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Drake
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The QueryObject serves as a mechanism to perform geometry queries on the world's geometry.
The SceneGraph has an abstract-valued port that contains a QueryObject (i.e., a QueryObject-valued output port).
To perform geometry queries on SceneGraph:
const QueryObject&
in return, and, finally,The const reference returned by the input port is considered "live" - it is linked to the context, system, and cache (making full use of all of those mechanisms). This const reference should never be persisted; doing so can lead to erroneous query results. It is simpler and more advisable to acquire it for evaluation in a limited scope (e.g., CalcTimeDerivatives()) and then discard it. If a QueryObject is needed for many separate functions in a LeafSystem, each should re-evaluate the input port. The underlying caching mechanism should make the cost of this negligible.
The QueryObject can be copied. The copied instance is no longer "live"; it is now "baked". Essentially, it freezes the state of the live scene graph in its current configuration and disconnects it from the system and context. This means, even if the original context changes values, the copied/baked instance will always reproduce the same query results. This baking process is not cheap and should not be done without consideration.
A QueryObject cannot be converted to a different scalar type. A QueryObject of scalar type T can only be acquired from the output port of a SceneGraph of type T evaluated on a corresponding Context, also of type T.
QueryObject's support for arbitrary scalar type is incomplete. Not all queries support all scalar types to the same degree. In some cases the level of support is obvious (such as when the query is declared explicitly in terms of a double-valued scalar – see ComputePointPairPenetration()). In other cases, where the query is expressed in terms of scalar T
, the query may have restrictions. If a query has restricted scalar support, it is included in the query's documentation.
| T | The scalar type, which must be one of the default nonsymbolic scalars. |
#include <drake/geometry/scene_graph_inspector.h>
Public Member Functions | |
| QueryObject ()=default | |
| Constructs a default QueryObject (all pointers are null). More... | |
| const SceneGraphInspector< T > & | inspector () const |
| Provides an inspector for the topological structure of the underlying scene graph data (see SceneGraphInspector for details). More... | |
Implements CopyConstructible, CopyAssignable, MoveConstructible, MoveAssignable | |
Calling the copy constructor or assignment will turn a live QueryObject into a baked QueryObject (an expensive operation). Copying baked QueryObjects is cheap. | |
| QueryObject (const QueryObject &other) | |
| QueryObject & | operator= (const QueryObject &) |
| QueryObject (QueryObject &&)=default | |
| QueryObject & | operator= (QueryObject &&)=default |
Pose-dependent Introspection | |
These methods provide access to introspect geometry and frame quantities that directly depend on the poses of the frames. For geometry and frame quantities that do not depend on the poses of frames, such as X_FG, use inspector() to access the SceneGraphInspector. | |
| const math::RigidTransform< T > & | X_WF (FrameId id) const |
Reports the position of the frame indicated by id relative to the world frame. More... | |
| const math::RigidTransform< T > & | X_PF (FrameId id) const |
Reports the position of the frame indicated by id relative to its parent frame. More... | |
| const math::RigidTransform< T > & | X_WG (GeometryId id) const |
Reports the position of the geometry indicated by id relative to the world frame. More... | |
Collision Queries | |
These queries detect collisions between geometry. Two geometries collide if they overlap each other and are not explicitly excluded through collision filtering. These algorithms find those colliding cases, characterize them, and report the essential characteristics of that collision. For two colliding geometries g_A and g_B, it is guaranteed that they will map to These methods are affected by collision filtering; element pairs that have been filtered will not produce contacts, even if their collision geometry is penetrating. | |
| std::vector< PenetrationAsPointPair< double > > | ComputePointPairPenetration () const |
| Computes the penetrations across all pairs of geometries in the world with the penetrations characterized by pairs of points (see PenetrationAsPointPair), providing some measure of the penetration "depth" of the two objects, but not the overlapping volume. More... | |
| std::vector< ContactSurface< T > > | ComputeContactSurfaces () const |
| Reports pairwise intersections and characterizes each non-empty intersection as a ContactSurface for hydroelastic contact model. More... | |
| void | ComputeContactSurfacesWithFallback (std::vector< ContactSurface< T >> *surfaces, std::vector< PenetrationAsPointPair< double >> *point_pairs) const |
| Reports pair-wise intersections and characterizes each non-empty intersection as a ContactSurface where possible and as a PenetrationAsPointPair where not. More... | |
| std::vector< SortedPair< GeometryId > > | FindCollisionCandidates () const |
| Applies a conservative culling mechanism to create a subset of all possible geometry pairs based on non-zero intersections. More... | |
| bool | HasCollisions () const |
| Reports true if there are any collisions between unfiltered pairs in the world. More... | |
Signed Distance Queries | |
These queries provide the signed distance between two objects. Each query has a specific definition of the signed distance being positive, negative, or zero associated with some notions of being outside, inside, or on the boundary. These queries provide bookkeeping data like geometry id(s) of the geometries involved and the important locations on the boundaries of these geometries. The signed distance function is a continuous function. Its partial derivatives are continuous almost everywhere. | |
| std::vector< SignedDistancePair< T > > | ComputeSignedDistancePairwiseClosestPoints (const double max_distance=std::numeric_limits< double >::infinity()) const |
| Computes the signed distance together with the nearest points across all pairs of geometries in the world. More... | |
| SignedDistancePair< T > | ComputeSignedDistancePairClosestPoints (GeometryId id_A, GeometryId id_B) const |
| A variant of ComputeSignedDistancePairwiseClosestPoints() which computes the signed distance (and witnesses) between a specific pair of geometries indicated by id. More... | |
| std::vector< SignedDistanceToPoint< T > > | ComputeSignedDistanceToPoint (const Vector3< T > &p_WQ, const double threshold=std::numeric_limits< double >::infinity()) const |
| Computes the signed distances and gradients to a query point from each geometry in the scene. More... | |
Render Queries | |
| void | RenderColorImage (const render::CameraProperties &camera, FrameId parent_frame, const math::RigidTransformd &X_PC, bool show_window, systems::sensors::ImageRgba8U *color_image_out) const |
Renders an RGB image for the given camera posed with respect to the indicated parent frame P. More... | |
| void | RenderColorImage (const render::ColorRenderCamera &camera, FrameId parent_frame, const math::RigidTransformd &X_PC, systems::sensors::ImageRgba8U *color_image_out) const |
| void | RenderDepthImage (const render::DepthCameraProperties &camera, FrameId parent_frame, const math::RigidTransformd &X_PC, systems::sensors::ImageDepth32F *depth_image_out) const |
Renders a depth image for the given camera posed with respect to the indicated parent frame P. More... | |
| void | RenderDepthImage (const render::DepthRenderCamera &camera, FrameId parent_frame, const math::RigidTransformd &X_PC, systems::sensors::ImageDepth32F *depth_image_out) const |
| void | RenderLabelImage (const render::CameraProperties &camera, FrameId parent_frame, const math::RigidTransformd &X_PC, bool show_window, systems::sensors::ImageLabel16I *label_image_out) const |
Renders a label image for the given camera posed with respect to the indicated parent frame P. More... | |
| void | RenderLabelImage (const render::ColorRenderCamera &camera, FrameId parent_frame, const math::RigidTransformd &X_PC, systems::sensors::ImageLabel16I *label_image_out) const |
| const render::RenderEngine * | GetRenderEngineByName (const std::string &name) const |
| Returns the named render engine, if it exists. More... | |
Friends | |
| class | SceneGraph< T > |
| class | QueryObjectTest |
|
default |
Constructs a default QueryObject (all pointers are null).
| QueryObject | ( | const QueryObject< T > & | other | ) |
|
default |
| std::vector<ContactSurface<T> > ComputeContactSurfaces | ( | ) | const |
Reports pairwise intersections and characterizes each non-empty intersection as a ContactSurface for hydroelastic contact model.
The computation is subject to collision filtering.
For two intersecting geometries g_A and g_B, it is guaranteed that they will map to id_A
and id_B
in a fixed, repeatable manner, where id_A
and id_B
are GeometryId's of geometries g_A and g_B respectively.
In the current incarnation, this function represents a simple implementation.
| Shape | Soft | Rigid |
|---|---|---|
| Sphere | yes | yes |
| Cylinder | yes | yes |
| Box | yes | yes |
| Capsule | no | no |
| Ellipsoid | yes | yes |
| HalfSpace | no | no |
| Mesh | no | yes |
| Convex | no | no |
This method provides support only for double. Attempting to invoke this method with T = AutoDiffXd will throw an exception if there are any geometry pairs that couldn't be culled.
| void ComputeContactSurfacesWithFallback | ( | std::vector< ContactSurface< T >> * | surfaces, |
| std::vector< PenetrationAsPointPair< double >> * | point_pairs | ||
| ) | const |
Reports pair-wise intersections and characterizes each non-empty intersection as a ContactSurface where possible and as a PenetrationAsPointPair where not.
This is a hybrid contact algorithm. It allows for the contact surface penetration result where possible, but automatically provides a fallback for where a ContactSurface cannot be defined.
The fallback cannot guarantee success in all cases. Meshes have limited support in the proximity role; they are supported in the contact surface computation but ignored in the point pair collision query. If a mesh is in contact with another shape that cannot be resolved as a contact surface (e.g., rigid mesh vs another rigid shape), this computation will throw as there is no fallback functionality for mesh-shape.
