|
Apache log4cxx
Version 0.10.0
|
A flexible layout configurable with pattern string. More...
Inherits Layout.
Public Member Functions | |
| PatternLayout () | |
| Does nothing. More... | |
| PatternLayout (const LogString &pattern) | |
| Constructs a PatternLayout using the supplied conversion pattern. More... | |
| void | setConversionPattern (const LogString &conversionPattern) |
| Set the ConversionPattern option. More... | |
| LogString | getConversionPattern () const |
| Returns the value of the ConversionPattern option. More... | |
| virtual void | activateOptions (log4cxx::helpers::Pool &p) |
| Call createPatternParser. More... | |
| virtual void | setOption (const LogString &option, const LogString &value) |
Set option to value . More... | |
| virtual bool | ignoresThrowable () const |
| The PatternLayout does not handle the throwable contained within LoggingEvents. More... | |
| virtual void | format (LogString &output, const spi::LoggingEventPtr &event, log4cxx::helpers::Pool &pool) const |
| Produces a formatted string as specified by the conversion pattern. More... | |
| Public Member Functions inherited from Layout | |
| virtual | ~Layout () |
| void | addRef () const |
| void | releaseRef () const |
| virtual LogString | getContentType () const |
| Returns the content type output by this layout. More... | |
| virtual void | appendHeader (LogString &output, log4cxx::helpers::Pool &p) |
| Append the header for the layout format. More... | |
| virtual void | appendFooter (LogString &output, log4cxx::helpers::Pool &p) |
| Append the footer for the layout format. More... | |
| Public Member Functions inherited from OptionHandler | |
| virtual | ~OptionHandler () |
| Public Member Functions inherited from Object | |
| virtual const helpers::Class & | getClass () const |
| virtual | ~Object () |
| virtual bool | instanceof (const Class &clazz) const =0 |
| virtual const void * | cast (const Class &clazz) const =0 |
| Public Member Functions inherited from ObjectImpl | |
| ObjectImpl () | |
| virtual | ~ObjectImpl () |
Protected Member Functions | |
| virtual log4cxx::pattern::PatternMap | getFormatSpecifiers () |
Additional Inherited Members | |
| Static Public Member Functions inherited from Object | |
| static const helpers::Class & | getStaticClass () |
| static const log4cxx::helpers::ClassRegistration & | registerClass () |
| Protected Attributes inherited from ObjectImpl | |
| unsigned int volatile | ref |
A flexible layout configurable with pattern string.
The goal of this class is to format a LoggingEvent and return the results as a string. The results depend on the conversion pattern.
The conversion pattern is closely related to the conversion pattern of the printf function in C. A conversion pattern is composed of literal text and format control expressions called conversion specifiers.
You are free to insert any literal text within the conversion pattern.
Each conversion specifier starts with a percent sign (%) and is followed by optional format modifiers and a conversion character. The conversion character specifies the type of data, e.g. logger, level, date, thread name. The format modifiers control such things as field width, padding, left and right justification. The following is a simple example.
Let the conversion pattern be "\%-5p [\%t]: \%m\%n" and assume that the log4cxx environment was set to use a PatternLayout. Then the statements
LoggerPtr root = Logger::getRoot(); root->debug("Message 1"); root->warn("Message 2");
would yield the output
DEBUG [main]: Message 1 WARN [main]: Message 2
Note that there is no explicit separator between text and conversion specifiers. The pattern parser knows when it has reached the end of a conversion specifier when it reads a conversion character. In the example above the conversion specifier %-5p means the level of the logging event should be left justified to a width of five characters.
The recognized conversion characters are
| Conversion Character | Effect |
c | Used to output the logger of the logging event. The logger conversion specifier can be optionally followed by precision specifier, that is a decimal constant in brackets. If a precision specifier is given, then only the corresponding number of right most components of the logger name will be printed. By default the logger name is printed in full. For example, for the logger name "a.b.c" the pattern %c{2} will output "b.c". |
| d | Used to output the date of the logging event. The date conversion specifier may be followed by a set of braces containing a date and time pattern string compatible with java.text.SimpleDateFormat, ABSOLUTE, DATE or ISO8601. For example, d{HH:mm:ss,SSS}, d{dd MMM yyyy HH:mm:ss,SSS} or d{DATE}. If no date format specifier is given then ISO8601 format is assumed.
 F	 Used to output the file name where the logging request was issued.

 l	 Used to output location information of the caller which generated the logging event.

 L	 Used to output the line number from where the logging request was issued.

 m	 Used to output the application supplied message associated with the logging event.

 n	 Outputs the platform dependent line separator character or characters.
This conversion character offers practically the same performance as using non-portable line separator strings such as "\n", or "\r\n". Thus, it is the preferred way of specifying a line separator.

 p	 Used to output the level of the logging event.

 r	 Used to output the number of milliseconds elapsed since the start of the application until the creation of the logging event.

 t	 Used to output the name of the thread that generated the logging event.

 x	 Used to output the NDC (nested diagnostic context) associated with the thread that generated the logging event.

 X
Used to output the MDC (mapped diagnostic context) associated with the thread that generated the logging event. The X conversion character must be followed by the key for the map placed between braces, as in \%X{clientNumber} where clientNumber is the key. The value in the MDC corresponding to the key will be output.

See MDC class for more details.

 \%	 The sequence \%\% outputs a single percent sign.

By default the relevant information is output as is. However, with the aid of format modifiers it is possible to change the minimum field width, the maximum field width and justification.
The optional format modifier is placed between the percent sign and the conversion character.
The first optional format modifier is the left justification flag which is just the minus (-) character. Then comes the optional minimum field width modifier. This is a decimal constant that represents the minimum number of characters to output. If the data item requires fewer characters, it is padded on either the left or the right until the minimum width is reached. The default is to pad on the left (right justify) but you can specify right padding with the left justification flag. The padding character is space. If the data item is larger than the minimum field width, the field is expanded to accommodate the data. The value is never truncated.
This behavior can be changed using the maximum field width modifier which is designated by a period followed by a decimal constant. If the data item is longer than the maximum field, then the extra characters are removed from the beginning of the data item and not from the end. For example, it the maximum field width is eight and the data item is ten characters long, then the first two characters of the data item are dropped. This behavior deviates from the printf function in C where truncation is done from the end.
Below are various format modifier examples for the logger conversion specifier.

 Format modifier	 left justify	 minimum width	 maximum width	 comment

 \%20c	 false	 20	 none	 Left pad with spaces if the logger name is less than 20 characters long.
 \%-20c	 true	 20	 none	 Right pad with spaces if the logger name is less than 20 characters long.
 \%.30c	 NA	 none	 30	 Truncate from the beginning if the logger name is longer than 30 characters.
 \%20.30c	 false	 20	 30	 Left pad with spaces if the logger name is shorter than 20 characters. However, if logger name is longer than 30 characters, then truncate from the beginning.
 \%-20.30c	 true	 20	 30	 Right pad with spaces if the logger name is shorter than 20 characters. However, if logger name is longer than 30 characters, then truncate from the beginning.

