The Pauli Vector and Lie Groups - Part 2
Introduction
Last week I discussed some of the basic properties of the Pauli matrices and the Pauli vector. At the end of the post, I derived a simple expression for the matrix exponential of the Pauli vector. This week I am going to explore Lie groups and show how the Pauli vector relates to the SU(2) group.
A Refresher on Finite Groups
Let’s start off with a bit of group theory. A group is a set of elements along with a composition rule that satisfies a set of four group axioms. These four axioms are closure, associativity, the existence of an identity, and the existence of an inverse for each group element.
For example, we can analyze the set of transformations of an equilateral triangle that preserve its shape. The set of elements that preserve the shape of an equilateral triangle are rotations by 0, \(2\pi/3\), and \(4\pi/3\) rad. If I combine these three elements with a composition rule (in this case apply one rotation, then apply the second) this forms a group.
This is an example of a finite group because there are a finite number of elements in the group. Most upper level undergraduate students and lower level graduate students in mathematics and physics have seen finite groups at some point along their study (even if they do not recognize them at face value). I am going to assume that the reader has a working knowledge of finite groups for the remainder of this post.
Continuous Groups and Lie Groups
If every group in the world had a finite number of elements, then it would be relatively straightforward to classify groups using character tables and Cayley tables. However, there are groups that have an infinite number of elements (for example, the rotations of a sphere about its center). We need a more sophisticated way of analyzing these continuous groups.
Consider a set of group elements \(R\) that depend on some number of real, continuous parameters \(R(a) \equiv R(a_1, a_2, ..., a_n)\). For example, in the case of rotating a sphere, these parameters might be angles \(\theta\) and \(\phi\) in spherical coordinates. The elements \(R\) form a continuous group G if they satisfy the four group axioms:
-
Closure - If \(R(a) \in G\) and \(R(b) \in G\), then \(R(a) \circ R(b) \in G\)
-
Associativity - If \(R(a)\), \(R(b)\), \(R(c)\) \(\in G\), then \([R(a) \circ R(b)] \circ R(c) = R(a) \circ [R(b) \circ R(c)]\)
-
Identity - If \(R(a) \in G\), then there exists an element e such that \(e \circ R(a) = R(a) \circ e = R(a)\)
-
Inverse - If \(R(a) \in G\), then there exists an element S such that \(S \circ R(a) = R(a) \circ S = e\)
Since we cannot possibly determine the relationship between all of the infinitely many R’s directly using a Cayley table, we instead analyze the relationships of the parameters of each group element. For example, in the expression:
\[\begin{equation} R(c) = R(a)R(b) \end{equation}\]we note that c should be a real continuous function of a and b in order for the elements \(R(x)\) to form a continuous group:
\[\begin{equation} c = f(a,b) \end{equation}\]If \(f(a,b)\) is an analytic function (i.e. the Taylor series of \(f\) converges), then we call the resulting group a Lie Group. In other words, if the elements of the group \(R(a)\) are differentiable with respect to the parameters \(\{a_1, a_2, ..., a_n\}\), then \(R(a)\) is a Lie group.
Infinitesimal Generators
Suppose each element of our group can be written as a linear operator (i.e. an \(n \times n\) matrix). More than that, suppose that the group elements obey the following rule:
\[\begin{equation} R(\theta_1) R(\theta_2) = R(\theta_1 + \theta_2) \end{equation}\]This is similar to the relationship that one would expect when considering rotations about some axis. Let’s take a derivative of the above expression with respect to \(\theta_1\):
\[\begin{align} \frac{d}{d\theta_1} \left [ R(\theta_1) R(\theta_2) \right ] &= \frac{dR(\theta_1 + \theta_2)}{d\theta_1} \\[0.1cm] \frac{dR(\theta_1)}{d\theta_1} R(\theta_2) &= \frac{dR(\theta_1 + \theta_2)}{d(\theta_1 + \theta_2)}\frac{d(\theta_1 + \theta_2)}{d\theta_1} \\[0.1cm] \frac{dR(\theta_1)}{d\theta_1} R(\theta_2) &= \frac{dR(\theta_1 + \theta_2)}{d(\theta_1 + \theta_2)} \\[0.1cm] \end{align}\]Taking the limit as \(\theta_1 \rightarrow 0\) and renaming variables yields:
\[\begin{align} \frac{dR(\theta_1)}{d\theta_1}\bigg|_{\theta_1 = 0} R(\theta_2) &= \frac{dR(\theta_2)}{d\theta_2} \\[0.1cm] \frac{dR(\theta_1)}{d\theta_1}\bigg|_{\theta_1 = 0} R(\theta) &= \frac{dR(\theta)}{d\theta} \\[0.1cm] X R(\theta) &= \frac{dR(\theta)}{d\theta} \\[0.1cm] \end{align}\]where
\[\begin{equation} X \equiv \frac{dR}{d\theta_1} \bigg|_{\theta_1 = 0} \end{equation}\]We see that if \(R = e^{\theta X}\), then it satisfies the expression above. We say that \(R\) is the Lie group that is generated by the Lie algebra \(X\) (or the operator \(X\) generates the Lie algebra \(R\)). Since \(R\) has this exponential form, we can determine the expression for higher powers of \(X\). Taking n derivatives of the differential equation above yields:
\[\begin{align} \frac{d^n}{d\theta^n} \left [ X R(\theta) \right ] &= \frac{d^n}{d\theta^n} \left [ \frac{dR(\theta)}{d\theta} \right ] \\[0.1cm] X \frac{d^n R(\theta)}{d\theta^n} &= \frac{d^{n+1}R(\theta)}{d\theta^{n+1}} \end{align}\]If we once again take the limit as \(\theta \rightarrow 0\) and pick test values for n:
\[\begin{align} X \frac{d^n R(\theta)}{d\theta^n}\bigg|_{\theta = 0} &= \frac{d^{n+1}R(\theta)}{d\theta^{n+1}}\bigg|_{\theta = 0} \end{align}\]n = 0:
\[\begin{align} X &= \frac{dR(\theta)}{d\theta}\bigg|_{\theta = 0} \end{align}\]n = 1:
\[\begin{align} X \frac{d R(\theta)}{d\theta}\bigg|_{\theta = 0} &= \frac{d^2R(\theta)}{d\theta^2}\bigg|_{\theta = 0} \\[0.1cm] X^2 &= \frac{d^2R(\theta)}{d\theta^2}\bigg|_{\theta = 0} \\[0.1cm] \end{align}\]general n:
\[\begin{align} X \frac{d^n R(\theta)}{d\theta^n}\bigg|_{\theta = 0} &= \frac{d^{n+1}R(\theta)}{d\theta^{n+1}}\bigg|_{\theta = 0} \\[0.1cm] X^n &= \frac{d^nR(\theta)}{d\theta^n}\bigg|_{\theta = 0} \\[0.1cm] \end{align}\]That is pretty cool! Writing out the final Taylor series expression for our matrix R gives:
\[\begin{align} R(\theta) &= R(0) + \frac{dR(\theta)}{d\theta}\bigg|_{\theta = 0} \theta + \frac{1}{2!} \frac{d^2R(\theta)}{d\theta^2}\bigg|_{\theta = 0} \theta^2 + ... \\[0.1cm] &= I + \theta X + \frac{1}{2!} \theta^2 X^2 + ... \\[0.1cm] &= \sum_{n=0}^\infty \frac{(\theta X)^n}{n!} \\[0.1cm] &= e^{\theta X} \\[0.1cm] \end{align}\]Similar to last week (taking the matrix exponential), this simplifies to:
\[\begin{equation} R(\theta) = e^{\theta X} = Icos(\theta) + Xsin(\theta) \end{equation}\]The Pauli Vector and SU(2)
Above, we stated that a Lie group is related to a Lie algebra by a matrix exponential. Let’s look at a specific Lie group SU(2). SU(2) is the group of \(2 \times 2\) matrices with complex elements that have a determinant of \(+1\). Each group element of SU(2) has the form:
\[\begin{equation} R = \begin{bmatrix} \alpha & \beta \\[0.1cm] -\beta^* & \alpha^* \end{bmatrix} \end{equation}\]Let \(\alpha = a + bi\) and \(\beta = c + di\). We can then rewrite the SU(2) matrix as:
\[\begin{equation} R = \begin{bmatrix} a + bi & c + di \\[0.1cm] -c + di & a - bi \end{bmatrix} \\[0.1cm] \end{equation}\]with the condition that \(det(R) = a^2 + b^2 + c^2 + d^2 = 1\). But just looking at the terms in \(R\), we can rewrite the expression using the Pauli matrices:
\[\begin{align} R &= a I + di \sigma_x + ci \sigma_y + bi \sigma_z \\[0.1cm] &= a I + i( d \sigma_x + c \sigma_y + b \sigma_z) \end{align}\]With no loss of generality, let \(a = cos\theta\) and \(\sqrt{b^2 + c^2 + d^2} = sin\theta\). Then:
\[\begin{align} R &= I cos\theta + i \left ( \frac{d}{sin\theta} \sigma_x + \frac{c}{sin\theta} \sigma_y + \frac{b}{sin\theta} \sigma_z \right ) sin\theta \\[0.1cm] &= I cos\theta + i \left ( \frac{d}{\sqrt{b^2 + c^2 + d^2}} \sigma_x + \frac{c}{\sqrt{b^2 + c^2 + d^2}} \sigma_y + \frac{b}{\sqrt{b^2 + c^2 + d^2}} \sigma_z \right ) sin\theta \\[0.1cm] \end{align}\]And here we notice something really interesting…
If we call the expression in paranthesis \(\hat{n} \cdot \vec{\sigma}\), then we get the exact same matrix exponenetial from last week!
\[\begin{equation} R = e^{i\theta(\hat{n}\cdot \vec{\sigma})} = Icos(\theta) + i(\hat{n} \cdot \vec{\sigma}) sin(\theta) \end{equation}\]We have identified the Lie algebra \(X\) for SU(2)! If we let \(X = i(\hat{n} \cdot \vec{\sigma})\), then we see that the inner product of the Pauli vector and a unit vector multiplied by the constant i generates the SU(2) group. In other words, the three Pauli matrices times the constant i form the Lie algebra for SU(2).


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To traverse an arbitrary graph use right-click for showing node ancestors and left-click for showing node dependencies. You can use the same actions to hide dependencies and ancestors as well.
Consider the ability to simply specify the binding name
in the input field - if the graph contains such a node, it will be drawn on the plane.
The switch element allows you to control physics.
Use the clear button located in the lower
right corner to clear the canvas.


Bang Prefix:
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Only use custom bangs:


My dog Maru the toy poodle!
These are my dog Maru's favorite things.
People
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- His moms:
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These are Maru's favorite places, in order.
- The dog park
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Thanks for reading about my dog Maru.