Because point pairs can only be computed for double-valued systems, this can also only support double-valued ContactSurface instances.
The ordering of the added results is guaranteed to be consistent – for fixed geometry poses, the results will remain the same.
| [out] | surfaces | The vector that contact surfaces will be added to. The vector will not be cleared. |
| [out] | point_pairs | The vector that fall back point pair data will be added to. The vector will not be cleared. |
surfaces
nor point_pairs
is nullptr. | std::vector<PenetrationAsPointPair<double> > ComputePointPairPenetration | ( | ) | const |
Computes the penetrations across all pairs of geometries in the world with the penetrations characterized by pairs of points (see PenetrationAsPointPair), providing some measure of the penetration "depth" of the two objects, but not the overlapping volume.
Only reports results for penetrating geometries; if two geometries are separated, there will be no result for that pair. Geometries whose surfaces are just touching (osculating) are not considered in penetration. Surfaces whose penetration is within an epsilon of osculation, are likewise not considered penetrating. Pairs of anchored geometry are also not reported. This method is affected by collision filtering.
For two penetrating geometries g_A and g_B, it is guaranteed that they will map to id_A
and id_B
in a fixed, repeatable manner.
This method only provides double-valued penetration results.
| SignedDistancePair<T> ComputeSignedDistancePairClosestPoints | ( | GeometryId | id_A, |
| GeometryId | id_B | ||
| ) | const |
A variant of ComputeSignedDistancePairwiseClosestPoints() which computes the signed distance (and witnesses) between a specific pair of geometries indicated by id.
This function has the same restrictions on scalar report as ComputeSignedDistancePairwiseClosestPoints().
| if | either geometry id is invalid, or if the pair (id_A, id_B) has been marked as filtered. |
| std::vector<SignedDistancePair<T> > ComputeSignedDistancePairwiseClosestPoints | ( | const double | max_distance = std::numeric_limits< double >::infinity() | ) | const |
Computes the signed distance together with the nearest points across all pairs of geometries in the world.
Reports both the separating geometries and penetrating geometries.
This query provides φ(A, B), the signed distance between two objects A and B.
If the objects do not overlap (i.e., A ⋂ B = ∅), φ > 0 and represents the minimal distance between the two objects. More formally: φ = min(|Aₚ - Bₚ|) ∀ Aₚ ∈ A and Bₚ ∈ B.
If the objects touch or overlap (i.e., A ⋂ B ≠ ∅), φ ≤ 0 and can be interpreted as the negative penetration depth. It is the smallest length of the vector v, such that by shifting one object along that vector relative to the other, the two objects will no longer be overlapping.  By implication, there exist points Aₚ and Bₚ on the surfaces of objects A and B, respectively, such that Aₚ + v = Bₚ, Aₚ ∈ A ∩ B, Bₚ ∈ A ∩ B. These points are the witnesses to the penetration.
This method is affected by collision filtering; geometry pairs that have been filtered will not produce signed distance query results.
For a geometry pair (A, B), the returned results will always be reported in a fixed order (e.g., always (A, B) and never (B, A)). The basis for the ordering is arbitrary (and therefore undocumented), but guaranteed to be fixed and repeatable.
Notice that this is an O(N²) operation, where N is the number of geometries remaining in the world after applying collision filter. We report the distance between dynamic objects, and between dynamic and anchored objects. We DO NOT report the distance between two anchored objects.
This function does not support halfspaces. If an unfiltered pair contains a halfspace, an exception will be thrown for all scalar types. Otherwise, this query supports all other pairs of Drake geometry types for double
. For AutoDiffXd
, it only supports distance between sphere-box and sphere-sphere. If there are any unfiltered geometry pairs that include other geometries, the AutoDiff throws an exception.
| max_distance | The maximum distance at which distance data is reported. |
max_distance
. | std::vector<SignedDistanceToPoint<T> > ComputeSignedDistanceToPoint | ( | const Vector3< T > & | p_WQ, |
| const double | threshold = std::numeric_limits< double >::infinity() |
||
| ) | const |
Computes the signed distances and gradients to a query point from each geometry in the scene.
This query provides φᵢ(p), φᵢ:ℝ³→ℝ, the signed distance to the position p of a query point from geometry Gᵢ in the scene. It returns an array of the signed distances from all geometries.
Optionally you can specify a threshold distance that will filter out any object beyond the threshold. By default, we report distances from the query point to every object.
This query also provides the gradient vector ∇φᵢ(p) of the signed distance function from geometry Gᵢ. Note that, in general, if p is outside Gᵢ, then ∇φᵢ(p) equals the unit vector in the direction from the nearest point Nᵢ on Gᵢ's surface to p. If p is inside Gᵢ, then ∇φᵢ(p) is in the direction from p to Nᵢ. This observation is written formally as:
∇φᵢ(p) = (p - Nᵢ)/|p - Nᵢ| if p is outside Gᵢ
∇φᵢ(p) = -(p - Nᵢ)/|p - Nᵢ| if p is inside Gᵢ
Note that ∇φᵢ(p) is also defined on Gᵢ's surface, but we cannot use the above formula.
This query only supports computing distances from the point to spheres, boxes, and cylinders for both double
and AutoDiffXd
scalar types. If the SceneGraph contains any other geometry shapes, they will be silently ignored.
| [in] | p_WQ | Position of a query point Q in world frame W. |
| [in] | threshold | We ignore any object beyond this distance. By default, it is infinity, so we report distances from the query point to every object. |
| signed_distances | A vector populated with per-object signed distance values (and supporting data). See SignedDistanceToPoint. |
| std::vector<SortedPair<GeometryId> > FindCollisionCandidates | ( | ) | const |
Applies a conservative culling mechanism to create a subset of all possible geometry pairs based on non-zero intersections.
A geometry pair that is absent from the results is either a) culled by collision filters or b) known to be separated. The caller is responsible for confirming that the remaining, unculled geometry pairs are actually in collision.
| const render::RenderEngine* GetRenderEngineByName | ( | const std::string & | name | ) | const |
Returns the named render engine, if it exists.
The RenderEngine is guaranteed to be up to date w.r.t. the poses and data in the context.
| bool HasCollisions | ( | ) | const |
| const SceneGraphInspector<T>& inspector | ( | ) | const |
Provides an inspector for the topological structure of the underlying scene graph data (see SceneGraphInspector for details).
| QueryObject& operator= | ( | const QueryObject< T > & | ) |
|
default |
| void RenderColorImage | ( | const render::CameraProperties & | camera, |
| FrameId | parent_frame, | ||
| const math::RigidTransformd & | X_PC, | ||
| bool | show_window, | ||
| systems::sensors::ImageRgba8U * | color_image_out | ||
| ) | const |
Renders an RGB image for the given camera
posed with respect to the indicated parent frame P.
| camera | The intrinsic properties of the camera. | |
| parent_frame | The id for the camera's parent frame. | |
| X_PC | The pose of the camera body in the world frame. | |
| show_window | If true, the render window will be displayed. | |
| [out] | color_image_out | The rendered color image. |
| void RenderColorImage | ( | const render::ColorRenderCamera & | camera, |
| FrameId | parent_frame, | ||
| const math::RigidTransformd & | X_PC, | ||
| systems::sensors::ImageRgba8U * | color_image_out | ||
| ) | const |
| void RenderDepthImage | ( | const render::DepthCameraProperties & | camera, |
| FrameId | parent_frame, | ||
| const math::RigidTransformd & | X_PC, | ||
| systems::sensors::ImageDepth32F * | depth_image_out | ||
| ) | const |
Renders a depth image for the given camera
posed with respect to the indicated parent frame P.
In contrast to the other rendering methods, rendering depth images doesn't provide the option to display the window; generally, basic depth images are not readily communicative to humans.
| camera | The intrinsic properties of the camera. | |
| parent_frame | The id for the camera's parent frame. | |
| X_PC | The pose of the camera body in the world frame. | |
| [out] | depth_image_out | The rendered depth image. |
| void RenderDepthImage | ( | const render::DepthRenderCamera & | camera, |
| FrameId | parent_frame, | ||
| const math::RigidTransformd & | X_PC, | ||
| systems::sensors::ImageDepth32F * | depth_image_out | ||
| ) | const |
| void RenderLabelImage | ( | const render::CameraProperties & | camera, |
| FrameId | parent_frame, | ||
| const math::RigidTransformd & | X_PC, | ||
| bool | show_window, | ||
| systems::sensors::ImageLabel16I * | label_image_out | ||
| ) | const |
Renders a label image for the given camera
posed with respect to the indicated parent frame P.
| camera | The intrinsic properties of the camera. | |
| parent_frame | The id for the camera's parent frame. | |
| X_PC | The pose of the camera body in the world frame. | |
| show_window | If true, the render window will be displayed. | |
| [out] | label_image_out | The rendered label image. |
| void RenderLabelImage | ( | const render::ColorRenderCamera & | camera, |
| FrameId | parent_frame, | ||
| const math::RigidTransformd & | X_PC, | ||
| systems::sensors::ImageLabel16I * | label_image_out | ||
| ) | const |
| const math::RigidTransform<T>& X_PF | ( | FrameId | id | ) | const |
Reports the position of the frame indicated by id
relative to its parent frame.
If the frame was registered with the world frame as its parent frame, this value will be identical to that returned by X_WF().
| std::logic_error | if the frame id is not valid. |
| const math::RigidTransform<T>& X_WF | ( | FrameId | id | ) | const |
Reports the position of the frame indicated by id
relative to the world frame.
| std::logic_error | if the frame id is not valid. |
| const math::RigidTransform<T>& X_WG | ( | GeometryId | id | ) | const |
Reports the position of the geometry indicated by id
relative to the world frame.
| std::logic_error | if the geometry id is not valid. |
|
friend |
|
friend |