Below are some examples of conversion patterns.
\%r [\%t] \%-5p \%c \%x - \%m\n
This is essentially the TTCC layout.
\%-6r [\%15.15t] \%-5p \%30.30c \%x - \%m\n
Similar to the TTCC layout except that the relative time is right padded if less than 6 digits, thread name is right padded if less than 15 characters and truncated if longer and the logger name is left padded if shorter than 30 characters and truncated if longer.
The above text is largely inspired from Peter A. Darnell and Philip E. Margolis' highly recommended book "C -- a Software Engineering Approach", ISBN 0-387-97389-3. |
| PatternLayout | ( | ) |
Does nothing.
| PatternLayout | ( | const LogString & | pattern | ) |
Constructs a PatternLayout using the supplied conversion pattern.
|
virtual |
Call createPatternParser.
Implements OptionHandler.
|
virtual |
Produces a formatted string as specified by the conversion pattern.
Implements Layout.
|
inline |
Returns the value of the ConversionPattern option.
|
protectedvirtual |
|
inlinevirtual |
The PatternLayout does not handle the throwable contained within LoggingEvents.
Thus, it returns true
.
Implements Layout.
| void setConversionPattern | ( | const LogString & | conversionPattern | ) |
Set the ConversionPattern option.
This is the string which controls formatting and consists of a mix of literal content and conversion specifiers.
Set option
to value
.
The handling of each option depends on the OptionHandler instance. Some options may become active immediately whereas other may be activated only when activateOptions is called.
Implements OptionHandler.


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--- layout: page title: About header-img: "img/about-bg.png" ---
After been a Project Manager in Technology for a number of years, I am now trying to dig deeper into the world I am trying to help build!


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|
intprim_framework_ros
|
#include <interaction_core.h>
Public Member Functions | |
| InteractionCore (ros::NodeHandle handle, std::vector< std::unique_ptr< DeviceInterface >> device_interfaces, std::unique_ptr< PredictorInterface > predictor_interface) | |
| void | begin_demonstration (unsigned int observation_rate, unsigned int max_observation_length, bool require_clock=false, bool wait_for_control=false, bool check_valid=true) |
| void | end_demonstration () |
| void | export_demonstration (std::string file_name) |
| void | begin_response (unsigned int observation_rate, unsigned int max_observation_length, unsigned int response_rate, unsigned int minimum_observation_length, bool require_clock=false, bool wait_for_control=false, bool check_valid=true) |
| void | end_response () |
| float | evaluate_demonstration (std::string file_name, unsigned int minimum_observation_length) |
| void | get_statistics (std::string bag_file) |
The InteractionCore class is responsible for starting and stopping interactions, collecting and synchronizing data, and communicating with the IntPrim Python library in order to generate responses.
An interaction can take one of two forms: either a train interaction or a test interaction. Train interactions consist of observations which are used to create demonstrations to serve as prior knowledge for the probabilistic model created by Bayesian Interaction Primitives. Test interactions consist of observations which are fed to the probabilistic model created by Bayesian Interaction Primitives in order to generate an appropriate response, e.g., a robot control policy.
As such, starting a train interaction consists of creating a single process to collect and synchronize observations at a given frequency. This is handled by begin_demonstration(). Once the interaction has been stopped via end_demonstration(), the observations may be exported to a CSV for further processing with export_demonstration(). See introduction.ipynb (LINK THIS) for information on how these files may be utilized to create a BIP prior.
A test interaction is started and ended with begin_response() and end_response() respectively. In contrast to training, testing starts two processes which run concurrently: a process which collects and synchronizes observations (the same as in training); and a process which takes the collected observations and passes them off to IntPrim at a given frequency. IntPrim will perform inference and return a predicted response. By default, InteractionCore will publish this response to the ROS topic defined in the rosparam control/control_topic.
The collection and synchronization of data is handled by observe(). This function spins at a rate of observation_rate Hz and every iteration collects the latest observation available from each device_interface and appends it to an internal buffer. In order to avoid blocking execution, this function is spun off into its own thread. Note that this is a private function and should not be called externally. It is internally triggered through begin_demonstration() and begin_response().
Communication with the IntPrim library is handled by respond(). This function spins at a rate of respond_rate Hz and sends the observations stored in the internal buffer to IntPrim to process via a ROS service. The response from IntPrim is published out to the ROS topic defined in the rosparam control/control_topic.
| InteractionCore::InteractionCore | ( | ros::NodeHandle | handle, |
| std::vector< std::unique_ptr< DeviceInterface >> | device_interfaces, | ||
| std::unique_ptr< PredictorInterface > | predictor_interface | ||
| ) |
Initializes the InteractionCore instance.
| handle | The ROS node handle |
| device_interfaces | A vector of device_interfaces from which observations will be collected. These are polymorphic objects, so the specific device does not matter as long as they fully implement the DeviceInterface API. |
| predictor_interface | The predictor_interface which will be utilized to communicate with IntPrim. |
| void InteractionCore::begin_demonstration | ( | unsigned int | observation_rate, |
| unsigned int | max_observation_length, | ||
| bool | require_clock = false , |
||
| bool | wait_for_control = false , |
||
| bool | check_valid = true |
||
| ) |
Begins a training interaction. Observations are collected at the frequency specified by observation_rate and stored in an internal buffer.
| observation_rate | The rate at which observations are collected (in Hz). |
| max_observation_length | The maximum number of observations to keep in the internal buffer. Once this limit is reached, the oldest observation will be dropped when a new one is added. |
| require_clock | If true, observations will not be collected until a message is published on the /clock ROS topci. |
| wait_for_control | If true, observations will not be collected until a message is published on the control topic. |
| check_valid | If true, only valid observations (refer to DeviceInterface for more details) are collected. |
| void InteractionCore::begin_response | ( | unsigned int | observation_rate, |
| unsigned int | max_observation_length, | ||
| unsigned int | response_rate, | ||
| unsigned int | minimum_observation_length, | ||
| bool | require_clock = false , |
||
| bool | wait_for_control = false , |
||
| bool | check_valid = true |
||
| ) |
Begins a testing interaction. Observations are collected at the frequency specified by observation_rate and stored in an internal buffer. The observations are removed from the buffer and sent to IntPrim at the frequency specified by response_rate. The response from IntPrim is published on the topic defined by the rosparam control/control_topic.
| observation_rate | The rate at which observations are collected (in Hz). |
| max_observation_length | The maximum number of observations to keep in the internal buffer. Once this limit is reached, the oldest observation will be dropped when a new one is added. |
| response_rate | The rate at which the observations are sent to IntPrim for inference. |
| minimum_observation_length | The minimum number of observations that must be in the buffer before they are sent to IntPrim. |
| require_clock | If true, observations will not be collected until a message is published on the /clock ROS topci. |
| wait_for_control | If true, observations will not be collected until a message is published on the control topic. |
| check_valid | If true, only valid observations (refer to DeviceInterface for more details) are collected. |
| void InteractionCore::end_demonstration | ( | ) |
Ends a training interaction. Observations will no longer be collected after this point.
| void InteractionCore::end_response | ( | ) |
Ends a testing interaction.
| float InteractionCore::evaluate_demonstration | ( | std::string | file_name, |
| unsigned int | minimum_observation_length | ||
| ) |
Takes an exported demonstration (specified by file_name) and sends it to IntPrim for evaluation in batches of minimum_observation_length. The generated response is compared to the ground truth from the demonstation and the MSE values are calculated. See BayesianInteractionPrimitiveService for further details.
| file_name | The name of the demonstration to evaluate. |
| minimum_observation_length | The minimum number of observations that must be in the buffer before they are sent to IntPrim. |
| void InteractionCore::export_demonstration | ( | std::string | file_name | ) |
Exports the observations currently stored in the internal buffer to a CSV file with the name file_name.
| file_name | The name of the exported CSV file. |
| void InteractionCore::get_statistics | ( | std::string | bag_file | ) |
Exports the statistics and debugging information from the previous interaction. The export directory is dictated by ROS parameters. See BayesianInteractionPrimitiveService for further details.
| bag_file | The name of the ground truth bag file if available, else an empty string. |


FVCproductions
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Coder | Dabbler | Designer
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United State of Pop 2014
DJ Earworm
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These are my favorite videos!
Five Hours
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Funny Stuff
1. United State of Pop
2. Summermash
3. Five Hours
4. Black Lab Slides in Snow


|
Panda3D
|
Stores the kinds of data that a tracker might output. More...
Public Attributes | |
| double | dt |
| Returns the amount of elapsed time over which the information (pos and orient) were computed. More... | |
| const LOrientation | orient |
| Returns the current orientation of the tracker. More... | |
| const LPoint3 | pos |
| Returns the current position of the tracker. More... | |
| double | time |
| Returns the time at which the position information (pos and orient) are effective. More... | |
Stores the kinds of data that a tracker might output.
| double dt |
Returns the amount of elapsed time over which the information (pos and orient) were computed.
It is an error to call this if has_dt() does not return true. See set_dt().
| const LOrientation orient |
Returns the current orientation of the tracker.
It is legal to call this if has_orient() returns false; in this case, the result is always the identity orientation.
| const LPoint3 pos |
Returns the current position of the tracker.
It is legal to call this if has_pos() returns false; in this case, the position will always be (0, 0, 0).
| double time |
Returns the time at which the position information (pos and orient) are effective.
It is an error to call this if has_time() does not return true. See set_time().