Que onda, it's ya man, C-LOS! Age is just a mindset. Before this program started I was working as a medicinal herbal agriculturist. I would trim plants and compile packs of medicinal cannabis for patient use. I graduated from CNM with my degree in sociology and I didn't want to stop learning so I signed up for Deep Dive Coding!
I grew up listening to only 3 genres of music- classic country, new age contemporary, and jazz to name a few. Artists that come to mind are people like Willie Nelson, Enya(lol), and Miles Davis. To get into the point, I have a general appreciation for art in general. Below is a list of art topics that interest me:


--- layout: post title: What is a blend? date: 2010-02-27 08:41:45.000000000 -08:00 type: post parent_id: '0' published: true pd: '' status: publish categories: - Classroom Talk - Reading Instruction tags: - blends - phoonics - reading - teaching reading author: login: k email: k@k display_name: mcary first_name: '' last_name: '' ---
What is a "blend?" My son’s teacher says that he will learn to read faster if he knows them.
A consonant blend is two or more consecutive consonants in a word whose sounds blend together. Although the sounds "blend" together, each sound is still heard. These are examples of a blend: fry, dress, swim and string.
A consonant digraph is a group of consecutive consonants in a word which join to make one sound. These are examples of a digraph: when, where, thick, much and know.
If you search, consonant blend, on the internet, you can find easily printable picture charts of blends. Your son’s teacher is right, once children learn the sounds that blends make they do learn to read faster.


The Quantity object is the main Quantipy aggregation engine.
Consists of a link’s data matrix representation and sectional defintion of weight vector (wv), x-codes section (xsect) and y-codes section (ysect). The instance methods handle creation, retrieval and manipulation of the data input matrices and section definitions as well as the majority of statistical calculations.
Methods
Group codes into new categories.
Can produce multiple combinations at once, optionally calculating sums of or differences between them.
| Parameters: | group : list of int or list of dict mapping str: list of int
op : dict of str: (operator, [str, str])
op_only : bool, default False
margin : bool, default True
as_df : bool, default True
|
|---|---|
| Returns: | self
Note Code combinations are factoring in multi-coded data, i.e. a group built from a multiple choice question does not count the associated codes multiple times but one time when qualified for the group definiton. |
Method to produce a contigency tabulation of the distribution given in the Quantity instance. Result is a multiindexed pandas.DataFrame that mimics the output generated by the Pandas .pivot_table() method extended to match a classical MR cross-tabulation.
| Parameters: | show : {‘freq’, ‘cbase’, ‘ebase’, ‘rbase’} default ‘freq’
margin : bool, default True
as_df : bool, default True
|
|---|---|
| Returns: | self
|
Method to produce a numerical summary of the distribution given in the Quantity instance. Result is a multiindexed pandas.DataFrame that mimics the output generated by the Pandas .describe() method extended to match a classical MR cross-tabulation.
| Parameters: | show : {‘summary’, ‘mean’, ‘median’, ‘var’, ‘stddev’, ‘varcoeff’,
margin : bool, default True
as_df : bool, default True
|
|---|---|
| Returns: | self
|
Clean matrix from entries preserving or modifying the weight vector.
| Parameters: | codes : list
keep_codes : bool, default False
keep_base: bool, default=True
inplace : bool, default True
|
|---|---|
| Returns: | self or numpy.array
|
Convert a raw cell count result to its percentage representation.
| Parameters: | on : {‘col’, ‘row’}, default ‘col’
|
|---|---|
| Returns: | self
|
Modify the object’s xdef property reflecting new value defintions.
| Parameters: | scaling : dict
|
|---|---|
| Returns: | self |
Transform a numpy.array of an aggregation into its DataFrame version.
Will use the current numpy.array aggregation result found in the result property of the object instance and convert it to a Quantipy-styled pandas.DataFrame. The DataFrame representation of an aggregation is multiindexed following a Question-Values convention on both the index and column axis.
| Parameters: | row_val, col_val : str or list of str, optional
|
|---|---|
| Returns: | self
|
Multiplies 1-entries of the Q matrix with the weight vector.
The Quantipy Test object is a defined by a Link and the view name notation string of a counts or means view. All auxiliary figures needed to arrive at the test results are computed inside the instance of the object.
Methods
Compute the standard error (se) estimate of the tested metric.
The calculation of the se is defined by the parameters of the setup. The main difference is the handling of variances. unpooled implicitly assumes variance inhomogenity between the column pairing’s samples. pooled treats variances effectively as equal.
TODO: implement returning tstats only.
Returns the test statistic of the algorithm.
Performs the testing algorithm and creates an output pd.DataFrame.
The output is indexed according to Quantipy’s Questions->Values convention. Significant results between columns are presented as lists of integer y-axis codes where the column with the higher value is holding the codes of the columns with the lower values. NaN is indicating that a cell is not holding any sig. higher values compared to the others.
Sets the test algorithm parameters and defines the type of test.
This method sets the test’s global parameters and derives the necessary measures for the computation of the test statistic. The default values correspond to the SPSS Dimensions Column Tests algorithms that control for bias introduced by weighting and overlapping samples in the column pairs of multi-coded questions.
Note
The Dimensions implementation uses variance pooling.
| Parameters: | level : str or float, default=’mid’
mimic : str, default=’Dim’
testtype : str, default=’pooled’
use_ebase : bool, default=True
ovlp_correc : bool, default=True
cwi_filter : bool, default=False
|
|---|---|
| Returns: | self |


JSON (JavaScript Object Notation) is an open source, language independent, human readable, lightweight data-interchange format.
It is most commonly used for asynchronous communication between browser and server through ajax and when an application need to
communicate with a remote computer or server through Restful API. This data format is very similar to JavaScript object,
It comprise of three different type of structures, first is a name/value pairs which can be called as a property or element,
second is a ordered list of values which is called an array and finally, third is a structure which can contain element
or array or both in it and it is called an object. It is a main structure which can contain other object as well.
To validate these documents, you can use JSON-Schema.
Json Online Editor / Json Viewer :-
Json online editor is a web-based tool, designed to create, edit, view, format, and save json online.
This tool has multiple features which will help you to create them easily. A list of all its features and
functionality are as follows :-
Drag & Drop :-
You can create a them from scratch by using drag and drop feature. To use drag & drop feature, drag a node and drop it on any node,
dragged one will be added to the drop one, if it passes the below mentioned rules :-
- Elements can only come inside an object.
- Array can only come inside an object.
- Object can come inside an object or an array.
Once the drag node is added to the drop one, json online editor / json viewer tool will open a popup based on the dragged node type,
element popup for element type, array popup for array type and so on, fill all the mandatory fields in the popup and click
Set button to finish.
Tree View :-
This view will show your work in a tree structure, you can also expand this, by clicking expand image button on the right hand side
of tree view bar.
Text View :-
This view is like a code editor, it will show your work in the text format, you can also expand this, by clicking
expand image button on the right hand side of the text bar.
Download :-
You can download your existing work, which you have created using json online editor / json viewer tool. To use this functionality,
click download button on the top bar, this will download a file onto your disk.
Load :-
You can load any of your work into the tool by using load feature. To use this, first copy and paste your existing work
into the text view and click load image button on the text bar.
New :-
This functionality will enable you to remove your existing work from the json online editor / json viewer tool,
So that you can start from the scratch.
Copy & Paste :-
You can copy and paste any node into another based on three rules mentioned above in Drag & Drop section.
To use Copy & Paste functionality, first select a node which you like to copy, then click the copy and paste icon on tree bar and finally
select the node inside which you like to copy your previous selection. This will copy your previously selected one inside new one.
This Copy & Paste functionality is very useful, when you want add a new property, which is similar to one of the existing property.
Delete :-
You can delete any node from json online editor / json viewer. To use this delete functionality, first select the node which you like to delete,
then click the delete icon on the right side of the bar, once you click the delete icon an confirm dialog will be displayed,
asking your confirmation for delete. Confirm dialog will contain two buttons Ok and Cancel,
click OK to delete or click Cancel to leave it.
Save Online :-
You can save and share your work by using this functionality. To use this functionality, click the save online button on the top bar.
This will save your work on the server and will give you a url with unique id, url can be used to view and edit your saved work and to share
your work with your colleagues.


|
SGCoreCpp
v1.2.1
SenseGlove C++ API
|
A rotation in 3D space that can be applied to a 3D vector or converted into Euler Angles. More...
#include <Quat.h>
Public Member Functions | |
| Quat () | |
| Create a new Quaternion rotation of 0, 0, 0, 1. More... | |
| Quat (float X, float Y, float Z, float W) | |
| Create a new Quaternion rotation. More... | |
| ~Quat () | |
| Default Destructor. More... | |
| std::string | ToString () |
| Create a string representation of the Quaternion rotation. More... | |
| Vect3D | ToEuler () |
| Retrieve this Quaternion's euler angle notation. More... | |
| Vect3D | Rotate (Vect3D myVect) |
| Rotate myVect by this quaternion rotation. More... | |
| bool | Equals (Quat that) |
| Check if two quaternions have equal values. More... | |
| bool | IsIdentity () |
| float | Magnitude () |
| Returns the magnitude of this Quaternion. Used in normalization. More... | |
| std::string | Serialize (const char delim=',') |
| Quat | operator* (const Quat &that) |
| Add two quaternions together Using a Hamilton product. NOTE: Q2 is applies first, followed by Q1, as per muliplication order of quaternions! More... | |
| Vect3D | operator* (const Vect3D &that) |
Static Public Member Functions | |
| static Quat | FromEuler (float xAngle, float yAngle, float zAngle) |
| Create a new Quaternion Rotation from its euler angle representation. More... | |
| static Quat | FromEuler (Vect3D euler) |
| summary> Create a new Quaternion Rotation from an angle-axis representation. More... | |
| static Quat | FromAngleAxis (float angle, float axisX, float axisY, float axisZ) |
| summary> Create a new Quaternion Rotation from an angle-axis representation. More... | |
| static Quat | FromAngleAxis (float angle, Vect3D axis) |
| static Quat | Invert (Quat q) |
| Returns the inverse if q (a.k.a. a rotation in the other direction) More... | |
| static Quat | Normalize (Quat q) |
| Normalizes a quaternion to have a lenght of 1. More... | |
| static bool | Deserialize (std::string str, Quat &result, const char delim=',') |
| Parse a Quaternion from a string. More... | |
Public Attributes | |
| float | x |
| Quaternion element. Not directly related to a rotation or position. More... | |
| float | y |
| float | z |
| float | w |
Static Public Attributes | |
| static const Quat | identity = Quat(0, 0, 0, 1) |
| Represents 'no rotation' in quaternion space. More... | |
A rotation in 3D space that can be applied to a 3D vector or converted into Euler Angles.
| SGCore::Kinematics::Quat::Quat | ( | ) |
Create a new Quaternion rotation of 0, 0, 0, 1.
| SGCore::Kinematics::Quat::Quat | ( | float | X, |
| float | Y, | ||
| float | Z, | ||
| float | W | ||
| ) |
Create a new Quaternion rotation.
|
inline |
Default Destructor.
|
static |
Parse a Quaternion from a string.
| bool SGCore::Kinematics::Quat::Equals | ( | Quat | that | ) |
Check if two quaternions have equal values.
summary> Check if this Quaternion is the identity quaternion (meaning it does not rotate anything.)
|
static |
summary> Create a new Quaternion Rotation from an angle-axis representation.
|
static |
Create a new Quaternion Rotation from its euler angle representation.
summary> Create a new Quaternion Rotation from its euler angle representation.
summary> Create a new Quaternion Rotation from an angle-axis representation.
Returns the inverse if q (a.k.a. a rotation in the other direction)
| bool SGCore::Kinematics::Quat::IsIdentity | ( | ) |
| float SGCore::Kinematics::Quat::Magnitude | ( | ) |
Returns the magnitude of this Quaternion. Used in normalization.
summary> Returns the inverse of q (a.k.a. a rotation in the other direction)
Normalizes a quaternion to have a lenght of 1.
Add two quaternions together Using a Hamilton product. NOTE: Q2 is applies first, followed by Q1, as per muliplication order of quaternions!
A rotation by Q1 followed by one of Q2 requires to operation Q2*Q1, using the Hamilton Multiplication. https://en.wikipedia.org/wiki/Quaternion
| std::string SGCore::Kinematics::Quat::Serialize | ( | const char | delim = ',' | ) |
| Vect3D SGCore::Kinematics::Quat::ToEuler | ( | ) |
Retrieve this Quaternion's euler angle notation.
| std::string SGCore::Kinematics::Quat::ToString | ( | ) |
Create a string representation of the Quaternion rotation.
Represents 'no rotation' in quaternion space.
Quaternion representing no rotation (0, 0, 0, 1)
| float SGCore::Kinematics::Quat::w |
| float SGCore::Kinematics::Quat::x |
Quaternion element. Not directly related to a rotation or position.
| float SGCore::Kinematics::Quat::y |
| float SGCore::Kinematics::Quat::z |


