application, enter the username and password of a valid Pulse account in the login screen. Otherwise, enter the default “admin” in both fields. Click Sign In to continue.
After you log in, Pulse displays the main cluster view for the distributed system to which it has connected. See Using Pulse Views.


The following links are considered useful by me and collected here because I need them on a regular basis.
If you believe something is missing, feel free to propose it.


CAFE PIZZA
"Every Bite Should Taste Like Heaven"
"Every Bite Should Taste Like Heaven"
The most important thing about Cafe Pizza is its unbeatable taste.
While eating pizza crust topped with
tomato sauce and cheese, our taste buds are stimulated by glutamate. Cafe pizza coatings like mushrooms are
also rich in glutamate.
Similar flavor compounds can pair really well together to make the food tastier.
| MEAT | large | medium | small |
| HAWAIIAN | 1500 | 1000 | 500 |
| MEXICAN FIESTA | 1000 | 750 | 500 |
| CHESSY SALAMI | 1050 | 800 | 600 |
| NDUJA | 1050 | 800 | 600 |
| PEPORONI | 1050 | 800 | 600 |
| CHICKEN | |||
|---|---|---|---|
| BBQ CHICKEN | 1000 | 750 | 550 |
| CHICKEN & MUSHROOM | 1000 | 750 | 550 |
| PERI PERI CHICKEN | 1050 | 800 | 600 |
| TIKKA CHICKEN | 1050 | 800 | 600 |
| SWEET CHILLI CHIKEN | 1050 | 800 | 600 |
| VEGETARIAN | |||
|---|---|---|---|
| MARGHERITA | 900 | 700 | 350 |
| CHEESE | 900 | 700 | 350 |
| ORIGINAL VEGI | 900 | 700 | 350 |


Asphyxiant Gas
The gas makes it impossible to breath and therefore makes it impossible to cast spells.
${value} second(s) of Skill Disruption
min: [3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0]
MaxLevel
6
UltimateLevel
10


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package
concurrent
Type Members
-
class
AkkaFuture
[A]
extends AnyRef
-
class
AkkaPlugin
extends Plugin
-
class
AkkaPromise
[A]
extends Promise[A]
-
trait
NotWaiting
[+A]
extends PromiseValue[A]
-
trait
Promise
[+A]
extends AnyRef
-
trait
PromiseValue
[+A]
extends AnyRef
-
class
Recover
[+T]
extends PartialFunction[Throwable, T]
-
trait
Redeemable
[-A]
extends AnyRef
-
type
RedeemablePromise
[A]
= Promise[A] with Redeemable[A]
-
case class
Redeemed
[+A]
(a: A) extends NotWaiting[A] with Product with Serializable
-
class
STMPromise
[A]
extends Promise[A] with Redeemable[A]
-
case class
Thrown
(e: Throwable) extends NotWaiting[Nothing] with Product with Serializable
Value Members
-
object
Akka
extends AnyRef
-
object
Promise
extends AnyRef
-
-
object
Waiting
extends PromiseValue[Nothing] with Product with Serializable
-
implicit def
akkaToPlay
[A]
(future: Future[A]): AkkaFuture[A]
Utility classes commonly useful in concurrent programming, such as Promise and Akka helpers. For example:


rr
Low overhead recording and replay of applications (trees of
processes and threads).
Record nondeterministic inputs, replay deterministically.
Offline debugging: record intermittent test failures "at scale"
online, debug the recordings offline at leisure.
Deterministic debugging: record nondeterministic failure once,
replay deterministically forever.
Omniscient debugging: step backwards in time; issue queries over
program state changes.
rr record prog --args
→saves recording to trace/
rr replay trace/
→debugger socket drives replay
Most of an application's execution is deterministic.
rr records the nondeterministic parts.
Examples of nondeterministic inputs
clock_gettime(...&now);
read(fd, buf,
4096);
__asm__("rdtsc")
ioctl(...)
- UNIX signals...
Then during replay, emulate system calls and rdtsc
by writing the saved nondeterministic data back to the tracee.
Shared-memory multitasking is a nondeterministic "input".
... but modern hardware can't record it efficiently. So rr
doesn't record truly parallel executions.
Scheduling tasks
Can switch tasks at syscalls. Must preempt straight-line code
too; and replay the preemptions deterministically.
Hardware performance counters (HPCs)
Recent chips count instructions-retired, branches-retired,
..., and can be programmed to interrupt after a count
of x.
Simulate task preemption with HPC interrupts.
Idea: program insns-retired counter to interrupt
after k ✱. That k approximates
a time slice.
Replaying preemption
Record the insn-retired counter value v to the trace file.
During replay, program the interrupt for v. Voilà.
UNIX signals are recorded and replayed like task preemptions.
Record counter value v and signum. Replay by interrupting
after v and "delivering" signum.
Basic requirements
- x86 userspace (x86-64 kernel OK)
- linux with "precise event-based sampling" (PEBS; perf events)
support: >= 3.0
- (optional) linux with seccomp-bpf support: >=
3.5
rr touches low-level details of machine architecture, by
necessity; f.e. kernel syscall ABI.
Supporting more ISAs is "just work"; expect x86-64 soon.
Precise HPC events identify points in execution.
Precise replay of signals and preemption requires interrupting
tracees at these events.
✱Performance counters are messier in reality
- Insns-retired counter is imprecise. Use precise
retired-branch counter instead.
- Counter interrupts can overshoot. Subtract a "skid
region".
- (So replay point is technically indeterminate. But
doesn't seem to be a problem in practice, yet.)
seccomp-bpf enables rr to selectively trace
syscalls.
Trace traps are slow; only trap to rr for syscalls that can't be
handled in the tracee.
Buffer syscalls; flush buffer as "super event"
TODO DIAGRAM
seccomp-bpf support is technically optional...
... but rr can record over 100x faster with syscall buffering
enabled.
No ASLR or ptrace hardening
TODO
Tasks are controlled through the ptrace API.
HPCs are controlled through the perf event API.
The first traced task is forked from rr. After
that, clone()
and fork()
from tracees
add new tasks.
And tasks die at exit()
.
Simplified recorder loop
while live_task():
task t = schedule()
if not status_changed(t):
resume_execution(t)
handle_event(t)
Scheduling a task
task schedule():
for each task t, round-robin:
if is_runnable(t)
or status_changed(t):
return t
tid = waitpid(ANY_CHILD_TASK)
return task_map[tid]
Tasks changing status
bool status_changed(task t):
# Non-blocking
return waitpid(t.tid, WNOHANG)
# Deceptively simple: includes
# syscalls, signals, ptrace
# events ...
Resuming task execution
Invariant: At most one task is running userspace code.
All other tasks are either idle or awaiting completion of a
syscall.†
Multiple running tasks are nondeterministic
TODO EXAMPLE RACE, SYSCALL DIVERGENCE
Resuming a task, simplified
void resume_execution(task t):
ptrace(PTRACE_SYSCALL, t.tid)
waitpid(t.tid) # Blocking
# Again, deceptively simple: traps
# for syscalls, signals, ptrace
# events ...
Most recorder work is done
for handle_event(task
t)
.
But before looking at it, a few digressions ...
Generating time-slice interrupts
perf_event_open()
fd for
retired-conditional-branches; details are microarch
specific
- Set event "sample period" to k
- Make event fd O_ASYNC and set tracee task as owner
- → tracee sent SIGIO at rbc ≈ k
Trapping tracees at rdtsc
prctl(PR_SET_TSC, PR_TSC_SIGSEGV)
→ tracees
executing rdtsc trap to SIGSEGV
- rr examines which instruction triggered SIGSEGV
- if rdtsc, value is recorded and insn is emulated
Tracees generate ptrace events by executing fork, clone, exit,
and some other syscalls.
ptrace events exist for linux reasons that aren't
interesting.
(rr tracees can share memory mappings with other processes.
Nondeterministic input that must be recorded, but for now, assume
"don't do that".)
Tracee events seen
by handle_event()
- "Pseudo"-signal delivered by implementation of rdtsc or
time-slice interrupts
- Other, "real", signals
- ptrace events
- Syscall entry and exit
handle_event() structure
TODO
Some syscalls must be executed atomically; can't switch task
until syscall finishes.
TODO mmap example
On the other hand, some syscalls require switching;
syscall can't finish until the task switches.
TODO waitpid example
Scratch buffers for blocking syscalls
TODO
Recording signal delivery
TODO
Finishing signal handlers
TODO
Delivering unhandled signals
TODO
†This breaks the rr scheduling invariant.
ptrace traps are expensive. Do as much work in tracee process as
possible.
Use seccomp-bpf to selectively trap syscalls.
LD_PRELOAD
a lib that wraps libc functions.
Wrapper functions record kernel return value and outparam data to
the syscall buffer.
Upside: works "out of the box"; no recompilation necessary.
Downside: Exposes rr to glibc internals. And rr can't wrap
syscalls made by glibc itself.
Untraced syscalls are recorded to syscallbuf by tracee.
Traced events recorded by the rr process "flush" the
tracee's syscallbuf.
Lib falls back on traced syscalls.
Simplified example of wrapper function
int close(int fd)
{
long ret;
if (!start_buffer_syscall(SYS_close))
/* Fall back on traced syscall. */
return syscall(SYS_close, fd);
/* Buffer this close() call. */
ret = untraced_syscall1(SYS_close, fd);
return commit_syscall(SYS_close, ret);
}
How untraced syscalls are made
resume_execution changes for PTRACE_SECCOMP events
TODO
Syscallbuf wrappers of blocking syscalls
TODO
perf events to the rescue: "descheduled" event
TODO
Handling "desched notifications"
TODO
Trace directory contents
- TODO
arg_env
trace
mmaps
raw_data
syscall_input
Emulate most syscalls using trace data.
Actually execute a small number.
Built around PTRACE_SYSEMU
TODO show difference from
PTRACE_SYSCALL
Replaying time-slice interrupts, in theory
TODO
Replaying time-slice interrupts, in practice
- TODOCompare register files to
approximate exact execution point
- TODOSet a breakpoint on target
$ip to avoid single-stepping
Replaying buffered syscalls
TODO
(gdb) set i 10
can cause replay divergence.
So you're not allowed to do it.
Light wrapper around gdb protocol
TODO
Replayer core passes through to ptrace requests of tracee
TODO
SIGTRAP, SIGTRAP, SIGTRAP; breakpoints, int3, stepi
TODOdistinguishing causes of
traps
Roadmap for near future
TODO
Omniscient debugging
TODO
Exploratory scheduling; targeted recording
TODO
Copy traces across machines
TODO
Record shared memory mappings
TODO
Port, port, port
TODO
- ARM
- GPU drivers (NVIDIA, ATI, ...)
- Windows NT kernel
- Darwin kernel


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- Glenda Gloria's Take this Tuesday
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Taxonomy of processes¶
Based on [Donges2016], we classify processes into three major taxons: environment, social metabolism, and culture.
We give only a rough definition and abstain from defining a finer, hierarchical taxonomy, being aware that gaining consensus among different disciplines on such a taxonomy would be unlikely, and thus leaving the assignment of individual processes and attributes to either taxon to the respective model component developers:
| [Donges2016] | Donges, J. F., Lucht, W., Heitzig, J., Cornell, S., Lade, S., & Schlüter, M. (2016). A taxonomy of co-evolutionary interactions in the planetary social-ecological system as represented in models. Working Paper, Potsdam Institute for Climate Impact Research. |


