libsocket++ is a object-oriented wrapper around libsocket. To avoid writing the code twice and maintain it twice, libsocket++ calls the functions from libsocket.
libsocket++ uses the namespace libsocket
, so you either have to construct the classes as this:
libsocket::inet_stream sock;
or use some things or the whole namespace:
using namespace libsocket;
(resp., for the internet TCP socket class)
using libsocket::inet_stream;
Compile the files (like mentioned in DOCUMENTATION.md) like every other:
$ gcc -c */*.cpp
$ gcc *.o
or $ gcc /.cpp
Legend:
indentation - inheritance level
(a
,b
) - (header file, source file)
Base class: socket
- provides e.g. sfd
, field for the file descriptor number (socket.hpp
,socket.cpp
)
Derived class: inetsocket - provides e.g. host
and port
(inetbase.hpp
,inetbase.cpp
)
Derived class: inetstream - active (client) TCP socket (inetclientstream.hpp
,inetclientstream.cpp
)
Derived class: inetstreamserver - passive (server) TCP socket (inetserverstream.hpp
,inetserverstream.cpp
)
Derived class: inetdgram - base class for inet dgram (UDP) sockets. Provides e.g. rcvfrom() sndto()
(inetdgram.hpp
,inetdgram.cpp
)
Derived class: inetdgramclient - unbound UDP socket. Provides further: rcv() snd() connect() deconnect()
and some others (inetclientdgram.hpp
,inetclientdgram.cpp
)
Derived class: inetdgram_server - bound UDP socket. No further functions except of the constructor (inetserverdgram.hpp
,inetserverdgram.cpp
libinetsocket++ is the wrapper around libinetsocket.
Exception handling is done with the following class (declared in inetbase.hpp
, defined in inetbase.cpp
)
struct inet_exception
{
string mesg;
inet_exception(string,int,string);
};
An instantiation of this object is thrown in case of error. Almost every function may raise an exception containing a string looking like this:
../C++/inetclientstream.cpp:167: <<(std::string) output: Socket not connected!
(1) (2) (3) (4)
It contains information about the file (1), the line (2), the function throwing the exception (3) and information about the cause for the exception (4) - here, the socket was already closed when calling the .destroy() routine.
Example for error handling:
try {
sock << "test";
} catch (libsocket::inet_exception exc)
{
std::cerr << exc.mesg;
}
inet_stream
Class: Internet TCP Stream SocketsDeclared in inetclientstream.hpp
, defined in inetclientstream.cpp
inet_stream(void);
inet_stream(const char* host, const char* port, int proto_osi3, int flags=0);
The first constructor only initializes the most important things. The socket remains unconnected
and must be connected before use using connect()
.
The second constructors initializes the socket and connects it with the given host:
host
: Destination host; if you have the host as std::string
, use its routine std::string::c_str()
to get
the C stringport
: Destination port (TCP, of course); conversion from string like above.proto_osi3
: IPv4
, IPv6
or BOTH
(BOTH
lets the library choose; pp macros; defined in header file inetsocket.hpp
)flags
: Default 0, can be SOCK_NONBLOCK
or SOCK_CLOEXEC
(see: socket(2)
; on other platforms than Linux
has to be 0 to avoid errors)connect()
Declared in inetclientstream.hpp
, defined in inetclientstream.cpp
void connect(const char* host, const char* port, int proto_osi3, int flags=0);
Connects the socket. Throws an exception if the socket is already connected.
host
: Destination host; if you have the host as std::string
, use its routine std::string::c_str()
to get
the C stringport
: Destination port (TCP, of course); conversion from string like above.proto_osi3
: IPv4
or IPv6
(pp macros; defined in header file inetsocket.hpp
)flags
: Default 0, can be SOCK_NONBLOCK
or SOCK_CLOEXEC
(see: socket(2)
; on other platforms than Linux
has to be 0 to avoid errors)shutdown()
Declared in inetclientstream.hpp
, defined in inetclientstream.cpp
void shutdown(int method);
Shuts the socket down (shutdown(2)
).
method
is READ
, WRITE
, or the ORed combination, READ|WRITE
. READ
and WRITE
are defined
in inetsocket.hpp
Declared in socket.hpp
, defined in socket.cpp
int destroy(void);
Close the socket and destroy the connection.
Return value 0 if successfull, otherwise -1.
Declared in inetclientstream.hpp
, defined in inetclientstream.cpp
ssize_t snd(const void* buf, size_t len, int flags=0);
Conventional send function: Send the content of buf
, which is len
bytes long, to
the connected host. flags
may be specified using the values allowed on your platform.
The flags available may be found in send(2)
(the flags beginning with with MSG_
)
Returns the number of sent bytes or throws an exception if an error occurred.
friend inet_stream& operator<<(inet_stream& sock, const char* str);
friend inet_stream& operator<<(inet_stream& sock, string& str);
Now, it gets interesting: The class inet_stream
imitates the behaviour of
the standard C++ streams (ostream
, ofstream
etc.). You may write to the
connected socket using the overloaded bitshift operator. It is overloaded for
C strings (const char*
, you may also use char*
) and C++ strings (std::string
).
As you can see at the return value, you may cascade it (from examples++/http.c
):
sock << request1 << request2;
Throws exceptions e.g. if the socket is not connected or write(2)
returned -1.
Declared in inetclientstream.hpp
, defined in inetclientstream.cpp
ssize_t rcv(void* buf, size_t len, int flags=0);
Conventional receive function: Receive len
bytes from socket and write them to buf
.
flags
may be specified and may take the flags specified in recv(2)
(those beginning with MSG_
)
friend inet_stream& operator>>(inet_stream& sock, string& dest);
Stream-like read from socket: Reads at most dest.size()
bytes from socket and puts them
to the string. If less than dest.size()
characters could be read, the string is resized to
the number of read characters so you can check (string.size() == 0
) if the server is done
with sending - either closed the socket on his side or shut it down for write access.
Declared in inetclientstream.hpp
, defined in inetclientstream.cpp
int getfd(void) const;
string gethost(void) const;
string getport(void) const;
getfd()
returns the socket file descriptor.
gethost()
returns a C++ string containing the host to which the socket is connected.
getport()
returns a C++ string containing the port/service to which the socket is connected.
inet_stream_server
- TCP Internet serverDeclared in inetserverstream.hpp
, defined in inetserverstream.cpp
inet_stream_server(void);
inet_stream_server(const char* bindhost, const char* bindport, int proto_osi3, int flags=0);
Create an internet tcp server (passive) socket.
If you use the first constructor, you have to setup()
the socket before using it. The latter constructor
binds the socket to bindhost:bindport
using proto_osi3
(IPv4
or IPv6
or BOTH
).
flags
are supplied to the internal socket(2)
call.
accept()
Declared in inetserverstream.hpp
, defined in inetserverstream.cpp
inet_stream* accept(int numeric=0);
Accept an incoming connection. numeric
may be NUMERIC
if you want to have the host and port as numbers.
Returns a pointer to a dynamically allocated inet_stream
object
Declared in socket.hpp
, defined in socket.cpp
int destroy(void);
Inherited from socket
class. Destroy (close) socket.
Return value 0 if successful, otherwise -1.
inet_dgram_client
Class: Internet UDP SocketsDeclared in inetclientdgram.hpp
, defined in inetclientdgram.cpp
inet_dgram_client(int proto_osi3, int flags=0); // Flags: socket()
inet_dgram_client(const char* host, const char* port, int proto_osi3, int flags=0); // Flags: socket()
Because the UDP socket can be connected multiple times and send data to various hosts,
it's mandatory to specify the address family at instantiation time. proto_osi3
may be
IPv4
or IPv6
; this information is used to create a socket with create_inet_dgram_client_socket()
and finally socket(2)
.
The second form allows to specify a host and a port to which the UDP socket is connected.
If an UDP socket is connected, calls to snd()
and rcv()
act like it is a stream socket:
The data is sent and received only to/from the host to which the socket is connected.
Declared in inetclientdgram.hpp
, defined in inetclientdgram.cpp
void connect(const char* host, const char* port);
(Re)connects the socket to the specified host/port. If you want to change the address family, you have to create another socket.
void deconnect(void);
Cut the connection to the host to which the socket was connected to. Now, stream-like
functions like snd()
or rcv()
may not be used anymore.
Declared in socket.hpp
, defined in socket.cpp
int destroy(void);
Try to destroy the socket and throw an exception if it failed.
Declared in inetclientdgram.hpp
, inetdgram.hpp
; defined in inetdgram.cpp
, inetclientdgram.cpp
ssize_t snd(const void* buf, size_t len, int flags=0); // flags: send()
Conventional send, only available if socket is connected.
Send len
bytes from buf
(does not need to be const
; in C++ an implicit conversion to const is allowed)
to the connected peer. flags
may be specified and take the flags described in send(2)
(MSG_...
).
ssize_t sndto(const void* buf, size_t len, const char* host, const char* port, int sndto_flags=0); // flags: sendto()
Send len
bytes from buf
to host
:port
. sndto_flags
may be specified and take the flags described
in sendto(2)
(MSG_...
).
friend inet_dgram_client& operator<<(inet_dgram_client& sock, const char* str);
friend inet_dgram_client& operator<<(inet_dgram_client& sock, string& str);
Only for connected sockets. Send either a string or a C string to the connected peer. Usage like streams:
sock << "abc" << string("def");
Declared in inetclientdgram.hpp
, inetdgram.hpp
; defined in inetdgram.cpp
, inetclientdgram.cpp
ssize_t rcv(void* buf, size_t len, int flags=0);
Conventional receive function: Receive len
bytes from the socket and write them to buf
. flags
may take the
flags described in recv(2)
(MSG_...
).
ssize_t rcvfrom(void* buf, size_t len, char* host, size_t hostlen, char* port, size_t portlen, int rcvfrom_flags=0, bool numeric=false);
Receive len
bytes from the socket and place them in buf
. The source host is placed in host
, which is at least
hostlen
bytes long, the source port gets written to port
, which is at least portlen
bytes long. recvfrom_flags
can take the flags described in recvfrom(2)
, numeric
is considered as false
, but if you specify it as
true
, source host and source port are expressed in numerical form. This is recommended because it's faster
than an additional (internal) rDNS query.
friend inet_dgram_client& operator>>(inet_dgram_client& sock, string& dest);
Stream-like read from (connected!) socket: Reads at most dest.size()
bytes from socket and puts them
to the string. If less than dest.size()
characters could be read, the string is resized to
the number of read characters. One read call normally returns one datagram
inet_dgram_server
- INET DGRAM server socketsDeclared in inetserverdgram.hpp
, defined in inetserverdgram.hpp
.
inet_dgram_server(const char* host, const char* port, int proto_osi3, int flags=0);
Create and bind a DGRAM socket. The only difference to inet_dgram_client
is that this socket is explicitly bound to somewhere.
host
to bind toport
to bind toproto_osi3
- IPv4 IPv6 BOTH
flags
is passed to socket(2)
It is not possible to call connect(), rcv(), snd()
on such sockets; the rcvfrom(), sndto()
functions may be called, of course.
Not implemented yet.