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source
code documentation
ah.h File Reference
Detailed Description
Header of IP Authentication Header (AH).
- Author:
- Christian Scheurer <http://www.christianscheurer.ch>
This document is part of embedded IPsec
Copyright (c) 2003 Niklaus Schild and Christian Scheurer, HTI Biel/Bienne
All rights reserved.
This file contains code from the OpenSSL Project
portions Copyright (c) 1998-2003 OpenSSL (www.openssl.org)
Definition in file ah.h.
#include "ipsec/sa.h"
#include "ipsec/util.h"
Go to the source code of this file.
Define Documentation
| #define IPSEC_AH_HDR_SIZE (12)
|
|
|
|
AH header size without ICV
Definition at line 50 of file ah.h. |
Typedef Documentation
Function Documentation
Variable Documentation
|
|
save session state to detect replays - must be 32 bits. Note: must be initialized with zero (0x00000000) when a new SA is established!
Definition at line 64 of file ah.h. |
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save session state to detect replays Note: must be initialized with zero (0x00000000) when a new SA is established!
Definition at line 65 of file ah.h. |
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917-593-2737
<EMAIL_ADDRESS>dcart development & designs
Welcome to my portofolio site my name is David Carter.


There may have been a problem verifying your identity
Because your date of birth is not correct, there may have been a problem verifying your identity.
Please contact the council to continue with your application.
Because your date of birth is not correct, there may have been a problem verifying your identity.
Please contact the council to continue with your application.


# Example presentation Some Julia code ```julia 1+2 ``` -- A fragment --- # Some equations Here is an inline fraction: $\frac{1}{2}$ And some identities in display mode: $$e^{i\pi} + 1 = 0$$ $$\sum_{n=0}^\infty \alpha^n = \frac{1}{1-\alpha}$$ --- # A plot ```julia using Plots plot(rand(10)) ``` ![](myplot.svg)


11 August 2013 - The National Health and Family Planning Commission, China notified WHO of a new laboratory-confirmed case of human infection with avian influenza A(H7N9) virus. This is the first new confirmed case of human infection with avian influenza A(H7N9) virus since 20 July 2013.
The patient is a 51-year-old woman from Huizhou, Guangdong Province. She became ill on 27 July 2013, was admitted to a local hospital on 28 July 2013 and transferred to a hospital in Huizhou City on 3 August 2013. She is currently in a critical condition.
Laboratory test conducted by Guangdong Provincial Centre for Disease Control on 9 August 2013 was positive for avian influenza A(H7N9) virus infection, and was confirmed by the Beijing Municipal Center for Disease Control (CDC) on 10 August 2013.
To date, WHO has been informed of a total of 135 laboratory-confirmed human cases with avian influenza A(H7N9) virus including 44 deaths. Currently, four cases are hospitalised and 87 have been discharged. There is no evidence of sustained human to human transmission.
The Chinese government continues to take strict monitoring, prevention and control measures, including: strengthening of epidemic surveillance and analysis; deployment of medical treatment; conducting public risk communication and information dissemination; strengthening international cooperation and exchanges; and is continuing to carry out scientific research.
WHO does not advise special screening at points of entry with regard to this event, nor does it currently recommend any travel or trade restrictions.


I am Aslamah Rahman. I am a recent Masters graduate from the University of Pennsylvania (May 2020), majoring in Mechanical Engineering with a specialization in Mechatronics and Robotic Systems. I obtained my B. Tech. from Indian Institute of Technology Madras in Metallurgical and Materials Engineering in July 2018
Throughout my higher education and career pursuits, I have had the opportunity to dabble in several different engineering disciplines and to explore and create opportunities at their intersection. Which is why when people ask me what do I do, I end up replying "everything engineering" which is an easier answer than saying "materials science - computational modeling - web application development - supply chain management - mechatronics - machine learning - product design - embedded programming and counting". This is a showcase of the concoction of projects I have pursued and absolutely loved being a part of. I believe that answers to the toughest problems out there already exists, and they live at the intersection of disciplines. This is what I hope to explore and achieve through my academics and career.
Find me on Linkedin and GitHub. You can also reach me at<EMAIL_ADDRESS>To know more about my journey in STEM, click on About Me!
Learnings: Reinforcement learning, Deep Learning, C++, Embedded software design, Memory management, Real-time operating systems, Real-time data processing
Learnings: Mechanical design & assembly, Design robustness, SolidWorks, Arduino IDE, ESP32, OpenCV, UART protocol, PCB design, Altium, Stepper motor, Servo motor, Control algorithm
Links:
Learnings: Machine learning, Random forests, Sci-kit learn, Python, Data-driven materials discovery, Nickel superalloys, Aviation materials


Instead of writing all the patterns as you use them, you can choose from a list of predefined patterns.
Life is what happens while you're busy making other plans.
Specifying patterns manually in each call can take quite some time, and make code somewhat convoluted. Furthermore, some patterns are used a lot, so they would be repeated across the code base.
Instead, the Patterns class offers a number of predefined patterns that can be used to save time.
To use one of these patterns, call its corresponding method, passing the required parameters if needed:
// Check whether a string contains a fairytale var isFairytale = Patterns.StartsWith("Once upon a time"); // Check the age of a person (inline) person.Age.Match(Patterns.IsGreaterThan(10), p => Console.WriteLine("Client does not qualify for discount."));
How to decide whether you need to explicitly write the generic parameters for a pattern.
In most cases, you don't need to specify the generic parameters for a pattern, because the compiler is able to infer them. That said, in some cases type inference is not possible.
The general rule is that if a pattern has at least a parameter of the same generic type as the matching object, type inference will work correctly.
In practice, refer to the compiler errors, or lack thereof, to determine whether a specific pattern requires type information.
It is our choices that show what we truly are.
These are the currently available patterns:
| Pattern name | Applied to | Description |
|---|---|---|
| IsNull<T>() | Any class or nullable struct object. | Matches if the target object is null. |
| IsEqualTo<T>(T target) | Any instance of IEquatable<T>. | Matches if the target object is equal to the parameter object. |
| IsHeldWithin<T>(IEnumerable<T> target) | Any object. | Matches if the target object is contained by the parameter collection. |
| IsGreaterThan<T>(T target) | Any instance of IComparable<T>. | Matches if the target object is greater than the parameter object. |
| IsGreaterOrEqual<T>(T target) | Any instance of IComparable<T>. | Matches if the target object is greater or equal than the parameter object. |
| IsLesserThan<T>(T target) | Any instance of IComparable<T>. | Matches if the target object is lesser than the parameter object. |
| IsLesserOrEqual<T>(T target) | Any instance of IComparable<T>. | Matches if the target object is lesser or equal than the parameter object. |
| IsWithinRange<T>(T lower, T upper) | Any instance of IComparable<T>. | Matches if the target object is between lower and upper (both inclusive). |
| IsTrue() | Any boolean. | Matches if the target boolean is true. |
| IsFalse() | Any boolean. | Matches if the target boolean is false. |
| IsEmpty() | Any string. | Matches if the target string is empty. |
| IsWhitespace() | Any string. | Matches if the target string contains only whitespace characters. |
| Contains(string target) | Any string. | Matches if the target string contains the parameter string. |
| IsLongerThan(int target) | Any string. | Matches if the target string is longer than the parameter length. |
| IsShorterThan(int target) | Any string. | Matches if the target string is shorter than the parameter length. |
| IsOfLength(int target) | Any string. | Matches if the target string has exactly the parameter length. |
| StartsWith(string target) | Any string. | Matches if the target string starts with the parameter string. |
| EndsWith(string target) | Any string. | Matches if the target string ends with the parameter string. |
| IsEmpty<T>() | Any instance of ICollection<T>. | Matches if the target collection is empty. |
| HasDuplicates<T>() | Any instance of ICollection<T>. | Matches if the target collection contains duplicated elements. |
| IsSubsetOf<T>(ICollection<T> target) | Any instance of ICollection<T>. | Matches if the target collection is a subset of the parameter collection (that is, all its elements are contained by the parameter collection). |
| IsSupersetOf<T>(ICollection<T> target) | Any instance of ICollection<T>. | Matches if the target collection is a superset of the parameter collection (that is, it contains all elements in the parameter collection). |
| IsSequenceEqual<T>(ICollection<T> target) | Any instance of ICollection<T>. | Matches if the target collection contains the same elements in the same order as the parameter collection. |
| ContainsAll<T>(ICollection<T> target) | Any instance of ICollection<T>. | Matches if the target collection contains the same elements as the parameter collection. |
| Contains<T>(T target) | Any instance of ICollection<T>. | Matches if the target collection contains the parameter object. |
| IsLongerThan<T>(int target) | Any instance of ICollection<T>. | Matches if the target collection is longer than the parameter length. |
| IsShorterThan<T>(int target) | Any instance of ICollection<T>. | Matches if the target collection is shorter than the parameter lenght. |
| IsOfLength<T>(int target) | Any instance of ICollection<T>. | Matches if the target collection has exactly the parameter length. |
| IsBefore(DateTime target) | Any instance of DateTime. | Matches if the target DateTime is set before the parameter DateTime. |
| IsAfter(DateTime target) | Any instance of DateTime. | Matches if the target DateTime is set after the parameter DateTime. |
You have learnt how to use the predefined patterns to save time and effort.