Module ...
LuaCrumbs.lua Scripting-libary for generating Code for FabLabs. Jump straight into the fun! http://luacrumbs.nodepond.com License: MIT/X (c) 2011 / 2012 Nodepond.com / Martin Wisniowski<EMAIL_ADDRESS>Functions
| addFormat (_formatObject) | Adds a format from OutputFormatClasses to the output files TODO: EXPLAIN THIS BETTER! |
| addRotation (_degrees, degrees) | Add a rotation to the current rotation-position |
| circleAt (xpos, ypos, radius, counterclockwise) | Draw a circle at a specified position |
| close () | Close the project. |
| generateGCode (flag) | Should LuaCrumbs generate a ngc-file (G-Code). |
| generateHPGL (flag) | Should LuaCrumbs generate a hpgl-file (HPGL). |
| generateHTML (flag, zoom_factor, line_width) | Generates a html-5 preview file. |
| generateHTML3D (flag) | Generates a html-3d preview file for webGL enabled browser. |
| generateSVG (flag) | Should LuaCrumbs generate a svg-file. |
| getPencilDownPosition () | Getter of the pencil up position Gets the current pencil up position, returns a number |
| getPencilUpPosition () | Getter of the pencil up position Gets the current pencil up position, returns a number |
| getRotation () | Get the rotation parameter Returns the recent rotation-value |
| getX () | Getter of x Returns the current x-value |
| getY () | Getter of y Returns the current y-value |
| getZ () | Getter of z Returns the current z-value |
| init (_projectname) | Inits the project with the projectname You init the all project-files with this custom projectname. |
| insertIntoGCodeFile (string) | Insert whatever you want onto a G-Code file Universal function to write something into the gcode file, i.e. |
| isPencilDown () | Checks, if pencil is currently at drawing (z) position Returns true, if the pencil is currently at the drawing-position, aka pencildown-position, otherwise false. |
| line (_xstart, _ystart, _xdest, _ydest, xstart, ystart, xdest, ydest) | Draws a line from start X/Y-position to X/Y-destination position. |
| lineTo (xpos, ypos) | Draw a line straight from recent position to X/Y-destination. |
| moveBackward (_steps) | Same as moveForward, but in the other direction |
| moveForward (_steps) | Moves the "cursor" forward with the current-rotation angle be the specified value |
| moveTo (_xpos, _ypos) | Move to absolute coordinate (every parameter is optional. |
| oldCircle (radius, counterclockwise) | Draw circle, counterclockwise-parameter is optional |
| oldMoveTo (xpos, ypos, zpos) | Move to absolute coordinate (every parameter is optional. |
| pause (_seconds) | Pause the drawing in seconds |
| pencilDown () | Moves the pencil to pencildown-position (z-axis) Move the head up and down with pencilUp() and pencilDown() If the head is at the current pencilDown position, this command will do nothing (= does not generate any new code) |
| pencilUp () | Moves the pencil to pencilup-position (z-axis) Move the head up and down with pencilUp() and pencilDown() If the head is at the current pencilUp position, this command will do nothing (= does not generate any new code) |
| setGCodeSpeed (val) | Set the speed-parameter in G-Code file |
| setGCodeUsePathTolanceMode (flag) | GCode: Use Path Tolerance Mode |
| setHPGLPen (number) | HPGL Set Pen Number |
| setHPGLScale (scale) | HPGL Set Scalefactor |
| setPencilDownPosition (zpos) | Setter of the pencil down position Sets the pencil down position. |
| setPencilUpPosition (_zpos) | Setter of the pencil up position Sets the pencil up position Pencil up-position can't be smaller than pencil up. |
| setRotation (_degrees) | Sets the rotation directly to the specified value |
| setSpeed (_speed) | Pause the drawing in seconds |
| setTemparatur () | RepRap-related commands Doc: http://reprap.org/wiki/Mendel_User_Manual:_RepRapGCodes TODO: Handle special cases later! |
Functions
- addFormat (_formatObject)
-
Adds a format from OutputFormatClasses to the output files TODO: EXPLAIN THIS BETTER!
Parameters
- _formatObject:
- addRotation (_degrees, degrees)
-
Add a rotation to the current rotation-position
Parameters
- _degrees:
- degrees: Degrees to add to th current rotation. Value can be positive and negative as well.
- circleAt (xpos, ypos, radius, counterclockwise)
-
Draw a circle at a specified position
Parameters
- xpos: X-position of the circle-center.
- ypos: Y-position of the circle-center.
- radius: Radius of the circle.
- counterclockwise: (Optional) parameter. If true, the circle gets drawn counter-clockwise (not supported on all lanuages). The default value is nil (or false).
- close ()
- Close the project. This command is mandatory! Call this function at the end of your lua-script. It is a must, because ending-tags and diffrerent other parameters are written here. Without this closing statement, you will not get corrently generated files! (In fact, that are not generated at all)
- generateGCode (flag)
-
Should LuaCrumbs generate a ngc-file (G-Code). The default is yes, since it is intended to use LuaCrumbs with G-Code!
Parameters
- flag:
- generateHPGL (flag)
-
Should LuaCrumbs generate a hpgl-file (HPGL). The default is no.
Parameters
- flag:
- generateHTML (flag, zoom_factor, line_width)
-
