Scalable Spark Deployment using Kubernetes - Part 1 : Introduction to Kubernetes
As our workloads become more and more micro service oriented, building an infrastructure to deploy them easily becomes important. Most of the big data applications need multiple services likes HDFS, YARN, Spark and their clusters. Creating, deploying and monitoring them manually is tedious and error prone.
So most of the users move to cloud to simplify it. Solutions like EMR, Databricks etc help in this regard. But then users will be locked into those specific services. Also sometimes we want same deployment strategy to work on premise also. Most of the cloud providers don’t have that option today.
So we need a framework which helps us to create and monitor complex big data clusters. Also it should helps us move between on premise and other cloud providers seamlessly. Kubernetes is one those frameworks that can help us in that regard.
In this set of posts, we are going to discuss how kubernetes, an open source container orchestration framework from Google, helps us to achieve a deployment strategy for spark and other big data tools which works across the on premise and cloud. As part of the series, we will discuss how to install, configure and scale kubernetes on local and cloud. Also we are going to discuss how to build our own customised images for the services and applications.
This is the first blog in the series where we discuss about what is kubernetes and it’s advantages. You can access all other blogs in the series here.
What is Kubernetes?
Kubernetes is an open source container orchestration framework. In simple words, it’s a framework which allows us to create and manage multiple containers. These containers will be docker containers which will be running some services. These can be your typical webapp, database or even big data tools like spark, hbase etc.
Why Kubernetes?
 It’s a framework which allows developers containerise their application. It has become a popular way to develop, test and deploy applications on scale. When we already have docker, what is kubernetes bring into picture? Can’t we just build our clusters using normal docker itself?
The below are the some of the advantages of using kubernetes over plain docker tools.
-
Orchestration
One of the import feature that sets kubernetes apart from docker is it’s not a container framework. But it’s more of a orchestration layer for multiple containers that normally make an application. Docker itself has compose feature but it’s very limited. So as our application become complex, we will have multiple containers which needs to be orchestrated. Doing them manually becomes tricky. So kubernetes helps in that regard.
Also kubernetes has support for multiple container frameworks. Currently it supports docker and rkt. This makes users to choose their own container frameworks rather than sticking with only docker.
-
Cloud Independent
One of the import design goal of kubernetes, is ability to run everywhere. We can run kubernetes in local machine, on-premise clusters or on cloud. Kubernetes has support for AWS,GCE and Azure out of the box. Not only it normalises the deployment across the cloud, it will use best tool for given problem given by specific cloud. So it tries to optimise for each cloud.
-
Support for Easy Clustering
One of the hard part of installing big data tools like spark on cloud is to build the cluster and maintain it. Creating clusters often need tinkering with networking to make sure all services are started in right places. Also once cluster is up and running, making sure each node has sufficient resources also is tricky.
Often scaling cluster, adding node or removing it, is tricky. Kubernetes makes all this much easier compared to current solutions. It has excellent support to virtual networking and ability to easily scale clusters on will.
-
Support for Service Upgradation and Rollback
One of the hard part of clustered applications, is to update the software. Sometime it may be you want to update the application code or want to update version of spark itself. Having a well defined strategy to upgrade the clusters with check and balances is super critical. Also when things go south, ability to rollback in reasonably time frame is also important.
Kubernetes provides well defined image ( container image) based upgradation policies which can unify the upgrading different services across cluster. This makes life easier for all the ops people out there.
-
Effective Resource Isolation and Management
One of the question, we often ponder should we run services like kafka next to spark or not? Most of the time people advise to have separate machines so that each service gets sufficient resources. But defining machine size and segregating services based on machines becomes tricky as we want to scale our services.
Kubernetes frees you from the machine. Kubernetes asks you to define how much resources you want to dedicate for service. Once you do that, it will take care of figuring out which machine to run those. It will make sure that it will effectively using all resources across machines and also give guarantees about resource allocation. You no more need to worry about is one service is taking over all resources and depriving others or your machines are under utilized.
Not only kubernetes allows you to define resources In terms of GB of RAM or number of cpu’s, it allows it to be defined in terms of percentage of machine resource or in terms of no of requests. These options are there to dedicate the resources more granularly.
-
Well Defined Storage Management
One of the challenges of micro service oriented architectures is to store the state across the restart/ upgradation of containers. It’s critical for applications like Databases not loose data when something goes wrong with container or machine.
Kubernetes gives a clear abstraction of storage who’s life cycle is independent of the container itself. This makes users ability to use different storages like host based, network attached drives to make sure that there will be no data loss. These abstractions ties well with persistence options provided by cloud like EBS from aws. Kubernetes makes long running persistent services like databases a breeze.
Now we know what kubernetes brings to the table. In our next post, we will be discussing how to install kubernetes on local machine.


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Classe décrivant un module MPC23017 pour expension des GPIO via i2c
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Initialisation bus : n° du bus (defaut 1 pour RPi et 2 pour pcduino (mais il faut préciser pc)) addr = adresse i2c du module ( pour detecter : i2cdetect -y no_bus) pc : rpiduino_io
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Definit le mode d'une pin
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| Generated by Epydoc 3.0.1 on Sun Apr 1 14:26:17 2018 | http://epydoc.sourceforge.net |


Venom-Z
This is a good one.
Acid Rain
This is a good one.
Apothicon Servent
This is a good one.
Wave Gun
This is a good one.
M.A.D.
This is a good one.
Whirlwind
This is a good one.
Sliquifier
This is a good one.
Shrinkray JGB
This is a good one.
Thundergun
This is a good one.
Alistair's Folly
This is a good one.
Ice Staff
This is a good one.
Fire Staff
This is a good one.
Trap-o-matic
This is a good one.
Raygun MK2
This is a good one.
Wind Staff
This is a good one.
Raygun MK3
This is a good one.
Paralyzer
This is a good one.
Katana
This is a good one.
Jet Gun
This is a good one.
Winter's Howl (BO4)
This is a good one.
Magmagat
This is a good one.
Wunderwaffe
This is a good one.
Nunchucks
This is a good one.
Acidgat
This is a good one.
Smiley
This is a good one.
Scavenger
This is a good one.
VR11
This is a good one.
Raygun
This is a good one.
Lightning Staff
This is a good one.
Ben Franklin
This is a good one.


Posted by Hasan on August 22, 2021
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Posted by Hasan on January 4, 2019


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1 // Copyright 2008, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 // 31 // Low-level types and utilities for porting Google Mock to various 32 // platforms. All macros ending with _ and symbols defined in an 33 // internal namespace are subject to change without notice. Code 34 // outside Google Mock MUST NOT USE THEM DIRECTLY. Macros that don't 35 // end with _ are part of Google Mock's public API and can be used by 36 // code outside Google Mock. 37 38 // GOOGLETEST_CM0002 DO NOT DELETE 39 40 #ifndef GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_ 41 #define GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_ 42 43 #include <assert.h> 44 #include <stdlib.h> 45 #include <iostream> 46 47 // Most of the utilities needed for porting Google Mock are also 48 // required for Google Test and are defined in gtest-port.h. 49 // 50 // Note to maintainers: to reduce code duplication, prefer adding 51 // portability utilities to Google Test's gtest-port.h instead of 52 // here, as Google Mock depends on Google Test. Only add a utility 53 // here if it's truly specific to Google Mock. 54 55 #include "gtest/internal/gtest-linked_ptr.h" 56 #include "gtest/internal/gtest-port.h" 57 #include "gmock/internal/custom/gmock-port.h" 58 59 // For MS Visual C++, check the compiler version. At least VS 2003 is 60 // required to compile Google Mock. 61 #if defined(_MSC_VER) && _MSC_VER < 1310 62 # error "At least Visual C++ 2003 (7.1) is required to compile Google Mock." 63 #endif 64 65 // Macro for referencing flags. This is public as we want the user to 66 // use this syntax to reference Google Mock flags. 67 #define GMOCK_FLAG(name) FLAGS_gmock_##name 68 69 #if !defined(GMOCK_DECLARE_bool_) 70 71 // Macros for declaring flags. 72 # define GMOCK_DECLARE_bool_(name) extern GTEST_API_ bool GMOCK_FLAG(name) 73 # define GMOCK_DECLARE_int32_(name) \ 74 extern GTEST_API_ ::testing::internal::Int32 GMOCK_FLAG(name) 75 # define GMOCK_DECLARE_string_(name) \ 76 extern GTEST_API_ ::std::string GMOCK_FLAG(name) 77 78 // Macros for defining flags. 79 # define GMOCK_DEFINE_bool_(name, default_val, doc) \ 80 GTEST_API_ bool GMOCK_FLAG(name) = (default_val) 81 # define GMOCK_DEFINE_int32_(name, default_val, doc) \ 82 GTEST_API_ ::testing::internal::Int32 GMOCK_FLAG(name) = (default_val) 83 # define GMOCK_DEFINE_string_(name, default_val, doc) \ 84 GTEST_API_ ::std::string GMOCK_FLAG(name) = (default_val) 85 86 #endif // !defined(GMOCK_DECLARE_bool_) 87 88 #endif // GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_


Coming Soon!
Coming Soon!
Research
{% include meta.html %}
I am currently a research analyst at IBISWorld and have previously worked with Willamette Management Associates, UBS, and the Oxford Center for Entrepreneurs.
New York, NY
Let's chat!