A Vacation Spot was my first attempt relying on the scaffolding of Bootstrap.
Dustin Starke
Hello and welcome. Let' get right to it; I'm excited to tell you all about me.
I'm nearing my 33rd birthday.
I generally like my birthday and often enjoy going out to sing karaoke on it.
Last year I had a dance party in my backyard. It rained. #Planning
This year? I haven't come up with a good plan. Suggestions are welcomed.
I've been an educator in the public educational sphere since 2009.
I've taught high school Spanish, English to speakers of other langugages, college prep/career readiness, and credit recovery.
Last year, I was an instructional coach and I helped other teachers with their practice.
This will be my first September that I will be going to school as a student, rather than an educator.
I really like learning to code, but I feel like I need to practice more.
After this week, I think I've learned quite a bit, however applying what I know and showing it off is quite different from rudimentary understanding.
I don't know exactly where I want to go yet with coding, but as I practice more "hands on keys, I think the habit will be stronger.
I keep reminding myself that this is day 5.
I am a Rupaul's Drag Race superfan.
I have been watching the show since I moved to Portland, when it began to air, approximately ten years ago.
My absolute favorite drag queen is Katya Zamolodchikova. Her stream of conciousness thought process is just bizarre and hits every level of humor I have.
The show is a complicated favorite and I discuss it with friends at length.


Modules | |
| Font support | |
| Window System | |
Window system for organizing window elements in a graphical user interface (GUI). | |
| Widget toolkit | |
| Graphics driver |
The following image illustrates the modules of the graphical display system. Refer to the individual modules for detailed information on each of the modules.


[§486H-12] Preemption by federal law. This chapter shall not be applied in a manner that would render its application preempted by the "Petroleum Marketing Practices Act", 15 U.S.C. [section] 2801, et seq., or other applicable federal law. [L 1993, c 329, pt of §1]


Who is the best techno producer/DJ of 2019?
by MusicRadarWho is the best techno producer/DJ of 2019?
From Detroit to dub, industrial to electro, techno music in 2019 is looking as vibrant as ever, but who do you think merits the title of best techno producer/DJ of 2019?
It’s all very simple: pick your favourite below, hit the vote button and you're done, but choose wisely as you have but one chance to make your mark.
Want to vote in other Best in music tech 2019 categories? Have your say here. Voting closes at midnight on 4 December 2019.


A successful project requires many people to play many roles. Some members write code or documentation, while others are valuable as testers, submitting patches and suggestions.
The team is comprised of Members and Contributors. Members have direct access to the source of a project and actively evolve the code-base. Contributors improve the project through submission of patches and suggestions to the Members. The number of Contributors to the project is unbounded. Get involved today. All contributions to the project are greatly appreciated.
The following is a list of developers with commit privileges that have directly contributed to the project in one way or another.
| Id | Name | URL | Time Zone | Actual Time (GMT) | |
|---|---|---|---|---|---|
| doncorley | Don Corley |<EMAIL_ADDRESS>| http://www.tourgeek.com/ | -8 | -8 |
The following additional people have contributed to this project through the way of suggestions, patches or documentation.
| Name | URL | Time Zone | Actual Time (GMT) | |
|---|---|---|---|---|
| Frank Mena |<EMAIL_ADDRESS>| - | -08 | -08 |
| Jerome Bernard |<EMAIL_ADDRESS>| - | +1 | +1 |
| Andreas Brenk |<EMAIL_ADDRESS>| http://andreasbrenk.com/ | +01 | +01 |


Load all data about the cases from the database.
getDbCaseCrossoverData( connectionDetails, cdmDatabaseSchema, oracleTempSchema = cdmDatabaseSchema, outcomeDatabaseSchema = cdmDatabaseSchema, outcomeTable = "condition_era", outcomeIds = c(), useNestingCohort = FALSE, nestingCohortDatabaseSchema = cdmDatabaseSchema, nestingCohortTable = "cohort", nestingCohortId = NULL, useObservationEndAsNestingEndDate = TRUE, getVisits = FALSE, exposureDatabaseSchema = cdmDatabaseSchema, exposureTable = "drug_era", exposureIds = c(), studyStartDate = "", studyEndDate = "", getTimeControlData = FALSE, maxNestingCohortSize = 1e+07, maxCasesPerOutcome = 5e+05 )
| connectionDetails | An R object of type |
|---|---|
| cdmDatabaseSchema | The name of the database schema that contains the OMOP CDM instance. Requires read permissions to this database. On SQL Server, this should specify both the database and the schema, so for example 'cdm_instance.dbo'. |
| oracleTempSchema | A schema where temp tables can be created in Oracle. |
| outcomeDatabaseSchema | The name of the database schema that is the location where the data used to define the outcome cohorts is available. If outcomeTable = CONDITION_ERA, outcomeDatabaseSchema is not used. Requires read permissions to this database. |
| outcomeTable | The tablename that contains the outcome cohorts. If outcomeTable is not CONDITION_OCCURRENCE or CONDITION_ERA, then expectation is outcomeTable has format of COHORT table: COHORT_DEFINITION_ID, SUBJECT_ID, COHORT_START_DATE, COHORT_END_DATE. |
| outcomeIds | A list of ids used to define outcomes. If outcomeTable = CONDITION_OCCURRENCE, the list is a set of ancestor CONCEPT_IDs, and all occurrences of all descendant concepts will be selected. If outcomeTable <> CONDITION_OCCURRENCE, the list contains records found in COHORT_DEFINITION_ID field. |
| useNestingCohort | Should the study be nested in a cohort (e.g. people with a specific indication)? If not, the study will be nested in the general population. |
| nestingCohortDatabaseSchema | The name of the database schema that is the location where the nesting cohort is defined. |
| nestingCohortTable | Name of the table holding the nesting cohort. This table should have the same structure as the cohort table. |
| nestingCohortId | A cohort definition ID identifying the records in the nestingCohortTable to use as nesting cohort. |
| useObservationEndAsNestingEndDate | When using a nesting cohort, should the observation period end date be used instead of the cohort end date? |
| getVisits | Get data on visits? This is needed when performing a time- case-control study and matching on visit date is requested later on. |
| exposureDatabaseSchema | The name of the database schema that is the location where the exposure data used to define the exposure cohorts is available. If exposureTable = DRUG_ERA, exposureDatabaseSchema is not used but assumed to be cdmSchema. Requires read permissions to this database. |
| exposureTable | The tablename that contains the exposure cohorts. If exposureTable <> DRUG_ERA, then expectation is exposureTable has format of COHORT table: cohort_concept_id, SUBJECT_ID, COHORT_START_DATE, COHORT_END_DATE. |
| exposureIds | A list of identifiers to define the exposures of interest. If exposureTable = DRUG_ERA, exposureIds should be CONCEPT_ID. If exposureTable <> DRUG_ERA, exposureIds is used to select the cohort_concept_id in the cohort-like table. If no exposureIds are provided, all drugs or cohorts in the exposureTable are included as exposures. |
| studyStartDate | A calendar date specifying the minimum date where data is used. Date format is 'yyyymmdd'. |
| studyEndDate | A calendar date specifying the maximum date where data is used. Date format is 'yyyymmdd'. |
| getTimeControlData | Should data for time controls be fetched? (needed for case-time-control analyses). |
| maxNestingCohortSize | If the nesting cohort is larger than
this number it will be sampled to this size. |
| maxCasesPerOutcome | If there are more than this number of cases for a single
outcome cases will be sampled to this size. |
Returns an object of type CaseCrossoverData
, containing information on the cases, the
nesting cohort, exposures, and optionally visits. Information about multiple outcomes can be
captured at once for efficiency reasons. The generic summary()
function has been implemented
for this object.