Generates a html-5 preview file. The generated file can be opened in any html5-canvas ready browser, to preview the output if the g-code. Notice: The framework only draws a line on canvas, of the z-position is equal to the pencilDown-position. If you use i.e. moveTo-commands, be sure to call pencilDown() beforehand, otherwise there will be no drawn path.
Parameters
- flag:
- zoom_factor:
- line_width:
- generateHTML3D (flag)
-
Generates a html-3d preview file for webGL enabled browser. Try latest Firefox or Chromium. Open the html-file in Firefox or Chromium.
Parameters
- flag:
- generateSVG (flag)
-
Should LuaCrumbs generate a svg-file. The default is no.
Parameters
- flag:
- getPencilDownPosition ()
- Getter of the pencil up position Gets the current pencil up position, returns a number
- getPencilUpPosition ()
- Getter of the pencil up position Gets the current pencil up position, returns a number
- getRotation ()
- Get the rotation parameter Returns the recent rotation-value
- getX ()
- Getter of x Returns the current x-value
- getY ()
- Getter of y Returns the current y-value
- getZ ()
- Getter of z Returns the current z-value
- init (_projectname)
-
Inits the project with the projectname You init the all project-files with this custom projectname. This name will be used, to generate the different files, like .svg, .html, .ngc, specified by OutputFormatClasses
Parameters
- _projectname:
- insertIntoGCodeFile (string)
-
Insert whatever you want onto a G-Code file Universal function to write something into the gcode file, i.e. custom commands like "M101"
Parameters
- string:
- isPencilDown ()
- Checks, if pencil is currently at drawing (z) position Returns true, if the pencil is currently at the drawing-position, aka pencildown-position, otherwise false.
- line (_xstart, _ystart, _xdest, _ydest, xstart, ystart, xdest, ydest)
-
Draws a line from start X/Y-position to X/Y-destination position. Before starting to draw, the drawing-head is always moved up to up-position (z-axis), aka pencilUp. When drawing starts, the head is put down to down-position aka pencilDown. If pencil is not down, it will go down.
Parameters
- _xstart:
- _ystart:
- _xdest:
- _ydest:
- xstart: X-start-position in absolute coordinates
- ystart: Y-start-position in absolute coordinates
- xdest: X-destination in absolute coordinates
- ydest: Y-destination in absolute coordinates
- lineTo (xpos, ypos)
-
Draw a line straight from recent position to X/Y-destination. If pencil is not down, it will go down.
Parameters
- xpos: X-Position of destination in absolute coordinates
- ypos: Y-Position of destination in absolute coordinates
- moveBackward (_steps)
-
Same as moveForward, but in the other direction
Parameters
- _steps: Length of the step to move backwards TODO: This function is currently not implemented!
- moveForward (_steps)
-
Moves the "cursor" forward with the current-rotation angle be the specified value
Parameters
- _steps: Length of the step to move forward
- moveTo (_xpos, _ypos)
-
Move to absolute coordinate (every parameter is optional. If nil, the xyz value is unchanged)
Parameters
- _xpos:
- _ypos:
- oldCircle (radius, counterclockwise)
-
Draw circle, counterclockwise-parameter is optional
Parameters
- radius:
- counterclockwise:
- oldMoveTo (xpos, ypos, zpos)
-
Move to absolute coordinate (every parameter is optional. If nil, the xyz value is unchanged) TODO: Please test this with only one or zero parameters with an g-code device
Parameters
- xpos:
- ypos:
- zpos:
- pause (_seconds)
-
Pause the drawing in seconds
Parameters
- _seconds:
- pencilDown ()
- Moves the pencil to pencildown-position (z-axis) Move the head up and down with pencilUp() and pencilDown() If the head is at the current pencilDown position, this command will do nothing (= does not generate any new code)
- pencilUp ()
- Moves the pencil to pencilup-position (z-axis) Move the head up and down with pencilUp() and pencilDown() If the head is at the current pencilUp position, this command will do nothing (= does not generate any new code)
- setGCodeSpeed (val)
-
Set the speed-parameter in G-Code file
Parameters
- val:
- setGCodeUsePathTolanceMode (flag)
-
GCode: Use Path Tolerance Mode
Parameters
- flag:
- setHPGLPen (number)
-
HPGL Set Pen Number
Parameters
- number:
- setHPGLScale (scale)
-
HPGL Set Scalefactor
Parameters
- scale:
- setPencilDownPosition (zpos)
-
Setter of the pencil down position Sets the pencil down position. Pencil down-position can't be greater than pencil up. If pencil_down_pos > pencil_up_pos then pencil_down_pos = pencil_up_pos
Parameters
- zpos:
- setPencilUpPosition (_zpos)
-
Setter of the pencil up position Sets the pencil up position Pencil up-position can't be smaller than pencil up. If pencil_up_pos < pencil_up_pos then pencil_up_pos = pencil_down_pos
Parameters
- _zpos:
- setRotation (_degrees)
-
Sets the rotation directly to the specified value
Parameters
- _degrees: Degrees to set. Value should be between -360 and 360.
- setSpeed (_speed)
-
Pause the drawing in seconds
Parameters
- _speed:
- setTemparatur ()
- RepRap-related commands Doc: http://reprap.org/wiki/Mendel_User_Manual:_RepRapGCodes TODO: Handle special cases later!