Bed Sheet Assistant
Project Details:
- A Mechanical Design project as part of Mechanical Systems Design module at National University of Singapore (NUS)
- The main aim of this project was to come up with a 3D design of a product that would enhance the life of the aged
Design of Bed Sheet Assistant:
- A mechanical system to assist the elderly in changing their bed sheets on their own to help them lead a better healthier life.
- The design was done using Solidworks as shown below:
How Does Bed Sheet Assistant Work?
A. Roller Motion on Track:
- (top-left): An initial chord is drawn as the circle rolls forward and point P rolls on a flat plane to point P’;
- (top-right): Multiple points are placed on the circle at regular intervals and develop tooth-like profiles;
- (bottom-left): a roller is placed at each point to act as pinion teeth, modifying the tooth profile to create the rack teeth;
- (bottom-right): The modified circular design of the tooth profile allows two rollers to remain loaded in opposition at all times, thus ensuring a smooth and efficient rotary motion.
B. Bed Sheet Movement:
- Figure 2 above shows a part of the bed and how the bed sheet will move under the mattress with the help of the roller-track component
- The bed sheet, attached to the clip that is connected to the roller, moves under the mattress
- This allows the bed sheet to be tucked in from all the four sides
- The bed sheet always remains clipped to the roller, hence allowing it to be removed mechanically, through the action of the roller-track design
C. Operating the Bed Sheet Assistant:
- Open the flanks to expose the clip (attached to the rollers). Please see figure 3 below.
- Remove the 4 clipping components.
- Clip the two corners at one end of the bed sheet onto Clips numbered ‘2’ and the two corners on the other end of the bed sheet onto Clips numbered ‘1’.
- Once the power is turned on, the motors start and the rollers start moving. Rollers numbered ‘2’ move first along the curved path. This allows the bed sheet to go over the front corners (A and B) of the mattress (as shown in Figure 3)
- Once the rollers ‘2’ have reached the corners C and D of the mattress, rollers ‘1’ start moving. The motors are programmed suitably to perform the above operations automatically
- Once the bed sheet stops moving, turn off power switch and close the flanks (at points A, B)


Why String is immutable in Java
There are multiple reasons that String is designed to be immutable in Java. A good answer depends on good understanding of memory, synchronization, data structures etc.
Following are some of the reason for String to be immutable:
1) Requirement of String pool
String pool(String intern pool) is a special storage area in heap. When a string is created and if the String already exists in the pool, the reference of the existing string will be returned, instead of creating a new Object and returning its reference.
The following code will create only one String object in the heap
String s1 = "abcd";
String s2 = "abcd";
If String is not immutable, changing the String with one reference will lead to the wrong value for the other reference.
2) Allow String to cache its Hashcode
The hashcode of String is frequently used in Java, For example, in a Hashmap. Being immutable gurantees that hashcode will always the same, so that it can be cached without worrying the change. That means, there is no need to calculate hashcode everytime it is used.
3)Security
String is widely used as parameter for many Java classed, e.g. Network connection, opening files, etc. Were String not immutable, a connection or file would be changed and lead to serious security threat.
The method thought, it was connecting to one machine, but was not. Mutable Strings could cause security problem in Reflection too, as the parameters are Strings.
Here is a code example:
boolean connect(String s){
if(!isSecure()){
throw new SecurityException();
}
//here will cause problem, if s is changed before this by using other references.
causeProblem();
}


{% extends "base.html" %} {% block content %} {{message}} {% for post in businesses %} {{post.name}} Owner : {{post.user.username}} {{post.description}} {{post.email}} {{post.phone}} {% empty %} Not Found No business of that name exists in your location. BACK HOME {% endfor %} {% endblock %}
{{post.description}}
{{post.email}}
{{post.phone}}
No business of that name exists in your location.


|
Sakura 1.0
A library for loading and modifying Celeste maps.
|
Functions | |
| void | Save (std::ostream &out, std::map< std::string, int16_t > &reverseLookup, Element *e) |
| Saves an element to a file as binary data. Specifically designed for Celeste map data. More... | |
| void | Load (std::istream &in, std::vector< std::string > &lookup, Element *e) |
| Loads an element from a file made of binary data. Specifically designed for Celeste map data. More... | |
| void | SaveAttribute (std::ostream &out, std::map< std::string, int16_t > &reverseLookup, std::map< std::string, std::variant< int32_t, bool, float, std::string > >::iterator it, Element *e) |
| Saves an attribute from it's iterator (the key value) Uses a byte integer to identify the type of attribute 0:bool 1:uint8_t 2:uint16_t 3:uint32_t 4:float 5:lookup string (integer) 6: string 7: length encoded string. More... | |
| void | LoadAttribute (std::istream &in, std::vector< std::string > &lookup, Element *e) |
| Uses a byte integer to identify the type of attribute 0:bool 1:uint8_t 2:uint16_t 3:uint32_t 4:float 5:lookup string (integer) 6: string 7: length encoded string. More... | |
| uint8_t | GetType (std::map< std::string, std::variant< int32_t, bool, float, std::string > >::iterator it) |
| Detects the type of the std::any and gets it as a celeste compatible binary identifier (see LoadAttribute) More... | |
| Element * | Load (const std::string &filename) |
| Loads an element from a compatible file in the Celeste format. More... | |
| bool | Save (const std::string &filename, Element *element) |
| Saves an element to a celeste compatible XML file. More... | |
| void | CreateStringLookup (Element *element, std::vector< std::string > &lookup) |
| Creates a table of string names from an element. Includes the name of all children elements and attributes the contain. More... | |
| void Sakura::BinaryPacker::CreateStringLookup | ( | Element * | element, |
| std::vector< std::string > & | lookup | ||
| ) |
Creates a table of string names from an element. Includes the name of all children elements and attributes the contain.
| element | The base element to create a lookup table from. & |
| lookup | The vector to save to. |
| uint8_t Sakura::BinaryPacker::GetType | ( | std::map< std::string, std::variant< int32_t, bool, float, std::string > >::iterator | it | ) |
Detects the type of the std::any and gets it as a celeste compatible binary identifier (see LoadAttribute)
| it | The iterator for the std::any |
| Element * Sakura::BinaryPacker::Load | ( | const std::string & | filename | ) |
Loads an element from a compatible file in the Celeste format.
| filename | The file to load from |
| void Sakura::BinaryPacker::Load | ( | std::istream & | in, |
| std::vector< std::string > & | lookup, | ||
| Element * | e | ||
| ) |
Loads an element from a file made of binary data. Specifically designed for Celeste map data.
| in | The stream to load from |
| lookup | An integet to string lookup table for loading strings from integers. |
| e | The element to load to |
| void Sakura::BinaryPacker::LoadAttribute | ( | std::istream & | in, |
| std::vector< std::string > & | lookup, | ||
| Element * | e | ||
| ) |
Uses a byte integer to identify the type of attribute 0:bool 1:uint8_t 2:uint16_t 3:uint32_t 4:float 5:lookup string (integer) 6: string 7: length encoded string.
| in | The strema to load from. |
| lookup | The lookup table for loading strings from integers. |
| e | The element to load to. |
| bool Sakura::BinaryPacker::Save | ( | const std::string & | filename, |
| Element * | element | ||
| ) |
Saves an element to a celeste compatible XML file.
| filename | The file to save to. |
| element | The element to save to the file |
| void Sakura::BinaryPacker::Save | ( | std::ostream & | out, |
| std::map< std::string, int16_t > & | reverseLookup, | ||
| Element * | e | ||
| ) |
Saves an element to a file as binary data. Specifically designed for Celeste map data.
| out | The stream to save to |
| reverseLookup | A string to integer reverse lookup for the string table at the beginning of map files. |
| e | The element to save |
| void Sakura::BinaryPacker::SaveAttribute | ( | std::ostream & | out, |
| std::map< std::string, int16_t > & | reverseLookup, | ||
| std::map< std::string, std::variant< int32_t, bool, float, std::string > >::iterator | it, | ||
| Element * | e | ||
| ) |
Saves an attribute from it's iterator (the key value) Uses a byte integer to identify the type of attribute 0:bool 1:uint8_t 2:uint16_t 3:uint32_t 4:float 5:lookup string (integer) 6: string 7: length encoded string.
| out | The stream to save to |
| reverseLookup | The reverse lookup table for saving strings as integers. |
| it | The iterator for the current attribute being saved. |
| e | The element to save from. |


Comment class
Represents a comment submitted by an Author.
Constructors
Properties
String type #
The comment's type. This string value specifies a CommentType constant or a made up value like "registration".
Represents a comment submitted by an Author.
The comment's type. This string value specifies a CommentType constant or a made up value like "registration".


nabi
NcNa
Refers to the bees, their hive, and their honey.
(Entry on page 127 of printed dictionary)
nambara
NcMana
mangrove tree sp., Avicenniamarina. (rare, mostly songword).
Syn:
lhalgur (normal term).
(Entry on page 127 of printed dictionary)
namir
NAdj
expert, very good (hunter, singer, etc.).
HumSg:
namir-yung. Pl: nama-namir.
Syn:
abal, etc.
(Entry on page 128 of printed dictionary)
nawurunymir
NcAnaø
a marine fish, possibly snake-mackerel (chiefly songword in cluster involving yalabura, danymiri, etc., and precise denotation seems unclear to speakers). Cf. also warwada.
(Entry on page 128 of printed dictionary)
nuga
1
NcMana
2
NcAnaWu
3
NcAnaWu
or NcAnaø stone (useful implement); money (especially coins). 60.1.2. Parallel to wu-liba (s.v. liba).
nuga-mulumulubug
short stone.
For other forms as cpd. initial see =jalalaga-, =lha- 'to stand', lhardharg, =ma- 'to get', =mamalang, =lhalhara-, =murgulha-, =w1ala:lara-, =w1aladha-.
(Entry on page 128 of printed dictionary)


Priest Shegfield:
Cruma...
Where did you hear that name?
"It was mentioned in an old record of the Giants we recovered from the ruins of the Tower of Cruma."


Z3 is a high-performance SMT solver developed at Microsoft Research. It have been integrated with many many tools that came out from Microsoft for program analysis, testing, and verification.
SAT refers to Boolean satisfiability problem where we want to determine if there exists an interpretation that satisfies a given Boolean formula. In other words, it establishes if the variables of a given Boolean formula can be assigned in such a way as to make the formula evaluate to true.
SMT stands for Satiability Modulo Theories. SMT instance is a formula in first-order logic, where some functions and predicates have additional interpretations. SMT problem is a decision problem of determining whether such a formula is satisfiable or not.
An SMT instance is a generalization of a Boolean SAT instance in which various sets of variables are replaced by predicates over a suitable set of non-binary variables.
These predicates are classified according to the theory they belong to. For instance, linear inequalities over real variables are evaluated using the rules of the theory of linear real arithmetic.
The goal of an SMT solver is to determine whether an SMT instance can evaluate to true or not. The same analog applies for SAT solvers.
There is a lot of SMT solvers available but there is only one SMT solver with C# APIs, it is Z3. For a list of available SMT solvers, refer to this page.
You can download Z3 from http://z3.codeplex.com/ . I downloaded Z3 4.3.0 and extracted it to C:\z3.
In the following example we going to let Z3 solve the following equation system:
Solving the equations means finding values for x and y that make the whole formula evaluates to true.
using System;
using Microsoft.Z3;
namespace Z3Demo1
{
class Program
{
static void Main(string[] args)
{
using (Context ctx = new Context())
{
Expr x = ctx.MkConst("x", ctx.MkIntSort());
Expr y = ctx.MkConst("y", ctx.MkIntSort());
Expr zero = ctx.MkNumeral(0, ctx.MkIntSort());
Expr one = ctx.MkNumeral(1, ctx.MkIntSort());
Expr three = ctx.MkNumeral(3, ctx.MkIntSort());
Solver s = ctx.MkSolver();
s.Assert(ctx.MkAnd(ctx.MkGt((ArithExpr)x, (ArithExpr)zero), ctx.MkEq((ArithExpr)y,
ctx.MkAdd((ArithExpr)x, (ArithExpr)one)), ctx.MkLt((ArithExpr)y, (ArithExpr)three)));
Console.WriteLine(s.Check());
Model m = s.Model;
foreach (FuncDecl d in m.Decls)
Console.WriteLine(d.Name + " -> " + m.ConstInterp(d));
Console.ReadLine();
}
}
}
}
Now let’s run the code above and see the output. The solver says the equation system is satisfiable and then gives us the x and y values that satisfy.
To interact with Z3 through C#, you need a Context object. Variables and numerals in your equations are modeled as Expr objects. You get these objects using member functions in the Context object (MkConts(), MkNumeral(),….). You construct your operand using member functions in the Context object (MkGt(), MkAdd(), MkLt(),…). To solve all the equations together you need to hock them up using AND operator, which is implemented using Context.MkAnd(). After hocking everything in one AND, you pass that the solver through Solver.Assert(). And as you may guessed, you obtain this Solver using Context.MkSolver().
Solver.Check() will tell you whether this equation system can be solved or not. To get the variables’ assignments that the come up with, get a Model object Solver.Model. Then use the Delcs collection to get all symbols that have an interpretation in the model. Model.ConstInterp() will get the symbol assigned value.
In this post we briefly introduced SAT, SMT, and their solvers. Then we explored the only SMT solver that written in C# and had a C# API. Now you can play with as many equations as you want and check them for satisfiability and even got the solution values.