Hello, Stranger!
Welcome to Runners Home™
Runners Home™ is dedicated to providing you with:
- the most up-to-date information on running races
- the best resources for runners.


{% load otree i18n %}
{% trans 'In this study, you will be randomly and anonymously paired with another participant.  Your payoffs will be determined by the choices of both as below:' %}
{% trans 'In each cell, the amount to the left is the payoff for you and to the right for the other participant.' %}
| {% trans 'The Other Participant' %} | |||
|---|---|---|---|
| {% trans 'Cooperate' %} | {% trans 'Defect' %} | ||
| {% trans 'You' %} | {% trans 'Cooperate' %} | {{ Constants.both_cooperate_payoff }}, {{ Constants.both_cooperate_payoff }} | 0, {{ Constants.betray_payoff }} |
| {% trans 'Defect' %} | {{ Constants.betray_payoff }}, 0 | {{ Constants.both_defect_payoff }}, {{ Constants.both_defect_payoff }} |


| Rcpp-deprecated {Rcpp} | R Documentation |
These functions are provided for compatibility with older versions of the Rcpp package only, and may be removed in future versions.
loadRcppModules
calls should now be replaced by
loadModule
calls, one per Module.
LdFlags
and RcppLdFlags
are no
longer required as no library is provided (or needed) by Rcpp (as it
was up until release 0.10.1).
Dirk Eddelbuettel and Romain Francois


Ron had a wax model of a truck. The truck was fun. But then Ron lost it. Ron had left it on the deck. The sun was hot. The wax got soft. It melted! Ron's wax truck was a wax lump. Ron had a plan. He held the lump. Press! Pull! Twist! He crafted a model hotrod. He will not put it in the sun.
in-context


| Property |
Default value |
Description |
| name |
db |
The name of the EbeanServer instance. Defaults to "db" and only needs to be set
when we are using multiple named servers (typically with multiple databases).
|
| defaultServer |
true |
Set this to false when creating multiple named EbeanServer instances (as only
one instance can be considered the "default").
|
| register |
true |
Set this to false we create an EbeanServer instance and we don't want to register
it with the Ebean singleton.
|
| classes |
<empty> |
Entity classes and other interesting classes (listeners, controllers, custom scalar types etc).
It is recommended that we add classes explicitly via serverConfig.addClass() such
that we get good fast startup and do not use classpath scanning to find the entity classes etc.
|
| packages |
<empty> |
The packages to search/scan for entity classes etc. It is not recommended to use that and instead
explicitly add each class. See classes.
|
| databasePlatform |
|
The database platform to use. By default it is determined automatically from the JDBC DataSource.
|
| databasePlatformName |
|
The database platform name. Used to explicitly specify a DatabasePlatform to use.
With SQL Server we should specify the platform specifically as sqlserver17 or
sqlserver16 - refer to .
Otherwise we generally do not set this and let the platform be determined automatically
from the JDBC DataSource.
|
Current user |
| currentUserProvider |
|
Provides the current user for use with `@WhoCreated`, `@WhoModified`.
|
JDBC Batch |
| persistBatch |
NONE |
Setting this to ALL means that JDBC batch would be on by default. The default of NONE
means that JDBC batch isn't used by default when saving top level beans (but typically
JDBC batch is used when saving beans via cascading).
|
| persistBatchOnCascade |
INHERIT |
Use for cascade persist JDBC batch mode. INHERIT means use the platform default which generally means
it will use batch mode.
|
| persistBatchSize |
20 |
The default batch size to use when not explicitly set on the transaction.
|
DataSource |
| dataSource |
|
The dataSource to use. When not set we expect dataSourceConfig to be used.
|
| dataSourceConfig |
|
Configuration to use to create a DataSource when one isn't provided.
|
| autoReadOnlyDataSource |
false |
Set this to true to automatically have a read-only auto-commit based DataSource created
using the dataSourceConfig options. This is generally a good idea providing a performance
benefit for queries that are executed without an explicit transaction.
|
| readOnlyDataSourceConfig |
|
Configuration to use when creating a read-only DataSource when one isn't provided.
|
| readOnlyDataSource |
|
The explicitly set read only dataSource to use.
|
DDL and Migrations |
| dbSchema |
|
A DB schema to use. Typically used with Postgres for both running DB migrations and testing DDL.
|
Document Store |
| docStoreOnly |
false |
Set this to true when only using a Document store rather than using both Document store and DBMS.
|
| docStoreConfig |
|
Document store configuration.
|
Multi-tenant |
| tenantMode |
NONE |
One of NONE | DB | SCHEMA | CATALOG | PARTITION.
|
| currentTenantProvider |
|
Provides the current tenant.
|
| tenantDataSourceProvider |
|
Provides the DataSource for modes ...
|
| tenantSchemaProvider |
|
Provides the schema when mode=SCHEMA is used.
|
| tenantCatalogProvider |
|
Provides the catalog when mode=CATALOG is used.
|
General |
| jsonDateTime |
MILLIS |
The JSON format used for DateTime types. Default to millis.
|
| jsonInclude |
ALL |
For writing JSON specify if null values or empty collections should be excluded.
By default all values are included.
|
| jsonFactory |
|
The Jackson JsonFactory to use.
|
| objectMapper |
|
The Jackson ObjectMapper to use if/when marshalling beans to and from JSON. An ObjectMapper
will be created if needed and it is available on the classpath.
|
| platformConfig |
PlatformConfig |
Database platform configuration for quoted identifiers, true value, UUID treatment.
|
| lazyLoadBatchSize |
10 |
The default batch size for lazy loading
|
| queryBatchSize |
100 |
The default batch size for 'query joins'.
|
| eagerFetchLobs |
false |
Set this to true if you want to globally eagerly fetch LOB properties.
|
| dataTimeZone |
|
The timezone to use for DateTime based properties.
|
| jdbcFetchSizeFindList |
0 |
JDBC fetchSize hint when using findList. Defaults to 0 leaving it up to the JDBC driver.
|
| jdbcFetchSizeFindEach |
100 |
JDBC fetchSize hint when using findEach/findEachWhile. Defaults to 100. Note that this does
not apply to MySql as that gets special treatment (forward only etc).
|
| namingConvention |
UnderscoreNamingConvention |
The naming convention to use to translate property names to column names etc.
|
| constraintNaming |
DbConstraintNaming |
Naming convention used in DDL generation for primary keys, foreign keys etc.
|
| updateChangesOnly |
true |
Behaviour of update to include on the change properties.
|
| updateAllPropertiesInBatch |
true |
Behaviour of updates in JDBC batch to by default include all properties.
|
| updatesDeleteMissingChildren |
true |
Default behaviour for updates when cascade save on a O2M or M2M to delete any missing children.
|
| uuidVersion |
VERSION4 |
The UUID version to use.
|
| clock |
systemUTC |
The clock used for setting the timestamps (e.g. @UpdatedTimestamp) on objects.
|
| disableL2Cache |
false |
Set to true to globally disable L2 caching (typically for performance testing).
|
| notifyL2CacheInForeground |
false |
Generally we want to perform L2 cache notification in the background and not impact the performance
of executing transactions. Set this to true to perform L2 cache notification in the foreground.
|
| expressionEqualsWithNullAsNoop |
false |
Set to true if you want eq("someProperty", null) to generate 1=1 rather than "is null" sql expression.
|
| expressionNativeIlike |
false |
Set to true to use native ILIKE expression (if support by database platform / like Postgres).
|
| useJavaxValidationNotNull |
true |
Should the javax.validation.constraints.NotNull enforce a notNull column in DB. If set to false,
use io.ebean.annotation.NotNull or Column(nullable=true).
|
| slowQueryMillis |
|
The time in millis used to determine when a query is alerted for being slow.
|
| slowQueryListener |
|
The listener for processing slow query events. Defaults to logging.
|
| persistenceContextScope |
TRANSACTION |
The default PersistenceContextScope used if one is not explicitly set on a query. Set this to QUERY
if we want the persistence context to be scoped per query by default.
|
| defaultOrderById |
false |
Controls the default order by id setting of queries. See Query.orderById(boolean)
|
| idGeneratorAutomatic |
|
When true we do not need explicit GeneratedValue mapping.
|
| mappingLocations |
|
The mappingLocations for searching xml mapping.
|
| |