Eric Boggs Portfolio
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My work


trait ExternalServiceMock extends AutoCloseable
The trait that provides a WireMockServer.
The trait supports java.lang.AutoCloseable, so you can use it with a loan-pattern.
- Alphabetic
- By Inheritance
- ExternalServiceMock
- AutoCloseable
- AnyRef
- Any
- Hide All
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Value Members
-
final
def
!=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
##(): Int
- Definition Classes
- AnyRef → Any
-
final
def
==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
final
def
asInstanceOf[T0]: T0
- Definition Classes
- Any
-
def
clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
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- @throws( ... ) @native()
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def
close(): Unit
- Definition Classes
- ExternalServiceMock → AutoCloseable
-
final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
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def
equals(arg0: Any): Boolean
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def
finalize(): Unit
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final
def
getClass(): Class[_]
- Definition Classes
- AnyRef → Any
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- @native()
-
def
hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
-
lazy val
host: String
The hostname of the mock server.
The hostname of the mock server.
- Attributes
- protected
-
lazy val
https: Boolean
Use HTTPS or not.
Use HTTPS or not.
- Attributes
- protected
-
def
importStubs(stubs: MappingBuilder*): Unit
Import the stubs.
Import the stubs.
If a stub in
stubs
which key already exists in the mock server, the existing stub are overwritten. If an existing stub which key doesn't exist instubs
, the existing stub remains.- stubs
the stubs that are imported.
- Note
If you want to customize the above behavior, use com.github.tomakehurst.wiremock.stubbing.StubImport and
server.importStubs()
directly.- See also
-
final
def
isInstanceOf[T0]: Boolean
- Definition Classes
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final
def
ne(arg0: AnyRef): Boolean
- Definition Classes
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final
def
notify(): Unit
- Definition Classes
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- @native()
-
final
def
notifyAll(): Unit
- Definition Classes
- AnyRef
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- @native()
-
lazy val
port: Option[Int]
The port number of the mock server.
The port number of the mock server.
A random port is used if you specify scala.None.
- Attributes
- protected
-
lazy val
server: WireMockServer
The mock server.
The mock server.
The server is automatically started when you use it.
-
final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
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toString(): String
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wait(): Unit
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def
wait(arg0: Long): Unit
- Definition Classes
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- @throws( ... ) @native()