Average Case and Distributional Analysis of Dual-Pivot Quicksort
In this paper, we describe the most detailed mathematical analysis of dual-pivot Quicksort that is available in the literature:
- We compute exact average costs in the random-permutation model including Insertionsort for subarrays of size $n \le M$.
- We derive fixed-point equations for limit distributions of costs, and compute variances and covariances.
The results are discussed extensively (much more than in the conference version).
Relation to Other Papers
A shorter conference version was presented at ESA 2012.
This paper does not cover pivot sampling, since then the explicit solution of the recurrence of costs is no longer possible; we computed the leading-terms of asymptotic approximation of costs in a separate paper.
Intended Audience
algorithms experts, mathematically inclined computer scientists.


Travel and Aviation Consulting
We are a company that offers design and build services for you from initial sketches to the final construction.
We are a company that offers design and build services for you from initial sketches to the final construction.
We are a company that offers design and build services for you from initial sketches to the final construction.
We are a company that offers design and build services for you from initial sketches to the final construction.
We are a company that offers design and build services for you from initial sketches to the final construction.
We are a company that offers design and build services for you from initial sketches to the final construction.
We are a company that offers design and build services for you from initial sketches to the final construction.
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We were amazed by how little effort was required on our part to have Consulting WP prepare these materials. We exchanged a few phone calls and e-mails, and they� handled the rest.


Plugin Information |
|---|
View couchdb-statistics on the plugin site for more information. |
Older versions of this plugin may not be safe to use. Please review the following warnings before using an older version:
CouchDB Statistics plugin allows the publishing of all build statistics to CouchDB/Cloudant.
Installation Instructions
The plugin configuration is done under Manage Jenkins
> Configure System
.
Change Log
Version 0.2.1 (4th December 2015)
- Converted password field to a 'password' box.
Version 0.2 (3rd December 2015)
- Initial Release
- Supports basic parameters, e.g. jobName, duration, buildNumber, timestamp, status
Attachments:
couch-stats-config.png (image/png)


Frontend Developer with a demonstrated history of working in the
computer software industry. Skilled in JavaScript, ReactJS, React Native, Redux,
CSS, and HTML. Outside of work you'll find me cycling the streets of London or hunkered down at home playing
video games.
Frontend Developer -
OVO Energy
April 2018 - Present
As a Frontend Developer at OVO Energy I work as part of a team to
acquire new customers and retain current customers through our
Acquisition and Renewal flows. I work primarily with AngularJS and
ReactJS, both of which leverage the TypeScript library in order to
create safer code.
Some projects I have worked on include:
-
Migration of the OVO acquisition frontend from AngularJS to ReactJS.
-
73% decrease in time to interactive.
-
36% reduction in Javascript package size.
-
98% reduction in css package size.
-
Migration of team applications to a new AWS account.
-
Terraforming frontend application Infrastructure
-
Migration to CircleCI as application build pipeline ( away from
GoCD )
-
Implementation of new renewal frontend designs
- 10% increase in number of customers renewing their plans.
September 2016 - April 2018
As a UI Developer at Playtech I work extensively with data heavy
customer facing React.JS applications. My team follow the scrum
methodology with week long sprints and daily stand-up meetings to
inform others on work done. As part of my team I carry out daily code
reviews to ensure quality of code across all applications is
maintained.
Some projects I have worked on:
-
Implemented localised date and number formatting for clients using
the react-intl library. This feature greatly improved the user
experience for clients located outside the United Kingdom.
-
Developed a native fetch component to handle all of the applications
api requests, thus removing any need for JQuery in our build.
-
Successfully reworked our redux store to be used across all
applications instead of using separate stores for each application.
This greatly simplified our codebase and cut down on a lot of
duplicate code.
September 2011 - June 2016
BSc Computer Science


Overview
Classes: AbstractMetaObject, ClassLoader, Iterator, Iterator, LibraryInfo, Manifest, ManifestBase, MetaObject, MetaSingleton, SharedLibrary
Classes
class AbstractMetaObject
A MetaObject stores some information about a C++ class.
class ClassLoader
The ClassLoader loads C++ classes from shared libraries at runtime.
class Iterator
The ClassLoader's very own iterator class.
class Iterator
The Manifest's very own iterator class.
struct LibraryInfo
class Manifest
A Manifest maintains a list of all classes contained in a dynamically loadable class library.
class ManifestBase
ManifestBase is a common base class for all instantiations of Manifest.
class MetaObject
A MetaObject stores some information about a C++ class.
class MetaSingleton
A SingletonMetaObject disables the create() method and instead offers an instance() method to access the single instance of its class.
class SharedLibrary
The SharedLibrary class dynamically loads shared libraries at run-time.


| About Dailyrotten |
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Feedback
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do send your feedback.
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News page. Of course that was the day after the WTC attacks, so that number is
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every day.
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June 20, 2003
Iranian self-immolation in Paris, London
CNN | Submitted by: poorjon
"Iranians in Paris and London set themselves on fire Wednesday to protest a French government crackdown on Iranian dissidents opposed to religious rule in Tehran, police in both cities said. Two Iranian women and a man set themselves on fire in Paris." With video.
|
|
Read article... and
This... and
This...
|
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U.S. forces in Iraq ignoring Geneva conventions
Mirror | Submitted by: Porcus the Wombat
"Sergeant First Class John Meadows summed up the prevailing attitude amongst his colleagues telling the Evening Standard that Iraqi fighters were dressed in civilian clothes.   Killing them first and getting home.' ... Describing the scene during combat Richardson admitted shooting injured soldiers and leaving them to die. He said: 'Shit, I didn't help any of them. I wouldn't help the fuckers.  And there were some you double-tapped.' Making a shooting sign with his hand he went on: 'Once you'd reached the objective, and once you'd shot them and you're moving through, anything there, you shoot again. You didn't want any prisoners of war.'"
|
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Read article...
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Senator Hatch violating software copyrights
Wired | Submitted by: chris
"Sen. Orrin Hatch (R-Utah) suggested Tuesday that people who download copyright materials from the Internet should have their computers automatically destroyed. But Hatch himself is using unlicensed software on his official website, which presumably would qualify his computer to be smoked by the system he proposes."
|
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Read article...
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'Helter Skelter' still popular with today's killers
Court TV | Submitted by: Tim Howard
"Four teenagers charged with beating a 16-year-old boy to death plotted the killing for weeks and listened to the Beatles song 'Helter Skelter' several dozen times before the murder, according to an alleged confession read in court. ... According to Dominic Coia's alleged confession, the youths listened to 'Helter Skelter' 42 times and had a 'group hug' immediately after the killing." [42 times? Group hug?]
|
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Read article...
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Naked, decapitated corpse discovered near Castle Frankenstein
Reuters | Submitted by: poorjon
"German police were investigating the discovery of a headless body near castle Frankenstein in Germany. The medieval castle was the birthplace in 1673 of Johann Konrad Dippel von Frankenstein, a controversial alchemist famous for his avid interest in the creation of artificial life. He was also rumored to have experimented with human body parts. Local police dismissed suggestions of any link between the castle, a popular tourist attraction among gothic thrill-seekers, and the decapitated man as 'absurd.'"
|
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Read article...
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Gun brandished over Internet porn
CNN | Submitted by: Bobby Futfacker
"A city firefighter has been accused of pointing a gun at his wife when she tried to stop him from watching Internet pornography. ... Oakland County Chief Deputy Prosecutor Deborah Carley said Washington's wife confronted him after finding him viewing a pornographic Web site for the second time in as many days. 'She was especially upset because he was accessing the site while the children were asleep in the same room,' Carley said. 'She told him she was going to cut the cable to the computer and went to get scissors. He got a gun and pointed it at her temple.'"
|
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Read article...
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Ex-cop, wife ran rape video business
KXAS-TV 5 Dallas | Submitted by: Tim Howard
"A former Dallas police officer and his wife have been indicted on federal charges of selling videotapes depicting rapes, authorities said. Garry Layne Ragsdale, 34, and Tamara Michelle Ragsdale, 32, who live in Fort Worth, were indicted in March on one count of conspiracy to mail obscene material and two counts of mailing obscene material and aiding and abetting. The indictment was unsealed Wednesday, according to the U.S. Attorney's Office in Dallas. ... Authorities said that from April to July 1998, the couple ran a business called G Rags Inc. and had an Internet site offering videotapes showing rape scenes, including the 'Real Rape Video Series' and 'Brutally Raped Video Series.'"
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Read article...
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Pedophile flattened by car
Sun | Submitted by: Hans Krule
"A child molester has been crushed to death under his own car -- sparking celebrations among his neighbours. Paedophile George Nicholson, 63, had convictions for sex attacks on a string of boys as young as nine and was loathed by everyone living near him. They organised petitions urging him to move but he refused. He died when a ramp holding up his car gave way as he worked beneath it. ... One neighbour in Whickham, Tyne and Wear, said: 'Nobody around here will be at all sorry he is dead.'"
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Read article...
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Bicyclist jailed for flashing anus
San Antonio Express-News | Submitted by: Tim Howard
"On Tuesday evening, the 52-year-old man, who recently gained notoriety for riding his bicycle around his South Side neighborhood in only a black thong, was arrested for stripping down to a sack. While the thong covered the body parts required by law, the genitals and anus, the tan bag around his genitals left his anus exposed, according to a police report. 'He sat off of the bike seat and exposed his anus to the vehicles behind him,' the arresting officer stated in his report. ... Gottschalk received international media attention after the San Antonio Express-News wrote of his habit of riding around Southside Lions Park. Last month 'Thong Man' was named grand marshal of a parade of thong-wearers vying for free Spurs playoff tickets."
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Read article...
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Passenger jet still missing in Africa
ABC TV affiliates | Submitted by: optional
"Despite the use of satellites to scour the African landscape, and a request to all African embassies for information, U.S. officials said they still have no clue about the plane's location. 'We don't have any reliable assessments about what this portends, what it could be, who may be behind it,' said White House spokesman Ari Fleischer. ... Most intelligence officials believe the plane was stolen to run drugs or guns, or as part of an insurance scam. However, they have not ruled out the possibility the plane is in the hands of terrorists -- perhaps plotting to target U.S. embassies in Africa."
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Read article...
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10 people, aged between 15 and 29, charged on suspicion of dealing heroin and crack cocaine on Lancashire's streets
Ten people have been charged after an investigation into organised drug dealing in Lancashire.
by Matthew CalderbankIt follows police raids on homes across Accrington, Chorley, Blackpool, Great Harwood and Skelmersdale, on Tuesday and Friday of last week.
The raids were part of Operation Sark, an investigation into organised drug gangs operating across Lancashire.
Eleven people were arrested on suspicion of drugs offences, including a suspect aged just 15.
Ten of the suspects have since been charged with conspiracy to supply heroin and crack cocaine.
They are as follows:
Amar Hussain, 28, of Higher Antley Street, Accrington. He has been remanded in custody.
Jacob Fisher, 21, of James Avenue, Great Harwood. He has been remanded in custody.
Naomi Winter, 29, of no fixed address. She has been remanded in custody.
Thomas Edwards, 23, of Dickens Road, Coppull. He has been remanded in custody.
Ella Smith, 20, of Dickens Road, Coppull. She has been bailed.
A 17-year-old boy from Blackpool. He has been bailed.
A 17-year-old boy from Accrington. He has been bailed.
A 15-year-old boy from Accrington. He has been bailed.
Aleem Mahmood, 27 of Richmond Hill St, Accrington. He has been bailed.
Bilal Yousaf, 25 of Garbett St, Accrington. He has been bailed.
READ MORE: New Blackpool police team to take on drug dealers
A 45-year-old man from Accrington was arrested on suspicion of conspiracy to supply heroin and crack cocaine, but has since been released without charge.
DS Martin Kennedy of East CID, said: "Organised crime, including the supply of drugs, blights our communities and puts ordinary law-abiding people at risk.
"We remain committed to taking drugs off our streets and pursing those suspected to be involved in illegal activity.
"I would urge our communities to work with us on identifying those responsible for this type of activity so that we can continue to keep our communities safe.
"Intelligence from members of the public is key in operations like this and I would appeal to anyone who has information that could assist, to get in touch."
Anyone who suspects drugs being dealt in their area can contact police on 101.
Alternatively, independent charity Crimestoppers can be contacted anonymously on 0800 555111 or online at crimestoppers-uk.org.