Isotope Mass Abundance Spin Mag Moment
79Br 78.918336 50.69% 3/2 +2.1064 81Br 80.916289 49.31% 3/2 +2.2706
Br I Ground State 1s22s22p63s23p63d104s24p5 2P°3/2 Ionization energy 95284.8 cm-1 (11.8138 eV) Ref. T63 Br II Ground State 1s22s22p63s23p63d104s24p4 3P2 Ionization energy 174140 cm-1 (21.591 eV) Ref. M98


Biography
My name is Sowmya Billakanti, I am from India. I'm relatively new to the US, having come here just 7 months ago. I enjoy pencil sketching, outdoor summer games and visiting new places like Vegas and Paris. While I wouldn't say I love cooking, I do enjoy it to an extent.
My Education and Job Experience
- I am an MBA graduate from India and a current student of Code Fellows
- I worked as an Assistant Account Manager for 2years
Goals
Independent and build a house for my parents in India


creates a spatial-hash cull
| Name | Type | Description | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
options |
object |
optional
|
Methods
-
add an object to be culled side effect: adds object.spatialHashes to track existing hashes
Name Type Description object
* staticObject
boolean optional set to true if the object's position/size does not change
Returns:
Type Description * object -
add an array of objects to be culled
Name Type Description container
PIXI.Container staticObject
boolean optional set to true if the objects in the container's position/size do not change note: this only works with pixi v5.0.0rc2+ because it relies on the new container events childAdded and childRemoved
-
update the hashes and cull the items in the list
Name Type Description AABB
AABB skipUpdate
boolean optional skip updating the hashes of all objects
Returns:
Type Description number number of buckets in results -
helper function to evaluate hash table
Returns:
Type Description number the average number of entries in each bucket -
returns an array of buckets with >= minimum of objects in each bucket
Name Type Default Description minimum
number 1 optional Returns:
Type Description array array of buckets -
helper function to evaluate the hash table
Returns:
Type Description number the largest sized bucket -
helper function to evaluate hash table
Returns:
Type Description number the number of buckets in the hash table -
helper function to evalute the hash table
Name Type Description AABB
AABB optional bounding box to search or entire world
Returns:
Type Description number sparseness percentage (i.e., buckets with at least 1 element divided by total possible buckets) -
getWorldBounds ()Bounds
-
gets quadrant bounds
Returns:
Type Description Bounds -
insert object into the spatial hash automatically called from updateObject()
Name Type Description object
* key
string -
set all objects in hash to visible=false
-
get all neighbors that share the same hash as object
Name Type Description object
* in the spatial hash
Returns:
Type Description Array of objects that are in the same hash as object -
returns an array of objects contained within bounding box
Name Type Default Description AABB
AABB bounding box to search
simpleTest
boolean true optional perform a simple bounds check of all items in the buckets
Returns:
Type Description Array.<object> search results -
iterates through objects contained within bounding box stops iterating if the callback returns true
Name Type Default Description AABB
AABB bounding box to search
callback
function simpleTest
boolean true optional perform a simple bounds check of all items in the buckets
Returns:
Type Description boolean true if callback returned early -
remove an object added by add()
Name Type Description object
* Returns:
Type Description * object -
remove an array added by addContainer()
Name Type Description container
PIXI.Container Returns:
Type Description PIXI.Container container -
removes object from the hash table should be called when removing an object automatically called from updateObject()
Name Type Description object
object -
stats ()Stats
-
get stats
Returns:
Type Description Stats -
update the has of an object automatically called from updateObjects()
Name Type Description object
* force
boolean optional force update for calculatePIXI
-
update the hashes for all objects automatically called from update() when skipUpdate=false


Compliance to Standards
FreeRADIUS is compliant with all IETF RFCs. We have authored or co-authored the following documents:
- RFC 6613 - RADIUS Over TCP
- The Remote Authentication Dial-In User Server (RADIUS) protocol has, until now, required the User Datagram Protocol (UDP) as the underlying transport layer. This document defines RADIUS over the Transmission Control Protocol (RADIUS/TCP), in order to address handling issues related to RADIUS over Transport Layer Security (RADIUS/TLS). It permits TCP to be used as a transport protocol for RADIUS only when a transport layer such as TLS or IPsec provides confidentiality and security.
- RFC 6158 - RADIUS Design Guidelines
- This document provides guidelines for the design of attributes used by the Remote Authentication Dial In User Service (RADIUS) protocol. It is expected that these guidelines will prove useful to authors and reviewers of future RADIUS attribute specifications, within the IETF as well as other Standards Development Organizations (SDOs).
- RFC 5997 - Use of Status-Server Packets in the RADIUS Protocol
- This document describes a deployed extension to the Remote Authentication Dial In User Service (RADIUS) protocol, enabling clients to query the status of a RADIUS server. This extension utilizes the Status-Server (12) Code, which was reserved for experimental use in RFC 2865.
- RFC 5080 - Common RADIUS Implementation Issues and Suggested Fixes
- This document describes common issues seen in Remote Authentication Dial In User Service (RADIUS) implementations and suggests some fixes. Where applicable, ambiguities and errors in previous RADIUS specifications are clarified.
FreeRADIUS is also compliant with many 3GPP, 3GPP2, and WiMAX standards. Those are too numerous to list here.
Where FreeRADIUS does not follow the RFC recommendations, the RFC is unclear, or has been updated by RFC 5080. That document corrects numerous errors and omissions in previous specifications.
We also authored the Design Guidelines document. This specification defines how standards bodies and vendors should design RADIUS specifications. It also contains recommendations for implementations. We highly recommend that all vendors read this document. Failure to follow its guidelines means that your product will not be compatible with existing RADIUS implementations.