The MPI_PROBE and MPI_IPROBE operations allow incoming messages to be checked for, without actually receiving them. The user can then decide how to receive them, based on the information returned by the probe (basically, the information returned by status). In particular, the user may allocate memory for the receive buffer, according to the length of the probed message.
The MPI_CANCEL operation allows pending communications to be canceled. This is required for cleanup. Posting a send or a receive ties up user resources (send or receive buffers), and a cancel may be needed to free these resources gracefully.
| MPI_IPROBE(source, tag, comm, flag, status) | |
| IN source | source rank, or MPI_ANY_SOURCE (integer) |
| IN tag | tag value or MPI_ANY_TAG (integer) |
| IN comm | communicator (handle) |
| OUT flag | (logical) |
| OUT status | status object (Status) |
int MPI_Iprobe(int source, int tag, MPI_Comm comm, int *flag, MPI_Status *status)
MPI_IPROBE(SOURCE, TAG, COMM, FLAG, STATUS, IERROR)
LOGICAL FLAG
INTEGER SOURCE, TAG, COMM, STATUS(MPI_STATUS_SIZE), IERROR
bool MPI::Comm::Iprobe(int source, int tag, MPI::Status& status) const
bool MPI::Comm::Iprobe(int source, int tag) const
MPI_IPROBE(source, tag, comm, flag, status) returns flag = true if there is a message that can be received and that matches the pattern specified by the arguments source, tag, and comm. The call matches the same message that would have been received by a call to MPI_RECV(..., source, tag, comm, status) executed at the same point in the program, and returns in status the same value that would have been returned by MPI_RECV(). Otherwise, the call returns flag = false, and leaves status undefined.
If MPI_IPROBE returns flag = true, then the content of the status object can be subsequently accessed as described in Section Return Status to find the source, tag and length of the probed message.
A subsequent receive executed with the same communicator, and the source and tag returned in status by MPI_IPROBE will receive the message that was matched by the probe, if no other intervening receive occurs after the probe, and the send is not successfully cancelled before the receive.
If the receiving process is multi-threaded, it is the user's responsibility to ensure that the last condition holds.
The source argument of MPI_PROBE can be MPI_ANY_SOURCE, and the tag argument can be MPI_ANY_TAG, so that one can probe for messages from an arbitrary source and/or with an arbitrary tag. However, a specific communication context must be provided with the comm argument.
It is not necessary to receive a message immediately after it has been probed for, and the same message may be probed for several times before it is received.
| MPI_PROBE(source, tag, comm, status) | |
| IN source | source rank, or MPI_ANY_SOURCE (integer) |
| IN tag | tag value, or MPI_ANY_TAG (integer) |
| IN comm | communicator (handle) |
| OUT status | status object (Status) |
int MPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status *status)
MPI_PROBE(SOURCE, TAG, COMM, STATUS, IERROR)
INTEGER SOURCE, TAG, COMM, STATUS(MPI_STATUS_SIZE), IERROR
void MPI::Comm::Probe(int source, int tag, MPI::Status& status) const
void MPI::Comm::Probe(int source, int tag) const
MPI_PROBE behaves like MPI_IPROBE except that it is a blocking call that returns only after a matching message has been found.
The MPI implementation of MPI_PROBE and MPI_IPROBE needs to guarantee progress: if a call to MPI_PROBE has been issued by a process, and a send that matches the probe has been initiated by some process, then the call to MPI_PROBE will return, unless the message is received by another concurrent receive operation (that is executed by another thread at the probing process). Similarly, if a process busy waits with MPI_IPROBE and a matching message has been issued, then the call to MPI_IPROBE will eventually return flag = true unless the message is received by another concurrent receive operation.
Example
Use blocking probe to wait for an incoming message.
CALL MPI_COMM_RANK(comm, rank, ierr) IF (rank.EQ.0) THEN CALL MPI_SEND(i, 1, MPI_INTEGER, 2, 0, comm, ierr) ELSE IF (rank.EQ.1) THEN CALL MPI_SEND(x, 1, MPI_REAL, 2, 0, comm, ierr) ELSE IF (rank.EQ.2) THEN DO i=1, 2 CALL MPI_PROBE(MPI_ANY_SOURCE, 0, comm, status, ierr) IF (status(MPI_SOURCE) .EQ. 0) THEN 100 CALL MPI_RECV(i, 1, MPI_INTEGER, 0, 0, comm, status, ierr) ELSE 200 CALL MPI_RECV(x, 1, MPI_REAL, 1, 0, comm, status, ierr) END IF END DO END IFEach message is received with the right type.
Example
A similar program to the previous example, but now it
has a problem.
CALL MPI_COMM_RANK(comm, rank, ierr) IF (rank.EQ.0) THEN CALL MPI_SEND(i, 1, MPI_INTEGER, 2, 0, comm, ierr) ELSE IF (rank.EQ.1) THEN CALL MPI_SEND(x, 1, MPI_REAL, 2, 0, comm, ierr) ELSE IF (rank.EQ.2) THEN DO i=1, 2 CALL MPI_PROBE(MPI_ANY_SOURCE, 0, comm, status, ierr) IF (status(MPI_SOURCE) .EQ. 0) THEN 100 CALL MPI_RECV(i, 1, MPI_INTEGER, MPI_ANY_SOURCE, 0, comm, status, ierr) ELSE 200 CALL MPI_RECV(x, 1, MPI_REAL, MPI_ANY_SOURCE, 0, comm, status, ierr) END IF END DO END IFWe slightly modified example Probe and Cancel , using MPI_ANY_SOURCE as the source argument in the two receive calls in statements labeled 100 and 200. The program is now incorrect: the receive operation may receive a message that is distinct from the message probed by the preceding call to MPI_PROBE.
Advice
to implementors.
A call to MPI_PROBE(source, tag, comm, status) will match the
message that would have been received by a call to MPI_RECV(...,
source, tag, comm, status) executed at the same point.
Suppose
that this message has source s, tag t and communicator
c. If the
tag argument in the probe call has value MPI_ANY_TAG
then the message probed
will be the earliest pending message from source s
with communicator c and any tag; in any case, the message probed will be the
earliest pending message from source s with tag t and
communicator
c (this is
the message that would have been received, so as to preserve message order).
This message continues as the earliest pending message
from source s with tag t and communicator c, until it is received.
A receive operation subsequent to the probe that uses the same communicator as the
probe and uses the tag and source values returned by the probe, must receive
this message, unless it has already been received by another receive operation.
( End of advice to implementors.)
| MPI_CANCEL(request) | |
| IN request | communication request (handle) |
int MPI_Cancel(MPI_Request *request)
MPI_CANCEL(REQUEST, IERROR)
INTEGER REQUEST, IERROR
void MPI::Request::Cancel() const
A call to MPI_CANCEL marks for cancellation a pending, nonblocking communication operation (send or receive). The cancel call is local. It returns immediately, possibly before the communication is actually canceled. It is still necessary to complete a communication that has been marked for cancellation, using a call to MPI_REQUEST_FREE, MPI_WAIT or MPI_TEST (or any of the derived operations).
If a communication is marked for cancellation, then a MPI_WAIT call for that communication is guaranteed to return, irrespective of the activities of other processes (i.e., MPI_WAIT behaves as a local function); similarly if MPI_TEST is repeatedly called in a busy wait loop for a canceled communication, then MPI_TEST will eventually be successful.
MPI_CANCEL can be used to cancel a communication that uses a persistent request (see Section Persistent Communication Requests ), in the same way it is used for nonpersistent requests. A successful cancellation cancels the active communication, but not the request itself. After the call to MPI_CANCEL and the subsequent call to MPI_WAIT or MPI_TEST, the request becomes inactive and can be activated for a new communication.
The successful cancellation of a buffered send frees the buffer space occupied by the pending message.
Either the cancellation succeeds, or the communication succeeds, but not both. If a send is marked for cancellation, then it must be the case that either the send completes normally, in which case the message sent was received at the destination process, or that the send is successfully canceled, in which case no part of the message was received at the destination. Then, any matching receive has to be satisfied by another send. If a receive is marked for cancellation, then it must be the case that either the receive completes normally, or that the receive is successfully canceled, in which case no part of the receive buffer is altered. Then, any matching send has to be satisfied by another receive.
If the operation has been canceled, then information to that effect will be returned in the status argument of the operation that completes the communication.
| MPI_TEST_CANCELLED(status, flag) | |
| IN status | status object (Status) |
| OUT flag | (logical) |
int MPI_Test_cancelled(MPI_Status *status, int *flag)
MPI_TEST_CANCELLED(STATUS, FLAG, IERROR)
LOGICAL FLAG
INTEGER STATUS(MPI_STATUS_SIZE), IERROR
bool MPI::Status::Is_cancelled() const
Returns flag = true if the communication associated with the status object was canceled successfully. In such a case, all other fields of status (such as count or tag) are undefined. Returns flag = false, otherwise. If a receive operation might be canceled then one should call MPI_TEST_CANCELLED first, to check whether the operation was canceled, before checking on the other fields of the return status.
Advice to users.
Cancel can be an expensive operation that should be used only exceptionally.
( End of advice to users.)
Advice
to implementors.
If a send operation uses an ``eager'' protocol (data is transferred to
the receiver
before a matching receive is posted), then the cancellation of this send
may require communication with the intended receiver in order to free
allocated
buffers. On some systems this may require an interrupt to the
intended receiver.
Note that, while communication may be needed to implement
MPI_CANCEL,
this is still a local operation, since its completion does not
depend on the code executed by other processes. If processing is required on
another process, this should be transparent to the application (hence the need
for an interrupt and an interrupt handler).
( End of advice to implementors.)