'The Kelly Clarkson Show' renewed for Season 2
by Karen ButlerNov. 18 (UPI) -- NBCUniversal said Monday it has renewed The Kelly Clarkson Show for a second season to air in 2020-21.
The hourlong, syndicated daytime show debuted Sept. 9.
"The Kelly Clarkson Show is connecting with viewers in a unique way and we are so happy to build on that momentum, bringing Kelly's brand of humor, heart, and, of course, the incredible 'Kellyoke,' to stations for a second season," Tracie Wilson, executive vice president of creative affairs for NBCUniversal Television Distribution, said in a statement.
"It is a privilege to be in business with Kelly and our production team, led by Alex Duda, who have a clear creative vision and a talent for storytelling and creating quality entertainment that invites you in for a good time and leaves you feeling happy."
Clarkson, 37, began her career as the first winner of the singing competition series American Idol. She is a Grammy-winning, chart-topping music artist and occasional coach on The Voice.


Hello, World!
Compile
#include<iostream>
using namespace std;
int main(){
cout << "zzz" << endl;
return 0;
}
step1: 開啟CodeBlocks
方法: 點擊桌面圖示
方法: 如圖
注意：副檔名必須是".cpp"
#include<iostream> // 加入一些功能
using namespace std;
int main(){ //程式從這裡開始
cout << "Hello, World" << endl; //印出""裡的字並換行
// 這是註解
/*這也是註解*/
return 0; //程式結束
}
按下F9
Variables
int a = 1; //宣告"整數"型態變數a
int b = 2;
b = a + b;
cout << a << endl;
cout << b << endl;
array
char answer[4]; //宣告4個儲存char的空間
answer[0] = 'A'; //將 'A' 存入 answer[0]
answer[1] = 'B';
answer[2] = 'C';
answer[3] = 'D';
你也可以這樣做
宣告陣列時順便存入變數值(初始化)
char answer[4] = {'A','B','C','D'};
多維陣列
char answer[3][4]; //宣告 3 x 4 個儲存char的空間
answer[0][0] = 'A'; //將 'A' 存入 answer[0][0]
多維陣列的初始化
char answer[3][4] =
{
{'A', 'B', 'C', 'D'},
{'B', 'C', 'D', 'A'},
{'C', 'D', 'A', 'B'}
};
Condition
if(林俊傑得金曲獎){
晚餐吃美式漢堡 //林俊傑得
}
else if(黃明志得金曲獎){
晚餐吃Donyum喝喝椰奶 //黃明志得
}
else{
吃水餃配貢丸湯 //兩個都沒得
}
| 符號 | 意義 |
|---|---|
| < | 小於 |
| <= | 小於等於 |
| > | 大於 |
| >= | 大於等於 |
| == | 等於 |
| != | 不等於 |
int a = 5; //不一定要是 5, 也可以是其他數字
if(a > 7){
cout << "a > 7" << endl;
}
else{
cout << "a <= 7" << endl;
}
int a = 92; //不一定要是 92, 也可以是其他數字
if(633 < a){
if(a < 689){
cout << "633 < a and a < 689";
}
}
int a = 92; //不一定要是 92, 也可以是其他數字
if(633 < a && a < 689){ //絕對不可以寫 if(633 < a < 689) !!!
cout << "633 < a and a < 689";
}
Loop
while & for
while
while(條件){...}
while(還沒睡飽){
睡覺 //會一直睡到睡飽為止
}
int age = 0;
while(age < 18){
cout << "我不用負全部的刑事責任" << endl;
age++; // age++ 就是 age = age + 1 的意思
}
for
for(初始值;條件;改變值){...}
for(int age = 0; age < 18 ; age++){
cout << "我不用負全部的刑事責任" << endl;
}
輸出電話號碼
int phoneNumber[3][10] = //宣告 3 x 10 個儲存int的空間並初始化為
{
{0, 9, 3, 9, 5, 5, 5, 7, 7, 7}, //第1組號碼
{0, 9, 8, 7, 1, 2, 3, 4, 5, 6}, //第2組號碼
{0, 9, 7, 8, 6, 5, 4, 3, 2, 1} //第3組號碼
};
for(int i = 0; i < 3; i++)
{
for(int j = 0; j < 10; j++)
{
cout << phoneNumber[i][j];
}
cout << endl;
}
function
y = f(x)
階乘 Factorial
int factorial(int n) //輸出型態為 int 輸入型態亦為 int
{
int result = 1;
for(int i=1;i<=n;i++)
{
result = result * i;
}
return result;
}
使用 Factorial 函式
int main()
{
int fact;
fact = factorial(5);
cout << fact; //print 120
fact = factorial(7);
cout << fact; //print 5040
fact = factorial(10);
cout << fact; //print 3628800
return 0;
}
If you have any problem,
ask powerful team-leaders and teaching group : )
在黑白視窗中印出圖案
c++只能在黑白視窗底下做事嗎？
當然不是
打開 breaduino_bt.ino
go through
擴充ATTiny的pin
如何寫入output?
mcp.digitalWrite(pin index, HIGH/LOW)
Seven-Section Display pins
A~G : mcp 的 0~6
位於setup()和loop()中
使用單位為 ms
delay(1000) 為延遲 1s
可以調整 delay 的時間
打開 breaduino_bt 中的 breaduino_bt.ino
上傳 arduino code 到 breaduino
If you have any problem,
ask powerful team-leaders and teaching group : )
Created by Hakim El Hattab / @hakimel
reveal.js enables you to create beautiful interactive slide decks using HTML. This presentation will show you examples of what it can do.
Slides can be nested inside of each other.
Use the Space key to navigate through all slides.
Nested slides are useful for adding additional detail underneath a high level horizontal slide.
That's it, time to go back up.
Not a coder? Not a problem. There's a fully-featured visual editor for authoring these, try it out at http://slides.com.
Press ESC to enter the slide overview.
Hold down alt and click on any element to zoom in on it using zoom.js. Alt + click anywhere to zoom back out.
Presentations look great on touch devices, like mobile phones and tablets. Simply swipe through your slides.
Hit the next arrow...
... to step through ...
... a fragmented slide.
There's different types of fragments, like:
grow
shrink
fade-out
current-visible
highlight-red
highlight-blue
You can select from different transitions, like:
None -
Fade -
Slide -
Convex -
Concave -
Zoom
reveal.js comes with a few themes built in:
Black (default) -
White -
League -
Sky -
Beige -
Simple
Serif -
Blood -
Night -
Moon -
Solarized
Set data-background="#dddddd"
on a slide to change the background color. All CSS color formats are supported.