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Slides are here:
http://mhellar.github.io/electronicartworks/day2
Grab
the code here:
https://github.com/mhellar/electronicartworks/blob/gh-pages/day2/codeDay2.zip
Remote Control
Hook Up the IR reciever
Connect the WS2812's
Upload Receive_Custom_neo.ino
The V8 JavaScript Engine is an open source JavaScript engine in the Chrome browser
/**
* 01 - Getting Started
* Declare a variable, perform some math, output the result
*/
var initialNumber = 0;
var finalNumber = initialNumber + 10;
console.log(finalNumber);
cd code_node1/simple from the terminal
and open in a text editor
/**
* 01 - Getting Started
* Declare a variable, perform some math, output the result
*/
var initialNumber = 0;
var finalNumber = initialNumber + 10;
console.log(finalNumber);
/*
* intervals.js
* Intervals and Timeouts in javascript
*/
//******************************************************************************//
/*
* setInterval(callback, time) : repeats the callback function every *time* ms
setInterval(function() {
console.log("Ping");
},1000);
//******************************************************************************//
Node timers API
with NodeJS
//the child_process library let's us execute command line commands, https://nodejs.org/api/child_process.html
var exec = require('child_process').exec;
//This variable stores the command we want to execute, we are going to use the say command
var say = 'say ';
//let's make a function that speaks
function speak(whatosay){
//speak the string
exec(say + whatosay);
//log it to the console
console.log(whatosay)
}
// call the function
speak("I just do this");
*/
https://nodejs.org/api/child_process.html
//the child_process library let's us execute command line commands, https://nodejs.org/api/child_process.html
var exec = require('child_process').exec;
//This variable stores the command we want to execute, we are going to use the say command
var say = 'say ';
//let's make a function that speaks
function speak(whatosay){
//speak the string
exec(say + whatosay);
//log it to the console
console.log(whatosay)
}
// call the function
speak("I just do this");
*/
https://nodejs.org/api/child_process.html
var bart = require('bart').createClient({ "interval": 3000 });
bart.on('dbrk', function(estimates) {
console.log(estimates);
});
https://www.npmjs.com/package/bart
var bart = require('bart').createClient({ "interval": 3000 });
bart.on('dbrk', function(estimates) {
// console.log(estimates);
console.log("next train is headed " + estimates[0].direction + " in " + estimates[0].minutes + " destination is " + estimates[0].destination);
});
https://www.npmjs.com/package/bart
The ESP8266
The ESP8266 is a low-cost Wi-Fi chip with full TCP/IP stack and MCU (Micro Controller Unit) capability produced by Shanghai-based Chinese manufacturer, Espressif Systems.
The ESP8266 is a low-cost Wi-Fi chip with full TCP/IP stack and MCU (Micro Controller Unit) capability produced by Shanghai-based Chinese manufacturer, Espressif Systems.
The NodeMCU is a mini Arduino with Wifi, that is $10.00!
Getting Set up:
- First install the USB driver SiLabs
serial driver
Getting Set up:
- Next go to the Arduino Preferences
Enter http://arduino.esp8266.com/stable/package_esp8266com_index.json into Additional
Boards Manager URLs
Getting Set up:
- Next, use the Board manager to install the ESP8266 package.
Connect an led
Upload Blink
Upload WiFiWebServer
Connect some neopixels
brew install mosquitto
run mosquitto from terminal
Open 2 terminals
In the first type: mosquitto_sub -h <IP_ADDRESS> -t topic
In the second type: mosquitto_pub -h <IP_ADDRESS> -t topic -m "message"
Public MQTT Server
In the first type: mosquitto_sub -h ec2-35-167-192-176.us-west-2.compute.amazonaws.com -t /test
In the second type: mosquitto_pub -h ec2-35-167-192-176.us-west-2.compute.amazonaws.com -t /test -m "message"
Install Arduino MQTT Library
Upload mqtt_neopixels
mosquitto_pub -h ec2-35-167-192-176.us-west-2.compute.amazonaws.com -t /test -m "1"


Wednesday October 26, 11:30 am - 8:00 pm
Location: Rosenthal Pavilion, 60 Washington Sq S, 10th Floor, New York NY 10012
The Data Science Environments Partnership invites you to a one-day Data Science Summit in NYC on 26 October 2016. This summit will bring together data science practitioners in a broad range of fields, from life, physical, and social sciences to the computational, statistical, and mathematical disciplines, to explore what it means to advance data science for research.
We expect over 200 people for an event that includes lunch and goes through an early evening cocktail and appetizer hour. The summit will include demonstrations of new and evolving data science projects and technologies, “birds of a feather” breakout discussions, and two or more plenary discussions throughout the day.
The intent of this inaugural Data Science Summit is to build connections and seed new collaborations between the large network of data science practitioners involved in data-intensive research in the United States. We envision this event will continue to grow in future years, so for this initial year, we have limited the number of invited participants to allow for a more focused engagement. Your invitation is not transferable; however, if you have suggestions for people we should consider inviting, please send their names and contact information to us.
Rough Tentative Agenda
| 11:30 - 13:00 | Welcome and Lunch |
| 13:00 - 14:00 | Lighting talks + posters/demos |
| 14:00 - 14:30 | Break |
| 14:30 - 15:30 | Panel on Career paths |
| 15:30 - 17:00 | Breakouts around data science themes |
| 17:00 - 18:30 | Lightning talks + posters/demos with food/beverages |
| 18:30 - 20:00 | TBD |
Attendees
Confirmed Invited Guests
| Name | Affiliation |
|---|---|
| Tony Hey | UW |
| Susan Davidson | U Penn |
| Enrico Bertini | NYU |
| Jeremy Freeman | Janelia |
| Tracy Teal | Data Carpentry |
| Divesh Srivastava | |
| Brian Granger | Jupyter |
| Kerstin Kleese Van Dam | BNL |
| Robert Brunner | UIUC |
| Rumi Chunara | NYU |
| Chaitanya Baru | NSF |
| Lenny Teytelman | Protocols.io |
| Giuseppe Longo | |
| Carl Lagoze | U Michigan |
| Meredith Broussard | NYU |
| Elliott Shore | ARL |
| Kathleen McKeown | Columbia University |
Confirmed Data Science Environment Attendees
| Name | Affiliation |
|---|---|
| Juliana Freire | NYU |
| Micaela Parker | UW |
| Kevin Koy | UC Berkeley |
| Sarah Stone | UW |
| Ed Lazowska | UW |
Moore Data-Driven Discovery Investigators
| Name | Affiliation |
|---|---|
| Joshua Bloom | UC Berkeley |
| Titus Brown | UC Davis |
| Casey Greene | U Penn |
| Jeff Heer | UW |
| Carl Kingsford | Carnegie Mellon |
| Laurel Larsen | UC Berkeley |
| Chris Re | Stanford |
| Kim Reynolds | UT Southwestern |
| Amit Singer | Princeton |
| Matthew Stephens | U Chicago |
| Blair Sullivan | NC State |
| Matthew Turk | UIUC |
| Laura Waller | UC Berkeley |
| Ethan White | U Florida |
Image from flickr by Daniel Mennerich