Author: Serge Pagop, Andy Taylor, Jeff Mesnil
Level: Intermediate
Technologies: JMS, EJB, MDB
Summary: The helloworld-mdb-propertysubstitution
quickstart demonstrates the use of JMS and EJB MDB, enabling property substitution with annotations.
Target Product: JBoss EAP
Source: https://github.com/jboss-developer/jboss-eap-quickstarts/
The helloworld-mdb-propertysubstitution
quickstart demonstrates the use of JMS and EJB Message-Driven Bean in Red Hat JBoss Enterprise Application Platform.
It is based on the helloworld-mdb quickstart, but has been enhanced to enable property substitution using the @Resource
and @ActivationConfigProperty
annotations.
This project creates two JMS resources:
HELLOWORLDMDBQueue
bound in JNDI as java:/${property.helloworldmdb.queue}
HELLOWORLDMDBTopic
bound in JNDI as java:/${property.helloworldmdb.topic}
The application this project produces is designed to be run on Red Hat JBoss Enterprise Application Platform 7.1 or later.
All you need to build this project is Java 8.0 (Java SDK 1.8) or later and Maven 3.3.1 or later. See Configure Maven for JBoss EAP 7.1 to make sure you are configured correctly for testing the quickstarts.
In the following instructions, replace EAP7_HOME
with the actual path to your JBoss EAP installation. The installation path is described in detail here: Use of EAP7_HOME and JBOSS_HOME Variables.
You enable MDB property substitution by running JBoss CLI commands. For your convenience, this quickstart batches the commands into a enable-mdb-property-substitution.cli
script provided in the root directory of this quickstart.
EAP7_HOME/standalone/configuration/standalone-full.xml
For Linux: EAP7_HOME/bin/standalone.sh -c standalone-full.xml
For Windows: EAP7_HOME\bin\standalone.bat -c standalone-full.xml
enable-mdb-property-substitution.cli
script file in the root of this quickstart directory. This script first enables MDB annotation property substitution the ee
subsystem of the server configuration file by creating an annotation-property-replacement
property with a value of true
. It then defines the system properties that are used in the substitution.Open a new command prompt, navigate to the root directory of this quickstart, and run the following command, replacing EAP7_HOME with the path to your server:
For Linux: EAP7_HOME/bin/jboss-cli.sh --connect --file=enable-mdb-property-substitution.cli
For Windows: EAP7_HOME\bin\jboss-cli.bat --connect --file=enable-mdb-property-substitution.cli
You should see the following result when you run the script:
The batch executed successfully
After stopping the server, open the EAP7_HOME/standalone/configuration/standalone-full.xml
file and review the changes.
The <annotation-property-replacement>
attribute is set to true in the ee
subsystem :
<subsystem xmlns="urn:jboss:domain:ee:4.0">
...
<annotation-property-replacement>true</annotation-property-replacement>
...
</subsystem>
The following system properties are defined and appear after the <extensions>
:
<system-properties>
<property name="property.helloworldmdb.queue" value="java:/queue/HELLOWORLDMDBPropQueue"/>
<property name="property.helloworldmdb.topic" value="java:/topic/HELLOWORLDMDBPropTopic"/>
<property name="property.connection.factory" value="java:/ConnectionFactory"/>
</system-properties>
For Linux: EAP7_HOME/bin/standalone.sh -c standalone-full.xml
For Windows: EAP7_HOME\bin\standalone.bat -c standalone-full.xml
mvn clean install wildfly:deploy
This will deploy target/helloworld-mdb-propertysubstitution.war
to the running instance of the server. Look at the JBoss EAP console or Server log and you should see log messages corresponding to the deployment of the message-driven beans and the JMS destinations:
INFO [org.wildfly.extension.messaging-activemq] (MSC service thread 1-8) WFLYMSGAMQ0002: Bound messaging object to jndi name java:/${property.helloworldmdb.queue}
INFO [org.wildfly.extension.messaging-activemq] (MSC service thread 1-5) WFLYMSGAMQ0002: Bound messaging object to jndi name java:/${property.helloworldmdb.topic}
...
INFO [org.wildfly.extension.messaging-activemq] (ServerService Thread Pool -- 70) WFLYMSGAMQ0002: Bound messaging object to jndi name java:/queue/HELLOWORLDMDBPropQueue
INFO [org.apache.activemq.artemis.core.server] (ServerService Thread Pool -- 73) AMQ221003: trying to deploy queue jms.topic.HelloWorldMDBTopic
INFO [org.apache.activemq.artemis.core.server] (ServerService Thread Pool -- 72) AMQ221003: trying to deploy queue jms.topic.HELLOWORLDMDBTopic
INFO [org.wildfly.extension.messaging-activemq] (ServerService Thread Pool -- 72) WFLYMSGAMQ0002: Bound messaging object to jndi name java:/topic/HELLOWORLDMDBPropTopic
INFO [org.apache.activemq.artemis.core.server] (ServerService Thread Pool -- 71) AMQ221003: trying to deploy queue jms.queue.HelloWorldMDBQueue
INFO [org.jboss.as.ejb3] (MSC service thread 1-7) WFLYEJB0042: Started message driven bean 'HelloWorldQTopicMDB' with 'activemq-ra.rar' resource adapter
INFO [org.jboss.as.ejb3] (MSC service thread 1-6) WFLYEJB0042: Started message driven bean 'HelloWorldQueueMDB' with 'activemq-ra.rar' resource adapter
The application will be running at the following URL: http://localhost:8080/helloworld-mdb-propertysubstitution/ and will send some messages to the queue.
To send messages to the topic, use the following URL: http://localhost:8080/helloworld-mdb-propertysubstitution/HelloWorldMDBServletClient?topic
Look at the JBoss EAP console or Server log and you should see log messages like the following:
INFO [class org.jboss.as.quickstarts.mdb.HelloWorldQueueMDB] (Thread-9 (ActiveMQ-client-global-threads-1189700957)) Received Message from queue: This is message 5
INFO [class org.jboss.as.quickstarts.mdb.HelloWorldQueueMDB] (Thread-6 (ActiveMQ-client-global-threads-1189700957)) Received Message from queue: This is message 1
INFO [class org.jboss.as.quickstarts.mdb.HelloWorldQueueMDB] (Thread-7 (ActiveMQ-client-global-threads-1189700957)) Received Message from queue: This is message 4
INFO [class org.jboss.as.quickstarts.mdb.HelloWorldQueueMDB] (Thread-5 (ActiveMQ-client-global-threads-1189700957)) Received Message from queue: This is message 2
INFO [class org.jboss.as.quickstarts.mdb.HelloWorldQueueMDB] (Thread-4 (ActiveMQ-client-global-threads-1189700957)) Received Message from queue: This is message 3
mvn wildfly:undeploy
You can remove the server configuration by running the disable-mdb-property-substitution.cli
script provided in the root directory of this quickstart or by manually restoring the back-up copy the configuration file.
For Linux: EAP7_HOME/bin/standalone.sh -c standalone-full.xml
For Windows: EAP7_HOME\bin\standalone.bat -c standalone-full.xml
For Linux: EAP7_HOME/bin/jboss-cli.sh --connect --file=disable-mdb-property-substitution.cli
For Windows: EAP7_HOME\bin\jboss-cli.bat --connect --file=disable-mdb-property-substitution.cli
This script removes the system properties and sets the <annotation-property-replacement>
value to false
in the ee
subsystem of the server configuration. You should see the following result when you run the script:
The batch executed successfully
EAP7_HOME/standalone/configuration/standalone-full.xml
file with the back-up copy of the file.You can also start the server and deploy the quickstarts or run the Arquillian tests from Eclipse using JBoss tools. For general information about how to import a quickstart, add a JBoss EAP server, and build and deploy a quickstart, see Use JBoss Developer Studio or Eclipse to Run the Quickstarts.
standalone-full.xml
configuration file.If you want to debug the source code of any library in the project, run the following command to pull the source into your local repository. The IDE should then detect it.
mvn dependency:sources


Colorful
A color picker app built with React!
Yahtzee
Yahtzee is a game where you score points by rolling five dice to make certain combinations
myBurger
An app that let\'s you create a tasty burger, created with React and Firebase
SocialBells
A simple social media site developed completely with Vanilla PHP
Pig Dice
Pig is a simple dice game which you win by being the first player to score 100 or more points
Budgety
JavaScript app that helps you calculate your budget!
Natours
Landing page for a nature tours business built with Sass and HTML5
Nexter
Landing page for a real state business built with Sass and HTML5
uHost
User interface for a hosting business made with Sass and HTML5
Trillo
Landing page for a trip advisor app made with Sass and HTML5
Omnifood
User interface for a food delivery business made with Sass and HTML5


Name
Begin Date (M/d/yyyy)
Begin Balance
Organization
FID
Bank Id
Type
Please select ...
Credit Limit
Number
Eff Date (M/d/yyyy)


Singapore start-up Carousell's valuation just surged to S$1.1 billion, thanks to merger with 701Search, Business Insider - Business Insider Singapore
by Lamont Mark SmithOnline marketplace Carousell is now worth US$850 million (S$1.1 billion), after inking a deal with Norwegian telco Telenor Group that will see the Singapore brand merge with Telenor-owned classifieds firm 701Search.
Before the merger, Carousell had a valuation of US$560 million, The Straits Times (ST) reported.
Announced on Thursday (Nov 21), the part-cash and part-equity deal will result in Telenor becoming the single largest miniority shareholder in Carousell, owning 32 per cent of the merged company.
701Search, which owns and operates three online marketplaces – Mudah in Malaysia, Cho Tot in Vietnam, and OneKyat in Myanmar – will retain their individual names and continue operations, but will report to Carousell’s chief executive Quek Siu Rui from now.
In addition, 701Search’s regional hub team that operates in Singapore will be absorbed by Carousell.
Rakesh Malani, Carousell’s chief financial officer, said in a statement that the Singaporean start-up’s latest deal shows that it is “driving rapid consolidation in the region”.
The merger with 701Search will allow the 7-year-old firm to “fortify our leadership in South-east Asia as Mudah, Cho Tot, and OneKyat are already leaders in their markets”, added Quek.
Besides Telenor, Carousell has been backed by other investors such as OLX, Naspers, Rakuten Ventures, EDBI, Sequoia Capital, 500 Startups, Golden Gate Ventures and DBS.
Read Also:
- Singapore issues warning on 11 unsafe baby products – including baby carriers, cots and strollers sold online
- 70% of all e-commerce scams last year happened on Carousell – and it’s now rolling out even more measures to lower the fraud rate
- Carousell just raised S$113 million in Series C funding and it’s collaborating with DBS to sell financial products and services on its platforms