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{{range $index, $cost := .}}
#{{addOne $index}} {{$cost.ElectricAmount}}
{{$cost.CheckedDate}}
{{end}}
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Electric Price
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@* * Copyright 2021 HM Revenue & Customs * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *@ @import config.ApplicationConfig @import play.twirl.api.HtmlFormat @this(atedMain: atedMain) @(overseasCompanyRegistrationForm: Form[models.OverseasCompanyRegistration], listOfIsoCode: List[(String, String)], serviceInfoContent: Html = HtmlFormat.empty, backLink: Option[String])(implicit authContext: StandardAuthRetrievals, messages: Messages, request: Request[AnyContent], appConfig: ApplicationConfig) @import uk.gov.hmrc.play.views.html.helpers._ @import views.html.helpers._ @pageScripts = { } @implicitFormInstance = @{ Some(overseasCompanyRegistrationForm) } @atedMain(title = messages("ated.non-uk-reg.title"), serviceInfoContent = serviceInfoContent, pageScripts = Some(pageScripts)) { @pageHeadersAndError(backLink, "pre-heading", messages("ated.non-uk-reg.subheader"), "overseas-company-registration-header", messages("ated.non-uk-reg.header"), Some(atedErrorSummary(overseasCompanyRegistrationForm, "ated.correspondence-address.error.general"))) @form(action = controllers.subscriptionData.routes.OverseasCompanyRegistrationController.submit) {


This application only has a sign up page and a sign in page. It does not have any real pages as it is only to demo authentication (not authorisation).
Sign up


Shane stayed at the new Westin hotel in New York with Mom and Dad. Shane liked the window seat and the view. Shane also liked the elevator ("elbababer") -- that's a big word to say! New York is a very interesting, and Shane was so excited he did not want to go night night. When Shane got home the next day he did some puzzles with Dad.
Shane loves to play in the leaves. He helped Dad rake the leaves, and he learned to say rake and leaf blower. He is putting more words together into sentences now. When he can't find something he asks! For example, when he wants to know where the moon is he says "Where the moon go?" He also knows that the moon is in the sky, but sometimes the moon goes night night. He also asks to have things opened -- jars, yogurt containers, envelopes, straw wrappers, even bananas ("open mana")... sometimes he even says please. And he likes to close containers too ("lid on"). Shane really likes lights. He likes to say "light on." He also knows about red lights and green lights. If you ask him how he is he will tell you that he is "fine."  Shane also likes to sing. He can take any word you suggest to him and repeat it over and over again in a song.
Shane went with Mom and Dad to Aunt Bonnie and Uncle Fred's house for Thanksgiving dinner. Shane didn't eat any turkey but he ate lots of crackers. The next day Shane kept saying "Uncle Fred!" This year Chanukah started the night after Thanksgiving. Shane likes to unwrap his presents. Lighting the candles and playing with dreidles is lots of fun. Shane says "dreidle spin" and "candle light." Shane also says "red light" and "green light" when he is in the car.
This week was very exciting. Shane went to mom and dad's office and played with some other kids whose parents brought them to work. Shane says "office" and "kids." The next day Shane went to the Big Apple Circus with mom and dad and Yvonne and her grandson. The circus was very exciting, and riding on the train and the subway to get there was fun too. The day after that we got an early snow storm and dad had to put the snow plow on the tractor to clear the driveway. But the snow did not delay the construction on our basement, which is still ahead of schedule.
Shane likes to play with his trucks and hide. He is saying more phrases and sentences: "Shane hiding," "drinking the water," "I want flakes in the green bowl," "I want to go go green car," "I want green light," "up mama," "up dada," "up bed," "down Shane," "boy chair" (in reference to a "big boy chair" as opposed to a high chair), and "no nooo apple" (or toast, or Os, or whatever it is he wants to make very clear that he doesn't want). This week Shane got to have lunch with Ann and Paul who were visiting from Chicago.
Shane likes to eat "bootie" in a cup. He is very excited about the basement construction, which is coming along nicely.
Shane went to visit Grandma Connie and Papa Morris for Christmas. Justin and Aunt Ginny and Uncle Jeff and Tyler the dog were there too. Shane got a new tricycle for Christmas. Justin and Shane tried out Grandma's new bath tub.
After Christmas, Shane went to visit Grandma Judy and Papa Mike. Auntie Amber and Uncle Jere and Robroy doggie and Marie the cat were there too. Shane likes Papa Mike's choo choos. Robroy doggie and the kitty cat made a big impression on him too. Shane also got to visit the National Zoo. He saw the camels and the elephants and the giraffes and the monkeys. When Shane got home he watched Dad try out his Christmas present -- a carpet cleaner.
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This page maintained by Shane's Mom


My Murrays
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Team Moonberry TRMS
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Unless a filter rejects a message, a rolling event will be triggered.
Public Member Functions | |
| FilterBasedTriggeringPolicy () | |
| Creates a new FilterBasedTriggeringPolicy. | |
| virtual | ~FilterBasedTriggeringPolicy () |
| virtual bool | isTriggeringEvent (Appender *appender, const log4cxx::spi::LoggingEventPtr &event, const LogString &filename, size_t fileLength) |
| Determines if a rollover may be appropriate at this time. | |
| void | addFilter (const log4cxx::spi::FilterPtr &newFilter) |
| Add a filter to end of the filter list. | |
| void | clearFilters () |
| Clear the filters chain. | |
| log4cxx::spi::FilterPtr & | getFilter () |
| Returns the head Filter. | |
| void | activateOptions (log4cxx::helpers::Pool &) |
| Prepares the instance for use. | |
| void | setOption (const LogString &option, const LogString &value) |
Set option to value . |
|
|
Creates a new FilterBasedTriggeringPolicy.
|
|
|
|
|
|
Prepares the instance for use.
Implements OptionHandler. |
|
|
Add a filter to end of the filter list.
|
|
|
Clear the filters chain.
|
|
|
Returns the head Filter.
|
|
|
Determines if a rollover may be appropriate at this time. If true is returned, RolloverPolicy.rollover will be called but it can determine that a rollover is not warranted.
Implements TriggeringPolicy. |
|
|
Set The handling of each option depends on the OptionHandler instance. Some options may become active immediately whereas other may be activated only when activateOptions is called. Implements OptionHandler. |