Manchester United 'to open talks over Nico Zaniolo deal'
Manchester United will reportedly hold talks with Roma over a potential deal for Nicolo Zaniolo when the two clubs to meet to discuss the future of Chris Smalling.
by Matt LawThe centre-back has impressed since joining the Italian side on loan over the summer, and it is understood that the Serie A giants want to sign the Englishman on a permanent deal.
According to Il Messaggero, with the two clubs heading for a meeting, United will attempt to negotiate a move for Zaniolo, who has scored five times in 16 appearances at club level this season.
The report claims that the Red Devils hope that their new-found relationship with the Yellow and Reds will help them beat a number of clubs to the signature of the 20-year-old.
Zaniolo, who joined Roma from Inter Milan in 2018, has scored three times in his last four Serie A appearances while operating as a right-sided attacker.
The youngster also netted twice in Italy's 9-1 win over Armenia during the recent international break.
body check tags ::


The overall goal of this assignment is to implement a Ruby class with - class attribute(s) - class method(s) - initializer method(s) - instance attribute(s) - instance method(s)
The functional goal of the assignment is to write a Person
class that will maintain state thru instance and class attributes and provide access thru instance and class methods.
Person
class with afirst_name
last_name
Track each instance of Person
.
Search for a Person
by last_name
.
|-- module2_lesson3_formative.rb
|-- .rspec (important hidden file)
`-- spec
|-- lesson3_spec.rb
`-- spec_helper.rb
$ gem install rspec
$ gem install rspec-its
$ rspec
FFF.
Failures:
1) lesson3 check results unexpected search result
2) lesson3 check instance properties missing first_name
3) lesson3 check instance properties missing last_name
Finished in 0.0184 seconds (files took 0.11245 seconds to load)
4 examples, 3 failures
Failed examples:
rspec ./spec/lesson3_spec.rb:13 # lesson3 check results unexpected search result
rspec ./spec/lesson3_spec.rb:21 # lesson3 check instance properties missing first_name
rspec ./spec/lesson3_spec.rb:25 # lesson3 check instance properties missing last_name
Implement all parts of this assignment within the module2_lesson3_formative.rb file in the root directory of your solution. The grader will load this specific file from this location.
Your script must contain a Person
class
The Person
class must have
people
that holds an array of objectsinitialize
method to initialize each instanceto_s
method to return a formatted string of the person's namesearch
method to locate all people with a matching last_name
Person
initialize
method mustpeople
class variablePerson
to_s
instance method mustfirst_name(space)last_name
Person
search
class method mustlast_name
parameterpeople
class attribute for instances with the same last_name
Unit tests have been provided in the bootstrap files that can be used to evaluate your solution. They must be run from the same directory as your solution.
$ rspec
John Smith
Jane Smith
....
Finished in 0.00436 seconds (files took 0.10999 seconds to load)
4 examples, 0 failures
A successful solution should have the following output.
$ ruby module2_lesson3_formative.rb
John Smith
Jane Smith
There is no submission required for this assignment but the skills learned will be part of a follow-on assignment so please complete this to the requirements of the unit test.


Module: AbstractController::Callbacks::ClassMethods
| Relationships & Source Files | |
| Defined in: | actionpack/lib/abstract_controller/callbacks.rb |
Instance Method Summary
-
#_insert_callbacks(callbacks, block = nil)
Take callback names and an optional callback proc, normalize them, then call the block with each callback.
-
#_normalize_callback_options(options)
If
:only
or:except
are used, convert the options into the:if
and:unless
options of::ActiveSupport::Callbacks
. -
#after_action(names, block)
Append a callback after actions.
-
#append_after_action(names, block)
Append a callback after actions.
-
#append_around_action(names, block)
Append a callback around actions.
-
#append_before_action(names, block)
Append a callback before actions.
-
#around_action(names, block)
Append a callback around actions.
-
#before_action(names, block)
Append a callback before actions.
-
#prepend_after_action(names, block)
Prepend a callback after actions.
-
#prepend_around_action(names, block)
Prepend a callback around actions.
-
#prepend_before_action(names, block)
Prepend a callback before actions.
-
#skip_after_action(names)
Skip a callback after actions.
-
#skip_around_action(names)
Skip a callback around actions.
-
#skip_before_action(names)
Skip a callback before actions.
Instance Method Details
#_insert_callbacks(callbacks, block = nil)
Take callback names and an optional callback proc, normalize them, then call the block with each callback. This allows us to abstract the normalization across several methods that use it.
Parameters
-
callbacks
- An array of callbacks, with an optional options hash as the last parameter. -
block
- A proc that should be added to the callbacks.
Block Parameters
-
name
- The callback to be added. -
options
- A hash of options to be used when adding the callback.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 91
def _insert_callbacks(callbacks, block = nil) = callbacks. ( ) callbacks.push(block) if block callbacks.each do |callback| yield callback, end end
#_normalize_callback_options(options)
If :only
or :except
are used, convert the options into the :if
and :unless
options of ::ActiveSupport::Callbacks
.
The basic idea is that :only => :index
gets converted to :if => proc {|c| c.action_name == "index" }
.
Note that :only
has priority over :if
in case they are used together.
only: :index, if: -> { true } # the :if option will be ignored.
Note that :if
has priority over :except
in case they are used together.
except: :index, if: -> { true } # the :except option will be ignored.
Options
-
only
- The callback should be run only for this action. -
except
- The callback should be run for all actions except this action.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 66
def ( ) _normalize_callback_option(, :only, :if) _normalize_callback_option(, :except, :unless) end
#after_action(names, block)
Append a callback after actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 129
rdoc_method :method: after_action
#append_after_action(names, block)
Append a callback after actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 150
rdoc_method :method: append_after_action
#append_around_action(names, block)
Append a callback around actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 178
rdoc_method :method: append_around_action
#append_before_action(names, block)
Append a callback before actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 122
rdoc_method :method: append_before_action
#around_action(names, block)
Append a callback around actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 157
rdoc_method :method: around_action
#before_action(names, block)
Append a callback before actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 101
rdoc_method :method: before_action
#prepend_after_action(names, block)
Prepend a callback after actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 136
rdoc_method :method: prepend_after_action
#prepend_around_action(names, block)
Prepend a callback around actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 164
rdoc_method :method: prepend_around_action
#prepend_before_action(names, block)
Prepend a callback before actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 108
rdoc_method :method: prepend_before_action
#skip_after_action(names)
Skip a callback after actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 143
rdoc_method :method: skip_after_action
#skip_around_action(names)
Skip a callback around actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 171
rdoc_method :method: skip_around_action
#skip_before_action(names)
Skip a callback before actions. See _insert_callbacks for parameter details.
# File 'actionpack/lib/abstract_controller/callbacks.rb', line 115
rdoc_method :method: skip_before_action