Indian Institute of Science
Aeroelasticity is the study of the interactions between the elastodynamics of aflexible lifting surface with the dynamics of the fluid flow over it. The issues that are of concern in this study include stability of the aeroelastic system, its static and dynamic response, and controlling these aeroelastic instabilities and response.
Prerequisites: Senior undergraduate level or graduate level course in vibration (preferably AE 264) and aerody-namics/fluid dynamics is necessary to credit this course.
Semesters Taught: Odd semesters
Course Information: Syllabus
Vibrations are ubiquitous in nature. They range from two-and-fro motion of the branches of a tree under the influence of winds to motion of the suspension of a motor vehicle.
Prerequisite: Calculus, basic mechanics, basics of linear algebra.
Semesters Taught: Even semesters.
The topics covered in this course would be drawn from the research activities conducted in the Aeroservoelasticity. Various numerical tools and frameworks pertaining to fluid-structure interactions would be discussed with special focus on the individual research interests of the course participants.
Prerequisite: Calculus, basic mechanics, basics of linear algebra.
Semesters Taught: Odd semesters


SOAP Support
Ang add-on na ito ay nag-iimport at nag-scan ng WSDL na mga file na naglalaman ng SOAP na mga endpoint.
It also supports the Automation Framework.
Importing
The add-on will automatically detect any SOAP definitions and spider them as long as they are in scope.
2 menu items are also added to the Import menu:
- Mag-import sa WSDL file mula sa lokal file na sistema
- Ang pag-import ng isang WSDL file mula sa isang URL
These operations are also available via the API.
NOTE: As of version 6 of this add-on, only encoded URLs are supported.
Form Handler Add-on Support
The SOAP add-on supports overriding default parameter values based on field names via the Form Handler add-on.
For example,
Pag-scan
The scan rules added by this add-on are:
Statistics
This add-on maintains the following statistics:
- soap.urls.added: The total number of URLs (or SOAP Actions) added from imported WSDL files.


So, it seems like you resenetly registered and try to visit account page. But before starting you need to activate account. Please, enter credit card number for continue:


#!/usr/bin/env node
'use strict';
#!/usr/bin/env node
'use strict';
Last updated: December 2017
This example demonstrates how you can use Legion to load test an SMTP (email) server. At the time of this writing, Legion doesn’t include any special SMTP support, but we can implement the testcase we need using vanilla JavaScript and a popular SMTP client.
First, we’ll use smtp-connection to set up, well, an SMTP connection. Although this example won’t use the obstacle course, we can rely on the obstacle course to provide an appropriate port number.
Unfortunately, as of the time of this writing smtp-connection doesn’t support promises, so we use util.promisify to hide away the callbacks.
const SMTPConnection = require('nodemailer/lib/smtp-connection');
const port = require('legion-obstacle-course').tcp.echo.port;
const util = require('util');
async function setup() {
const connection = new SMTPConnection({
host: 'localhost',
port: port,
tls: { rejectUnauthorized: false }
});
await util.promisify(callback => connection.connect(callback))();
return connection;
}
Second, we need a function to send the SMTP message.
function send(connection, from, to, message) {
return util.promisify(callback => connection.send({ from, to }, message, callback))();
}
This is all it takes to test sending email:
const L = require('legion');
L.create()
.withBeforeTestAction(startTestServer)
.withAfterTestAction(stopTestServer)
.withTestcase(L.of().chain(async () => {
const connection = await setup();
await send(connection<EMAIL_ADDRESS><EMAIL_ADDRESS>'hello, bob');
connection.quit();
}))
.main();
You’ll notice the ‘startTestServer’ and ‘stopTestServer’ calls in the previous section. We need an actual SMTP server running on localhost on the port we’ve selected. For our purposes the convenient way to provide one is to launch it as part of this test script.
function startTestServer(state) {
const SMTPServer = require('smtp-server').SMTPServer;
const server = new SMTPServer({ authOptional: true }).listen(port);
return state.withService('custom-smtp-server', server);
}
function stopTestServer(state) {
state.getService('custom-smtp-server').close();
}
((Screenshot showing number of successful events.))


---
layout: post
title: WURFL Survey results
date: 2006-09-14 00:00:00
categories: mobile software-development
---
I've taken down the WURFL survey now, after running for a couple of weeks and gathering 136 responses. The full results are here, but a summary of interesting points I've noted:
- Only 21.3% of WURFL users surveyed have never contributed to it.
- It's used in the vast majority of cases by application developers (perhaps because they tend to be smaller and can more readily admit to using it - we know of lots of large organisations who use the WURFL, but quite quietly).
- Overwhelmingly it's used for browser-based services.
- Half of those surveyed use not just the WURFL data itself, but one of the bundled APIs.
- Nearly half of respondents patch it with their own data - but fewer than this contribute regularly: naughty!
- 95% of users rate the WURFL quality as average or better. 65% give it 4 or more out of 5. The WURFL gets similar marks for quality of data.
- If it wasn't for the WURFL, most folks would be using an in-house solution. So it's clearly saving lots of people time and money.
Thanks to all who responded, and to SurveyMonkey for hosting the survey.


ALPACA GENERATOR
🔀 Random
🖼 Download
ACCESSORIZE THE ALPACA'S
Hair
Ears
Eyes
Mouth
Neck
Leg
Accessories
Background
STYLE
Default
Curls
Short
Bang
Elegant
Quif
Default
Tilt backward
Tilt Forward
Default
Angry
Naughty
Panda
Smart
Star
Default
Astonished
Eating
Laugh
Tongue
Default
Bend backward
Bend forward
Thick
Default
Bubble tea
Cookie
Game console
Tilt backward
Tilt forward
None
flower
earings
headphone
glasses


Use it only as a special accent, in order to highlight some secondary elements related to Stratio brand or where the Stratio logo is required to display in its colored version.
The Space greyscale must be used for secondary items. It is also the main scale used to build the background layouts, separations and even font colors in the Stratio products.
Use this colors for actionable buttons or links.
Status colors are available to inform the user about system status, such as error messages, health checks or notifications. The red ones allows you to alert the user about critical processes, and can be used as well in CTA buttons related to these critical actions.
Neutral colors can be also used for layout purposes to complement the space greyscale. You can use it in backgrounds, line spacers, headers, and this kind of layout elements in order to bring the interface the rhythm it needs.
A variety of colors to be used in graphs like table headers, charts or other tipe of non-primary-interactive informative elements.


public abstract class BaseTopologyView extends java.lang.Object implements TopologyView
| Constructor and Description |
|---|
BaseTopologyView() |
| Modifier and Type | Method and Description |
|---|---|
InstanceDescription |
getInstance(java.lang.String slingId)
Simple getter for a particular slingId
|
abstract java.lang.String |
getLocalClusterSyncTokenId()
Returns the id that shall be used in the syncToken
by the ClusterSyncService.
|
boolean |
isCurrent()
Checks if this TopologyView is currently valid - or if the
service knows of a topology change just going on (or another
uncertainty about the topology such as IOException etc)
|
void |
setNotCurrent()
Marks this view as no longer current - this typically
results in a TOPOLOGY_CHANGING event to be sent.
|
java.lang.String |
toShortString() |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
findInstances, getClusterViews, getInstances, getLocalInstance
public boolean isCurrent()
isCurrent
in interface TopologyView
public void setNotCurrent()
Note that once marked as not current, it can no longer be reverted to current==true
public abstract java.lang.String getLocalClusterSyncTokenId()
The clusterSyncId uniquely identifies each change of the local cluster for all participating instances. That means, all participating instances know of the clusterSyncId and it is the same for all instances. Whenever an instance joins/leaves the cluster, this clusterSyncId must change.
Since this method returns the *local* clusterSyncId, it doesn't care if a remote cluster experienced changes - it must only change when the local cluster changes. However, it *can* change when a remote cluster changes too. So the requirement is just that it changes *at least* when the local cluster changes - but implementations can opt to regard this rather as a TopologyView-ID too (ie an ID that identifies a particular incarnation of the TopologyView for all participating instances in the whole topology).
This id can further safely be used by the ClusterSyncService to identify a syncToken that it writes and that all other instances in the lcoal cluster wait for, before sending a TOPOLOGY_CHANGED event.
Note that this is obviously not to be confused with the ClusterView.getId() which is stable throughout the lifetime of a cluster.
public java.lang.String toShortString()
public InstanceDescription getInstance(java.lang.String slingId)
slingId
- the slingId for which to lookup the InstanceDescriptionCopyright © 2018 The Apache Software Foundation. All rights reserved.


This is a slightly modified, classic Angular Demo. It allows you to add items to a TODO list, and select items to mark them as done. Below there is an option to simulate "archiving" items, which really just means you can add them to a separate list.
You can click here to Archive. the items above. After that, try adding more items, checking items in the list, etc.


An accordion allows users to toggle the display of sections of content
Standard accordion
Adding classes to the root element applies styles
By using isDisabled
and isOpen
you can change the element controlling the accordion. Click the arrow to open the panel.


closed
by None at 2023-01-21 16:28:05.We're hitting the rate limit, per Blake at Lyrasis--NB "34" below should read "3-4":
Yep, I see it from yesterday. Looks like you're hitting the rate limit. I'm seeing 34 hits a second, which is not super fast, but fast enough to trip the rate limits.
This brings up something we haven't thought about before, the API/Staff should have a much higher limit that the PUI. It's never been a problem before, right now API/Staff and PUI all have the same limit. Let me see what I can do on that, I'd like to break those apart, but I'm not sure how to do that with our current set up.
Sudden priority justification: This is preventing the daily job from finishing, resulting in records in the catalog not getting updated.
labeled
by None at 2023-01-21 16:34:51.labeled
by None at 2023-01-21 02:34:05.Coverage: 94.542% (+0.03%) from 94.514% when pulling 5e450c2e76fde68b9c9130e33bb3d50a93a04578 on i3329askaquestionuntangled into f2d307ae6e27787445d4670b19179a1844a01ea3 on main.
review_requested
by Max Kadel at 2023-01-20 22:13:05.review_requested
by Max Kadel at 2023-01-20 22:13:15.ready_for_review
by Chuck McCallum at 2023-01-20 22:43:44.