Different background transitions are available via the backgroundTransition option. This one's called "zoom".
Reveal.configure({ backgroundTransition: 'zoom' })
You can override background transitions per-slide.

function linkify( selector ) {
if( supports3DTransforms ) {
var nodes = document.querySelectorAll( selector );
for( var i = 0, len = nodes.length; i < len; i++ ) {
var node = nodes[i];
if( !node.className ) {
node.className += ' roll';
}
}
}
}
Code syntax highlighting courtesy of highlight.js.
| Item | Value | Quantity |
|---|---|---|
| Apples | $1 | 7 |
| Lemonade | $2 | 18 |
| Bread | $3 | 2 |
These guys come in two forms, inline:
“The nice thing about standards is that there are so many to choose from”
and block:
“For years there has been a theory that millions of monkeys typing at random on millions of typewriters would reproduce the entire works of Shakespeare. The Internet has proven this theory to be untrue.”
You can link between slides internally, like this.
There's a speaker view. It includes a timer, preview of the upcoming slide as well as your speaker notes.
Press the S key to try it out.
Presentations can be exported to PDF, here's an example:
Set data-state="something"
on a slide and "something"
will be added as a class to the document element when the slide is open.
Additionally custom events can be triggered on a per slide basis by binding to the data-state
name.
Reveal.addEventListener( 'customevent', function() {
console.log( '"customevent" has fired' );
} );
Press B or . on your keyboard to pause the presentation. This is helpful when you're on stage and want to take distracting slides off the screen.
-->


Data packages submitted to Bioconductor
RTCGA
family:Windows users:
Make sure you have rtools installed on your computer.
# packages that are published to devel version of Bioconductor
BiocInstaller::useDevel() # swiches to devel branchof Bioconductor - don't use this line if you are interested in release versions
source("https://bioconductor.org/biocLite.R") # downloads bioClite function
| package | installation | help | vignettes |
|---|---|---|---|
| RTCGA.rnaseq | biocLite('RTCGA.rnaseq') |
?rnaseq |
browseVignettes('RTCGA.rnaseq') |
| RTCGA.clinical | biocLite('RTCGA.clinical') |
?clinical |
browseVignettes('RTCGA.clinical') |
| RTCGA.mutations | biocLite('RTCGA.mutations') |
?mutations |
browseVignettes('RTCGA.mutations') |
| RTCGA.mRNA | biocLite('RTCGA.mRNA') |
?mRNA |
browseVignettes('RTCGA.mRNA') |
| RTCGA.miRNASeq | biocLite('RTCGA.miRNASeq') |
?miRNASeq |
browseVignettes('RTCGA.miRNASeq') |
| RTCGA.PANCAN12 | biocLite('RTCGA.PANCAN12') |
?pancan12 |
browseVignettes('RTCGA.PANCAN12') |
| RTCGA.RPPA | biocLite('RTCGA.RPPA') |
?RPPA |
browseVignettes('RTCGA.RPPA') |
| RTCGA.CNV | biocLite('RTCGA.CNV') |
?CNV |
browseVignettes('RTCGA.CNV') |
| RTCGA.methylation | biocLite('RTCGA.methylation') |
?methylation |
browseVignettes('RTCGA.methylation') |
# version of packages held at github.com/RTCGA - I try to keep them with the same state as devel versions of Bioconductor
library(RTCGA)
installTCGA("RTCGA.PANCAN12")
installTCGA("RTCGA.CNV")
installTCGA("RTCGA.RPPA")
installTCGA("RTCGA.mRNA")
installTCGA("RTCGA.miRNASeq")
installTCGA("RTCGA.methylation")
# or for all just type installTCGA()
Packages from the RTCGA.data
- family/factory are based on the RTCGA
package
RTCGA
package:To get started, install the latest version of RTCGA from Bioconductor:
BiocInstaller::useDevel() # swiches to devel branch of Bioconductor
source("https://bioconductor.org/biocLite.R") # downloads bioClite function
biocLite("RTCGA") # installs a package
or use below code to download the development version which is like to be less bugged than the release version on Bioconductor:
if (!require(devtools)) {
install.packages("devtools")
require(devtools)
}
install_github("RTCGA/RTCGA", build_vignettes = TRUE)
To check Use Cases run
browseVignettes("RTCGA")
Marcin Kosiński<EMAIL_ADDRESS>Przemysław Biecek<EMAIL_ADDRESS>Witold Chodor<EMAIL_ADDRESS>This repository is synchronized with it's Bioconductor's SVN devel mirror.
boxplotTCGA
checkTCGA
convertTCGA
(convertPANCAN12)datasetsTCGA
downloadTCGA
expressionsTCGA
heatmapTCGA
infoTCGA
installTCGA
kmTCGA
mutationsTCGA
pcaTCGA
readTCGA
RTCGA-package
(RTCGA)survivalTCGA
theme_RTCGA


huddle
Businessmodel of Huddle
Customer Segments
Huddle has a segmented market business model, with slight differences between its customer segments. Its customer groups are as follows:
- Businesses/Enterprises
- Accounting and Professional Services Firms
- Government and Public Sector Agencies ### Value Proposition
Huddle offers four primary value propositions: cost reduction, risk reduction, accessibility, and brand/status.
The company’s cloud-based platform lowers costs in a variety of ways. It eliminates the need for hardware to host systems, getting rid of upfront and maintenance costs. It also minimizes the need for internal resources to maintain collaboration software. Further, it reduces licensing expenses by offering a monthly subscription model.
The company’s platform lowers risk by enabling users to dictate who can access which files. This feature increases security for customers, which has made it particularly attractive to banks.
The company’s platform increases accessibility by offering seamless integration with other systems such as SalesForce, SharePoint, and Microsoft Office. Beyond those well-known brands, Huddle has partnered with other applications to facilitate integration, including Nelogin, Okta, and Centrify.
The company has built a strong brand as a result of its popularity. It is used by over 160,000 organizations, including major clients such as Panasonic Europe, KPMG, Procter & Gamble, Kia Motors, Keolis, National Grid, AKQa, Go-Ahead Group and Beats by Dre. Its customer base includes 80% of central UK government divisions, including the Department of Energy & Climate Change, the Ministry of Justice, and the Cabinet Office. Finally, Huddle has received many honors. These include recognition as 2013’s “Emerging Star of the Year” (UK Tech Awards) and 2013’s “Supplier of the Year” for Enterprise Software (Computer Weekly’s European User Awards).
Channels
Huddle’s main channel is its direct sales team, through which it acquires most of its customers. It also utilizes resellers and system integrators. The company promotes its offering through its website and social media pages.
Customer Relationships
Huddle’s customer relationship is primarily of a self-service nature. Customers utilize the service through the main platform while having limited interaction with employees. The company’s website includes a “Huddle Help” section with useful “how-to” articles and training webinars. There is also a “Resources” section featuring white papers, case studies, and industry reports. That said, there is also a strong personal assistance component in the form of phone and e-mail support and the option of paid on-site training and user workshops.
Key Activities
Huddle’s business model entails maintaining and updating its software platform for customers. The platform includes its website and mobile apps for iPhone, iPad, and Android.
Key Partners
Huddle maintains the following three partner programs:
Channel Partners – The company works with organizations such as resellers, system integrators, and telecommunications firms to help them integrate and distribute its software into their existing solutions and channels.
Technology Partners – The company works with developers and technology companies so they can use its API to develop innovative new tools and mash-ups.
Referral Partners – The company works with organizations (primarily resellers and independent software vendors) to promote its offering in their channels. Partners receive a commission for customers who make a purchase as a result of the referral.
Key Resources
Huddle’s main resource is its proprietary software platform, used by more than 160,000 customers. It also depends on its human resources in the form of technology staff members for maintaining the platform, sales staffers for selling the solution, and customer service workers for providing support. Lastly, as a start-up it has relied heavily on funding from outside parties, raising $89.2 million from seven investors as of December 2014.
Cost Structure
Huddle has a cost-driven structure, aiming to minimize expenses through significant automation and low-price value propositions. Its biggest cost driver is likely customer support/operations, a fixed cost. Other major drivers are in the areas of administration and sales/marketing, also fixed costs.
Revenue Streams
Huddle has two revenue streams:
Subscription Revenues – The company charges monthly access fees for its platform
Service Revenues – The company offers professional services that enable companies to get the most out of their usage
Huddle offers the following pricing options:
Workgroup – Starts at 25 users and includes 100 GB storage with a 2 GB maximum file size and 25 Team Workspaces; charge is $20 per user per month
Enterprise – Starts at 100 users and includes 1 TB storage with a 10 GB maximum file size and unlimited Team Workspaces; charge is $40 per user per month
Accounting and Professional Services – Includes secure, cloud-based workspaces, client engagement portals, and ISO 27001 certified data centers; sales team must be contacted for pricing
Government and Public Sector – Includes U.S. or UK data sovereignty through ISO 27001 certified data centers, FedRamp ATO (U.S.), and Cyber Essentials Plus Certified (UK); sales team must be contacted for pricing


A credential-on-file (COF) transaction is a card transaction where the cardholder allows the merchant to store the card credentials permanently for future usage.
Such transactions and the storage of the credentials are regulated by the card schemes (e.g. Visa, Mastercard) and have to follow some rules.
The main purpose of these rules is to enable an easy identification of credential's storage and its further use in subsequent transactions. This will ensure more appropriate processing of payment transactions, better authorization approval rates and increase in number of successfully completed commercial orders.
Prior to storing any payment card related credentials a merchant or its agent, payment facilitator or staged digital wallet operator have to establish a consent with the cardholder.
Each transaction using credential-on-file has to be flagged correctly in the payment transactions sent to the card schemes.
It will be distinguished between cardholder initiated transactions (CIT) and merchant initiated transactions (MIT).
Even if the credentials are stored and don't have be provided again, cardholder initiated transactions will always be triggered by the cardholder, e.g. shopping with a One-Click payment account.
Merchant initiated transactions will always be triggered by the merchant and don't require the cardholder to be available, e.g. subsequent payments in a subscription model.
In addition to the initiator of the transaction it has to be flagged if a payment transaction is the initial one using the credential-on-file or a subsequent one.
Subsequent payment transactions have to reference the initial transaction.
The following use cases are affected by the credential-on-file requirements.
A cardholder can create an account with the merchant and place the card credentials for future shopping. With every shopping session the cardholder can select the preferred card from the merchant account and initiate a payment for a purchase without entering the card details again (apart from the CVV). Combined with the storage of preferred shipping and billing addresses in the merchant account the simplified checkout is often called one-click checkout.
One-Click payments are always cardholder initiated transactions (CIT) no matter if it is the initial or subsequent transaction with the shop.
This use case describes recurring payments with a fixed schedule and a fixed amount.
A typical example would be a subscription with a merchant for a specific service or product, e.g. a subscription for the usage of a mobile app, where the same amount is collected by the merchant on the first day of each month.
The initial transaction always has to be cardholder initiated (CIT) as this is typically the time the cardholder gives the consent for such scheduled recurring agreement.
All subsequent transactions will be merchant initiated (MIT).
Some card schemes (e.g. Visa, Mastercard) return a special identifier in the authorization response of an initial recurring transaction. This identifier has then to be provided with each subsequent transaction initiated by the merchant.
|
In conjunction with 3DS 2.0 even a zero amount card check combined with a 3DS authentication can be used as the initial recurring scheduled transaction, as long as the first subsequent transaction initiated by the mechant is referencing the initial card check. Note that a 3DS 2.0 authentication for recurring transactions always requires a strong customer authentication (SCA) and therefore does not support the frictionless flow. |
This use case describes recurring payments without any fixed schedule and a fixed amount. The cardholder signs an agreement with the merchant that the merchant is allowed to charge the card whenever any usage of a service or product occurs. The exact amount and the time when the card will be charged is not known at this point.
A typical example would be video-on-demand agreement where the card will be charged whenever a new video will be booked.
The initial transaction always has to be cardholder initiated (CIT).
All subsequent transactions will be merchant initiated (MIT).
Some card schemes (e.g. Visa, Mastercard) return a special identifier in the authorization response of an initial recurring transaction. This identifier has then to be provided with each subsequent transaction initiated by the merchant.
|
In conjunction with 3DS 2.0 even a zero amount card check combined with a 3DS authentication can be used as the initial recurring unscheduled transaction, as long as the first subsequent transaction initiated by the mechant is referencing the initial card check. Note that a 3DS 2.0 authentication for recurring transactions always requires a strong customer authentication (SCA) and therefore does not support the frictionless flow. |
Installment payments are recurring payments following a pre-defined installment plan, where the customer choses to pay a purchase with a number of partial payments over a pre-defined period of time.
The customer might have to pay some additional fees for such model.
| Installments are currently not supported by the Concardis Payengine! |