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Copyright © 2012-2019 Pi4J. All Rights Reserved.


We all need a good travel jacket to accompany us on a vacation or an adventure trip. Although, we love cloudy weather or a warm sunny morning with a little breeze; it is essential to invest in the best travel jacket to help you enjoy a memorable trip.
Whether it’s the Italian rain and snow or the freezing weather of Netherlands, there is nothing like a good travel jacket to keep you safe and comfy. Moreover, these jackets feature an incredible number of pockets to help you keep all your essentials in just one place.
Even if you are traveling to a warm destination, air conditioning is blasting wherever you go. Moreover, tropical climates are famous for their varying temperatures and rain showers.
| Product Name | Our Rating |
|---|---|
| Best Women's Travel Jacket | |
| Winner: Women's SCOTTeVEST Jacket | |
| Runner-Up: Baubax Travel Jacket - Bomber | |
| Best Men's Travel Jacket | |
| Winner: XY37 Men Travel Jacket Hoodie | |
| Best Lightweight Rain Jacket For Travel | |
| Fisoul Waterproof Lightweight Jacket |
Best Women's Travel Jacket
Winner: Women's SCOTTeVEST Jacket
Our winner for the best travel jacket is the fabulous Women's SCOTTeVEST Jacket, with 23 pockets. Not only you can quickly stash all your essentials; the smartly styled clothing accessory impresses with its sleek and contemporary design.
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Source: sharperimage.com
Now you no longer have to worry about keeping your belongings safe. Say goodbye to bulky and heavy handbags and welcome this fantastic travel jacket that not just makes you look great but also keeps your valuables protected.
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Women who have purchased this product rank it as the best jacket for travel. Buyers have praised its RFID blocking pocket that is meticulously engineered to prevent 13.56 MHz frequencies for securing your credit card data from tech-savvy skimmers.
The SCOTTeVEST jacket has received favorable reviews from happy customers who also rate it as a top-class gift item to a frequent flyer. It is available on Amazon for a price around $175.
Runner-Up: Baubax Travel Jacket - Bomber
Our runner-up for the best travel jacket for women is none other than the ever-popular BauBax Bomber. It is just what you need to own a travel-friendly and contemporary travel jacket. It offers ample space for keeping all your valuables in one place.
The jacket is for storing your smartphones, sunglasses, passports, etc. Another great feature is that it has an eye mask and a built-in neck pillow as well as a removable hood. That is a great looking jacket that is great for a casual ski or a weekend excursion.
The Bomber is a no-fuss travel jacket that features everything you seek in a high-end travel jacket. It offers an incredible solution to streamline your traveling gear. Women can keep everything they require during a trip and don't need to stash essential documents in a large handbag.
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Source: baubax.com
The Baubax Bomber is not just a travel jacket. Most women like to wear it when they are stepping out to do some quick shopping. It is available in 4 styles including blazers, windbreakers, sweatshirts, and bombers. You can easily choose the best fit as the item is available in multiple sizes and colors - from multiple in a variety of colors and sizes as well.
Buyers who have purchased this fantastic travel jacket love it for its built-in mask and gloves that conveniently extend from the sleeves.
You also get a handy microfiber cloth for cleaning your eyewear. With a built-in neck pillow, it offers an exceptional traveling experience while keeping your belongings safe, at all times.
The Bomber is a hit on Amazon where it has garnered a fair share of positive reviews. It’s hard to believe this gem came from a crowd-funded startup. You can purchase it for just around $180 with free shipping.
Best Men's Travel Jacket
Winner: XY37 Men Travel Jacket Hoodie
When looking to buy the best travel jacket for men, choose nothing but the XY37 Men's Travel Jacket. That is one of the best-looking jackets that also feature adequate space to keep all your valuables.

Thanks to multiple pockets, boys and men can keep items such as sunglasses, wallet, phone, earplugs, passport as well as a water bottle. Another great feature it is ergonomically designed built-in neck pillow that lies flat when you are not using it.
It takes just a couple of seconds to inflate it and ensures a trouble-free flight. The hood features an excellent and easily adjustable face and eye mask. With built-in gloves and hand warmer, you are always safe from staggering cold weather.
Source: ebay.com
A few buyers have complained that although all pockets are big enough to store plenty of items, not every pocket is zippered. You will have to make sure that you don't keep precious items in pockets that don't close completely. We also suggest you choose the best size before you place an order.
Buyers who have bought this valuable travel jacket rank it as the best travel jacket for men and an affordable item. You also get free earplugs with every coat to give you the best bang for your money. It is perfect for cold weather. However, it is not water-resistant or waterproof.
It is a hit on Amazon where the product has received mostly positive reviews from multiple clients. It is available in various sizes and colors on Amazon, and the price ranges from roughly $70 - $100. The brand also offers free returns on some shades and sizes.
Runner-Up: Men's SCOTTeVEST Jacket
Our runner-up is noted for its incredible durability and a finely engineered weight management system that ensures a light-weight jacket. With a jaw-dropping 25 pocket capacity, the Men's SCOTTeVEST Jacket has scored rave reviews from traveling enthusiasts and all men who like to dress in style.
Although you have ample room to store your entire collection of valuables, the best part is that the jacket does not feel bulky or lopsided. Thanks to an excellent cotton blend material, the jack remains airy and light.
Since the coat is Teflon treated; it is also stain and water resistant. The cotton blend material keeps this jacket light, and spacious and the Teflon treatment keeps it resistant to water and stains. The jacket also features detachable sleeves. That implies it is also a great traveling accessory for hot destinations. However, it doesn't come with a hood.
The jacket provides excellent storage and ultimate convenience for a hassle-free traveling experience. Since it benefits from a light-weight design, you can also wear it as a casual clothing accessory.
Source: ebay.com
Buyers are happy to get two large-sized chest pockets featuring hidden zippers. There is a pad pocket inside for holding your tablet or iPad as well as a special pocket lined with RFID blockers. Hence, it is a great travel jacket for men who like to travel with their credit card or other digital data.
There are also pockets for holding a water bottle and other essentials such as docs, sunglasses, and passports.
The Men's SCOTTeVEST Jacket is a massive hit among traveling enthusiasts and men who are looking for an affordable yet trendy travel jacket to enjoy a trouble-free trip. It is available on Amazon, where it has received much love for its durability and space, for a price around $175 with free return on a few colors and sizes.
Best Lightweight Rain Jacket for Travel
Fisoul Waterproof Lightweight Jacket
When shopping for the best light-weight rain jacket, the Fisoul Waterproof Lightweight Jacket offers complete protection against rain-showers and unpredictable weather. The product comes from a brand that is famous for its high-end manufacturing practices.
The company has accomplished an impeccable sales record, thanks to a string of successful clothing accessories and this waterproof lightweight jacket are no exception. Whether you look to wear a rugged or a sleek travel jacket, the contemporary design of this fantastic product makes you look great.
That is an excellent item for nature-loving women who prefer walking down a street to enjoy a light drizzle. Thanks to its superior and high-performance material, you get a long-lasting travel jacket that is specifically designed to sustain rain.
Its excellent raincoat material has 95% polyester and 5% spandex. Being water-proof and light-weight, it is an ideal accessory for women who are always on the go.
Source: ebay.com
The rain jacket comes with a detachable hood and benefits from a drawstring waist design. Its quick-drying and breathable material is great for casual use whereas a sleek pattern design catches everyone's attention. It also offers excellent sun protection and is an ideal item for all seasons.
You can also roll up the coat's sleeves if you are cycling, climbing or hiking. It is also a favorite raincoat for camping, running and trekking. Women, who are looking for a trendy yet functional rain jacket that not just looks great but also keeps them warm and comfy, must add this valuable jacket to their wardrobe.
That is an incredibly affordable jacket that continues to impresses women of all ages with its tough material and light-weight design.
Although some women have reviewed that it is not the best rain jacket to sustain massive rain status, nonetheless, the Fisoul rain jacket is a great item to purchase for shielding you from the cold and rainy weather. It is available in multiple sizes and colors, ranging from almost $25-$43 on Amazon.
How To Buy The Best Travel Jacket
When shopping for the best travel jacket, make sure you look for the following features in a product to choose the best one according to your traveling needs. Your chosen jacket must be a good fit and should ideally fit into your budget. Here are a few features you must pay attention to when buying a travel jacket.
Pockets
It is true that the first thing we look for in a travel jacket is its number of pockets. However, make sure the pockets are secure enough to keep your valuables safe. Go for designs that have zippered pockets.
Too many pockets can also leave you frantically searching for the items you need at a busy place such as the airport. But choosing a travel jacket with few pockets is also a mere waste of money.
Choose a travel jacket that features at least one RFID blocking pocket. That ensures that your credit card and sensitive information stays safe.
Durability
Contrary to popular belief, not all travel jackets are water-resistant or waterproof. Some travel jackets function the same way as sweaters to keep you dry. Check for durability when you are traveling to a destination that has unpredictable weather.
Warmth Level
Before buying a travel jacket for going to places with extreme weather such as Iceland or Antarctica; make sure you choose a more specialized coat that is mainly created to keep you warm in cold weather. Some designs come with extended or removable sleeves so you can modify according to your destination's climate.
Design
The best travel jackets usually have hoods which are a great feature to protect you against the wind. There are also other built-in features that come in handy to provide you added comforts such as a neck pillow or an eye mask. Make sure you choose a product that offers all the features that best fit your traveling style and needs.
Quick Drying
Modern synthetic travel jackets have rapid drying capabilities. Hence, these products are great for traveling to wet, snowy or rainy parts of the world.
Durability
Checking a travel jacket for durability is essential. Your purchase should be able to last long-term use without succumbing to external elements such as snow or rain. Most of today's travel jackets are made out of durable materials to fashion a sturdy accessory. Look for solid zippers to ensure that you get a durable travel jacket.
Weight
Today’s best jackets are not only light-weight, the come with a foldable design so you can easily carry these accessories in your luggage. Your chosen design should not be too bulky or heavy.
Dirt And Water Resistance
Nobody wants to wear a smelly travel jacket. That's why it is essential to choose a product that utilizes a premium-quality material that remains odor-free.
Moreover, your jacket should be able to resist water and dust to maintain its original shine. Many contemporary designs are available in trendy, vibrant colors. However, black and navy blue remain the most popular colors since these colors don't stain easily.
Some parents like to opt for bright colors when buying traveling jackets for their children. That lets them easily spot their kids at crowded places, like the airport.
Easy To Store
Good weight management system and a light-weight design ensure that your jacket is easy to pack.  Your chosen travel jacket must be foldable, so you don't have trouble keeping it in your luggage.
Comfort And Size
The best travel jackets offer a superior combination of affordability, durability, and support. Since all models are available in multiple sizes, there is no excuse for settling on an imperfect fit. Almost all products offer a size chart so you can buy the best travel jacket according to your measurements.
The kind of gear you intend to store in your jacket can also have an impact on the size you frequently wear. Some jackets offer functional pockets, and you consider carefully consider your size, in case you plan on using them.
Benefits Of Buying The Best Travel Jacket
There is nothing like the best travel jacket to keep you warm and protected when traveling. But, having all the gear you need for staying connected to the rest of the word, gives you the freedom to enjoy your trip without much trouble.
When you have purchased the best travel jacket for your needs, you can travel all the around world with your phone and iPad. Waiting in bus stations or airports is never dull when you have tech-gear. All travel jackets have adequate storage to keep your digital devices including cameras and phones for enjoying every moment of your trip.
That is why a travel jacket has now become an indispensable part of a traveler's equipment. Don't purchase a mediocre quality jacket from a fake brand. Always buy original travel jackets that are manufactured by authentic brands. Buying from trusted online retailers such as Amazon is still a safer option.
Conclusion
The best travel jacket is not just another accessory. It offers a complete even if you're traveling to a warm destination; you need a warm and comfy coat to save you from the blasting air conditioning.
All products we have enlisted in this buying guide are durable and high performing. Not only these jackets are manufactured to offer you superior protection against rain and snow, but it also gives you a convenient way to keep essential documents and devices, no matter where you go.
Whether you are enjoying a quick stroll in the rain or venturing out on skiing; choosing the best travel jacket doubles the fun. You can buy the best travel jacket that fits your lifestyle and traveling needs, by considering all the factors we have mentioned in this buying guide.
The market has a plethora of choices and consumers can easily find the right size and the perfect color to get a great-looking travel jacket.
- Resources:
- HuffPost
- LifeHacker