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Your payment is now=A016 days past due, and a late fee has been charged=
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--- layout: layouts/default.njk ---
Howdy! My name is Morgan Stone and I'm a software engineering manager hailing from The Magic City. I work for RVO Health where I lead a team that helps people find their next doctor. In my off time, you can find me at my local church or smoking a brisket.
Birmingham Javascript Meetup, September 2021
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The team incorporated a ventriloquist dummy called "Rocco" (Originally . Hegstrand left the company in disgust with the Rocco gimmick immediately after .
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Christmas Gift Guide 2019: 15 gadget gift ideas for Android fans
Give the gift of Google with these nifty Android add-ons
by Chris RowlandsGutted that Google ditched the dessert branding for Android 10? Don’t let Alphabet take away your treats: from quiche to queen of puddings, pick a suitable sweet and repeatedly Tweet its name until the search giant gets the message.
Marketing mischief complete, celebrate your guerrilla victory by stashing a fresh batch of Android gear in your stocking. Take that, 10.
Need a few ideas? From smartwatches to charging docks to TV streaming sticks, all of the kit in this list is ideal for Android devotees. The pudding’s up to you.
More Christmas gift ideas
Looking for something different? Our full Christmas Gift Guide 2019 hub page has categories to suit every taste, budget and interest.
See more Christmas gift ideas here
SoundMagic E11D (£60)
Bravery, it seems, is catching. Where Apple was once alone in the one-port world, now everyone from Google to OnePlus has ditched the humble headphone hole in favour of single port simplicity. Don’t want to go wireless? Sennheiser’s E11D earphones are your answer.
More than just a jack swap, the aluminium in-ears pack a DAC in their USB-C cable for enhanced audio quality – proof again that plug-ins still have their place.
Google Nest Wi-Fi (£129)
Between seasonal playlists and festive films, Wi-Fi takes a hammering come the Christmas holidays. Give your Internet a fighting chance with Google’s Nest router. Alone, the compact pod serves as a super-fast hub that can keep 200 devices connected and handle several 4K streams at once.
But things get even better when you pair it with a point or two: dotted around the house, these smart pals create a network that serves consistent signal to your whole abode. Each one is a smart speaker, too, so you can celebrate your connection with the help of Google Assistant.
Anker Powercore 10,000 PD (£32)
Want rock-solid abs in time for your winter trip to Thailand? You need the body toning tech of PowerCore, complete with gym ball, false promises and minor risk of electrocution.
Want a USB-C backup battery with 18W Power Delivery that can fill your Pixel in half the time? You need Anker’s PowerCore. Sure, it won’t do anything to trim your tummy, but its 10,000mAh capacity will keep your blower going for long after you tire of firing beach snaps at your Instagram story.
TicWatch E2 (£146)
There’s no such thing as a bargain smartwatch, but as connected tickers go this WearOS watch sits in stocking filler territory. Yet despite the price tag, the Ticwatch E2 doesn’t skimp on specs.
Equipped with a full suite of fitness skills, built-in GPS and all the smarts you’d expect from Google’s wearable operating system, it’s a borderline bargain. It also looks the business and – praise be! – doesn’t even flirt with the idea of a flat tyre frontage. What more could you want? Except, perhaps, an extra discount.
Google Pixelbook Pen (£99)
Nothing says ‘Merry Christmas’ quite like a custom cartoon of your dad dressed as an oversized elf. Do your satirical sketching the digital way with the official Pixelbook Pen. Pressure sensitive and lag-free, it’s the perfect creative partner for a Pixelbook or Pixel Slate.
There’s tilt support for impressive shading imitation, while Google Assistant is only ever a highlight away: press and hold the button, draw a circle around something and get instant input from the digital helper. The drawing’s down to you, though.
Belkin Boost Up Wireless Charging Stand 10W (£65)
Like a good cheese board, the Android smartphone lineup is nothing if not diverse. And, just as any decent cheese works on a cracker, so any Qi-enabled mobile will work with this wireless charger.
Delivering universal juice at up to 10W, it’ll boost your blower in landscape or portrait orientation, and can charge through most cases – or, presumably, the thin layer of camembert your handset acquired after you dropped it while taking a shot to share for #FromageFridays.
Google Pixel 4 Case (£35)
If you’re a die-hard Android fan, you’ll probably already have a Google Pixel 4 in your pocket – or it’ll be top of your Christmas wish list. But what to wrap your precious Pixel in? For once, it pays to be lazy.
Google’s own case is one of the best, with a durable fabric finish, cushioned microfibre lining and raised edge for better screen protection. It works with wireless charging and Active Edge, too, like a true soft-knit second skin.
Nvidia Shield TV (£150)
As Winnie the Pooh may once have said, never underestimate a stick. Take the latest Nvidia Shield TV: a cylinder of unrivalled smarts, it’s the answer to all your festive entertainment needs.
Connected to your telly, the Android TV tube can stream 4K HDR and do Dolby Atmos surround sound. It also upscales with AI, works as a 4K Chromecast and has Google Assistant on-board for easy interaction. Ask the motion-activated remote for your favourites and you’ll be watching in a jiffy. Just don’t drop it from a bridge and expect to see it on the other side.


Posted on September 11, 2009.
t
is a command-line todo list manager for people that want to finish
tasks, not organize them.
The code is in a Mercurial repository on BitBucket.
Why t?
Yeah, I know, another command-line todo list manager. Several others already exist (todo.txt and TaskWarrior come to mind), so why make another one?
It Does the Simplest Thing That Could Possibly Work
Todo.txt and TaskWarrior are feature-packed. They let you tag tasks, split them into projects, set priorities, order them, color-code them, and much more.
That’s the problem.
It’s easy to say “I’ll just organize my todo list a bit” and spend 15 minutes tagging your tasks. In those 15 minutes you probably could have finished a couple of them.
t
was inspired by j. It’s simple, messy, has almost no features, and is
extremely effective at the one thing it does.
It’s Flexible
t
‘s simplicity makes it extremely flexible.
 Open the list in a text editor.
Want to view the lists on a computer that doesn’t have t
installed? Open the
list in a text editor.
Want to synchronize the list across a couple of computers? Keep your task lists in a Dropbox folder.
Want to use it as a distributed bug tracking system like BugsEverywhere?
Make the task list a bugs
file in the project repository.
It Plays Nice with Version Control
Other systems keep your tasks in a plain text file. This is a good thing, and
t
follows their lead.
However, some of them append new tasks to the end of the file when you create them. This is not good if you’re using a version control system to let more than one person edit a todo list. If two people add a task and then try to merge, they’ll get a conflict and have to resolve it manually.
t
uses random IDs (actually SHA1 hashes) to order the todo list files. Once
the list has a couple of tasks in it, adding more is far less likely to cause
a merge conflict because the list is sorted.
Installing t
t
requires Python 2.5 or newer, and some form of UNIX-like shell (bash
works well). It works on Linux, OS X, and Windows (with Cygwin).
Installing and setting up t
will take about one minute.
First, download the newest version or clone the Mercurial repository ( hg
clone http://bitbucket.org/sjl/t/
). Put it anywhere you like.
Next, decide where you want to keep your todo lists. I put mine in ~/tasks
.
Create that directory:
mkdir ~/tasks
Finally, set up an alias to run t
.
Using t
t
is quick and easy to use.
Add a Task
To add a task, use t [task description]
:
$ t Clean the apartment. $ t Write chapter 10 of the novel. $ t Buy more beer. $
List Your Tasks
Listing your tasks is even easier — just use t
:
$ t 9 - Buy more beer. 30 - Clean the apartment. 31 - Write chapter 10 of the novel. $
t
will list all of your unfinished tasks and their IDs.
Finish a Task
After you’re done with something, use t -f ID
to finish it:
$ t -f 31 $ t 9 - Buy more beer. 30 - Clean the apartment. $
Edit a Task
Sometimes you might want to change the wording of a task. You can use t -e ID
[new description]
to do that:
$ t -e 30 Clean the entire apartment. $ t 9 - Buy more beer. 30 - Clean the entire apartment. $
Yes, nerds, you can use sed-style substitution strings:
$ t -e 9 /more/a lot more/ $ t 9 - Buy a lot more beer. 30 - Clean the entire apartment. $
Delete the Task List if it’s Empty
If you keep your task list in a visible place (like your desktop) you might
want it to be deleted if there are no tasks in it. To do this automatically
you can use the --delete-if-empty
option in your alias:
alias t='python ~/path/to/t.py --task-dir ~/Desktop --list todo.txt --delete-if-empty'
Tips and Tricks
t
might be simple, but it can do a lot of interesting things.
 Edit your ~/.bashrc
file:
export PS1="[$(t | wc -l | sed -e's/ *//')] $PS1"
Now you’ve got a prompt that looks something like this:
[2] $ t -f 30 [1] $ t Feed the cat. [2] $
Multiple Lists
t
is for people that want to do tasks, not organize them. With that said,
sometimes it’s useful to be able to have at least one level of organization.
To split up your tasks into different lists you can add a few more aliases:
alias g='python ~/path/to/t.py --task-dir ~/tasks --list groceries' alias m='python ~/path/to/t.py --task-dir ~/tasks --list music-to-buy' alias w='python ~/path/to/t.py --task-dir ~/tasks --list wines-to-try'
Distributed Bugtracking
Like the idea of distributed bug trackers like BugsEverywhere, but don’t
want to use such a heavyweight system? You can use t
instead.
Add another alias to your ~/.bashrc
file:
alias b='python ~/path/to/t.py --task-dir . --list bugs'
Now when you’re in your project directory you can use b
to manage the list
of bugs/tasks for that project. Add the bugs
file to version control and
you’re all set.
Even people without t
installed can view the bug list, because it’s plain text.
Problems, Contributions, Etc
t
was hacked together in a couple of nights to fit my needs. If you use it
and find a bug, please let me know.
If you want to request a feature feel free, but remember that t
is meant to
be simple. If you need anything beyond the basics you might want to look at
todo.txt or TaskWarrior instead. They’re great tools with lots of
bells and whistles.
If you want to contribute code to t
, that’s great! Fork the [Mercurial
repository][] on BitBucket or the git mirror on GitHub and send me a pull request.