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We recently gave our brand a little sprucing up. New colors, new font, new tagline, new art. But don’t worry, we’re the same great thrift store you know and love. Check out how and why we changed our look for the better. It’s quite a story.We recently gave our brand a little sprucing up. New colors, new font, new tagline, new art. But don’t worry, we’re the same great thrift store you know and love. Check out how and why we changed our look for the better. It’s quite a story.
We recently gave our brand a little sprucing up. New colors, new font, new tagline, new art. But don’t worry, we’re the same great thrift store you know and love. Check out how and why we changed our look for the better. It’s quite a story.We recently gave our brand a little sprucing up. New colors, new font, new tagline, new art. But don’t worry, we’re the same great thrift store you know and love. Check out how and why we changed our look for the better. It’s quite a story.
learn more...Copyright © 2013 - Thrift City - All rights reserved. Terms and Privacy Policy


In this assignment you will integrate your frontend and backend web applications.
The browser has a same-origin policy. Which means it will only allow javascript to transfer data from the same origin. I.e., I visit site A and can run javascript that access data from site A, but it cannot access data from site B. By access data I mean make an AJAX request. The browser will only allow cross-origin resource sharing if the other origin (site B) allows for it. See slide 12 in lec 23 to visualize what it going on. As you can see, it's your backend that needs to supply the headers in it's response to the client. See slide 11 for what these response headers should look like.
The frontend and backend have different origins. When running locally you might have the frontend running through the python server on port 8080 and the backend served up on port 8000 or 3333 or whatever you like. Therefore we need to enable CORS for the AJAX calls to complete. You'll want to create a middleware function that adds these response headers to every request. If you were to only use it on some requests, then you could put the middleware in the middle of an endpoint call:
app.get('/posts', enableCORS, getPosts)if you want to add middleware to all calls, then instead have
app.use(enableCORS)
where enableCORS is a middleware function that you write (do not use third party middleware for this part of the assignment). See the section Aside on Middleware in the previous assignment to see what middleware should look like. See lecture 23 for the inclass exercise enabling CORS, additionally slides 11 and 12 in that lecture.
There are technically two stages in the integration process. The first stage is to point the frontend at the backend instead of the dummy server. The backend currently has only two endpoints implemented, which means the other endpoints will be broken. Therefore the first stage includes implementation of these endpoints with stubs. A stub returns dummy data
// this is user.js which contains all user profile // information except passwords which is in auth.js exports.setup = function(app) { app.get('/statuses/:users*?', isLoggedIn, getStatuses) } function getStatuses(req, res) { // this isn't correct, but gives you a start // for the stub this is fine. var username = req.params.users.split(',')[0] // but what if users is not specified in the request? res.send({ statuses: [ { username: username, status: 'the status of the user' } ] }) }
Note that we're using the isLoggedIn
middleware to assure that all requests
are made by authenticated clients. The API for the endpoints is the same as for the dummy
server (i.e., this way we don't need to change any of the frontend code). That api is found here
Making stubs for all of the endpoints should not take too long. If we were doing TDD then
we would write tests for each function before we even write the stubs. Given that you just
got a good experience in writing tests, I recommend you do this, but it will not be a requirement
for this assignment. Additionally, we already have a working frontend with end-to-end tests
which can serve us well in testing our backend functionality. (But again, unit testing the
backend is the preferred approach.) You do not need to make stubs for the /location
endpoints.
You should create stubs for all endpoints (except /location
), but we will implement only
a portion of the backend in this assignment, and the rest in the final assignment.
The endpoints to implement in this assignment are:
GET /sample
POST /login
PUT /logout
POST /register
GET /posts/:id
POST /post
Note that our POST /post
endpoint will only be accepting
text at the current moment. I.e., no picture uploads. Therefore the frontend
application needs to be modified to not send formData. For example,
if I already had a method addPost
in my $resource
then I would rename it addPostFull
and make a new addPost
addPostFull : { method: 'POST', headers:{'Content-Type': undefined}, transformRequest: resourceUploadFile, params: {endpoint: 'post' } }, addPost : { method: 'POST', params: {endpoint: 'post' } },
this way I can easily switch back to the formData upload for the final assignment when image uploading is enabled on the backend.
Users must be authenticated to use the backend. They authenticate by suppling their
username and password in a payload to POST /login
which if successfully
authenticated will return a cookie. The cookie will be passed on all subsequent requests
until the cookie expires or the user PUT /logout
which deletes the cookie.
In auth.js
create an array for users. To identify the array, I would prefix
it with an underscore -- this makes it look like a "member" variable: var _users = []
-- the
idea now is that this is an array of user login information. We likely want a function like this to traverse
it
// this is in auth.js var _users = [] function getUser(username) { // short circuiting would be more efficient // but this is a functional way to do it instead var foundUsers = _users.filter(function(user) { return user.username == username }) // foundUsers should have zero or one element // return the found user or null if not found }
We will use salted passwords for our authentication. For this assignment we will
implement the salting and hashing ourselves. In class #22 we added the POST /login
and POST /register
endpoints.
The register endpoint will add to the _users
array a new object
with a username, a randomly created salt, and the hash of the user's salted password.
We could make the object with behavior in which case new User()
would create a user
and then it could have a function getHash()
but this is not necessary. Remember
we will move this to the MongoDB in the next assignment.
The salt is a random string, perhaps a combination of the user's username and the current time, all hashed even.
We can use md5
hashing here or if you prefer you can use bcrypt
which
is a popular encryption library. (For either use npm install ... --save
).
The user entry will have username, salt, and hash, but nothing else. User information that would be accessible by others will be stored separately, i.e., status message, profile picture, zipcode, and email. You don't need to worry about these for this assignment.
The login endpoint will accept from the user their username and password. Find the user object from the array given the username, the user object has the salt and hash. Salt the user supplied password and compare the hashes. If they match then create a session for the user. Store the session in a map from session key to user object. Here is an example that attempts to create unique session keys for users
// this is also in auth.js var _sessionUser = {} var _cookieKey = 'sid' function login(...) { var userObj = getUser(...) // "security by obscurity" we don't want people guessing a sessionkey var sessionKey = md5(mySecretMessage + new Date().getTime() + userObj.username) _sessionUser[sessionKey] = userObj // this sets a cookie res.cookie(_cookieKey, sessionKey, { maxAge: 3600*1000, httpOnly: true})
we store the session key in a cookie for the user. Note that the sessionUser map really should be a least recently used (LRU) map, otherwise it is a potential memory hog!
When a user logs out, remove their sessionKey form the sessionUser map and clear/delete the cookie.
We start with empty arrays of users and posts. But to visualize your site we would like some sample data and users. Add your dummy server test user to your site. This is the one with a username like "sep1test" -- use the same password as well. (You'll need to generate a salt and then store the salt and the hash of the salted password in your hard coded array of users.)
Next add some sample content.
One way to do this is to ceate a file of dummy posts and load them. For example, you can log into the dummy server and
make a request to get posts, i.e., GET /posts
which returns a json payload. Save this to disk, perhaps named samplePosts.json
then in your posts.js
you can initialize with that data by doing the following:
var _posts = require('./samplePosts.json')
yes, it's that easy! Now your server will always start with some predefined data.
Submit again your README.json
that has contents similar to this
{ "netid": "sep1", "frontend": "https://ricebookapp.herokuapp.com", "backend": "https://ricebookserver.herokuapp.com" }
replace "ricebookapp" and "ricebookserver" with the names of your frontend and backend applications, and replace "sep1" with your netID.
Verify that your deployed frontend application works with your backend server. Graders and Students will use your deployed frontend app and it's interoperability with the backend server when grading and writing user feedback for you respectively.
README.json
that has your frontend and backend URLs along with netid/location
).Your submission directory should look something like this


 Or add another pizza on the left, because pizza.
Toppings:
Price:
See you soon.


Venice flooding shocks couple hoping for romantic getaway; tourists say water 'had risen within 15 or 20 minutes'
by Madeline FarberA British couple hoping for a romantic (and dry) stay in Venice is instead battling the worst flooding the historic Italian city has seen in more than 50 years.
Elizabeth Dale and her partner, Richard Williams, met in Venice this week for a short getaway. The pair hadn’t seen each other in two months because Williams is currently completing a cycling trip across Europe, but stopped in Venice so the pair could meet up.
“The first day it rained a lot but nothing too dramatic,” Dale, of Cornwall, told SWNS, a British news agency.
But soon after, the weather conditions drastically changed.
MAN SPARKS TWITTER DEBATE AFTER BUYING FLOWERS FOR GIRLFRIEND'S BEST FRIEND
"Later we went out for dinner. When we went to leave, the water was very deep and had risen within 15 or 20 minutes,” continued Dale.
The next morning, the two "got up and went to St. Mark’s Square and they had the planking out as the water was quite deep," she added. "I struggled to get around as I only had short [rain boots] and I thought I was being sensible bringing them.”
But despite the soaked conditions, the people of Venice are seemingly indifferent, said Dale.
“The Venetians are stoic about it. People are prepared but the problem at the moment is that they can’t pump out the water quick enough,” she said. "The water is inside shops now and the Venetians are wearing thigh-high waders. I’m jealous."
The historic squares of Venice were left deep underwater on Wednesday after most of the tourist mecca was inundated by the second-highest levels of flooding ever recorded, sending water into the historic basilica as more bad weather is in the forecast.
The high tide peaked at 74 inches late Tuesday, just short of the 76 inches set during record flooding of 1966. That meant more than 85 percent of the city was flooded, with water overtaking the famed St. Mark's Basilica, raising new concerns over damage to the mosaics and other artworks.
CLICK HERE FOR THE FOX NEWS APP
"Venice is on its knees," Mayor Luigi Brugnaro said on Twitter. "St. Mark's Basilica has sustained serious damage like the entire city and its islands."
Fox News' Travis Fedschun and The Associated Press contributed to this report.