This is a normal rect with auto clipping
This is a div with the left side clipped out
One can create a rect with or without commas and the clip works
Text and borders are clipped too
Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text
:yakgone:
Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text


ellipse2Poly Approximates an elliptic arc with a polyline
pts = cv.ellipse2Poly(center, axes)
[...] = cv.ellipse2Poly(..., 'OptionName', optionValue, ...)
Input
- center Center of the arc
[x,y]
.
- axes Half of the size of the ellipse main axes
[a,b]
. See cv.ellipse
for details.
Output
- pts Output vector of polyline vertices. A cell-array of 2-element
vector
{[x,y], ...}
.
Options
- Angle Rotation angle of the ellipse in degrees. See cv.ellipse for
details. default 0.
- StartAngle Starting angle of the elliptic arc in degrees. default 0
- EndAngle Ending angle of the elliptic arc in degrees. default 360
- Delta Angle between the subsequent polyline vertices. It defines the
approximation accuracy. default 5.
The function cv.ellipse2Poly computes the vertices of a polyline that
approximates the specified elliptic arc. It is used by cv.ellipse.


Float Labels Demo
Based on code by Peter Sorowka
http://peter.freilicht.net/float-label-implementation/
Title
Author


Interface for accessing AmazonCloudWatch.
More...
List of all members.
Detailed Description
Interface for accessing AmazonCloudWatch.
Amazon CloudWatch
Amazon CloudWatch is a web service that enables you to monitor and manage various metrics, as well as configure alarm actions based on data from metrics.
Amazon CloudWatch monitoring enables you to collect, analyze, and view system and application metrics so that you can make operational and business decisions more quickly and with greater confidence. You can use Amazon CloudWatch to collect metrics about your AWS resources, such as the performance of your Amazon EC2 instances. You can also publish your own metrics directly to Amazon CloudWatch.
Amazon CloudWatch allows you to manage the metrics in several ways. If you are publishing your own metrics, you can define custom metrics for your own use. If you are registered for an AWS product that supports Amazon CloudWatch, the service automatically pushes basic metrics to CloudWatch for you. Once Amazon CloudWatch contains metrics from either source, you can calculate statistics based on that data and graphically visualize those statistics in the Amazon CloudWatch Console.
Amazon CloudWatch alarms help you implement decisions more easily by enabling you to do things like send notifications or automatically make changes to the resources you are monitoring, based on rules that you define. For example, you can create alarms that initiate Auto Scaling and Simple Notification Service actions on your behalf.
Member Function Documentation
Deletes all specified alarms. In the event of an error, no alarms are deleted.
- Parameters:
-
| deleteAlarmsRequest | Container for the necessary parameters to execute the DeleteAlarms service method on AmazonCloudWatch. |
- Exceptions:
-
| CloudWatchResourceNotFoundException | |
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |
Retrieves history for the specified alarm. Filter alarms by date range or item type. If an alarm name is not specified, Amazon CloudWatch returns histories for all of the owner's alarms.
NOTE: Amazon CloudWatch retains the history of an alarm for two weeks, whether or not you delete the alarm.
- Parameters:
-
| describeAlarmHistoryRequest | Container for the necessary parameters to execute the DescribeAlarmHistory service method on AmazonCloudWatch. |
- Returns:
- The response from the DescribeAlarmHistory service method, as returned by AmazonCloudWatch.
- Exceptions:
-
| CloudWatchInvalidNextTokenException | |
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |
Retrieves alarms with the specified names. If no name is specified, all alarms for the user are returned. Alarms can be retrieved by using only a prefix for the alarm name, the alarm state, or a prefix for any action.
- Parameters:
-
| describeAlarmsRequest | Container for the necessary parameters to execute the DescribeAlarms service method on AmazonCloudWatch. |
- Returns:
- The response from the DescribeAlarms service method, as returned by AmazonCloudWatch.
- Exceptions:
-
| CloudWatchInvalidNextTokenException | |
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |
Retrieves all alarms for a single metric. Specify a statistic, period, or unit to filter the set of alarms further.
- Parameters:
-
| describeAlarmsForMetricRequest | Container for the necessary parameters to execute the DescribeAlarmsForMetric service method on AmazonCloudWatch. |
- Returns:
- The response from the DescribeAlarmsForMetric service method, as returned by AmazonCloudWatch.
- Exceptions:
-
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |
Disables actions for the specified alarms. When an alarm's actions are disabled the alarm's state may change, but none of the alarm's actions will execute.
- Parameters:
-
| disableAlarmActionsRequest | Container for the necessary parameters to execute the DisableAlarmActions service method on AmazonCloudWatch. |
- Exceptions:
-
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |
Enables actions for the specified alarms.
- Parameters:
-
| enableAlarmActionsRequest | Container for the necessary parameters to execute the EnableAlarmActions service method on AmazonCloudWatch. |
- Exceptions:
-
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |
Gets statistics for the specified metric.
NOTE: The maximum number of data points returned from a single GetMetricStatistics request is 1,440. If a request is made that generates more than 1,440 data points, Amazon CloudWatch returns an error. In such a case, alter the request by narrowing the specified time range or increasing the specified period. Alternatively, make multiple requests across adjacent time ranges.
Amazon CloudWatch aggregates data points based on the length of the period
that you specify. For example, if you request statistics with a one-minute granularity, Amazon CloudWatch aggregates data points with time stamps that fall within the same one-minute period. In such a case, the data points queried can greatly outnumber the data points returned.
NOTE: The maximum number of data points that can be queried is 50,850; whereas the maximum number of data points returned is 1,440.
The following examples show various statistics allowed by the data point query maximum of 50,850 when you call GetMetricStatistics
on Amazon EC2 instances with detailed (one-minute) monitoring enabled:
- Parameters:
-
| getMetricStatisticsRequest | Container for the necessary parameters to execute the GetMetricStatistics service method on AmazonCloudWatch. |
- Returns:
- The response from the GetMetricStatistics service method, as returned by AmazonCloudWatch.
- Exceptions:
-
Returns a list of valid metrics stored for the AWS account owner. Returned metrics can be used with GetMetricStatistics
to obtain statistical data for a given metric.
NOTE: Up to 500 results are returned for any one call. To retrieve further results, use returned NextToken values with subsequent ListMetrics operations.
NOTE: If you create a metric with the PutMetricData action, allow up to fifteen minutes for the metric to appear in calls to the ListMetrics action.
- Parameters:
-
| listMetricsRequest | Container for the necessary parameters to execute the ListMetrics service method on AmazonCloudWatch. |
- Returns:
- The response from the ListMetrics service method, as returned by AmazonCloudWatch.
- Exceptions:
-
| CloudWatchInternalServiceException | |
| CloudWatchInvalidParameterValueException | |
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |
Creates or updates an alarm and associates it with the specified Amazon CloudWatch metric. Optionally, this operation can associate one or more Amazon Simple Notification Service resources with the alarm.
When this operation creates an alarm, the alarm state is immediately set to INSUFFICIENT_DATA
. The alarm is evaluated and its StateValue
is set appropriately. Any actions associated with the StateValue
is then executed.
NOTE: When updating an existing alarm, its StateValue is left unchanged.
- Parameters:
-
| putMetricAlarmRequest | Container for the necessary parameters to execute the PutMetricAlarm service method on AmazonCloudWatch. |
- Exceptions:
-
| CloudWatchLimitExceededException | |
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |
Publishes metric data points to Amazon CloudWatch. Amazon Cloudwatch associates the data points with the specified metric. If the specified metric does not exist, Amazon CloudWatch creates the metric.
NOTE: If you create a metric with the PutMetricData action, allow up to fifteen minutes for the metric to appear in calls to the ListMetrics action.
The size of a PutMetricData request is limited to 8 KB for HTTP GET requests and 40 KB for HTTP POST requests.
IMPORTANT: Although the Value parameter accepts numbers of type Double, Amazon CloudWatch truncates values with very large exponents. Values with base-10 exponents greater than 126 (1 x 10^126) are truncated. Likewise, values with base-10 exponents less than -130 (1 x 10^-130) are also truncated.
- Parameters:
-
| putMetricDataRequest | Container for the necessary parameters to execute the PutMetricData service method on AmazonCloudWatch. |
- Exceptions:
-
Temporarily sets the state of an alarm. When the updated StateValue
differs from the previous value, the action configured for the appropriate state is invoked. This is not a permanent change. The next periodic alarm check (in about a minute) will set the alarm to its actual state.
- Parameters:
-
| setAlarmStateRequest | Container for the necessary parameters to execute the SetAlarmState service method on AmazonCloudWatch. |
- Exceptions:
-
| CloudWatchResourceNotFoundException | |
| CloudWatchInvalidFormatException | |
| AmazonClientException | If any internal errors are encountered inside the client while attempting to make the request or handle the response. For example if a network connection is not available. |
| AmazonServiceException | If an error response is returned by AmazonCloudWatch indicating either a problem with the data in the request, or a server side issue. |