TCLab: Temperature Control Laboratory¶
TCLab
provides a Python interface to the
Arduino Temperature Control Lab
over a USB interface. TCLab
is implemented as a Python class within
the tclab
package that also includes:
clock
A Python generator for soft real-time implementation of process control algorithms.Historian
A Python class to log results of a process control experiment.Plotter
Provides an historian with real-time plotting within a Jupyter notebook.TCLabModel
An embedded model of the temperature control lab for off-line and faster-than-realtime simulation of process control experiments. No hardware needs to be attached to useTCLabModel
.
The necessary Arduino firmware for device operation is available at the TCLab-Sketch repository.
The Arduino Temperature Control Lab is a modular, portable, and inexpensive solution for hands-on process control learning. Heat output is adjusted by modulating current flow to each of two transistors. Thermistors measure the temperatures. Energy from the transistor output is transferred by conduction and convection to the temperature sensor. The dynamics of heat transfer provide rich opportunities to implement single and multivariable control systems. The lab is integrated into a small PCB shield which can be mounted to any Arduino or Arduino compatible microcontroller.
Installation¶
Install using
pip install tclab
To upgrade an existing installation, use the command
pip install tclab --upgrade
To install the development version, use the command
pip install --upgrade https://github.com/jckantor/TCLab/archive/development.zip
Hardware setup¶
Plug a compatible Arduino device (UNO, Leonardo, NHduino) with the lab attached into your computer via the USB connection. Plug the DC power adapter into the wall.
(optional) Install Arduino Drivers
If you are using Windows 10, the Arduino board should connect without additional drivers required.
Mac OS X users may need to install a serial driver. For arduino clones using the CH340G, CH34G or CH34X chipset, a suitable driver can be found here or here.
(optional) Install Arduino Firmware
TCLab
requires the one-time installation of custom firmware on an Arduino device. If it hasn’t been pre-installed, the necessary firmware and instructions are available from the TCLab-Sketch repository.
Checking that everything works¶
Execute the following code
import tclab
tclab.TCLab().T1
If everything has worked, you should see the following output message
Connecting to TCLab
TCLab Firmware Version 1.2.1 on NHduino connected to port XXXX
21.54
The number returned is the temperature of sensor T1 in °C.
Next Steps¶
The notebook directory provides examples on how to use the TCLab module and which provides documentation.
Course Websites¶
More information, instructional videos, and Jupyter notebook examples are available at the following course websites.
- Arduino temperature control lab page on the BYU Process Dynamics and Control course website.
- CBE 30338 for the Notre Dame Chemical Process Control course website.


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Apple 32 SuperMicros
A Tradition of Innovation
The Apple 32™ SuperMicros were created by the company that invented the personal computer.
Apple Computer.
Of course, other comanies have since come out with personal computers. But our starting points are really very different.
Because we believe that a computer system should start with people.
That means computer so useful, everyone wants what they can do. So easy to use, anyone can take advantage of their capabilities. And so affordable, anyone can own one.
But how did Apple do it?
By developing a new technology — we call it Lisa Technology — that encompasses a wide range of hardware and software breakthroughs.
Now those breakthroughs are yours in a unique family of microcomputers. Computers that continue a tradition of innovation.
Apple 32 SuperMicros. Macintosh™ and Lisa™.
Meet the Apple 32 SuperMicros
- 192 kilobytes of memory with 128 kilobytes of RAM and 64 kilobytes of ROM
- Built-in 400-kilobyte 3½-inch microdisk drive
- 9-inch bit-mapped display
- Detached keyboard
- Mouse control
- 2 built-in serial ports and 1 external microdisk-drive port
- 512 kilobytes — expandable to 1 megabyte — of main memory
- Built-in 400-kilobyte 3½-inch microdisk drive
- 12-inch bit-mapped display
- Detached keyboard with numeric keypad
- Mouse control
- 2 built-in serial ports, 1 parallel port, and 3 internal expansion slots
- All the features of the Lisa 2, plus an external 5-megabyte hard-disk drive
- All the features of Lisa 2, plus a built-in high-speed 10-megabyte hard-disk drive (no parallel port)


DETAILS
BLUE BUTTONS
| DATA menu
|
This menu is a grabbag of constants that are useful in special circumstances
|
| FAVORITES menu
|
BioBIKE keeps track of which functions you use the most and adds them to your Favorites menu. This might make it easier for you to find frequently used functions.
|
| FUNCTIONS menu
|
This button appears only when you create your own functions using DEFINE-FUNCTION.
|
| VARIABLES menu
|
This button appears only when you create your own functions using DEFINE.
|
| ORGANISMS menu
|
The contents of this button will vary considerably from one BioBIKE instance to another. The menu allows access to all the genomes supported by the instance and to subsets of those genomes. |
|
In the case shown (PhAnToMe/BioBIKE), clicking Viruses or Bacteria causes their menus to be loaded.
The resulting menus present the organisms sorted alphabetically or according to phylogeny (or, in the
cases of viruses, according to bacterial host).
At each phylogenetic level, it is possible to select all organisms within that classification. In the case shown at the right, for example, clicking All Cyanobacteria creates a set consisting of all bacteria known to BioBIKE within the cyanobacteria. Proceeding one phylogenetic level down, the user would be able to create a set consisting of all Nostocales. Clicking any item that is not itself a menu (i.e. followed by a sideways triangle), causes the genome or set of genomes to be brought down into the workspace. |
| SUBSYSTEMS menu
|
This button appears only in BioBIKE instances that use the SEED database. It provides access to human-curated categories of proteins. Since the menu takes several seconds to load, it is loaded only on demand, by clicking Enable subsystem selection. |
|
When subsystem selection is enabled, the subsystems are presented alphabetically
(By Name) and by functional category (By Category). The categories are
arranged hierarchically.
Clicking any item that is not itself a menu (i.e. followed by a sideways triangle), causes the subsystem to be brought down into the workspace. |


|
| ObjType * | obj_ = nullptr |
| | Pointer to the heap allocated object that is managed by this RedlandType. More...
|
| |
|
FreeFuncType | freeFunc_ |
| |
◆ RedlandType() [1/4]
template<typename ObjType , typename FreeFuncType >
◆ RedlandType() [2/4]
template<typename ObjType , typename FreeFuncType >
generic constructor for ref counted types
- Parameters
-
| objType | instance of ObjType*, this is the object being ref counted |
| func | the function that free's the ref counted type |
◆ RedlandType() [3/4]
template<typename ObjType , typename FreeFuncType >
copy constructor.
takes a copy of freeFunc from other. If this RedlandType has a obj_ then it is deleted with the freeFunc. Then the address of the obj_ from other is stored in this->obj_ and the internal reference counter is incremented by 1.
◆ RedlandType() [4/4]
template<typename ObjType , typename FreeFuncType >
move constructor.
takes a copy of freeFunc from other. If this RedlandType has a obj_ then it is deleted with the freeFunc. Then the address of the obj_ from other is stored in this->obj_ but the internal reference counter is not incremented by 1.
◆ checkForNull()
template<typename ObjType , typename FreeFuncType >
◆ operator=() [1/2]
template<typename ObjType , typename FreeFuncType >
copy assignment constructor.
takes a copy of freeFunc from other if we do not already have one. If this RedlandType has a obj_ then it is deleted with the freeFunc. Then the address of the obj_ from other is stored in this->obj_ and the internal reference counter is incremented by 1.
◆ operator=() [2/2]
template<typename ObjType , typename FreeFuncType >
move assignment constructor.
takes a copy of freeFunc from other if we do not already have one. If this RedlandType has a obj_ then it is deleted with the freeFunc. Then the address of the obj_ from other is stored in this->obj_ and the internal reference counter is not incremented by 1.
◆ release()
template<typename ObjType , typename FreeFuncType >
Free the memory pointed to by obj_ with freeFunc but do not destroy this object. If.
if the ref counter of obj_ is not 0, the object will not be freed, but the usage count will be decremented by 1. The remaining ref counts would be the responsibility of the caller.
◆ setObj()
template<typename ObjType , typename FreeFuncType >
Set or replace the object stored in this RedlandType.
if obj_ is not nullptr, the current memory is released since this RedlandType only manages a single instance of ObjType*.
◆ obj_
template<typename ObjType , typename FreeFuncType >
Pointer to the heap allocated object that is managed by this RedlandType.
the type pointed to by this RedlandType must have public access to a "usage" count, which is the current reference count. Used for redland types.
The documentation for this class was generated from the following file:


DSBuffer
public class DSBuffer
Fixed-length buffer for windowed signal processing
-
Initializer
Tips:
- If you do not need to perform FFT on the buffer, set fftIsSupperted to be false could save 50% memory.
- If you need to perform FFT, set buffer size to power of 2 could accelerate more.
Declaration
Swift
init(_ size: Int, fftIsSupported: Bool = true)
Parameters
size
Buffer length. If you set fftIsSupperted to be true, the size should be number
fftIsSupported
Whether FFT will be performed on the buffer
Return Value
DSBuffer object
-
Push new value to buffer (and the foremost will be dropped)
Declaration
Swift
func push(_ value: Float)
Parameters
value
New value to be added
-
Get data by index
Declaration
Swift
func dataAt(_ index: Int) -> Float
-
Get Buffer size
Declaration
Swift
var bufferSize: Int
-
Dump buffer as array
Declaration
Swift
var data: [Float]
-
Reset buffer to be zero filled
Declaration
Swift
func clear()
-
Print buffer
Declaration
Swift
func printBuffer(dataFormat: String)
-
Add value to each buffer data
Declaration
Swift
func add(value: Float) -> [Float]
-
Multiply each buffer data with value
Declaration
Swift
func multiply(value: Float) -> [Float]
-
Modulus by value of each buffer data
Declaration
Swift
func mod(value: Float) -> [Float]
-
Remove mean value
Declaration
Swift
var centralized: [Float]
-
Normalize vector to have unit length
Declaration
Swift
func normalizedToUnitLength(centralized: Bool) -> [Float]
Parameters
centralized
Should remove mean?
-
Normalize vector to have unit variance
Declaration
Swift
func normalizedToUnitVariance(centralized: Bool) -> [Float]
Parameters
centralized
Should remove mean?
-
Perform dot production with array
Declaration
Swift
func dotProduct(with: [Float]) -> Float
-
Mean value
Declaration
Swift
var mean: Float
-
Mean value
Declaration
Swift
var sum: Float
-
Vector length
Declaration
Swift
var length: Float
-
Square of length
Declaration
Swift
var energy: Float
-
Max value
Declaration
Swift
var max: Float
-
Min value
Declaration
Swift
var min: Float
-
Variance
Declaration
Swift
var variance: Float
-
Standard deviation
Declaration
Swift
var std: Float
-
Perform FFT
Note for FFT related methods:
- Set fftIsSupported to true when creating the buffer.
- Buffer size should be even. If you pass odd size when creating the buffer, it is automatically increased by 1.
- Only results in nfft/2+1 complex frequency bins from DC to Nyquist are returned.
Declaration
Swift
func fft() -> (real: [Float], imaginary: [Float])
-
FFT sample frequencies
Declaration
Swift
func fftFrequencies(fs: Float) -> [Float]
Return Value
array of size nfft/2+1
-
FFT magnitudes, i.e. abs(fft())
Declaration
Swift
func fftMagnitudes() -> [Float]
Return Value
array of size nfft/2+1
-
Square of FFT magnitudes, i.e. (abs(fft()))^2
Declaration
Swift
func squaredPowerSpectrum() -> [Float]
Return Value
array of size nfft/2+1
-
Mean-squared power spectrum, i.e. (abs(fft()))^2 / N
Declaration
Swift
func meanSquaredPowerSpectrum() -> [Float]
Return Value
array of size nfft/2+1
-
Power spectral density (PSD), i.e. (abs(fft()))^2 / (fs*N)
Declaration
Swift
func powerSpectralDensity(fs: Float) -> [Float]
Return Value
array of size nfft/2+1
-
Average power over specific frequency band, i.e. mean(abs(fft(from…to))^2)
Declaration
Swift
func averageBandPower(fromFreq: Float = 0, toFreq: Float, fs: Float) -> Float
-
Undocumented
Declaration
Swift
public class DSBuffer
-
Get latest FIR output
Declaration
Swift
func latestFIROutput() -> Float
-
FIR filtered buffer
Declaration
Swift
func FIRFiltered() -> [Float]


STRIPTEASE A film review by Michael Redman Copyright 1996 Michael Redman
**(out of ****)
The advertising campaigns for this are at least as interesting as the movie itself. First it was a "nekkid Demi Moore shaking her hooters" film with the previews demonstrating the two compelling reasons to see it. Having captured the male audience, the commercials began a "mother fighting for her daughter" approach to appeal to women.
Now it's a "comedy where you least expect it", grasping for yet another audience. Among the split personalities, "Striptease" has also been touted as "not 'Showgirls'!" Talk about damning with faint praise.
Moore's latest sure-to-be-blockbuster is all this and _less_.
Erin Grant is a ex-FBI secretary (fired because she made a poor choice in husbands) turned stripper in order to win back custody of her daughter. The logic in that plan typifies the confusion of the entire film.
Among the colorful characters at the Eager Beaver, the club where she dances, is a fan who promises to help get her daughter back. He has the misfortune to end up floating in a nearby lake. Coincidentally this happened just after he tries to blackmail a US congressman sighted at the club.
More people associated with the representative end up dead and you begin to get the idea that everything may not be on the up and up. Golly! It turns out you were right and the Florida congressman is controlled by the evil sugar empire.
An almost unrecognizable Burt Reynolds turns in one of the oddest roles of his career as the drunken congressman David Dilbeck. Played for laughs, the character is occasionally hilarious, but the murders, his genuine sleaze and general worthlessness as a human being make it difficult to evoke much laughter.
Ving Rhames ("Pulp Fiction", "Mission: Impossible") is one of the few actors that come out of this looking good. As Shad, the strip club bouncer with a thing for roaches and yogurt, he shows a talent for dark comedy.
Moore can act although certainly not well enough to deserve her highest paid actress in Hollywood status. Here she and everyone else struggle with a butchered script from a reportedly great book. The film moves from slapstick comedy to sordid and deadly political scandal to heartbreaking mother and daughter scenes without much finesse or success.
Despite its shortcomings, this film will surely make the big bucks as audiences flock to attend if for no other reasons than to discuss how many implants Demi has.
[Note: this appeared in "The Bloomington Voice", Bloomington, Indiana, 7/4/96. Michael Redman can be reached at<EMAIL_ADDRESS>The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


array fgetcsv ( resource $handle [, int $length = 0 [, string $delimiter = ',' [, string $enclosure = '"' [, string $escape = '\\' ]]]] )
Similar to fgets() except that fgetcsv() parses the line it reads for fields in CSV format and returns an array containing the fields read.
Returns an indexed array containing the fields read. Note: A blank line in a CSV file will be returned as an array comprising a single null field, and will not be treated as an error. Note: If PHP is not properly recognizing the line endings when reading files either on or created by a Macintosh computer, enabling the auto_detect_line_endings run-time configuration option may help resolve the problem. fgetcsv() returns NULL if an invalid handle is supplied or FALSE on other errors, including end of file.


It’s pretty simple to me. We have to be the change we want to see in the world. I’ve been heavily influenced by singer songwriter Utah Phillips. He’s a Vietnam vet turned peace advocate and anarchist. He talks about about some of that experience in this song written with Ani DeFranco.
https://www.youtube.com/watch?v=fClwusLryq4
The line that gets me is “The world has to change, and that change has to start with me.” So, when I look at what’s wrong I see violence, I see artificial boarders, I see theft, I see control, and I see poverty. People seem to think the world is broken, but I’ve come to believe it’s working exactly as designed.
There are 8 people that have the same net worth as 3-4 billion people. That’s not because they are inherently worth more.  I see the world today as violent, destitute, and controlled and I can’t stomach the thought of my kids having to live through this.
So, I have a different vision for the world. One that is peaceful, one where there is enough wealth to go around, and one where I’m free to go about my life without intrusion, without losing a portion of my income to support things I don’t like, and towards a world that is worthy of the beauty inherent in my kids and yours.
So, I’ve adopted three main values that I use to set my course: Peace, Abundance, and Liberty. It conveniently spells PAL and hopefully all those who share those beliefs can think of themselves as being PALs to one another.
Steemit’s role
I think the world is run by immoral banksters, and they get their power from the ability to print money out of thin air and have the rest of us use it. They have a monopoly on this printing press. In the 2008 financial crisis alone the private Federal Reserve Board printed over $16T. That was the size of the US GDP. They decided to print as much money as the US’s entire economy, and they handed it out to the banks, mostly foreign, that acted recklessly. Socialized gains and privitized losses isn’t capitalism, and having a private bank run this system from behind the curtain isn’t a constitutional republic.
So, I want to hit them where it hurts. If their power comes from printing money and they use that power for violence, destitution, and control I want to take away that power. Steemit gives us that opportunity. It’s not enough to simply protest the 1% and their systems. We have to find something to replace what they are doing with something better.
I think Steemit’s it, and every day I can satisfy my needs through Steemit instead of FED notes I’ll be happy.
Growth Hack Steemit
So, the first thing to do is take my 10 years of sales and marketing experience and use that to help grow this platform. I’ve been in ed tech sales travelling from school to school to promote digital learning. I’ve altered the course of over 100,000 students. I can do that here, and by doing that I think we can set a different course for ourselves and our future.
Here’s my starting pitch. And I’ll get this refined and on the road.
But it’s not enough!
Once folks get here we have to keep them here. We need to grow this economy and the trade here. So, we have to help people grow their accounts. That’s why I’ve started the Minnow Support Project and adding a new series called Minnow School. The aim is to help those we get to transition here to be successful. In business terms I’m working in Client Success helping new customers who come on board find success and stick around. The learning curve here is steep, and I’m doing my best to flatten it so our community can expand.
Here’s what that looks like in 5 seconds
Once again I’ve called in the support of @juanmiguelsalas. He’s a talented artist and has made gifs for Steemit, a gif for the Minnow Support Project, and now this Witness campaign. You’ll note services were paid in SBD!
If you can support this vision then please support me
I fight a crappy distribution outside of Steemit, and I fight a crappy distribution on Steemit. Right now 1% of the steem holders own 90% of the steem. This makes for some awkward discussions because all the votes are stake weighted. I need whale votes to rise, but I’m uncompromising that the biggest problem internally for Steemit is that the rich hold too much stake. It leads to a disempowered user base, crappy content on the trending page, and too few people having too much say.
So, in order to counter act the fact that I’m bringing with me parts of a message that may be difficult to hear I need your support. Minnows and Dolphins I need your help to vote for this campaign to show that this is a message and a plan that the authors, curators, and shoppers want… it’s not just what I want. And whales, to be clear. I don’t want to take anything away from you! This isn’t a redistribution plan, but what I do want is to give better incentives to the richest members to make it worth their time to find and upvote minnow/dolphin content. That way we can all be aligned, see this place Moon, and see the world change by our actions.
Thank you for your time and consideration. If you think this is a good plan than please vote for me for witness.
Yours Truly,
You can find me hanging out on steemspeak, a discord channel that many steemers use to text and talk to each other- https://discord.gg/qjpRj7w
You can find me in Whaleshares- https://discord.gg/GykFB6S
or my new channel PALnet- https://discord.gg/HYj4yvw
I can also be found on steemchat as @aggroed. If you have a post to share give me a good sentence or two of why you think I’ll like it.
To vote for me click the link underneath my profile, scroll under the list of 50 names and type aggroed into the box. If you can see my name you have voted for me (don’t click the little blue upvote next to my name as you’ll cancel your vote for me).
This page is synchronized from the post: ‘Goals as a witness- Spread the values of Peace, Abundance, and Liberty, Growth hack Steemit, and help minnows grow!’