|
|
IFXGenerator Class ReferenceThis is the main interface for IFXGenerator.
More...
Inheritance diagram for IFXGenerator:
List of all members.
Detailed Description
This is the main interface for IFXGenerator.
- Note:
- The associated IID is named IID_IFXGenerator.
Member Function Documentation
| virtual const IFXMatrix4x4& IFXAPI IFXGenerator::GetTransform |
( |
|
) |
[pure virtual] |
|
| virtual IFXRESULT IFXAPI IFXGenerator::InvalidateTransform |
( |
|
) |
[pure virtual] |
|
| virtual IFXRESULT IFXAPI IFXGenerator::SetTransform |
( |
const IFXMatrix4x4 & |
tInTransform |
) |
[pure virtual] |
|
© 1999 - 2006 Intel Corporation. All rights reserved.
* Other names and brands may be claimed as the property of others.
|
|


Aids in the extensibility of CLI by focusing potential changes into one structure.
More...
|
| std::string | desc |
| | Description of this parameter, if any. More...
|
| |
| bool | isFlag |
| | True if the wasPassed value should not be ignored. More...
|
| |
| std::string | name |
| | Name of this parameter. More...
|
| |
| std::string | tname |
| | Type information of this parameter. More...
|
| |
| boost::any | value |
| | The actual value of this parameter. More...
|
| |
| bool | wasPassed |
| | True if this parameter was passed in via command line or file. More...
|
| |
Aids in the extensibility of CLI by focusing potential changes into one structure.
Definition at line 382 of file cli.hpp.
| std::string mlpack::ParamData::desc |
Description of this parameter, if any.
Definition at line 387 of file cli.hpp.
| bool mlpack::ParamData::isFlag |
True if the wasPassed value should not be ignored.
Definition at line 395 of file cli.hpp.
| std::string mlpack::ParamData::name |
Name of this parameter.
Definition at line 385 of file cli.hpp.
| std::string mlpack::ParamData::tname |
Type information of this parameter.
Definition at line 389 of file cli.hpp.
| boost::any mlpack::ParamData::value |
The actual value of this parameter.
Definition at line 391 of file cli.hpp.
| bool mlpack::ParamData::wasPassed |
True if this parameter was passed in via command line or file.
Definition at line 393 of file cli.hpp.
The documentation for this struct was generated from the following file:


NO ESCAPE A film review by Serdar Yegulalp Copyright 1997 Serdar Yegulalp
CAPSULE: Dumb dud of an SF action epic that tries to crosbreed prison movies and far-future post-apocalypse, and fumbles both.
The title NO ESCAPE aptly describes the feelings of an audience condemned to watch the movie in question. This is the first movie I've seen that tries to crossbreed a Barton Maclaine prison picture and MAD MAX. While I could give them points for being original, those points get yanked immediately back for rampant stupidity.
It is the future. Ray Liotta plays a prisoner who has been condemned to the kind of maximum-security facility that some of my more outspokenly right-wing friends would no doubt have approved of. There, he clashes with the (predictably) sadistic warden, and winds up being sent to Absolom. Absolom is a jungle island with two major populations: The Insiders, a kind of craft-guild village led by Father (Lance Henriksen), and Marek's Men, a bunch of bloodthirsty Mad-Max-style headhunters led by -- who else? -- Marek (Stuart Wilson). A clash between the two forces is inevitable, with Liotta's character being in the midst of it all.
The movie brazenly ignores so many things it's appalling. Why were these slave labor camps built in the first place, since they aren't visibly profitable in any sense? What's all the hoopla about keeping them a secret from spy satellites? Why is it that the slave camps never seem to get much in the way of work done? And so on. It's plain there was never a moment's thought at the script level to really dealing with any of this; the movie eists as a series of action set-pieces, each only peripherally linked to the next. It's also got a monumentally huge cheat of an ending -- it doesn't conclude; it just stops dead, as if the final scenes were not filmed.
Ray Liotta is a good actor and I enjoy him in just about anything. In this movie, he's a cut above the average hunk of beefcake used by most filmmakers to absorb bullets; he can actually *act*, although the character he's given to portray is a thin and uninteresting one. Lance Henriksen looks approprately weathered and haggard (when has he *ever* looked young?), and Stuart Wilson as Marek is appropriately in-your-face and loud. But the movie doesn't care to equip these people with much to do except stumble through the contrivances of the plot.
The movie sure *looks* impressive; they spent some fairly hefty money on the set design and pyrotechnics. The producer was Gale Anne Hurd (THE TERMINATOR, ALIEN NATION), and she's been known to stand behind some fairly innovative projects that deal with the fantastic. NO ESCAPE is not one of them.
Two out of four escape pods.
<EMAIL_ADDRESS>EFNet IRC: GinRei http://www.io.com/~syegul another worldly device... UNMUTUAL: A Digital Art Collective - E-mail<EMAIL_ADDRESS>for details
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
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Related links: index of all rec.arts.movies.reviews reviews


Name:Kushimo Bashir
Gender:Male
Age:20
Faculty:Science
Department:Mathematics
BIO:my name is kushimo Bashir,I am a very energetic person with great sense of humor.
I am a student of university of lagos.I repair all kind of phones,
i also sell iphones and laptops.
Likes:I like playing football, watching comedy and i also like boxing.
Skills:


Audi RS Q8 Debuts With The Same Top Speed As The Lamborghini Urus
Meet Audi's most powerful and fastest SUV ever.
by Adrian PadeanuUPDATE: Audi has confirmed the RS Q8 will be available in the U.S. next year.
Audi Sport is not wasting any time as only months after introducing the SQ8, they’re now coming out with the big guns by unveiling the RS Q8. Already crowned the fastest SUV at the Nürburgring with a 7:42.253 lap time, the fully fledged RS version of the company’s flagship SUV is the fastest and most powerful model of the “Q” range and the third RS SUV to be unveiled this year after the RS Q3 and RS Q3 Sportback.
Much like the recently introduced RS6 Avant and RS7 Sportback, the RS Q8 uses a twin-turbo 4.0-liter V8 gasoline engine with a mild-hybrid system to develop 592 horsepower (441 kilowatts) and 590 pound-feet (800 Newton-meters) of torque. The eight-cylinder muscle enables the large SUV to hit 62 mph (100 km/h) from a standstill in only 3.8 seconds, which makes it only two-tenths of a second slower than the mighty Lamborghini Urus. The 0-124 mph (0-200 km/h) sprint takes 13.7 seconds or 0.9s more than the Urus, while electronically governed top speed is the same for both – 189.5 mph (305 km/h).
Gallery: 2020 Audi RS Q8
The Q8 with its coupe-ish swoopy roofline is already one of the more attractive SUVs you can buy, but the RS version kicks things up a notch with its giant air intakes up front and the pair of oval exhaust tips reserved to the RS models. It rides on 22-inch wheels wrapped in the largest tires ever fitted as standard on a production Audi, measuring 295/40. However, the rims you’re seeing are even larger, a 23-inch set available in different colors exclusively for the RS Q8.
Behind the large alloys are optional ceramic brakes for superior stopping power with massive 440-mm (17.3-inch) discs up front and 370 mm (14.6 inches) at the back. Equipped with all-wheel steering, the RS version is 10 mm (0.4 inches) wider at the front and 5 mm (0.2 inches) at the rear compared to the standard Q8 and has a sportier roof-mounted spoiler providing more downforce on the rear axle for increased stability at high speeds. High-gloss black exterior details further separate the RS model from the regular Q8.
Save Thousands On A New Audi Q8
MSRP $ 68,395
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Stepping inside, Audi has installed a pair of sport seats covered in black leather and Alcantara adorned by the embossed RS logo. The ones you’re seeing in the official images are the optional RS sport seats covered in Valcona leather and with a honeycomb pattern sending out a sportier vibe. RS-specific displays in the digital instrument cluster come as standard, and even the optional head-up display has some graphics reserved to the RS Q8.
Audi will have the RS Q8 on sale in European countries from the first quarter of 2020, with pricing in domestic market Germany to kick off at €127,000.