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ORACLE BOT Platform
BOTS - AI
A chatbot is a modern alternative to business communication that can unify all business applications and provide a bridge to “talk” between the enterprise and its users/customers in this messaging age.
A chatbot is an interactive platform that is a smart and friendly virtual assistant that combines an omnichannel communication experience into one simple interface, removes the need to navigate across various applications for repetitive tasks and simplifies the entire engagement experience into a contextual conversation.
Automating most human centric processes through bots also gives a company an image of being forward-looking and technology-oriented. Adopting such a platform unlocks the business’s ability to rapidly release functionality previously unheard of because of technical, financial, personnel restrictions. For example, an On demand self-service bot can address time cards, password resets, document retrieval, FAQ, etc.).
As we move towards this messaging age, business needs to adapt to consumers increasing want to have a closer relationship with them as well as being easier to engage with. Chatbot allows customers to chat in a channel agnostic (Web App, Mobile App and Chat Service) way as well as provide in some cases a better outlet that is impersonal i.e. HR questions, Re-occurring engagements, etc.
The Bots talk the same language as your users
Channel Agnostic Experience. Allows customers to Interact through native messaging channels/mobile apps/web apps and have a secured route through to your enterprise applications.
An impersonal touch - ask those questions which you were afraid to speak to a person, pester the Bot as much as you want.
Chatbots can also provide immense scope for companies to improvise and learn consistently about their customers.
Virtual Assistants powered by Artificial Intelligence helps streamline processes better by directing a client to a chatbot to respond to basic queries from a customer, and then escalate them seamlessly to email or a phone call if required. Such engineered smart processes can help deliver better customer satisfaction and, not to mention, free up agents’ time in the process.
Everyone who wants to understand the Oracle BOT Platform
Internal : Cloud platform Reps, Cloud Speciality Reps, Cloud Success Managers
External : Partners, Innovation & Digital Transformation Leaders, Head of customer Services...
You are the conduit into the DX Pre-Sales Team and we want to help you sell and advocate the platform.
Anyone who wants customers to be innovative and stay competetive with our Technology offering.
If you have specific scenarios, projects we can execute and facilitate those workshops with tangible outcomes. Ex. Pilots, POCs, Journey Mappings.
Takes a long time
You would adopt an agile implementation methodology just like any enterprise project. Consider that most cloud implementations require a dev cycle, test cycle and then a production cycle chatbot is similar, it requires users to develop the dialog, test the intents asked by users match and then deploy to multiple channels of interest. channels.
AI is complicated
Oracle chatbot uses AI which is complex, to say the least. But what Oracle does is bring AI to the mainstream by making it accessible to chatbot with a single click of a button. Oracle chatbot utilizes multiple statistical learning models to train your dialog every time you make a change but Oracle vets all this and the customer/developer only sees the result thus commercialising something as complex as AI.
Low Hanging Fruits.
Some low hanging fruits would be any internal business services such as password resets etc. The cost of IT desk, time spent, inefficiency will justify the cost of a chatbot and be a platform for other projects. B2B/B2C Customer services smart relevant FAQ with ability to transact is another common use case seen in the market place.
Attach onto any application that is currently happening/ existing application especially legacy products that are looking at modernising user experience. The reasoning behind this is chatbot can be used a more personal/easier channel to interact with.
We can provide you automatic access to our Demo Bots through your Facebook Id
A chatbot is a computer program which conducts a conversation via auditory or textual methods. Such programs are often designed to convincingly simulate how a human would behave as a conversational partner, thereby passing the Turing test. Chatbots are typically used in dialog systems for various practical purposes including customer service or information acquisition. Some chatterbots use sophisticated natural language processing systems, but many simpler systems scan for keywords within the input, then pull a reply with the most matching keywords, or the most similar wording pattern, from a database.
Use of a chatbot is a clear differentiator to most if not all sales competitors that you will match up against. As BOTS is a new wave, customers seeing this new innovative Oracle will be more willing to explore possibilities with you. What we should aim for is to land and expand, as chatbot isn’t expensive for a prototype to be rolled out. Once the prototype has justified itself expansion should start as soon as they move towards production which could expand if you consider the B2C market. This also opens the gateway for other PaaS solutions like APICS, ICS, CECS, PCS etc. as a solution complementing these services to connect chatbot with back-end enterprise systems. What we’d like is for the CSR’s to not only be able to have a conversation with the customer and demo chatbot but also be there with the customer to hold their hand, as the faster they roll out to production the faster they will be purchasing more chatbot. We hope that the CSR’s can be a conduit between us and the customer to nurture them on the chatbot and with/without us recommend innovation ideas. To challenge the customers status quo and bring the customer to the next level
Types of Bots
NLP or intent based chatbot – a chatbot that is based on statistical probability, it uses a library of communication languages (English, slang etc.) to “estimate” what the consumer is trying to say. This will increase the likelihood that customer may ask any question, the bot will understand the intent and respond. Example Oracle
Humane chatbot – a chatbot that’s purpose is to boil the ocean, to learn all that can be asked and provide an answer. As a result, the chatbot answer many questions from football to weather but as a result is pricey and does not adhere to business needs. To expand on this point an example would be if I have a domino chatbot would a consumer ask about the weather? If they did this, what business value does answering irrelevant questions provide back to the organisation? Example Watson
Rule based chatbot :adopts the methodology of burning every possible way a question can be asked and match it to an answer. A very difficult task considering any punctuation, spelling mistake, synonyms of every word will be tried and if not found exactly matching then will return an error. This approach is simple in implementation and will always return correct result if asked the right question. This implies a person may need to train on how to use the chatbot if the chatbot is not exhaustive enough. Example Tay
Mandatory : Oracle PaaS : Oracle Enterprise Mobile Suite
Value added Services : Oracle Content & Experience Cloud Service, Oracle Integration Cloud Service, Process Cloud Service, API Platform Cloud Service
Value added Services : Oracle Database Cloud Service, Analytics Cloud Service, Application Container Cloud Service, Container Cloud Service.
TCO for 1 Year. Example only subject to pricing availability of Mobile Enterprise Suite.
| B2B/B2E Bot | B2C Bot | Customer Experience Bot | |
|---|---|---|---|
| Example Use Case | Partner Franchise / Supplier / Employee Service BOT - Small | Insurance/ Brokers BOT - Medium | Citizen Facing Gov’ / Larger Deployment |
| Monthly Visitors (Approx. Daily Visitors) | 50,000 (2,500) | 200,00 (10,00) | 1,000,000 (50,000) |
| BOT Analysts | 10 | 50 | 100 |
| ARR | $25,000 | $100,000 | $500,000 |


Scoped css is an important feature if you'd like to put your elements into components. Luckily, {productName} will automatically scope your styles. Scoped css is not a thing in regular html anymore because of the lack of browser support, however, if you would to apply the scope using javascript this now becomes a possible feature that you can use in html.
The scoped css in {productName} works the same as in scoped-css-js so to see further documentation you can follow the link.
All you have to know is that you can put the attribute scoped to your style-tag and {productName} will automatically scope the css.

This is big

This isn't

Let's say you want to select the outer element (in this example the header). To accomplish that you can use the selector #this:

Hello, world!

You alternatively can use the attribute scope to set the scope manually. For example you want to select every a-tag thats inside a li-tag.