Actors
Weaponry
Soundtrack
Trailer
John Wick
John Wick is a movie of a simple man who is trying to live a peaceful life after the passing of his wife Helen (Bridget Moynahan) whom succumbed to a terminal illness, with a puppy he had recieved as a last gift.
John (Keanu Reeves) sets out to get his new companion the necesseties such as food and toys. He drives his signature 1969 Boss 429 Mustang to a gas station on the way back to his home. A group of russian hooligans step out of a car
to get a refil, and one notices John's car. The russian (Alfie Allen) compliments the car, and asks how much. John says that she's not for sale, and is met with the comment in russian, everything has a price. To his suprise, John says not this in russian.
Assumingly, another russian man (Toby Leonard Moore) pulls the young man away, and tells John to have a nice day. Later that night, John's dog Daisy jumps off the bed in a rush, and goes downstairs. John assumes that she needs to go, and heads down as well.
He gets struck with a bat by masked men, and beaten.  John is punched in the face by one of the masked men, who reveals his face before doing so. John wakes up, finds his car to be stolen, and goes on the hunt.
He tears through the russian mafia, finding out that the russian man is Iosef Tarasov, Viggo Tarasov's (Michael Nyqvist) son, whom he once worked for, and was well aware of what John was, and what he'd left behind. John soon gets Iosef, killing him
before he can finish his sentance, and heads for Viggo after he finds out about Viggo killing his friend Marcus (Willem Dafoe), and soon ends him in a hand to hand fight on the docks with rain pouring down. Completing his task, John
lays down, and watches his phone, with a video of his lost wife, and bleeds from his many wounds, and falls asleep. He then wakes up after hearing his wife call to him, breaks into a nearby veternarian clinic, stiches his wounds, and sees a dog
looking at him, with hopeful eyes. John takes the dog, and begins walking home.


class ProviderMap
<init> |
ProviderMap(keyEncoderProvider: () -> KeyEncodingService) |
bouncyCastlePQCProvider |
val bouncyCastlePQCProvider: BouncyCastlePQCProvider |
COMPOSITE_KEY |
Corda CompositeKey signature type. val COMPOSITE_KEY: SignatureScheme |
cordaBouncyCastleProvider |
val cordaBouncyCastleProvider: Provider |
cordaSecurityProvider |
val cordaSecurityProvider: CordaSecurityProvider |
ECDSA_SECP256K1_SHA256 |
ECDSA signature scheme using the secp256k1 Koblitz curve and SHA256 for message hashing. val ECDSA_SECP256K1_SHA256: SignatureScheme |
ECDSA_SECP256R1_SHA256 |
ECDSA signature scheme using the secp256r1 (NIST P-256) curve and SHA256 for message hashing. val ECDSA_SECP256R1_SHA256: SignatureScheme |
EDDSA_ED25519_SHA512 |
EdDSA signature scheme using the ed25519 twisted Edwards curve and SHA512 for message hashing. The actual algorithm is PureEdDSA Ed25519 as defined in https://tools.ietf.org/html/rfc8032 Not to be confused with the EdDSA variants, Ed25519ctx and Ed25519ph. val EDDSA_ED25519_SHA512: SignatureScheme |
keyFactories |
val keyFactories: KeyFactoryProvider |
providers |
val providers: Map<String, Provider> |
RSA_SHA256 |
RSA PKCS#1 signature scheme using SHA256 for message hashing. The actual algorithm id is 1.2.840.1135<IP_ADDRESS> Note: Recommended key size >= 3072 bits. val RSA_SHA256: SignatureScheme |
secureRandom |
val secureRandom: SecureRandom |
SPHINCS256_SHA256 |
SPHINCS-256 hash-based signature scheme using SHA512 for message hashing. It provides 128bit security against post-quantum attackers at the cost of larger key nd signature sizes and loss of compatibility. val SPHINCS256_SHA256: SignatureScheme |


features/characters_list / com.whatstoday.dynamicfeatures.task.ui.list.adapter / CharactersListAdapter / submitState
submitState
fun submitState(newState: CharactersListAdapterState): Unit
Update current adapter state with the new one, applying visual changes.
Parameters
newState
- State of list adapter to update.


Hispanic-Market Broadcast: "Super-Drink"
—Make-believe communities were created in which milk was the essential source for the town’s well-being. The benefits of milk provided people with eternal dreams, great teeth for ongoing laughter, and strong bones for unexpected ups and downs.


In September 2019, I obtained a Teknologie doktorsexamen inom elektro- och systemteknik (Ph.D. in Electrical Engineering, KTH Royal Institute of Technology, Stockholm, Sweden). Before that, I obtained a double 5-year engineering degree, Enginyer de Telecomunicació (Telecommunications Engineering, UPC BarcelonaTech, Barcelona, Catalonia) and Civilingejör inom Elektroteknik (Electrical Engineering, KTH Royal Institute of Technology, Stockholm, Sweden). Since October 2019, I am a research staff scientist at the CIBM Center for Biomedical Imaging, Switzerland, and a postdoctoral researcher at the EPFL's Biomedical Imaging Group, Lausanne, Switzerland.
I am an active reviewer in my fields of interest. During my time at EPFL, I have been awarded CHF 44'000 to lead a project on innovative solutions for remote practical learning. During my Ph.D., I was awarded a number of travel grants amounting to a total of 64'200 SEK. Among others, these grants included the Åforsk Foundation travel grant and the KVA Royal Swedish Academy of Sciences Engineering Sciences grant. Their intent was to support the international promotion of my research in inverse problems in imaging, as well as research visits to Stephen Boyd's research group at the Information Systems Laboratory, Department of Electrical Engineering, Stanford University and to CosmoStat, Jean-Luc Starck's group in CEA Paris-Saclay.