A LIFE LESS ORDINARY (1997)
A film review by Steve Kong Copyright 1997 Steve Kong
The team that made Trainspotting has come back and made a new film, but since I've never seen Trainspotting I didn't know what to expect when I stepped into the theatre to watch A Life Less Ordinary. What I got was a wonderfully hilarious and silly romantic, action, comedy. This is what Alicia Silverstone's horribly terrible Excess Baggage should have been.
God has implemented a new strategy in heaven. Angels are sent down to Earth to make people fall in love and if the angels are successful, they get to return to heaven. If not, they get to stay on Earth. O'Reilly (Holly Hunter) and Jackson (Delroy Lindo) are the first two angels that this policy gets stuck on. Their job? Get Robert (Ewan McGregor) and Celine (Cameron Diaz) to fall in love. The problem is that these are two completely different people. Celine is a spoiled rich girl of a millionaire and Robert is a lowly dreamer janitor for the company that Celine's dad owns.
Robert is fired and is being replaced by a robot. He is evicted from his home and dumped by his girlfriend. His life is in the toilet and he's just about to go postal. And he does. He goes to threaten his ex-boss into giving him back his job but in a chain of events ends up kidnapping the ex-boss' daughter, Celine.
Here we follow Robert and Celine in a road-trip type film and we see that as much as we, and the angels, want to have Robert and Celine fall in love, some strange cosmic force seems to be pulling them apart. This makes it different from the typical romantic comedy where the two would instantaneously fall in love. The two of them go through a series of events that lead them to fall in love together, at least we think. One of the problems though is that in the events that Robert and Celine go through don't really all seem to fit together well and they feel like a bunch of funny skits put together. Which for A Life Less Ordinary is not that bad.
I found myself laughing out loud many times during A Life Less Ordinary. The film definitely has its moments. The film is tries to be quirky and sometimes it works out very well, but other times it just seems like the film makers are trying way too hard.
Worth mentioning is the camera work and the music. The camera work is different to say the least. It is very stylistic camera work and there were more than a few shots that I really loved seeing. The music is also great. The score itself is somewhat forgettable but the music that goes along with the film is perfect. This includes "Beyond the Sea" which is the love song that Robert picks for Celine in a country-western karioke bar.
The performances were all great. I loved Holly Hunter's over-the-top performance the most. She is hilarious throughout the film. The two leads are great too, though, I would suggest a haircut for McGregor, that nappy hair just does not work. Cameron Diaz, who starred in one of my favorites from this summer, My Best Friend's Wedding, goes from the perky perfect girl in My Best Friend's Wedding to the conniving, cheating, and spoiled daughter in A Life Less Ordinary. And Delroy Lindoy is just fantastic as Jackson the poetic angel.
A Life Less Ordinary is a must see movie. It is hilarious and very enjoyable and its two-hour showing moves along rather quickly. When you see A Life Less Ordinary look for the exceptionally funny scene in which Robert demands a ransom from Celine's father. Now that I know what the Trainspotting team can do, I'm going to go rent Trainspotting and see how it's like.
!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=! steve kong<EMAIL_ADDRESS>find the latest movie reviews at the hard boiled movie page http://boiled.sbay.org/boiled/ !=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!=!
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