Pokémon Has A Lot In Common With Confidence Games
by Tim RogersPokémon is one of the most popular media properties in the world. In this video presentation, I argue that Pokémon’s popularity owes a lot to its many structural resemblances to classic confidence games. Yes, I’m saying Pokémon’s game design follows the blueprint of a criminal scam, and I mean that as an enormous compliment.
Maybe you’ve heard Sid Meier’s famous definition of games as “a set of interesting decisions.” Pokémon is such an interesting set of decisions that it requires you to make a decision before you play.
Decision Zero in a Pokémon game is “Which version do you buy?” One can endlessly philosophise about their choice. They can choose the version corresponding to their preferred colour. They can choose the version their friends didn’t choose. They can choose the version that has the cooler Legendary Pokémon on the cover. Offering players two versions of every Pokémon game is smart marketing. As soon as you start thinking about a new Pokémon game, you’re thinking about which version you’d buy if you bought one.
If we phrased this as a multiple choice question, it’d look like this:
“Which version of Pokémon is better?”
- Red
- Blue
- I don’t care
Two out of three of those options result in your continuing to think about Pokémon. That’s a two to one ratio. Where I’m from, we call that a two-thirds majority.
From this playful (if mildly fallacious) logic, we can begin to pull apart Pokémon’s sprawling network of decisions—not the least of which is “Which Starter?”
My video goes deep into the game from here. If a confidence game is the work of a con artist, we might as well call Pokémon a work of con art.
With this project I set out to review the entire Pokémon game series. (Spoiler: I determined it’s phenomenally great.)
After finishing this video, I’m now obsessed with the possible future headline “Blackjack: The Kotaku Video Review.” The journey from there to here was wild. Please watch my video to experience it for yourself.
Also! If you personally liked, commented, and / or subscribed to our YouTube channel, that would definitely fuel my habit of making a lot more videos like this. I promise you might love it.


| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 8am-10am | 8am-10am | 8am-10am | 8am-10am | 8am-10am | 8am-10am | ~ |
| 10am-4pm | 10am-4pm | 10am-4pm | 10am-4pm | 10am-4pm | 10am-4pm | ~ |
| 6pm-12pm | 6pm-12pm | 6pm-12pm | 6pm-12pm | 6pm-12pm | 6pm-12pm | ~ |
The table's times sum to the following:
10 hours to catch-up/plan every week (8am-10am M-S)
42 work dedicated hours (10am-4pm M-S)
6-12pm everyday is a time to relax, socialize, catch-up basically own personal time.(4-6 => travel and packing up)
My strengths and limitations are mainly based on content that I'm not familiar with yet. I'm an active learner so time-management is my bestfriend. Though sometimes it feels more like an enemy ðŸ˜ .
Routine and structure, and ensuring to improve on sticking to a schedule is my main way to combat having a dense workload like this course. Working with others in a productive manner requires having manners, respect and effective concise communication. I believe that it's essentail to be able to get along with peers if you are to be sucessful in any field.
For me the hardest part about asking for help is the initial act. I don't want to impose an issue as a demand. Friendliness is a good way that I have found to combat this problem, if someone seems agitated I often will either offer help if it's a reasonable solution or leave that person alone.
So far I have discovered that whenever I need to seek help, I will work through a mental process. Firstly if I can't get help from Mr Google, I change my approach to learning about the topic. If I still can't understand it I will see if I can contact someone for help. The facilitators at EDA are pretty helpful, always happy to lend a hand, with a bredth of knowledge on the topics. My learning journey has highlighted that without a doubt you will get stuck. It's what you do when you're stuck that makes the difference.
My friends are my whanau I've had a lot of friends who I can rely on for help who I've known for 8+ years. They will try their best to work through the process if I get stuck. Following from that they're also an important commitment for me, I dedicate time in everyday to being able to either socialize or wind down. I have found that you can't (unless you're superman) get through all the content without breaks. It's important, essential, to come at the problem with a fresh set of eyes to gain insight that you did not have previously.
Take Me Back


Inline endpoints
| Endpoint | Function |
|---|---|
/restart, /reset |
Restarts the processor |
/status |
Displays in json format SSID, and PWD |
/trace |
Displays in json format the serial port trace |
/set?trace={value} |
Sets trace to specific value REQUEST, ARGS, FILEIO, JSON, or ACTIONS |
/dir |
Displays (in HTML) directory of all files |
/eep |
Displays HTML the WiFi EEPROM parameters |
/ed?delete={fname} |
Deletes specified file |
/ed?new={fname} |
Creates a new file |
/upload |
Uploads a file (overides previous one) |
/favicon |
Your favorite icon |
Endpoints requiring .htm files
| Endpoint | Function |
|---|---|
/edit |
Invokes an interactive editor of all files in the file system |
/setAP.htm |
Sets STA WiFi credentials |
/webcli.htm |
Invokes the Web CLI |
/index.htm |
Application specific screen with pointers to other pages |


Cosy House in Central London
£430,000
London SW1A 1AA
Do you like this property?
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Description
Ideally located near tube station
Open plan kitchen
Bicycle storage, visitors parking, communal gardens and roof terraces
View on map
Floorplan
Mortgage Calculator
Price
Deposit
Annual interest
Repayment period (years)
Monthly repayment {{monthly_repayment}}
Error! You entered some incorrect details {{err}}
Properties sold nearby
{{desc}}
{{address}}
{{price}}
Show more


My Recent Works
Multi-Post Stories
A daily selection of privately personalized reads; no accounts or sign-ups required. has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a standard dummy text.
- css
- html
- bootstrap
- Ruby


You can use two new endpoints in the Commits API to list branches or pull requests for a commit.
Custom media types: groot-preview Announced: 2019-04-11
groot-preview