Lately, I have been experimenting with running PostgreSQL in a Docker container and communicating with it - from an application. This article documents my experience, learnings and methodology.
Problem Link to heading
I have got a lot of small personal projects which use separate databases.
Each DB is associated with a unique configuration (combination of user, password, name) which as exported as environment variables in the relevant applications.
Now, this soon got messy as my machine was polluted with lots of DBs and their configurations. Thus, I started exploring the possibility of using containers for the task of running the DBs.
Getting Started Link to heading
Before starting diving into reading endless documentation, articles and tutorials, I wrote down some basic questions which I wanted to be answered first. My prime concern was getting up to speed with performing fundamental DB operations as quickly as possible with the new container layer.
- How can I initialise the DB with some schema as soon as it starts up?
- Can I access the DB via command-line and perform SQL commands using
psql
? - How do I connect to the DB via a running application?
- What is the way to persist data once the running DB container is stopped?
Based on my prior experience with Docker, I already knew that as soon as a container is stopped all the data stored in it gets deleted. Thus, persisting data changes would be a major challenge otherwise the whole point of using containers is moo. 🐮
Prerequisites Link to heading
Project Link to heading
We will a PostgreSQL DB for all the members of the infamous League of Shadows 👹.
This database is mission-critical to the Gotham PD for protecting the city from future acts of terrorisms.
Basic Link to heading
1. Design the DB schema Link to heading
We will keep it simple for now as we are more concerned with learning how to use Postgres from a running container rather than focusing on the database schema design.
We will use a single table called members
as follows:
| id | name | bio |
|---|---|---|
| 1 | Ra’s al Ghul | He is the founder of The League of Shadows. |
| 2 | Bruce Wayne | Batman’s secret identity is Bruce Wayne, an American billionaire, playboy, philanthropist, and owner of Wayne Enterprises. |
| 3 | Talia al Ghul | She is the daughter of Ra’s al Ghul. |
| 4 | Bane | Bane was once a member of The League until he was excommunicated by Ra’s al Ghul. |
2. Create and run the PostgresDB container Link to heading
$ docker run --detach \ # run the container in background
--name "shadowsDB" # name the container
-e POSTGRES_USER="batman" \ # configuration specific to our database
-e POSTGRES_PASSWORD="blueflower" \
-e POSTGRES_DB="league_of_shadows" \
postgres:11.1-alpine
- This command will run a container with a DB named “league_of_shadows” for the user “batman”.
- We are using
--detach
primarily because we do not want to pollute our terminal with logs from PostgreSQL. - We use the Alpine image for experimentation purpose only. (
bash
)
3. Using docker-compose
instead for a simpler interface.
Link to heading
As you can see, the multi-line command looks a bit clunky and is prone to mistakes.
Let’s rewrite the same command in a docker-compose.yml
file instead.
Create the following docker-compose.yml
file inside the project directory shadows
:
Now we can run the container from within the shadows
directory with:
$ docker-compose up
4. Access the DB running within the container Link to heading
Now that the container is running, open a new terminal.
Exercise: Check whether the DB has any tables or data?
$ docker exec -it shadowsDB bash # opens up a Bash session inside the DB container
$ psql league_of_shadows -U batman # connect to the DB
league_of_shadows= \dt # list tables in the DB
Did not find any relations.
It’s empty! 😢
- Thanks to naming our container and using the Alpine image, we can easily use bash here.
- Password is not required when you are connecting to the DB from inside the container.
I encourage you to play around inside the container.
5. Loading data into the DB Link to heading
(pwd: shadows
)
Let’s add our all important data to the empty DB.
- (optional) If you are still inside the container, exit it by closing the bash session.
- Create
1.sql
and2.sql
files inside a postgres directory within the project.
The SQL files hold the SQL instructions required for creating the DB table and populating it respectively.
- Add the files to the container as volume by modifying the docker-compose.yml
- Rebuild and run the container
$ docker-compose down # Stop the running container
Stopping shadowsDB ... done
Removing shadowsDB ... done
Removing network shadows_default
$ docker-compose up
- Access the container using Step#4 from above.
- Verify that the DB is populated with the data.
Notes
- The SQL files inside the
postgres
directory are executed in alphabetic order. i.e.1.sql
->2.sql
. - You can access the
./docker-entrypoint-initdb.d
folder from within the container to locate the SQL files.
6. The Dark Knight Link to heading
Now that Gotham PD has created the DB, Gordon reveals that Mr. Wayne is infact Batman and not a member of the League. Thus, we should remove Bruce Wayne
from the table.
- Connect to the DB within the continer using Step#4.
- Delete the row with
Bruce Wayne
:DELETE FROM members WHERE id=2;
- Close the connection.
- Exit the container.
- Stop the container with
$ docker-compose down
- Restart the container:
$ docker-compose up
- Is
Bruce Wayne
removed from our DB?
Sadly, no! The reason being we are not persisting the changes made in the previous container to the current container.
7. Data Persistence Link to heading
We simply need to define a new volume for the container where we can store a dump of the database. This could any empty directory on your machine which will reflect the /var/lib/postgresql/data
directory present inside the DB container.
- Modify
docker-compose.yml
by adding the new volume. - Repeat Step#7
- Verify that
Bruce Wayne
is successfully removed from the DB.
Gotham is now more resilient than ever! Kudos 🎉
Summary Link to heading
After spending an entire afternoon exploring Docker and Postgres, I’m convinced that using containers for running the DB and application provides me a lot of peace of mind worth the initial burden of writing the Dockerfile
and docker-compose.yml
files. From now onwards, I will definitely use Docker containers for running my databases.
Hopefully, you will consider the same when starting a new project! 😁


{% extends 'layouts/application.html' %} {% block content %}
We are a digital agency that delivers high quality products to nonprofits and social organizations at Zero cost.
We create products that provide a lasting user experience and create a real impact on the user
Acell provides you with an envrionment to learn and grow your social and technical skills. Join us and work on real projects in a fantastic team
You are a person that is driven by the process of creation. You have a clear set of goals for your life and one of them is to get better at delivering products. Experience is one of the most valuable things in your life and you are ready with investing time and effort in building your skills.
You have built a few cool things for yourself or others that you can show us and explain why you build them?
Frontend: You “mastered” HTML and CSS and have built something with technologies like Ajax, ES6, React/Angular similar
Backend: You build something with Python, NodeJS or simillar. Knowledge of RESTfull API’s and Database Engineering would get you some Karma points.
Your identify yourself as a UI Designer, Product Manager, User Experience Evangelist or anything else that is needed to build digital products. Let us know!


For over 30 years, our firm has been providing superior legal service for our clients. Unlike other law firms where you may only deal with a paralegal or secretary, at our firm a lawyer answers your questions and guides you through your difficult time. Whether your issue is a traffic matter, accident, divorce or business litigation, let our firm stand by your side.
Business Disputes And Planning
Put our knowledge and skill to work for you...
Put our knowledge and skill to work for you. Whether you are
forming a new business or protecting the assets you have already
built, our firm is the right choice for you. Our firm can recover
money due and owed to your business, resolve business disputes, and
offer legal guidance to you every step of the way in building
your business.
Real Estate Transactions
Our firm offers local representation and helps you...
Our firm offers local representation and helps you with any problems that arise when buying and selling either commercial or personal real estate, and we'll carefully review contracts to prevent issues from arising in the future. We seek to help buyers and sellers by offering representation during negotiations, assistance with reviewing contracts and closings. We will register legal documents related to any transaction.
Personal Injury
If you've been injured in a motor vehicle accident...
If you've been injured in a motor vehicle accident, first call 911 then call us. Every year, thousands of people are injured in car accidents, truck accidents, and motorcycle accidents. These accidents result in injuries with a range of severity, such as back and neck injuries, broken bones, paralysis, and spinal cord injury. If you or a family member have been injured in a car accident, even if the accident was your fault, contact our firm for experienced accident lawyers today.
Family Law
Divorce is never part of the plan when a marriage takes...
Divorce is never part of the plan when a marriage takes place, but sometimes it is the right path forward for the family. Often individuals with children are afraid to move forward because of the impact on their children. Our firm's motto is "the better you do, the better your children will do." Whether you need to file for divorce or your spouse has already started the divorce process, or have a post-divorce problem, we have the knowledge and skill that you want and need.
Debtor and Creditor Collections
Collecting debts can be difficult in today's economy...
For Creditors: Collecting debts can be difficult in today's
economy. One of the principle concerns is whether you've stepped
over the line in going about the collection. Our firm's legal
knowledge in this area goes a long way. We can aid in locating
the debtor and collecting your unpaid balance.
For Debtors: We know that you wanted to pay your debts, and
wanted to pay them on time, but it is not always possible.
Sometimes there just is not enough money to go around. If you
find yourself in this position, knowing the law regarding debt
collection can help you negotiate the best settlement with your
creditors. Even if you have a judgment against you, we may
still be able to help settle your debts and end garnishments.
Wills, Trusts and Probate
Protecting the wealth and property that you have accumulated...
Estate Planning: Protecting the wealth and property that you
have accumulated is important. Knowing who would get that wealth
and property if you were to pass away is even more important.
Our firm's experienced lawyers can help you protect what you
have built.
Guardianships: If you have a family member who can no longer
care for themselves, whether due to age or an accident, we can
help with the process of having a guardian appointed.
After the death of a family member: When a loved one has passed,
the last thing you want to think about is having to protect your
interests. From helping to settle the estate to negotiating
complex disagreements over inheritance, we will be there for
you. We have experience easing the legal burdens that follow a
death and can help you get through this tough time.
Employment Disputes
Being a salaried employee does not mean you...
Being a salaried employee does not mean you are not entitled to overtime. The federal Fair Labor Standards Act (FLSA) and similar state laws provide protections for most employees. Most people should be paid at least minimum wage plus one and a half times their normal rate for all hours worked over forty in a week. If you are not being paid overtime, your employer may be violating wage and hour employment laws.


Clear
{{header}}
{{flight.flight}}
{{flight.departure}}
{{flight.arrival}}
{{flight.stops}}
$ {{flight.price}}


Our Mission
Handpicked, Artisanally Curated, Free Range, Sustainable, Small Batch, Fair Trade, Organic Tea
Tea Of The Month
What's Steeping at The Tea Cozy
Fall Berry Blitz Tea
Spiced Rum Tea
Seasonal Donuts
Myrtle Ave Tea
Bedford Bizarre Tea
Locations
Downtown
384 West 4th St
Suite 108
Portland, Maine
East Bayside
3433 Phisherman's Avenue
(Northwest Corner)
Portland, Maine
Oakdale
515 Crescent Avenue
Second Floor
Portland, Maine
The Tea Cozy
<EMAIL_ADDRESS>917-555-8904


Injured quartet including Neymar in line for Paris Saint-Germain returns
by FSA EditorParis Saint-Germain are optimistic of a positive week on the injury front, with four key men – including Neymar – set to resume training
Neymar, Thomas Meunier, Keylor Navas and Marco Verratti are all expected back in Paris Saint-Germain training next week following injuries.
PSG had previously announced Neymar was due to resume training this week, having been out since the previous international break with a hamstring injury.
He is instead now set to return in the coming days, alongside Thomas Meunier, who has also been dealing with a hamstring issue.
Navas should likewise be back among the squad in the next seven days as he recovers from a thigh injury which forced him out of last weekend’s win at Brest.
The former Real Madrid man had crucially saved a penalty against Club Brugge in the Champions League three days earlier.
Verratti has had an injury to the back of his right knee, keeping him out of international action for Italy, but is hoping to train by the end of next week.