"""
Forward preparation for supporting more services.
"""
# python imports
import os
import shutil
import urllib
import urllib2
import zipfile
# ft imports
import FloatingTools
# currently supported services
SERVICES = dict()
TOOLBOXES = dict()
# Errors
class InvalidHandler(Exception):
pass
class InvalidHandlerType(Exception):
pass
class InvalidToolbox(Exception):
pass
# functions
[docs]def getHandler(handlerType):
"""
Get the class associated with the handler type passed.
:param handlerType: str key in the FloatingTools.Services.SERVICES
"""
try:
return SERVICES[handlerType]
except KeyError:
raise InvalidHandlerType('Handler Type passed does not exists.\n')
def services():
"""
Get all the currently loaded services
"""
return SERVICES
# main abstract class
[docs]class Handler(object):
"""
Represents a FloatingTools compatible toolbox service
"""
# reserved
_TYPE_ = None
SOURCE_FIELDS = dict()
SOURCE_FIELDS_ORDER = dict()
# data model for Toolboxes
DATA_MODEL = dict(
# information used to describe the toolbox for recreation
type=None, # assigned at toolbox creation (str)
name=None, # assigned at toolbox creation (str)
source=None, # assigned at toolbox creation (dict)
# settings
load=False, # to load or not
apps={}, # script loading settings help here organized by application
# diagnostics
loadTimes={}, # toolbox load times organized by application
)
@staticmethod
[docs] def downloadSource(url, path, timeout=5):
"""
Download source from a passed url and install it where you defined using the path parameter. This includes a
time out function.
:parameter url: str
:parameter path: str
:parameter timeout: How long to wait before timing out.
"""
try:
urllib2.urlopen(url=url, timeout=timeout)
urllib.urlretrieve(url, path)
return True
except:
FloatingTools.FT_LOOGER.warning('Connection time out from %s.\nPath may be invalid or the website has '
'direct downloads blocked my flagging FloatingTools as spam.\nContact the '
'site admin OR download and unpack to zip manually and point to it using '
'the "Local" service instead of the URL service.' % url)
return False
@classmethod
[docs] def addSourceField(cls, label, _type=str):
"""
Adding a source field is required for setting up the source data. This can be a url field or fields. Usually
string types are fine.
:parameter label: The label that will be presented on the field
:parameter _type: This will determine the kind of field that will be presented when the field is rendered on the website front end
"""
if cls.__name__ not in cls.SOURCE_FIELDS:
cls.SOURCE_FIELDS[cls.__name__] = {}
cls.SOURCE_FIELDS[cls.__name__][label] = _type
if cls.__name__ not in cls.SOURCE_FIELDS_ORDER:
cls.SOURCE_FIELDS_ORDER[cls.__name__] = []
cls.SOURCE_FIELDS_ORDER[cls.__name__].append(label)
@classmethod
[docs] def registerHandler(cls, _type):
"""
This needs to be done so FT knows how to handle different source types.
:parameter _type:
"""
global SERVICES
# register with global
cls._TYPE_ = _type
SERVICES[_type] = cls
FloatingTools.Dashboard.setDashboardVariable('services', SERVICES)
@classmethod
[docs] def handlerName(cls):
"""
This handlers name. This will be whatever you named the class.
"""
return cls.__name__
def __str__(self):
return "Toolbox Handler(Service: %s, Name: %s, Loaded: %s)" % (
self._TYPE_,
self.name(),
self.settings()['load']
)
def __init__(self, install=True, **sourceFields):
global TOOLBOXES
# instance variables
self._toolbox_name = None
self._source = sourceFields
self._source_path = None
self._source_settings = None
self._toolbox_paths = None
self._toolbox_menu_order = []
self._toolbox_menu_content = {}
self._toolbox_html_content = {}
self._install_path = None
self._id = id(self)
self._is_pointer = False
# run init functions
self.loadSource(self._source)
# validate the handlers been set up right.
if not self._toolbox_name:
raise NameError('There is no name assigned to this Toolbox Handler. You must check your handler to make '
'sure it sets the toolbox name in the Handler.loadSource function.')
# only run install process if it doesnt appear to be installed already.
if install:
if not os.path.exists(self.installDirectory()):
os.makedirs(self.installDirectory())
# execute install command
self.install()
# register this instance as a toolbox
TOOLBOXES[self._toolbox_name] = self
# settings file
self.settings()
[docs] def installZip(self, zipPath):
"""
Helper for installing zips.
:parameter zipPath: str
"""
# load zip file
zipRef = zipfile.ZipFile(zipPath, 'r')
# begin unpack
os.chdir(self.installDirectory())
root = zipRef.filelist[0].filename.split('/')[0]
for i in zipRef.filelist:
# create local paths
cleanPath = i.filename.replace(root + '/', '')
if cleanPath == '' or i.filename.startswith('__MACOSX') or os.path.basename(i.filename).startswith('.'):
continue
# extract file contents
initialInstall = zipRef.extract(i)
reinstallPath = os.path.join(self.installDirectory(), *i.filename.replace(root, '').split('/'))
# move
shutil.move(initialInstall, reinstallPath)
# delete directory
shutil.rmtree(os.path.join(self.installDirectory(), root))
# close the zipfile
zipRef.close()
# remove old zip
os.unlink(zipPath)
[docs] def updateSettings(self, update):
"""
Update the settings that are associated with this toolbox.
:parameter update: dictionary
"""
sourceData = FloatingTools.sourceData()
for source in sourceData:
if source['name'] == self._toolbox_name:
sourceData.pop(sourceData.index(source))
sourceData.append(update)
self._source_settings = update
break
FloatingTools.updateSources(sourceData)
[docs] def settings(self):
"""
Settings associated with the toolbox.
"""
if not self._source_settings:
# pull source data
sourceData = FloatingTools.sourceData()
for source in sourceData:
if source['name'] == self._toolbox_name:
self._source_settings = source
break
# create a default entry if it doesnt exist
if not self._source_settings:
# clone the model so the global is untouched.
settings = self.DATA_MODEL.copy()
# set default values
settings['name'] = self.name()
settings['type'] = self._TYPE_
settings['source'] = self._source
# update source data and set instance variable
sourceData.append(settings)
FloatingTools.updateSources(sourceData)
self._source_settings = settings
return self._source_settings
[docs] def addMenuItem(self, menu, command, html=None):
"""
A menu item will show up wrapper application and, if the html argument is passed as well, it will show up in
Dashboard in the ToolShed.
:parameter menu: str for the menu to display. You can submenu with '/'
:parameter command: callable function
:parameter html: The raw html call as a string
"""
self._toolbox_menu_order.append(menu)
self._toolbox_menu_content[menu] = command
# add html information
if html and menu not in self._toolbox_html_content:
self._toolbox_html_content[menu] = dict(tag=os.path.basename(menu), html=html)
[docs] def sourcePath(self):
"""
Path to the source data that builds the toolbox
"""
return self._source_path
[docs] def setSourcePath(self, path):
"""
Set the path that the original source is coming from. Set during the Handler.loadSource()
.. code-block:: python
:linenos:
def loadSource(self, source):
# simple example pulled from the URLHandler class
website = source['URL'].split('.com')[0] + '.com'
toolLink = os.path.dirname(source['URL']).rstrip('/')
# set handler variables
self.setSourcePath(source['URL']) # pass the website url that the zip will be downloaded from.
etc...
:parameter path: any kind of python object
"""
self._source_path = path
[docs] def name(self):
"""
Each Handler instance has a name that represents what toolbox it has loaded. This name is used for many
functions including the data model that the settings file saves.
"""
return self._toolbox_name
[docs] def setName(self, name):
"""
This MUST be set during the Handler.loadSource() function.
"""
self._toolbox_name = name
[docs] def loadSource(self, source):
"""
This will be called when the tool box is initiated. Subclass this function to load your source information add
your files (but not install). To execute the installation of files, redefine Handler.install()
.. code-block:: python
:linenos:
def loadSource(self, source):
# simple example pulled from the GitHubHandler class
username = source['username']
repository = source['repository']
githubLink = "www.github.com/%s/%s/" % (username, repository)
self.setName(username + '/' + repository)
self.setSourcePath(githubLink)
:parameter source: dictionary with keys representing source field names and the associated values
"""
raise NotImplementedError()
[docs] def setIsPointer(self, value=False):
"""
Handlers can either "pull" or "point". Pull boxes usually require files to be installed. Point boxes point to a
location on disk and do not modify the location at all. If you want to protect a location on disk from
accidental deletion through the Handler.uninstall() function, set this handler to be a pointer to block the
uninstall call.
"""
self._is_pointer = value
[docs] def isPointer(self):
"""
Handlers can either "pull" or "point". Pull boxes usually require files to be installed. Point boxes point to a
location on disk and do not modify the location at all.
"""
return self._is_pointer
[docs] def setInstallLocation(self, location):
"""
Set the location that the toolbox is to be installed in. This MUST be done if you intend on allowing for
Handler.uninstall() to work correctly.
:parameter location: str
"""
self._install_path = location
[docs] def installDirectory(self):
"""
Get the designated install directory for this toolbox. This is assigned to the cache directory inside
FloatingTools by default. You can set this in your handler.loadSource() function by using handler.setInstallLocation(Your path).
This will respect '/' for declaring subdirectories. For example, 'aldmbmtl/toolbox' will create toolbox inside
aldmbmtl.
"""
if not self._install_path:
return os.path.join(FloatingTools.FLOATING_TOOLS_CACHE, *self.name().split('/'))
return self._install_path
[docs] def install(self):
"""
This will be called when the tool box is initiated and after the Handler.loadSource() call. Subclass this for
installing your content. This is required if the handler needs to download and unpack content from the internet.
If this handler is defined in the loadSource as a "pointer" using Handler.setIsPointer(True), this function is
not required. Otherwise, you must sub-class this function or it will throw NotImplementedError.
.. code-block:: python
:linenos:
def install(self):
# simple example pulled from the GitHubHandler class
zipURL = self.sourcePath().get_archive_link('zipball')
self.downloadSource(zipURL, zipPath)
self.installZip(zipPath)
"""
if not self._is_pointer:
raise NotImplementedError()
[docs] def uninstall(self):
"""
Uninstalls this toolbox from the installation directory. This can not be undone and there is no safety question.
"""
if not self._is_pointer:
shutil.rmtree(self.installDirectory())
# purge all settings from the source data
data = FloatingTools.sourceData()
for toolbox in data:
if toolbox['name'] == self.name():
data.remove(toolbox)
break
FloatingTools.updateSources(data)
# delete self from global dict
global TOOLBOXES
del TOOLBOXES[self.name()]


--- layout: page title: About header-img: "img/about-bg.png" ---
This blog documents my journey into learning new web development techniques to become a more well-rounded author.


I think we had a pretty successful meeting today. I’m proud to have hosted a small digital forum with a few members of the Venezuelan community as well as @pgarcgo of the Cervantes Spanish community. The topics ranged a few places. There were some touching stories of poverty in the streets. I’m stuck with the image of a few children eating worms out of a can to find enough food. There are stories of financial hardship in that the minimum wage in the country isn’t enough to buy groceries. There are clearly some deep rooted economic conditions that are shaping the lives of the every day people.
I was a little surprised to hear about some in the community are aok living happy lives with more than enough to meet their needs. The narrative of haves and have nots ins’t really coming through the American media.
I’m wondering how do we help so we’re investigating using a team of Venezuelan programmers to put together a Steem centric job board. We were able to raise a few thousand Sp in delegations for Cervantes while on air. I passed Cervantes a witness vote to help them along and build up the Spanish speaking community on Steem.
Fiddling
During the broadcast I was fiddling with a bunch of twenty dollar bills I recently took out to pay our baby sitter over the next week or two. I was figiting with them thinking about the fact that one of those $20 bills is the same amount of money that an engineer makes in Venezuela in a whole month. That’s staggering to me.
That’s part of why I want to see the walls of commerce come down. It’s somewhat exploitive to start to use Venezuelans to build a platform for job seeking, but once it’s up we should see a better system to connect job seekers with employers or more like gig posters with gig fulfillers. I imagine as the barrier drops we’ll see more and more people getting hired and as the supply of labor diminishes we should see prices (wages) rise.
It’s also staggering to think that a single upvote of mine of which I can drop ten per day is the equivalent ot a monthly salary for many Venezuelans. It puts that into a better perspective… that said I have 16k active SP and my voting strength is 70% that means if you own 11k Steem and solely vote for Venezuelans and similarly economically disadvantaged people that you could support 300 people a month with a vote that covers the same as their wages for a month.
Muchas Gracias
Anyway, great thanks to those that were on the panel, joined us live during the show, and shared their experiences and their thoughts with us.
@amanardis
@feuerbolt
@spicyshai
@kravelious
@michelcamacaro
@drmaizo
@pgarcgo
Many blessings of Peace, Abundance, and Liberty to you all.
<3
Aggy
This page is synchronized from the post: ‘Steem Impact Forum- Venezuela - the recording’