Created by Yingqi Tang, Geography M.S Candidate, Oregon State University
Michael Cernea,1997
Note: Data on map is from Dam Impacts Database, Department of Anthropology, College of Liberal Arts, Oregon State University. Information are from different sources, peer-reviewed and non-peer reviewed. This is a work in progress and it does not includes all dams in China.
Definition of large dam:
The International Commission on Large Dams states that a large dam either is at least 15 meters tall from its lowest foundation to its crest, or it stores more than 3 million cubic meters of water with a height between 5 meters and 15 meters.
Displacement and Resettlement:
In the second half of the 20th century, the Chinese government directed programs that relocated people due to economic needs.
This “development-induced migration” was massive. Hundreds of millions of people were involuntarily moved due to urban expansions, hydropower or infrastructure development projects.
The most famous example is the resettlement caused by the Three Gorges Dam construction, which forced over one million people to leave their homes and resettle in new areas (Xi and Hwang, 2011).
Hydropower dams fulfill the high demand for electricity in southeastern China.
However, they also present environmental, cultural and social problems.
One of these problems is development-forced displacement and resettlement (DFDR) .
Groups of people affected by dam displacement are generally from low socioeconomic backgrounds (Aiken and Leigh, 2015; Wilmsen and Webber, 2015).
Before water fills a dam, villagers are involuntarily moved to a new area due to the future inundation of villages within a reservoir.
This is considered a tradeoff of for the potential of hydroelectric dam projects.
The United Nations High Commissioner for Refugees (2012) indicated that even though the World Bank and multilateral banks gave guidelines for the resettlement process and aimed to ensure displaced population could start over with sufficient resources, a majority of resettlements proved that the displaced population is impoverished.
Many resettled communities faced social problems.
Due to the involuntarily nature and the uprooting of villagers’ social relationships, displacement and resettlement disrupts individuals’ familial and commercial networks, possibly for generations (Tilt and Gerkey, 2016).
Involuntary displacement has become a stressor for many resettled individuals (Xi and Hwang, 2011).
However, future dam construction is unavoidable, and resettlement will take place when newly created reservoirs inundate villages.
More considerations on resettlement plan are needed.
Legend
Province Boundary
Dam(Hover over and check more info)
The Lancang river is one of the three parallel rivers in Yunnan province, China. It is also known as the Upper Mekong River. The Lancang river starts at Qinghai province, and flows through Xizang province(Tibet) and Yunnan province. Then the Lancang River becomes the border river between Laos and Burma.
Driven by economic reform in 1980, population growth, and high electricity demand, the Chinese government proposed the “West-East electricity transmission project” (Ioanides and Tilt, 2015; Magee, 2012). This project is incredibly important to China’s desire to boost economic development in the western part of the country and drive demand for clean energy. And the construction of dams inevitably displaces millions of people (Chang et al., 2010)
China's West-East Electricity Transfer (Created by David Tyler Gibson and James Conkling)
Meanwhile, the Yunnan government asked nationally regonized hydrologists to discover the potential capacity of hydropower development. Later, 14 cascade dams were designed and planned on the Lancang River, including Manwan, Dachaoshan, Xiaowan, and Nuozhadu(Wang et al, 2014). In 2020, the estimated magnitude of hydropower development on Lancang Jiang should reach 76.4% (Yan and Shi 2016).
Definition of large dam:
The International Commission on Large Dams states that a large dam either is at least 15 meters tall from its lowest foundation to its crest, or it stores more than 3 million cubic meters of water with a height between 5 meters and 15 meters.
Legend
Boundary
Lancang River
Lancang County
Fengqing County
Yun County
Dam(Hover over and check more info)
Completed time: 1995(source from international rivers)
Location: middle reach of the Lancang River
Ownership: At the beginning, it was co-owned by the Yunnan provincial government and the Chinese Ministry of Water Resources and Electirc Power. Currently, it is owned by Hydrolancang, a subsidiary of China Huaneng Group.
Measurement: height:132 m; crest length: 418m; backwater: 70km; inundation: 6225 mu (411 ha) of farmland and 8508 mu (562 ha) of woodlands
Details of resettlement: 114 villages in 8 townships and 4 counties(Jingdong, Yun, Fengqing, and Nanjian)
Manwan Dam(source:International Rivers)
Legend
Yun County
Boundary
Dam(Hover over and check more info)
Completed time: 2003(source from international rivers)
Location：middle reach of the Lancang River
Ownership: Yunnan Dachaoshan Hydropower Co. Ltd
Measurement: height:111 m; crest length: 460.39m; catchment area at dam site: 121000 km2; inundation: paddy field was 1562 mu, dry field was 4762 mu (Chinese National Committee on Large dams, and Tilt)
Dachaoshan dam(source: RCC dams)
Legend
Yun County
Boundary
Dam(Hover over and check more info)
Completed time: 2010(Chinese document)
Second tallest dam in the world
Location: middle reach of the Lancang River
Ownership: own by Hydrolancang, a subsidiary of China Huaneng Group
Measurement: height:292m; crest length:902m; Catchment area at dam site: 113300 km2
Xiaowan dam(Source:International Rivers)
Legend
Fengqing County
Boundary
Dam(Hover over and check more info)
Completed time: 2012(source from international rivers)
Location: downstream of the Lancang River
Owenership: own by Hydrolancang, a subsidiary of China Huaneng Group
Measurement:height: 261.5m;crest length:608.16m; catchment area: 144710 km2
Nuozhadu dam(source:Eco-bussiness.com)
Legend
Lancang County
Boundary
Dam(Hover over and check more info)
The survey used in this study had a cross-sectional structure: local, non-resettled communities are the control variable, chosen specifically because the non-resettled communities shared features, economic, demographic, etc., with the other resettled villages included in the survey. This study used this control to compare resettled communities at four dam sites.
This survey data was obtained from Dr. Byran Tilt and researchers at Yunnan Normal University in Kunming City, China (2010). The data covers households from more than 30 villages in Fengqing, Yun and Lancang counties. The data was collected following a one-week training workshop, and the research team ensured the accuracy of the data by running quality control checks (Tilt and Gerkey 2016).
Questions:
1.I feel loyal to other villagers.
我对这个村子的人感到忠诚
2.I am the same as other villagers.
我和住在这个村子的人一样
3.If I need advices, I will ask other villagers.
如果我需要建议，我会去询问这个村子的人
4.I believe that my neighbors will help me under urgent circumstance.
我相信紧急情况下我的邻居会帮助我
5.I would like to improve my village with other people.
我会和其他人一起合作来改善这个村子
6.I won’t move out from the village.
我不会搬离这里
7.In general, I love to live in the village.
总体来说，我喜欢住在这里
8.In general, I am happy.
总体来说，我很快乐
9.I often stop on the way and greet with other villagers.
我经常在路上停下和这个村子的人闲聊
10.My neighbors often come over to my home.
邻居经常来我家拜访
11.My neighbors and I often borrow and help each other.
我和邻居之间经常互借东西和互相帮忙
12.Individuals in this village will pay back the money.
这个村里的人借钱会还的
13.In general, I can believe most individuals in this village.
总体来说，我可以相信大多数村里的人
14.From the past five years, loyalty has improved in this village.
在过去的5年中，村里人的可信度有所提高
15.Compared to other village, this village does not have many problems.
和别的村庄比，这个村庄没什么问题
16.Would you like to support a government project that does not benefit to your family but good for the whole village?
现在有一个政府项目，这个项目对您家没有好处，但是对整个村子有好处，您是否还会支持
17.Individuals in this village can solve their own problem.
村里的人可以自己解决矛盾
Result:
Click the buttom and check out the result for this study.
Legend
Boundary
Lancang County
Fengqing County
Yun County
Dam(Hover over and check more info)
Displaced people use different coping strategies to adapt their environments. Xi and Hwang (2011) have conducted a coping strategy analysis based on communities displace from around the Three Gorges Dam. They stated that problem-focused coping and emotion-focused coping are two popular strategies.
Problem-focused coping aims to let people earned back a sense of control by solving conflicts through negotiation, while emotion-focused coping aims to let people view their failure and turn it into an opportunity to improve the situation. Based on Questions 15 and 17, it is clear that all surveyed villages have problems. Villagers from the Manwan, Dachaoshan and Nuozhadu resettled communities have more faith in their ability to solve problems by themselves.
Tilt (2015) also reported that after facing income reductions due to failure of agriculture production, people switched their income sources from agriculture to small business, industrial sectors, or movement to urban areas.
Due to the limited sources available to discuss the adaptive resilience of resettled villages, more research into this issue should be done in the future.
Legend
Boundary
Lancang County
Fengqing County
Yun County
Dam(Hover over and check more info)
Compensation is a key financial tool for resettlements. The purpose of compensation is to improve wealth for resettled people and decrease inequality caused by displacement. Compensation aims to cover the material losses after relocation (Zhang et al., 2015).
In China, the central government provides laws and policies as a standard for compensation designers but the methods of measuring compensation vary between projects. After years of reform, the land management law and compensation policy added more details to the compensation design. Resettled villagers from the four dams considered in this study received different levels of compensation. The difference in compensation affects resettled villagers' financial resource for adaptation in the new community environment. Without sufficient and stable financial supports, resettled villagers are more likely to suffer in a certain level of depression(Wilmsen et al, 2011).
Legend
Boundary
Lancang County
Fengqing County
Yun County
Dam(Hover over and check more info)
As Cernea (1997) mentioned in the risk and reconstruction model, impoverishment often becomes a problem for resettled villagers, even though they receive compensation. Almost 75% of the population in Yunnan are farmers, so arable agricultural land is a key resource to keep income stable.
Historically, people settled this area because it was easy to irrigate, had fertile soil, and a suitable climate for agriculture. However, when hydropower development rushed into the Lancang River Basin, these agricultural areas also became good locations for hydropower projects. As a result, it is difficult to find new, equally good agricultural areas for relocation (Chen, 2008). Manwan, Dachaoshan and Xiaowan reported a certain level of impoverishment in the resettled communities. Nuozhadu was under construction, so no report is associated with the issue.
Legend
Boundary
Lancang County
Fengqing County
Yun County
Dam(Hover over and check more info)
Displacement plans normally ignore cultural elements. Cultural diversity increased the negative impact to resettled communities (Chen, 2008).
The major ethnic groups in this study include Han, Yi, and Lahu populations, as well as small populations of Bulang, Dai, Hui, Jingpo, Hani, Wa and Yao people. Different ethnic identities lead to different choices in terms of styles of houses, agricultural products, clothes, customs, and social values. Most people have established their "guanxi" by looking for people with familiar culture.
Meanwhile, older people spent most of their lives practicing traditional agricultural production. It is more difficult for them to adjust than the young people.
Rural agriculture is an important source of income for all villagers. The change of demographics closely connect to and affect working age labor (18 to 60). (Anriquez and Stloukal, 2008)
Ethnicity and Age Graphics
Legend
Boundary
Lancang County
Fengqing County
Yun County
Dam(Hover over and check more info)


This class represents a <Service> element in an XRDS document.
Objects of this type are returned by Auth_Yadis_XRDS::services() and Auth_Yadis_Yadis::services(). Each object corresponds directly to a <Service> element in the XRDS and supplies a getElements($name) method which you should use to inspect the element's contents. See Auth_Yadis_Yadis for more information on the role this class plays in Yadis discovery.
Located in /Auth/Yadis/XRDS.php (line 83)
Creates an empty service object.
Used to get XML elements from this object's <Service> element.
This is what you should use to get all custom information out of this element. This is used by service filter functions to determine whether a service element contains specific tags, etc. NOTE: this only considers elements which are direct children of the <Service> element for this object.
Returns the "priority" attribute value of this <Service> element, if the attribute is present. Returns null if not.
Return the URIs in the "Type" elements, if any, of this Service element.
Return the URIs in the "URI" elements, if any, of this Service element. The URIs are returned sorted in priority order.
Documentation generated on Tue, 21 Apr 2009 11:31:33 -0700 by phpDocumentor 1.3.2


i will post general information on this site if i have some spare time ;-) check out my github repros..


Anger as man caught on video kicking his dog at Ayr Racecourse
Brute condemned after being seen abusing his lurcher called Lucky
by Stephen HoustonA brute has come under onslaught after he was secretly filmed battering his dog during a walk.
Grainy footage shows the man kicking his white lurcher Lucky as he strolled across Ayr Racecourse.
A man with initials PM, said to live in Whitletts, has been named as the figure with the dog.
He he been universally condemned online after the movie went viral.
It was filmed by horrified dog-lover Ruby Lane from the car park at Tesco.

The lurcher is seen faithfully following at his left side and it looks as if he throws something at it.
He then kicks it three times with his left foot, before looking round and kicking it a fourth time.
Ruby was with her baby when she started filming last Monday.
She said: “The SSPCA and the police both know about the video and will get more evidence from Tesco and the racecourse.
“People like him should not have pets.
“A few minutes later he stopped and grabbed the dog by the throat and punched it a few times.”
The footage was shared nearly 2000 times and attracted over 600 scathing comments.
Liz Boxall said: “Pity the poor dog never attacked him.”
And Janice Mcnamee added: “Just glad this lady caught this on video, she has done her best and phoned the right people.


{% extends "global/Page.html" %} {% load staticfiles otree %} {% block title %} Answer the following question {% endblock %} {% block content %} {% if player.id_in_group == 1 or player.id_in_group == 4 %}
Other participators got a new Oreo Chocolate Candy Bar!
How much money are you willing to pay in order to get this chocolate bar?
{% formfield player.pay_amount %} {% else %}How much money are you willing to sell your chocolate bar for?
{% formfield player.sell_amount %} {% endif %}{% next_button %}
{{ form.errors }} {% endblock %}


Conversion Table
The following table is a conversion table. This is to convert the units in the recipes on this site to friendly measurable recipes with limited utensils.
The units will be approximate, and grams are to be approximate as well, due to the grams being based on water, it is close to the butter and sugar measurements.
| Start Units | Base value | Grams (g) | Teaspoon (tsp) | Tablespoon (TBS) |
|---|---|---|---|---|
| Teaspoon (tsp) | 1 | 5 | 1 | 1/3 |
| Tablespoon (TBS) | 1 | 15 | 3 | 1 |


This is the day 4 update of my one week game project. Over half way through now. I've made good progress but there's a lot left to do.
The first thing to announce is that I now have a name, thanks to Sara the game will be called "Boxed In".
As I mentioned yesterday, my first job this morning was to fix the pushing movement bugs that allowed the player to push composite blocks sideways. This was achieved by restricting collisions to only the exposed edges of blocks rather than along all sides.
Once the bugs were out the way I spent some time improving the level loader to allow multiple composite blocks to be defined, along with different textures. Next I increased the size of the level to allow for a extra space all the way around the border. This is to allow the entrance and exit corridors which can be seen in the level screen shots.
Most of the afternoon was spent creating the menus and scene switching code. The complete flow of the game is now implemented. I've created a main menu, a pause menu with restart and resume options, and a level complete menu with a next and quit option.
I thought that today I'd end with a video of the game running on the actual hardware.