The Task
Job Descriptions:
Recorders: research and record basic information about the expedition, including the purpose, origin, destination and discoveries.
Engineer: research the supplies and transportation used for the expedition and create a diagram of the transportation used.
Navigator/Cartographer:
research the navigational equipment used during the expedition and create a map
showing the route.
Interpreter: research the natives encountered and the environment of the new land.


FAQs
- Can you show me an example of how to use this reporting?
- My test failed, but ExtentReports shows it as passed.
- How can I categorize my tests?
- Is it possible to keep results from my previous run and append my tests to the same file?
- What is the log hierarchy used by Extent?
- Something is not working correctly, what should I do?
Can you show me an example of how to use this reporting?
There are plenty of examples in the documentation: Java, .NET. Other than the docs, Bas has also written a great review which shows usage.
My test failed, but ExtentReports shows it as passed.
There is generally only 1 reason why this happens. The statement that sends a failed
event to ExtentReports never gets executed. Consider the following example:
public static void main(String[] args) {
ExtentReports extent = new ExtentReports("file-path", true);
ExtentTest t = extent.startTest("Demo");
// will be logged
t.log(LogStatus.PASS, "I am logged correctly");
// executing stops right here
Assert.assertEquals(false, true);
// will not be logged
t.log(LogStatus.FAIL, "I am not logged");
}
TestNG example:
public class Demo {
private ExtentReports extent = ExtentManager.getInstance();
private ExtentTest t;
@Test
public void test() {
t = extent.startTest("Demo");
// will be logged
t.log(LogStatus.PASS, "I am logged correctly");
// executing stops right here
Assert.assertEquals(false, true);
// will not be logged
t.log(LogStatus.FAIL, "I am not logged");
}
@AfterTest
public void afterTest() {
extent.endTest(t);
extent.flush();
}
}
Because the assert failed the test, even though the result will show up in the test-runner's log, it will not show up in the report file unless the failed
step gets executed. I would recommend using soft asserts (for TestNG) as normal (hard) asserts will stop the test the moment they encounter a failure.
If you are using TestNG, an extremely simple way to handle this scenario is checking the test status in @AfterMethod
and reporting fail if the test failed:
@AfterMethod
public void tearDown(ITestResult result) {
if (result.getStatus() == ITestResult.FAILURE) {
test.log(LogStatus.FAIL, "<pre>" + result.getThrowable().getMessage() + "</pre>");
}
}
See examples with asserts for JUnit and TestNG.
Another safe measure is to call extent.close()
at the very end, for example, as the last step in @AfterSuite
. If any of your test ended abruptly causing any side-affects (not all logs sent to ExtentReports, information missing), this method will ensure that the test is still appended to the report with a warning message.
extent.close();
How can I categorize my tests?
Started version 2.02, simply assign a category to your test using assignCategory
:
ExtentTest t = extent.startTest("Demo");
t.assignCategory("Regression");
t.assignCategory("Regression", "ExtentAPI");
t.assignCategory("Regression", "ExtentAPI", "category-3", "cagegory-4", ..);
Is it possible to keep results from my previous run and append my tests to the same file?
Yes, it can be done by using replaceExisting = false
in the instance itself:
// replaceExisting = false
// will not create a brand new report, it will simply append new tests to it
private ExtentReports extent = new ExtentReports("file-path", false);
What is the log hierarchy used by Extent?
Extent has the following log levels with FATAL having the highest priority and UNKNOWN having the lowest.
- FATAL
- FAIL
- ERROR
- WARNING
- PASS
- SKIP
- INFO
- UNKNOWN
Examples:
- If you have the following statuses in your test:
FATAL
,ERROR
,PASS
, the final status of your test would beFATAL
. - If you have the following statuses in your test:
WARNING
,ERROR
,PASS
, the final status of your test would beERROR
. - If you have the following statuses in your test:
PASS
,SKIP
,PASS
, the final status of your test would bePASS
. - If you have the following statuses in your test:
INFO
,SKIP
,INFO
, the final status of your test would beSKIP
.
Something is not working correctly, what should I do?
You can log all bugs or features here. Provide as much information as possible, i.e. steps to reproduce, code examples, type of test runner, Extent version etc.


Welcome to MeFee Temp Tracker. To get started, please tell us who you are tracking a temperature for. You can add multiple people if you wish, to assist your family or friends. You can always change this later if you want.
Temperature tips:
| Date/Time | Temperature | Status |
|---|
MeFee is a free webapp that gives you an easy platform to enter and track your temperature data over time. Using that data, we estimate what temperature would be abnormally high for you, and alert you when your temperature gets too high. Because the data is personalized to your specific data, this is usually well before you technically have a fever.
The short answer by measuring your temperature regularly, we can try to catch the early signs of a fever, one of the symptoms of COVID-19, so you can know to self-isolate as soon as possible, reducing the chance of you passing on the virus to your family and community. The longer answer is that the median incubation period before symptoms are typically identified for COVID-19 has been estimated at 5.1 days. During that period, people are contagious (with the average serial interval estimated at 3.96 days). Even with moderate degrees of isolation, the virus can still spread within the household, a particularly common vector for COVID-19. Typically a temperature is not considered a medically significant fever until it reaches 100.4F. However, this value is calibrated for population-wide clinical significance. It can not account for individualized average temperature and variation, which could provide earlier personalized indication of temperature being abnormal. Nor was it designed to be an early indicator of infection. If symptoms of COVID-19 were detectable earlier, individuals could more effectively isolate at an earlier point in time, reducing the likelihood of transmission.
The red line indicates the upper bound of your personalized normal temperature range, according to the data you previously entered. Technically, it is the upper-bound of the 90% confidence interval of three standard deviations from your mean reported temperature. We only include recordings marked as "healthy" in the calculation, as the red line is intended to represent your healthy range. If your temperature is over the red line, you should consider isolating yourself and monitoring your symptoms.
We only include a personalized upper bound once we have a minimal set of temperature readings. That means that your red line will show up after you have entered five readings.
 We recommend taking your temperature three times a day.
To get the best data, we suggest that, for each time you report your temperature, you take three readings and report the middle one. We also suggest you always use the same thermometer every time. It's best to record your temperature at least 30 minutes after sleeping, eating, drinking hot or cold beverages, or exercising. All of these practices will minimize random noise in your readings and make your data more informative.
Fever is one of the first symptoms of COVID-19, and early detection is key to protecting our families and communities.
Track your temperature daily to get personalized feedback on when your temperature is out of your normal range.
Use that information to do your part to protect your family and your community from the spread of COVID-19.
View our Privacy Policy


Covalent Flavored Markdown
Parse and render markdown code with a Material Design flavor
Render Material Design components from markdown language. Perfect for documentation or help sites.
Checkboxes and Lists
Actions and tasks
Demo
## Checkboxes
- [x] My checkbox
- [x] My second checkbox
- [ ] My empty checkbox
## List
+ One
+ subline
+ Two
+ Three
+ subline
+ second subline
Code
## Checkboxes
- [x] My checkbox
- [x] My second checkbox
- [ ] My empty checkbox
## List
+ One
+ subline
+ Two
+ Three
+ subline
+ second subline
]]>
Inline Code & Snippets
Code blocks
Demo
Code
## Inline
Inline piece of code `var obj: Type = bla;`
## Snippet
```typescript
@Component({
selector: 'demo',
styleUrls: ['./demo.component.scss'],
templateUrl: './demo.component.html',
})
export class DemoComponent {
property: Type;
}
```
]]>
Tables
render tabular data
Demo
| Tables | Are | Cool |
|----------|--------------:|------:|
| col 1 is | left-aligned | $1600 |
| col 2 is | right-aligned | $12 |
| col 3 is | right-aligned | $1 |
Code
| Tables | Are | Cool |
|----------|--------------:|------:|
| col 1 is | left-aligned | $1600 |
| col 2 is | right-aligned | $12 |
| col 3 is | right-aligned | $1 |
]]>
Flavored markdown loader
Fetches markdown from a GitHub url and renders it
Demo
Code
]]>