public class NodeEnvironment extends AbstractComponent implements java.io.Closeable
| Modifier and Type | Class and Description |
|---|---|
static class |
NodeEnvironment.NodePath |
| Modifier and Type | Field and Description |
|---|---|
static java.lang.String |
ADD_NODE_ID_TO_CUSTOM_PATH |
static java.lang.String |
INDICES_FOLDER |
static java.lang.String |
NODE_LOCK_FILENAME |
static java.lang.String |
NODES_FOLDER |
static java.lang.String |
SETTING_ENABLE_LUCENE_SEGMENT_INFOS_TRACE |
deprecationLogger, logger, settings
| Constructor and Description |
|---|
NodeEnvironment(Settings settings,
Environment environment) |
| Modifier and Type | Method and Description |
|---|---|
static void |
acquireFSLockForPaths(IndexSettings indexSettings,
java.nio.file.Path... shardPaths)
Acquires, then releases, all
write.lock files in the given
shard paths. |
java.nio.file.Path[] |
availableShardPaths(ShardId shardId)
Returns all shard paths excluding custom shard path.
|
void |
close() |
void |
deleteIndexDirectorySafe(Index index,
long lockTimeoutMS,
IndexSettings indexSettings)
Deletes an indexes data directory recursively iff all of the indexes
shards locks were successfully acquired.
|
void |
deleteIndexDirectoryUnderLock(Index index,
IndexSettings indexSettings)
Deletes an indexes data directory recursively.
|
void |
deleteShardDirectorySafe(ShardId shardId,
IndexSettings indexSettings)
Deletes a shard data directory iff the shards locks were successfully acquired.
|
void |
deleteShardDirectoryUnderLock(ShardLock lock,
IndexSettings indexSettings)
Deletes a shard data directory.
|
void |
ensureAtomicMoveSupported()
This method tries to write an empty file and moves it using an atomic move operation.
|
java.util.Set<java.lang.String> |
findAllIndices() |
java.util.Set<ShardId> |
findAllShardIds(Index index)
Tries to find all allocated shards for the given index
on the current node.
|
boolean |
hasNodeFile() |
java.nio.file.Path[] |
indexPaths(Index index)
Returns all index paths.
|
int |
localNodeId() |
java.util.List<ShardLock> |
lockAllForIndex(Index index,
IndexSettings settings,
long lockTimeoutMS)
Tries to lock all local shards for the given index.
|
java.util.Set<ShardId> |
lockedShards()
Returns all currently lock shards.
|
java.nio.file.Path[] |
nodeDataPaths()
Returns an array of all of the nodes data locations.
|
NodeEnvironment.NodePath[] |
nodePaths()
Returns an array of all of the
NodeEnvironment.NodePath s. |
java.nio.file.Path |
resolveCustomLocation(IndexSettings indexSettings,
ShardId shardId)
Resolve the custom path for a index's shard.
|
ShardLock |
shardLock(ShardId id)
Tries to lock the given shards ID.
|
ShardLock |
shardLock(ShardId id,
long lockTimeoutMS)
Tries to lock the given shards ID.
|
static java.nio.file.Path |
shardStatePathToDataPath(java.nio.file.Path shardPath)
Returns the
NodePath.path for this shard. |
logDeprecatedSetting, logRemovedSetting, nodeName
public static final java.lang.String ADD_NODE_ID_TO_CUSTOM_PATH
public static final java.lang.String SETTING_ENABLE_LUCENE_SEGMENT_INFOS_TRACE
public static final java.lang.String NODES_FOLDER
public static final java.lang.String INDICES_FOLDER
public static final java.lang.String NODE_LOCK_FILENAME
@Inject public NodeEnvironment(Settings settings, Environment environment) throws java.io.IOException
java.io.IOException
public void deleteShardDirectorySafe(ShardId shardId, IndexSettings indexSettings) throws java.io.IOException
shardId
- the id of the shard to delete to deletejava.io.IOException
- if an IOException occurspublic static void acquireFSLockForPaths(IndexSettings indexSettings, java.nio.file.Path... shardPaths) throws java.io.IOException
write.lock
files in the given
shard paths. The "write.lock" file is assumed to be under the shard
path's "index" directory as used by Elasticsearch.org.apache.lucene.store.LockObtainFailedException
- if any of the locks could not be acquiredjava.io.IOException
public void deleteShardDirectoryUnderLock(ShardLock lock, IndexSettings indexSettings) throws java.io.IOException
lock
- the shards lockjava.io.IOException
- if an IOException occursElasticsearchException
- if the write.lock is not acquirablepublic void deleteIndexDirectorySafe(Index index, long lockTimeoutMS, IndexSettings indexSettings) throws java.io.IOException
index
- the index to deletelockTimeoutMS
- how long to wait for acquiring the indices shard locksindexSettings
- settings for the index being deletedjava.io.IOException
- if any of the shards data directories can't be locked or deletedpublic void deleteIndexDirectoryUnderLock(Index index, IndexSettings indexSettings) throws java.io.IOException
index
- the index to deleteindexSettings
- settings for the index being deletedjava.io.IOException
public java.util.List<ShardLock> lockAllForIndex(Index index, IndexSettings settings, long lockTimeoutMS) throws java.io.IOException
LockObtainFailedException
is thrown and all previously acquired locks are released.index
- the index to lock shards forlockTimeoutMS
- how long to wait for acquiring the indices shard locksShardLock
instances for this index.java.io.IOException
- if an IOException occurs.public ShardLock shardLock(ShardId id) throws java.io.IOException
LockObtainFailedException
is thrown.
Note: this method will return immediately if the lock can't be acquired.id
- the shard ID to lockShardLock.close()
to release the lockjava.io.IOException
- if an IOException occurs.public ShardLock shardLock(ShardId id, long lockTimeoutMS) throws java.io.IOException
LockObtainFailedException
is thrownid
- the shard ID to locklockTimeoutMS
- the lock timeout in millisecondsShardLock.close()
to release the lockjava.io.IOException
- if an IOException occurs.public java.util.Set<ShardId> lockedShards()
public int localNodeId()
public boolean hasNodeFile()
public java.nio.file.Path[] nodeDataPaths()
java.lang.IllegalStateException
- if the node is not configured to store local locationspublic NodeEnvironment.NodePath[] nodePaths()
NodeEnvironment.NodePath
s.public java.nio.file.Path[] indexPaths(Index index)
public java.nio.file.Path[] availableShardPaths(ShardId shardId)
public java.util.Set<java.lang.String> findAllIndices() throws java.io.IOException
java.io.IOException
public java.util.Set<ShardId> findAllShardIds(Index index) throws java.io.IOException
index
- the index to filter shardsjava.io.IOException
- if an IOException occurspublic void close()
close
in interface java.io.Closeable
close
in interface java.lang.AutoCloseable
public void ensureAtomicMoveSupported() throws java.io.IOException
IllegalStateException
if this operation is
not supported by the filesystem. This test is executed on each of the data directories.
This method cleans up all files even in the case of an error.java.io.IOException
public java.nio.file.Path resolveCustomLocation(IndexSettings indexSettings, ShardId shardId)
IndexMetaData.SETTING_DATA_PATH
setting to determine
the root path for the index.indexSettings
- settings for the indexshardId
- shard to resolve the path topublic static java.nio.file.Path shardStatePathToDataPath(java.nio.file.Path shardPath)
NodePath.path
for this shard.


ReleaseNotes.Version_1_4
- Several minor bugs fixed.
- New models:
Modelica.Blocks.Interfaces.IntegerRealInput/IntegerRealOutput,
Modelica.Blocks.Math.TwoInputs/TwoOutputs
Modelica.Electrical.Analog.Ideal.IdealOpAmp3Pin,
Modelica.Mechanics.Rotational.Move,
Modelica.Mechanics.Translational.Move.
Version 1.4.1beta1 (February 12, 2001)
Adapted to Modelica 1.4
Version 1.3.2beta2 (June 20, 2000)
- New subpackage
Modelica.Mechanics.Translational
- Changes to
Modelica.Mechanics.Rotational:
New elements:
IdealGearR2T Ideal gear transforming rotational in translational motion.
Position Forced movement of a flange with a reference angle
given as input signal
RelativeStates Definition of relative state variables
- Changes to Modelica.SIunits:
Introduced new types:
type Temperature = ThermodynamicTemperature;
types DerDensityByEnthalpy, DerDensityByPressure,
DerDensityByTemperature, DerEnthalpyByPressure, DerEnergyByDensity,
DerEnergyByPressure
Attribute "final" removed from min and max values in order that
these values can still be changed to narrow the allowed range of
values.
Quantity="Stress" removed from type "Stress", in order that a type
"Stress" can be connected to a type "Pressure".
- Changes to Modelica.Icons:
New icons for motors and gearboxes.
- Changes to Modelica.Blocks.Interfaces:
Introduced a replaceable signal type into
Blocks.Interfaces.RealInput/RealOutput:
replaceable type SignalType = Real
in order that the type of the signal of an input/output block can
be changed to a physical type, for example:
Sine sin1(outPort(redeclare type SignalType=Modelica.SIunits.Torque))
Version 1.3.1 (Dec. 13, 1999)
First official release of the library.
Generated at 2018-08-07T07:53:32Z by OpenModelicaOpenModelica
1.13.0~dev-1195-g6d891ea