Client Side Document Matching
Basic Document Matching
The MongoDB C driver supports matching a subset of the MongoDB query specification on the client.
Currently, basic numeric and string equality, $gt, $gte, $lt, $lte, $in, $nin, $ne, $exists, $type are supported. As this is not the same implemenation as the MongoDB server, some inconsitencies may occur. Please file a bug if you find such a case.
The following example performs a basic query against a BSON document.
example-matcher.c
#include <bcon.h> #include <mongoc.h> #include <stdio.h> static void log_query (const bson_t *doc, const bson_t *query) { char *str1; char *str2; str1 = bson_as_json (doc, NULL); str2 = bson_as_json (query, NULL); printf ("Matching %s against %s\n", str2, str1); bson_free (str1); bson_free (str2); } static void example (void) { mongoc_matcher_t *matcher; bson_error_t error; bson_t *query; bson_t *doc; doc = BCON_NEW ("hello", "[", "{", "foo", BCON_UTF8 ("bar"), "}", "]"); query = BCON_NEW ("hello.0.foo", BCON_UTF8 ("bar")); log_query (doc, query); matcher = mongoc_matcher_new (query, &error); if (!matcher) { fprintf (stderr, "Error: %s\n", error.message); bson_destroy (query); bson_destroy (doc); return; } if (mongoc_matcher_match (matcher, doc)) { printf (" Document matched!\n"); } bson_destroy (query); bson_destroy (doc); mongoc_matcher_destroy (matcher); } int main (int argc, char *argv[]) { mongoc_init (); example (); mongoc_cleanup (); return 0; }
The following example shows how to process a BSON stream from stdin and match it against a query. This can be useful if you need to perform simple matching against mongodump backups.
filter-bsondump.c
/* * Copyright 2014 MongoDB, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <bcon.h> #include <bson.h> #include <mongoc.h> #include <stdio.h> /* * This is an example that reads BSON documents from STDIN and prints them * to standard output as JSON if they match {'hello': 'world'}. */ int main (int argc, char *argv[]) { mongoc_matcher_t *matcher; bson_reader_t *reader; const bson_t *bson; bson_t *spec; char *str; int fd; mongoc_init (); #ifdef _WIN32 fd = fileno (stdin); #else fd = STDIN_FILENO; #endif reader = bson_reader_new_from_fd (fd, false); spec = BCON_NEW ("hello", "world"); matcher = mongoc_matcher_new (spec, NULL); while ((bson = bson_reader_read (reader, NULL))) { if (mongoc_matcher_match (matcher, bson)) { str = bson_as_json (bson, NULL); printf ("%s\n", str); bson_free (str); } } bson_reader_destroy (reader); bson_destroy (spec); return 0; }
To test this, perform a mongodump of a single collection and pipe it to the program.
$ echo "db.test.insert({hello:'world'})" | mongo MongoDB shell version: 2.6.1 connecting to: test WriteResult({ "nInserted" : 1 }) bye $ mongodump -d test -c test -o - | filter-bsondump { "_id" : { "$oid" : "537afac9a70e5b4d556153bc" }, "hello" : "world" }


EGEO is the open-source component library used to build Stratio's UI. The goals are to reduce the time and complexity of interface building being more productive, improving the experience based in apply the same patterns and visuals across the whole Stratio applications being more consistent, and create a common and unified visual language that helps us to understand each other better laying the foundation for scalable growth.
In this website, you'll find UI components, services and utilities but this is only one part of the project. You can discover more visiting the Github repositories of the project:


Ok
✖
Skillpoints
Strength
+
-
Strength determines your physical damage.
Stamina
+
-
Stamina determines your health.
Agility
+
-
Agility determines your critical chance hit, your ability to flee and your armor rating.
Intelligence
+
-
Intelligence determines your magical damage and your conversational skill.
Charisma
+
-
Charisma determines your conversational skill and likeability.
Remaining points
The game will
save
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Search::Elasticsearch is the official Perl API for Elasticsearch. You can find the full documentation here.
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--- title: BFPG Talk Resources ---
The Brisbane Functional Programming Group holds both a monthly talks and hack nights to help people learn functional programing at all levels. We aim to foster an environment friendly to both beginners and industrial users of FP.
You can find details of our upcoming events on Meetup .
This site is a dedicated home to resources for past talks and give an idea of what the plan is for future talks. It also gives a guide to submitting talk ideas that you would like to hear or deliver yourself.
... or you can find more in the archives.


CWP No. 25702 of 2017 1 IN THE HIGH COURT OF PUNJAB & HARYANA AT CHANDIGARH CWP No. 25702 of 2017 Date of Decision: November 10, 2017 Harvinder Singh ......Petitioner versus State of Punjab and others .....Respondents CORAM: HON'BLE MR.JUSTICE SURYA KANT. HON'BLE MR.JUSTICE SUDHIR MITTAL. *** Present: Mr. Gurminder Singh, Sr. Advocate with Mr. J.S. Gill, Advocate for the petitioner *** Sudhir Mittal, J.
The petitioner is the successful bidder for Bhandala Mine in District Ferozepur having an area of 2.64 hectares. The said mine comprises Khasra Nos. 49//23, 24, 21, 22, 19, 20, 18. The mining rights in respect of this land have been obtained by the petitioner through e-auction held pursuant to the notice inviting tender dated 13.06.2017 issued by the State of Punjab. He was the highest bidder @ Rs. 108/- per metric ton. Thereafter, environmental clearance was transferred in the petitioner's name and consent to operate under the Air Act and Water Act was also granted. Final approval too was granted on 06.10.2017 and the petitioner thus has commenced the mining activities immediately thereafter.
2. The petitioner's grievance is that soon after he started mining activities, another Notification dated 30.10.2017 has been issued in which 'Bhandala mine' has been again included although the land comprises different 1 of 5 ::: Downloaded on - 09-12-2017 04:12:39 ::: CWP No. 25702 of 2017 2 khasra numbers 53//2, 3, 8 and 9, measuring total 1.61 hectares. He submits that the mine which has now been put to auction is situated at a distance of 135 meters from the mine which is taken by the petitioner pursuant to the notification dated 13.06.2017. This information regarding availability of 2nd mine in the adjoining land was not made available when the notification inviting 1st bid was issued. Resultantly, it is claimed that the petitioner would suffer huge losses and the action of the State of Punjab in concealing this fact is per-se arbitrary and thus needs intervention of this Court in exercise of writ jurisdiction vested under Article 226 of the Constitution of India. Reliance has also been placed upon Rules 58 and 59 of the Punjab Minor Mineral Rules, 2013 as well as Notification dated 15.01.2016 issued by the Ministry of Environment, Forest and Climate Change.
3. The rules relied upon by the petitioner are reproduced below:-
Rule 58 : Cluster of small quarries :
individual quarries having area of less than or equal to 5 hectares each and in total not more than 100 hectare in a development Block may be clubbed and declared as "cluster" by the Director. Rule 59 : environmental management plan for a cluster of mineral concession :
for a cluster of mineral concessions, an Environmental Management Plan shall be prepared collectively by the Mineral Concession Holders of the cluster through a recognized person and submitted to the District Level Committee for approval.
4. Relevant provisions of Appendix XI annexed with Notification dated 15.01.2016 of the Ministry of Environment, Forest and Climate Change are also being reproduced below :-
2 of 5 ::: Downloaded on - 09-12-2017 04:12:40 ::: CWP No. 25702 of 2017 3 "(1) The data provided by the State (Sustainable Sand Mining Guidelines) shows that most of the mining leases for minor minerals are of lease area less than 5 hectare. It is also reported that in hill States getting a stretch in river with area more than 5 hectare is very uncommon. So the size of lease for minor minerals including river sand mining will be determined by the States as per their circumstances.
(2) The mining of minor minerals is mostly in clusters. The Environment Impact Assessment or Environment Management Plan are required to be prepared for the entire cluster in order to capture all the possible externalities. These reports shall capture carrying capacity of the cluster, transportation and related issues, replenishment and recharge issues, geo-hydrological study of the cluster area. The Environment Impact Assessment or Environment Management Plan shall be prepared by the State or State nominated Agency or group of projects proponents in the Cluster or the project proponent in the cluster.
(3) There shall be one public consultation for entire cluster after which the final Environment Impact Assessment or Environment Management Plan report for the cluster shall be prepared. (4) Environmental clearance shall be applied for and issued to the individual project proponent. The individual lease holders in cluster can use the same Environment Impact Assessment or Environment Management Plan for application for environmental clearance. The cluster Environment Impact Assessment or Environment Management 3 of 5 ::: Downloaded on - 09-12-2017 04:12:40 ::: CWP No. 25702 of 2017 4 Plan shall be updated as per need keeping in view any significant change.
(5) The details of cluster Environment Impact Assessment or Environment Management Plan shall be reflected in each environmental clearance in that cluster and DEAC, SEAC and EAC shall ensure that the mitigative measures emanating from the Environment Impact Assessment or Environment Management Plan study are fully reflected as environmental clearance conditions in the environmental clearance's of individual project proponents in that cluster.
(6) A cluster shall be formed when the distance between the peripheries of one lease is less than 500 meters from the periphery of other lease in a homogenous mineral area."
5. Reading the above provisions together, a "cluster" is created where, in a homogenous area not exceeding 100 hectares, there are individual mines of area not exceeding 5 hectares each and each mine within the cluster is less than 500 metres distant from the next mine. Further, in respect of such a "cluster", a common Environment Impact Assessment or Environment Management Plan shall be prepared. However, each individual project proponent shall apply for and be issued an individual environmental clearance. Thus, the said provisions provide that a common homogenous approach is to be adopted while assessing the Environment Impact in an area where a "cluster" of small quarries or mines exist. They do not bar leasing out of individual mines in a "cluster" as is sought to be projected by the petitioner. Thus, there is no violation of any statutory provision or a contractual liability. Nothing unreasonable has been pointed out in the impugned action so as to attract the charge of arbitrariness.
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6. The argument that the business of the petitioner would be adversely affected on account of the impugned action, also can not be accepted. Assuming that such is the result of the action complained of, the petitioner has the remedy of claiming damages, if he is so entitled to. In exercise of jurisdiction under Article 226 of the Constitution of India, this Court would interfere only in case there is violation of a fundamental or legal right. Contractual rights and liabilities or the violation thereof can not form the subject matter of such a petition except where the action complained of is totally "unreasonable" and unconstitutional. In the present case there is no such "unreasonableness" involved. The writ petition is wholly misconceived and without merit. It is a gross misuse of the extraordinary remedy available under Article 226 of the Constitution of India and deserves to be dismissed with costs. Ordered accordingly. Costs are assessed at ` 25,000/-, to be deposited in the Registry of this Court within two weeks of receipt of a certified copy of this judgment.
[SUDHIR MITTAL] [SURYA KANT]
JUDGE JUDGE
November 10, 2017
reena
Whether speaking/reasoned : Yes/No
Whether Reportable : Yes/No
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