class: title-slide, center, middle # Statistical methods for archaeological data analysis I: Basic methods ## 08 - Distributions ### Martin Hinz #### Institut für Archäologische Wissenschaften, Universität Bern no date --- ## Repetition: Data, variables, values - Variable: - What ist measured or analysed. - e.g. height - item: - That whichs variable is measure - e.g. me as „possessor“ of a height, graves, persons... - values: - The actual measurement. - e.g. my height is 1.81 m. - discrete variable: - Variable which can take only certain values without intermediate values - e.g. income, counts of ceramic objects, sex (?) - continuous Variablen: - Variable which can take all value and intermediate value - e.g. height, temperature, proportion value --- ## Distributions and continuity .pull-left[ ### Continuous distribution Distribution in which all intermediate levels for a variable X are defined as continuously. ![:width 50%](../images/08_session/cont_distr.png) > a continuous function is a function for which sufficiently small changes in the input result in arbitrarily small changes in the output ] .pull-right[ ### Discrete distribution Distribution showing "jumps" ![:width 50%](../images/08_session/discr_distr.png) ] --- ## Theoretical distributions Certain classes of events have certain distribution patterns - Binominal distribution - Poisson distribution - Uniform distribution - Normal distribution Distributions are models based on processes with certain properties. They are used to check these properties in real distributions and to estimate these real distributions in areas for which no data is available. --- ## Probability function (density function) .pull-left[ Example tossing a coin typical properties **Expected value**: The value that is most probable. **Dispersion**: The variance of distribution more: Skewness and Kurtosis $$ f(x_i) = `\begin{cases} p(x_i=0) = \frac{1}{8}\newline p(x_i=1) = \frac{3}{8}\newline p(x_i=2) = \frac{3}{8}\newline p(x_i=3) = \frac{1}{8} \end{cases} $$ ] .pull-right[ ![](session_8_distributions_files/figure-html/unnamed-chunk-6-1.png)<!-- --> ] --- ## Cumulative distribution function .pull-left[ Is the sum function of the probability function "What is the probability of having up to two heads?" Properties: `\(0 \leq F(x) \leq 1\)` F(x) is monotonous not falling `\(F(x_1 ) \leq F(x_2 )... \leq F(x_n )\)` $$ f(x_i) = `\begin{cases} p(x_i \le 0) = 0\newline p(x_i \leq 0) = \frac{1}{8}\newline p(x_i \leq 1) = \frac{4}{8}\newline p(x_i \leq 2) = \frac{7}{8}\newline p(x_i \leq 3) = 1 \end{cases} $$ ] .pull-right[ ![](session_8_distributions_files/figure-html/unnamed-chunk-7-1.png)<!-- --> ] --- ## Binominal distribution [1] Describes random experiments "with putting back" like coin tossing Conditions: There are exactly two possible mutually exclusive results (e.g. head or tail) The probabilities for both exits are constant. The individual attempts are independent of each other. Properties: General: `\(B_{n;k;p} = \binom{n}{k} * p^k * (1 - p)^{n-k}\)` : Formula for the binominal distribution n: number of observations k: number of positive outcome p:probability of a positive outcome Expected value ('Mean value', Most likely value): `\(E(x) = \mu = n ∗ p\)` Variance (Dispersion): `\(var(x) = \sigma^2 = n∗ p * q = n∗p * (1- p)\)` Standard deviation : `\(sd(x) = \sqrt{var(x)}\)` --- ## Binominal distribution [1] There are exactly two possible mutually exclusive results (e.g. "male" or "female") The probabilities for both exits are constant. Overall, we know from the culture that male burials are underrepresented (70% female graves, 30% male graves). The individual tests are independent of each other. Question: How likely is a set of results (e.g. 2x men, 5x women) (P(W)=0.7, P(M)=1-P(W)=0.3)? `\(\frac{7!}{5! - (7-5)!} = 21 = \binom{7}{5}\)` For 2x men and 5x women (total 7) there are 21 possibilities to arrange them (combination without putting back). Since the events are mutually exclusive, but each of the combinations is a "positive result" for us, we can add the probabilities. --- ## Binominal distribution [1] Since the events are mutually exclusive, but each of the combinations is a "positive result" for us, we can add the probabilities. At first, we calculate the probability of the individual even, and than we multiply it by the number of positive Events. `\(p(WWMMMMM) = P(W) * P(W) * P(M) * P(M)* P(M) * P(M) * P(M)\)` `\(p(WWMMMMM) = 0.7 * 0.7 * 0.3 * 0.3 * 0.3 * 0.3 * 0.3\)` because all the other results are just as likely: `\(p(2xW, 5xM) = 21 * 0.7 ^2 * (1-0.7)^{7-2} = 0,0250047\)` General: `\(B_{n;k;p} = \binom{n}{k} * p^k * (1 - p)^{n-k}\)` Expected value: `\(E(x) = \mu = n ∗ p; here: 7*0.7 = 4.9\)` Variance (Dispersion): `\(var(x) = \sigma^2 = n∗ p * q = n∗p * (1- p); here: 7 * 0.7 * (1-0.7) = 1.47\)` Standard deviation : `\(sd(x) = \sqrt{var(x)}; therefore: 1.212435565\)` in R: ```r dbinom(x=2, size=7, prob = 0.7) ``` ``` ## [1] 0.0250047 ```


| Department | Computer Science |
|---|---|
| Prefix | CSCI |
| Number | 3336 |
| Name | Organization of Program Lang |
| Description | This course describes the fundamental concepts of programming languages by discussing the design of the various language constructs, examining the design choices for these constructs, critically comparing design alternatives and discussing implementation techniques. The underlying theory and formal modes of describing the syntax and semantics including finite automata and regular expressions, context-free grammars, context-sensitive languages and the Chomsky Hierarchy are included. |
| Credit-hours | 3.000 Credit hours |
| Lecture-hours | 3.000 Lecture hours |
| Lab-hours | 0.000 Lab hours |
| Level | Undergraduate |
| Schedule-type | Lecture |
| Prerequisite | CSCI 2380/CSCI 2388 or CMPE 2380/CMPE 2388 |
| Restrictions | |
| Course-attributes | Degree Elective CS Instruction Fee - HU |


Oil price growth stagnates on China trade worries after two-month highs
by Michael SearlesOil prices fell on Friday after previously hitting two-month highs, negating the week’s gains as fears over China-US trade talks were reignited.
Brent crude oil futures fell by 1 per cent to end Friday on $63.39 a barrel, despite hitting a high of $64.27 earlier in the day.
Read more: Oil industry reacts to Labour’s new £11bn tax pledge
West Texas Intermediate crude suffered slightly more, falling 1.4 per cent t end the session on $57.77 per barrell.
After parring their gains for the week, both benchmarks ended the week little changed.
It comes following increased uncertainty over whether the United States and China will be able to reach a partial trade deal that would lift some pressure on the global economy.
Speaking on Friday, Chinese President Xi Jinping said China wants to work out an initial trade pact with the United States and has been trying to avoid a trade war but is not afraid to retaliate when necessary.
China has invited US trade negotiators for further face-to-face talks in Beijing as efforts continue to strike some kind of initial deal, the Wall Street Journal reported on Thursday.
Read more: Shell picks Citi Bank for £1bn sale of Egyptian oil assets
Prices had rallied to their highest since late September on Thursday after reports that the Organization of the Petroleum Exporting Countries (OPEC) and Russia are likely to extend existing production cuts by three more months to mid-2020.
However the tension between China and the US created some selling pressure among investors and kept a lid on prices.


SaveVectorState()
Syntax
SaveVectorState()Description
Saves the current vector drawing state to be restored later. Multiple states can be saved on a stack and restored in the reverse order they were saved.
The following information is saved with this command:
- The coordinate transformations
- The drawing source
- The drawing font
- The clipping path
Note that the current path is not saved by this command.
Parameters
None.
Return value
None.
Example
If OpenWindow(0, 0, 0, 400, 200, "VectorDrawing", #PB_Window_SystemMenu | #PB_Window_ScreenCentered) CanvasGadget(0, 0, 0, 400, 200) LoadFont(0, "Times New Roman", 20, #PB_Font_Bold) If StartVectorDrawing(CanvasVectorOutput(0)) VectorSourceColor(RGBA(255, 0, 0, 255)) VectorFont(FontID(0)) MovePathCursor(20, 20) DrawVectorText("Normal text") ; Changes made to the drawing state within this block do not affect the other commands SaveVectorState() MovePathCursor(120, 160) RotateCoordinates(120, 160, -50) VectorSourceColor(RGBA(0, 0, 255, 255)) DrawVectorText("Rotated text") RestoreVectorState() MovePathCursor(220, 140) DrawVectorText("Normal text") StopVectorDrawing() EndIf Repeat Event = WaitWindowEvent() Until Event = #PB_Event_CloseWindow EndIf
See Also
RestoreVectorState(), BeginVectorLayer()
Supported OS
All