Register
Name:
First name:
Last name:
Address:
House number:
Street:
City:
Province:
Zipcode:
Contact:
Phone number:
Cell Phone number:
Other Information:
Citizenship number:
Birthday:
Zodiac Sign:
Aquarius
Pisces
Aries
Taurus
Gemini
Cancer
Leo
Virgo
Libra
Scorpio
Sagittarius
Capricorn
Zodiac Year:
Rat
Ox
Tiger
Rabbit
Dragon
Snake
Hourse
Goat
Monkey
Rooster
Dog
Pig
Birth Day of Week:
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday


To solve this lesson, we need to put invalid characters (slashes, quotes, etc.) into all six fields. Since three of the fields are toggles or dropdowns, we will need to intercept the request with a proxy. We still need to put invalid data in the disabled field, however. There are two ways of accomplishing this; we can enable the field using Firebug, or we can insert an additional field using a proxy.
To enable the field, open Firebug and find the form containing all of our fields. Find the text input named "disabled-input". Delete the disabled="" parameter. This causes the field on the page to be unlocked, and will also cause the disabled-input variable to appear in proxy.


Block by Block
问题描述 :
Now we slight change in the next game.We place the blocks on the X-axis,every block has its begin coordinate si and end coordinate ei,which means the blocks’ positions are stable on the X-axis,at the same time, its height is 1 unit.The i-th block can place on the top of j-th only when si >= sj && ei <= ej,then we will build one tower by the new rule.
However,little Min thinks it is too easy for her,now she wants to better use of the number of blocks and the height of the tower she built can’t be more than H.that is to say,to build the tower with H high or less,the more blocks she use,the happier she is!
Note that two or more blocks can place on the same height except the bottom of the tower!
The sample will tells the details.
输入:
The first line starts with an integer N (1 <= N <= 300) denoting the number of Blocks and an integer H (1 <= H <= 10) denoting the highest height of the tower. Then following N lines, Each line contains two integer si and ei (0 < si < ei <= 500).
输出:
The first line starts with an integer N (1 <= N <= 300) denoting the number of Blocks and an integer H (1 <= H <= 10) denoting the highest height of the tower. Then following N lines, Each line contains two integer si and ei (0 < si < ei <= 500).
样例输入:
2 4 3 1 10 1 4 4 9 6 8 5 3 1 10 1 4 4 9 3 5 12 14
样例输出:
4 3
这些曲子比较经典
第一种方法怎么会是O(log(m+n))呢？没有二分的话直接遍历应该就是O(m+n)吧？
http://beeder.me 这个网站上有很多poj和hihoCoder的题解，质量不错，欢迎转载。
以了解 想問為甚麼 Tbl[6001] = {1} 初始化都是1
為何不是Tbl[0]=1 其他為0
afsasfasfasf
学算法中的数据结构学到一定程度会乐此不疲的，比如其中的2－3树，类似的红黑树，我甚至可以自己写个逻辑文件系统结构来。
遍历了所有的情况(2^n)，tmp数组就是由当前遍历的状态s推算出的
很好。代码比书上的简练！
红绯鱼：
这模板神了
文章写得挺好，就是最后的斐波那契那个没有看明白
第二种解法如果数组有重复元素 就不正确
必须试过啊
网站不错，支持一个
神奇的网站
多谢提醒


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--- layout: archive title: Zulip Chat Archive permalink: /stream/113489-new-members/topic/resource.20for.20mutual.20lemmas.html ---
Using the doc I managed to define a simple value type
inductive value : Type | VBoolean : bool -> value | VInteger : int -> value | VString : string -> value | VSequence : list value -> value | VNone : value
and a boolean equality on it (by mutually defining val_eqb
and val_list_eqb
). Now I'm trying to prove some facts about it (my ultimate goal would be to provide an instance of decidable_eq
), but I'm struggling to define mutual lemmas. So far I tried:
mutual theorem val_eqb_eq, val_list_eqb_eq with val_eqb_eq: ∀ v0 v1, val_eqb v0 v1 = tt ↔ v0 = v1 := begin sorry, end with val_list_eqb_eq : ∀ l0 l1, val_list_eqb l0 l1 = tt ↔ l0 = l1
which has several issues:
invalid equations, must be followed by a command, '.', 'with', doc-string or EOF
on the :=
and invalid mutual declaration, 'val_list_eqb_eq' expected
on the end
.
I can't find much on https://leanprover.github.io/theorem_proving_in_lean/induction_and_recursion.html#mutual-recursion, but maybe there are other resources ?
I think you have to use pattern matching notation in mutual declarations, e.g.
mutual theorem val_eqb_eq, val_list_eqb_eq with val_eqb_eq: ∀ v0 v1, val_eqb v0 v1 = tt ↔ v0 = v1 | v0 v1 := sorry with val_list_eqb_eq : ∀ l0 l1, val_list_eqb l0 l1 = tt ↔ l0 = l1 | l0 l1 := sorry
But note that nested inductives (VSequence : list value -> value
) are not one of the strong points of Lean 3. There's limited support for this and you'll get frustrated quickly.
Damned... and I was thinking I could get away from Coq for that reason :D Thanks for the insight
My advice would be to avoid the mutual
keyword entirely, and roll your own "all-at-once" object defined recursively, then define projectors pulling out the bits you want.
I tried something like that, but I found that it was as annoying as doing it in Coq, so I'll stick with what I know for the moment
@Vincent Siles Lean implements nested inductives using regular inductives, and you can roll your own without too much difficulty. We're working on a more general framework for nested inductives, but lean's built in inductives have a decent behavior as is
Lean's built in compilation for nested inductives is... half baked
I'll definitenly check it out, but right now I have some time constraints, so I'll stick to what I know :p
In the case of the value
type, I don't even see why a nested inductive is necessary. Can't you just do:
inductive value : Type | VBoolean : bool -> value | VInteger : int -> value | VString : string -> value | VNil : value | VCons : value -> value -> value | VNone : value
It's less easy, I can't directly reuse the list
library . What you propose is the usual solution to deal with nested. But you loose all benefits of actual lists
you won't really be able to reuse the list library anyway, because you will have lots of induction constraints
unless you are using it nonrecursively, in which case it's easy to build an isomorphism
indeed. That's my current solution with Coq
(the isomorphism / coercion)
I think that no matter how you cut it it won't be as nice as a true nested inductive because it's not really a list constructor, it's only a shim over the basic inductive. If you are willing to put meta
it will act like the "real thing"
I don't know about meta
. I'll read about it when I'll arrive at the office, thanks
This basically means "I don't care about proving things, pretend this is Haskell". It lifts the well foundedness restrictions on recursion and basically all constraints on inductives (positivity, nestedness, etc), meaning that the logic becomes unsound but it still has an operational semantics and you can use it like a programming language
That's a really nice way of thinking about meta
-- it should be called haskell
.
Last updated: Apr 24 2020 at 19:02 UTC


The Mask of Zorro (PG-13) *** (out of ****)
Despite numerous vehicles designed to break him out of the fold, Antonio Banderas still remains right on the cusp of major Hollywood stardom. He came out with both guns blazing in _Desperado_, yet he didn't exactly blow away the box office; Rebecca DeMornay literally sunk her teeth into his naked ass in _Never_Talk_to_Strangers, but he himself came away with nothing to chew on; he rode Sylvester Stallone's fast-falling coattails in _Assassins_; no one cared to see how he and his current wife, Melanie Griffith, met on the job in _Two_Much_. Now, holding some momentum after his well-received supporting turn in _Evita_, Banderas has his best--and, perhaps, last--shot at Tinseltown superstardom, the rousing romantic adventure _The_Mask_of_Zorro_.
In a season and an age ruled by action films reliant on post-production effects, the barebones approach of an old fashioned swashbuckler is rather refreshing. As this update of Johnston McCulley's enduring character begins, the legendary masked, sword-wielding defender of the weak and oppressed is really one Don Diego de la Vega (Anthony Hopkins), aiding Mexico's independence effort against Spain.  Twenty years later, de la Vega escapes, at roughly the same time Montero returns from Spain to the now-independent Mexico with the grown Elena (Catherine Zeta-Jones) in tow. Montero, of course, has a dirty scheme up his sleeve, and seeing that he is a bit long in the tooth to reassume the mask of Zorro, grooms young, scruffy, revenge-minded bandit Alejandro Murieta (Banderas) to take his place.
Naturally, this sets the stage for extended training sequences, which are far from anything new but made watchable by some funny repartee written by scripters John Eskow, Ted Elliot, and Terry Rossio; and the effortless mentor-student rapport between Hopkins and Banderas. Unlike some films, though, while Alejandro pretty much passes his training, he still does not perfect certain things (namely, horseback riding) which gives this fantasy some element of reality--and keeps the film from taking itself too seriously. It's this lighthearted, light-on-its-feet tone that makes _Zorro_ such agreeable entertainment. Director Martin Campbell delivers the goods in the many exciting swordfights throughout the movie, but he also displays a nice, breezy touch throughout, particularly in the scene that received the biggest crowd response: a cute and sexy swordplay-as-foreplay scene between Alejandro and Elena.
Although the Alejandro-Elena romance is somewhat underwritten, the pairing comes to life, thanks to palpable chemistry between Banderas and the breathtaking Zeta-Jones, who share a sensual dance scene midway through the film. Actually, Banderas heightens the energy level of every scene he's in. He has always been a charismatic screen presence, but he has never been quite so charmingly roguish and playful, which is perfectly suited to the character. Also well-cast is Hopkins, who appears to be having a ball taking on a more physical role for a change. Less effective, though, is the casting of the villains. Wilson is only slightly more menacing than the weak brand of villainy he leant _Lethal_Weapon_3_, and Matt Letscher, playing the military captain who killed Alejandro's brother (hence the new Zorro's thirst for vengeance), seems no match for the masked swordsman.
While _Armageddon_ and _Lethal_Weapon_4_ pummel moviegoers with mayhem (and quite effectively, at that), it's almost soothing to watch an action film as comparatively laid-back as _The_Mask_of_Zorro_. It is a fairly relaxed yet confident, competent entertainment, one that is not afraid to bypass a hard sell and allow its innate charms to elegantly seduce its audience.
Michael Dequina
<EMAIL_ADDRESS>|<EMAIL_ADDRESS>Mr. Brown's Movie Site: http://welcome.to/mrbrown
CompuServe Hollywood Hotline: http://www.HollywoodHotline.com
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