| About Dailyrotten |
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Make Dailyrotten your start page
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January 14, 2003
The pigs shot pigs
Ottawa Citizen | Submitted by: Crazy Quagga
"Testing new "less lethal" (C'mon--it kills you or it don't) methods of crowd control, the RCMP shot sock round ammo at both live and dead pigs to prepare for future antiglobalization rallies, according to files released by Canada's version of the FIOA. "The live pig, which was fired on twice, merely shook his leg after being shot in the thigh and 'didn't even squeal,' the study says."
|
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Read article...
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Public liposuction to show health-care sucks
Tiscali World Online | Submitted by: sucker
"A plastic surgeon has vowed to carry out liposuctions on the streets of Berlin as part of a rally demanding health care reforms in Germany... Patients will be treated on a first come, first served basis, said the chief physician at Martin Luther Hospital in Berlin."
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Read article...
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Don't mess with the Malaysians
BBC | Submitted by: laifer69
"Wildlife authorities in the northern Malaysian state of Kedah are searching for a man who is reported to have gone missing with his family and his pet tiger... However, a neighbour later said that Haji Zaitun had disappeared with his family and the tiger, after learning that the authorities wanted to speak to him."
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Read article...
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Muslim rappers rock the house
The Commercial Appeal | Submitted by: Poots Brownhole
"The group uses only percussion and voices, since some Muslims believe using wind and stringed instruments violates religious teaching. Given the self-imposed limitations, the trio's music is surprisingly rich, with layers of tonal beats driven by electronic rhythms and multitiered vocal tracks... [The group] charges $600 per show and won't perform with mixed dancing or alcohol since both are forbidden under Islam."
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Read article...
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Oregon city to outlaw defecating on buses
WCCO-TV 4 Minneapolis | Submitted by: TAZZY8JAZZY
"Proposed new city rules would ban spitting, defecating, smoking, skateboarding, and stinking on city buses... He noted that the city already has an ordinance prohibiting people from releasing "highly objectionable odors" from their property." Presumably including their pants.
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Read article...
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Albino 300 pounder raped 13 year old girl
New York Post | Submitted by: I.P. TeAitchsee
"A 300-pound albino man from The Bronx is being charged with statutory rape after allegedly seducing a 13 year old New Jersey girl with promises of stardom, according to police... The suspect, identified as Michael Caraballo, 20, of Tremont, apparently met the girl on a telephone "chat line" and gained her trust by telling her he would help her become an actress."
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Read article...
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Bondage couple charged with using banana
Stuff NZ | Submitted by: Bob
"The court was told that the assault charge originally referred to a leather strap as a weapon but was amended specifying the cake of soap and banana... The amendment prompted Justice of the Peace Barrie Evans to remark that a banana was not much of a weapon... Details of the case revealed the banana was squashed into the assault victim's face during a bondage session. The cake of soap was forced into his mouth."
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Read article...
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Minicows make good pets, also tasty
Los Angeles Daily News | Submitted by: hellbent
"They're smaller and don't intimidate as much, so you can spend more time with them, and they become more people-friendly," said Mark Audenino, manager of the Thousand Oaks ranch... And they're so cute, people just like to look out their window and see the cows." Despite their personalities, it's their edible attributes, their efficient feed-to- beef conversion and the resulting succulent, low-fat meat, that is fueling the growing minicow industry."
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Killing the messenger
Minneapolis Star Tribune | Submitted by: Bammer
"A Jordanian couple who kept up a secret relationship by using a dog to carry their love letters were revealed when the woman's brother discovered one of the notes, sparking an argument in which the pet was killed. The tale had a bittersweet ending, a friend of the couple reported today: The woman's father agreed to let the couple marry. The proposal came in the last letter delivered by the man's 3-year-old German shepherd, Big Joe."
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Doctor to build another suicide machine in US
CNN | Submitted by: Dookee
"Dr. Philip Nitschke said that Australian customs agents in Sydney seized his COGen machine Thursday. He had planned to unveil the device, which lets people kill themselves with carbon monoxide, before a national meeting of the Hemlock Society in San Diego."
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Teen burns bird, puts torture pictures on Internet
WKMG-TV 6 Orlando | Submitted by: Rio
"A Long Island teenager who set his family's parakeet on fire during a New Year's Eve bash and posted photographs of the torture on the Internet has been arrested, police said. Guider threw the party while his parents were away, Suffolk County police Sgt. Edward Aki said. After one of Guider's friends came up with the idea of torching the parakeet, Aki said, Guider coated the bird with hair spray and set it on fire, killing it. Photographs of the bird being burned and a laughing Guider holding its charred body were later posted on a Web site."
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Police: Woman assaulted self
The Province | Submitted by: f00f
"After an eight-month investigation, police informed Weber they had concluded her injuries, which included broken cheekbones under both eyes [article includes photos], came as the result of an act of auto-erotic asphyxiation gone wrong... "I didn't even know what auto-eroticism was. I had to have someone explain it to me," says Weber. "If they say I lied purposely to hide this and, according to them, they spent countless money and resources to solve it, then why aren't they showing me a bill? Why aren't they charging me with lying to them? It's ridiculous."
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Read article...
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Singles to blame for environmental meltdown
News Corporation | Submitted by: Dirty Sammy
"Small households use much more energy per head than larger ones and create more waste, making their ecological footprint worse. A one-person flat and a four-person house, for example, will typically each have one refrigerator, at considerable cost to energy efficiency and greenhouse gas emissions." Big fat duh.
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Murdered web designer buried
St. Petersburg Times | Submitted by: Glusker
"Holding red carnations and brushing away tears, a mixed crowd of academics, Internet specialists and visitors to Vladimir Sukhomlin's military Web sites stood in silence Monday morning at Moscow State University's Department of Computing Mathematics and Cybernetics to pay tribute to its recent graduate and youngest teacher, who investigators say was beaten to death by two police officers hired for the job."
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Read article...
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Busybodies upset by art depicting baby in a toilet
Canadian Press | Submitted by: Gorg
"The art goes against everything I try to teach my child--not to hurt himself or others," said Maureen Finstad. Her four-year-old son Michael attends Muse Time, a preschool run by Red Deer College in a room at the Red Deer and District Museum. Just down the hall, the museum is exhibiting surreal works of art depicting a baby in a toilet and children spurting blood from their bodies."
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Read article...
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What the world needs now...
News Corporation | Submitted by: Dirty Sammy
...is a AU$3M tennis racket: "Scientists from the Australian National University today unveiled a new method of producing microscopic carbon tubes, set to be used in a new generation of tennis racquets... The carbon nanotubes are 10 times stronger than carbon fibre but until now have been difficult to produce in bulk quantities; a carbon nanotube tennis racquet would cost about $3 million."
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Read article...
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Tard given the green light
BBC | Submitted by: Brian Webb
"Instead of a model, the firm installed the real thing in Benjamin's back garden - complete with a remote control box for him to use... The youngster, from Melksham, Wiltshire, now happily spends hours controlling his very own lights... She said: "I kept asking him what he wanted and all he said the whole time was 'traffic lights'"
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Read article...
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Remember what colour traffic light means stop?
Sydney Morning Herald | Submitted by: Deevo
"Carol Snellgrove, a clinical psychologist at Repatriation General Hospital and co-author of the survey, said research suggested there were at least 40,000 Australians with dementia who held driving licences."
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Read article...
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Blind man built bomb via braille
News Corporation | Submitted by: anonymous
"A blind man accused of lighting a device in his Sydney flat which contained enough hazardous material to blow up his entire block has appeared in court... At his last appearance, prosecutor Craig Murray told the court if products located in the Redfern unit in Sydney's inner-west had been mixed correctly, they could have blown up the entire nine-unit housing department complex."
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Read article...
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Nutcase pedophile author dies in jail
Monterey Herald | Submitted by: Trep
Mike Echols, author of "I know my first name is Steven", about the abduction Steven Stayner (brother Yosemite killer Cary Stayner), died in prison after being arrested for exposing himself on a city transit bus. He is survived by the other character in his book and fellow Rotten star Kenneth Parnell, who was recently arrested for trying to buy a boy. Echols was known to attend NAMBLA meetings, supposedly for "research purposes".
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Read article...
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High court strikes at sex law
Atlanta Journal-Constitution | Submitted by: jonsl
"Since 1833, it has been a crime in Georgia for unmarried people to engage in sex... [he] was 16 when he was found having sex with his girlfriend in September 2001 at her Fayette County home.
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Read article...
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Rattlesnake pizza at Suwanee
Atlanta Journal-Constitution | Submitted by: jonsl
"PieWorks, which opened Nov. 22, offers alligator, buffalo sausage, ostrich, rattlesnake sausage and Spam among its 163 toppings. Not to mention jelly beans, blueberries, scrambled eggs and hot dogs... They have toppings that I never could imagine, like jelly beans... Spam is the least-requested topping, Gates said."
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This thesis would not have been possible without the help, support and patience of my principal supervisors, Prof.Â William Spataro and Donato D’Ambrosio.
The good advices and support of Dr. Giuseppe Filippone have been invaluable on both academic and personal level, for which I am extremely grateful.
I would like to acknowledge the technical and academic support of the Prof. Davide Marocco from Plymouth University, particularly for providing all the necessary hardware for this research and for enabling me to take part to this great experience in United Kingdom.
The Università della Calabria for sponsoring me with a Erasmus Placement studentship.
All the researcher in the School of Computing and Mathematics of the Plymouth University, particularly those who work in the Centre for Robotics and Neural Systems (CRNS) for promoting a stimulating and welcoming academic and social environment will stand as an example to those that succeed them.
I must also acknowledge Dr. Valerio Biscione from University of Plymouth for his suggestions, motivation and encouragement.


Preparation time
30 mins to 1 hour
Cooking time
10 to 30 mins
Serves
Makes 25
Dietary
Make your life easier this Christmas and try this quick and delicious recipe - a great alternative to mince pies.
Blend the mincemeat, clementine zest and juice in a food processor to a smooth paste.
Put the puff pastry on a well-floured surface with the short side towards you. Roll the pastry a little thinner and cut it in half widthways. Brush each piece of pastry with melted butter and sprinkle over the icing sugar. Spread the mincemeat paste over the puff pastry.
With the shortest end facing you, roll both long edges of one piece of pastry towards the centre. Brush a little beaten egg down the centre to stick the two halves together. Repeat with the remaining piece of pastry.
Carefully lift the rolls onto a baking tray and leave to chill in the fridge for 30 minutes.
Preheat the oven to 200C/400F/Gas 6.
Remove the roll from the fridge and, using a very sharp knife, slice it into 1cm/½in thick pieces. Lay each slice on the baking tray, cut-side up, and brush well with the beaten egg and a further dusting of icing sugar, then bake in the oven for 15 - 20 minutes, or until puffed up, crisp and golden-brown.
Remove the palmiers from the oven and leave to cool on the baking tray. Dust with more icing sugar before serving.


2019
- New Job
- vim and tmux
- Job summary
- Note of Rabbitmq basic
- Thread basic
- A brief intraduction to Plantuml
- generate a random number
- My tmux config
- Save Chinese characters in csv files with Python3
- My tour of golang
- dbext an awesome database client
- Vim delete swp&swo file
- Nodejs Async Await
- Magic Regrex In Vimscript
- Nodejs Promise
- My nodejs note
- vimscript regex
- Execute & normal in Vimscript
- Vimscript begin
- Some note about vimrc
- A devops flow
- Some Vim skills
- Dependence and Data Provider in PHPUnit
- The new git branch model(add G1)
- PHP unit test demo
- A git branch model
- Vim command mode--Ex(1)
- Sequence diagrams in Mermaid
- some picture of mermaid
- use jekyll to generate github pages
- Previm -- a vim plugin preview the markdown file
- A breif introduction to Mermiad


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