Use the left slides to get a quick overview.
Switch to the right slides to find out more.
Learn why Bitcoin was created and why it is so valuable.
Bitcoin is designed to let you store, send, and receive money without any banks or credit card companies.
Until Bitcoin came around, you needed banks, credit cards, or companies like PayPal and Venmo to send and receive money. These companies were necessary to do something only they could do: verify that the person spending money actually has money to spend. Banks can do this because they hold everyone’s money, so they know all account balances.
But what's so great about not using banks and credit card companies? For starters, they are slow, expensive, and part of a broken financial system.
Banks have huge costs for buildings, lawyers, and highly paid executives - all funded by the fees you pay (and massive taxpayer bailouts, like in 2008). Banks also limit how you can access and send your money.
In 2008, a mysterious person calling himself Satoshi Nakamoto invented Bitcoin. To this day, Satoshi remains anonymous and nobody knows who he or she is.
Satoshi could be a woman, a man, or a group of people. Nobody knows! What we do know is that the bitcoin.org domain was registered in August 2008. Then, in November, Satoshi posted the famous Bitcoin Whitepaper.
The first Bitcoins were issued in January 2009. Embedded in the first Bitcoin code was the message “Chancellor on brink of second bailout for banks.” - hinting at Bitcoin’s creation because of the 2008 financial crisis.
Bitcoin’s breakthrough is that it’s the first to solve a problem so tough, it has its own name: The Double Spend Problem.
Here is how the Double Spend Problem works: Digital money is just like a computer file, so it would be easy for somebody to just “counterfeit” it by copy and pasting. Before Bitcoin, the solution was for banks to keep track of the money in everybody's accounts, so that nobody could spend money twice.
Bitcoin solves the Double Spend Problem differently. It makes all accounts and transactions public - but without revealing private details like your name. Since account balances are public, it would be obvious if someone used the same money twice.
Once bitcoin is sent, it’s publicly added to the receiver’s account. So if a scammer tries to spend their Bitcoin twice, it’s easily discovered and prevented.
Solving the Double Spend Problem is a big deal. It allows bitcoin to be sent directly from one person to another, without using ANY third party like a bank.
Not needing a third party (like a bank) to handle accounts and transactions has a lot of benefits. Transactions can be faster and cheaper since there is no middleman.
Plus, your personal information becomes more private since no bank has to store it. You’re probably beginning to see why Bitcoin is such a game changer.
Let’s talk about why Bitcoin is so unique and revolutionary.
Bitcoin is a new form of money that's completely digital. It can be used by anyone, anywhere in the world. There are no dollars, euros, pesos, or yen - it’s a universal currency.
Unlike traditional forms of money, there are no physical bitcoins. No dollar bills, no metal coins, no plastic cards – it’s 100% digital! Everything is done from phones and computers. This allows for fast and cheap transactions around the world and around the clock.
Incredibly, Bitcoin is not controlled by any person, company, or government. It’s run by the community of its users. Read that twice, because it’s important!
Bitcoin users are located all around the world and use the internet to help send and receive payments. But unlike traditional payments that pass through banks, bitcoin is sent directly from person to person, instead of from person to company to person. This is known as a peer-to-peer system (P2P). It means there is no central control.
What’s amazing is that none of the users in the Bitcoin community need to know each other for this system to work. You can send and receive bitcoin online without needing to meet or even trust the other person. We’ll explain how that’s possible in a bit.
Bitcoin has benefits that make it better than traditional money, banks, and credit card companies. Let's explore what makes Bitcoin so unique.
Bitcoin was designed to solve problems that existed with the traditional banking system. But by finding a clever solution to the Double Spend Problem, Satoshi also created a better type of money. In fact, he was able to completely reinvent how money works.
Benefit 1 - Decentralized
Traditional money is controlled by banks and governments – which makes it a “centralized” currency.
Bitcoin is not controlled or regulated by any single entity like a bank – which makes it a “decentralized” currency.
Having no banks in control makes sending and receiving money cheaper, faster, and easier.
Not having banks involved means nobody can deny your application, nobody can close your account, and nobody can charge you outrageous fees. In short, banks are no longer in charge. This is what makes decentralized money so powerful.
Over 2 billion people worldwide can’t even get access to bank accounts! This prevents them from connecting with the rest of the world – they’re excluded. To them, a bank is like a fancy club they can’t get into.
Bitcoin will give them the benefits of a bank, without needing a bank. Anyone with a smartphone and internet connection is welcome!
Benefit 2 - No Counterfeit Money
Paper currencies, credit cards, and checks can be counterfeit.
Bitcoin solves the Double Spend Problem which means criminals cannot create fake bitcoins. Counterfeiting is impossible.
Counterfeit traditional money is very common. In the U.S. alone it is estimated that between $70 and $200 million in counterfeit bills are in circulation. That’s up to 1 out of every 4,000 real bills. For Bitcoin, this issue simply doesn’t exist. Plus, you won’t have to pay those high fees for fraud protection!
Benefit 3 - Limited Supply
Traditional money is created by governments in unlimited quantities. They print more constantly, which decreases the value over time.
Bitcoin’s supply is limited to 21 million coins. There can never be more! Why? It’s designed to be scarce so that it increases in value over time.
A constantly increasing supply of money creates something called inflation. This means that the money you are holding is worth a little less every day. If you’re working hard and trying to save up, that’s bad. It’s why an ice cream was $0.05 in 1950, but is $5.00 today… traditional money keeps losing value.
Bitcoin’s limited supply creates the opposite effect, called deflation. This means the value of each Bitcoin is designed to increase over time. It’s part of the reason why so many people are excited about investing in Bitcoin.
Benefit 4 - Divisible
Old fashioned money can be spent only in amounts as small as a single cent (so up to 2 decimal places).
Bitcoin can be spent in much smaller amounts, called Satoshis (all the way up to 8 decimal places). This means that it can be used even for tiny purchases.
Bitcoin is highly divisible because its value is designed to increase over time (through deflation).  So basically, an ice cream cone may cost 0.001 bitcoin today, but in the future it may cost 0.00000010 bitcoins, if bitcoin’s value rises even more.
A practical example where Bitcoin’s high divisibility is useful today is for microtransactions. These are very small payments used for digital goods and services. For example, imagine paying only a tiny amount of bitcoin for every page of an ebook you read, instead of paying for the whole book.
Microtransactions are something traditional money can’t do, because cents are not divisible enough and therefore too big for very small purchases.
Benefit 5 - Security
There is a lot of money stored in Bitcoin, so it needs to be very secure. Bitcoin uses cryptography to securely send payments.
That’s why Bitcoin is called a cryptocurrency. The code is so strong that tampering is virtually impossible. There is A LOT of money held in Bitcoin, but it has never been hacked!
In simple terms, cryptography is a technology that protects information through complex math functions. Bitcoin uses strong cryptography to protect your account and let you securely send money. It’s designed so that nobody can hack your account, and it prevents the wrong person from receiving your money.
Now that you know what Bitcoin is and why it exists, let’s see how it actually works.
Imagine four strangers sitting in a room, each with their own notebook. Because they are strangers, they don’t know or trust each other.
The four strangers in this example represent Bitcoin’s community of users. We are using strangers to explain this, because in the real world, most Bitcoin users do not know each other. The notebooks in this example represent what's called the Bitcoin Blockchain. The Blockchain stores a public record of every single bitcoin transaction ever made. The Blockchain is not on paper but 100% digital and public.
Most importantly, there are thousands and thousands of identical copies of the Blockchain held by users around the world. All these copies are kept in sync by the system that runs the Blockchain.
One stranger gives one bitcoin to another stranger. Now, EACH of the four strangers records this transaction.
They then compare all their notebooks to make sure they match.
Just like in the example, when bitcoin is sent, the transaction is recorded on EVERY one of the thousands of copies of the Bitcoin Blockchain around the world. Each copy is an identical record of all transactions.
Just like notebooks were compared in the example, the Bitcoin system is constantly comparing all copies of the Blockchain to make sure they all have matching transactions.
If all four notebooks match up, everything is fine. The transaction is approved by everybody.
If one notebook is different from the other three, we have a problem. It means one stranger is lying about the transaction. We also know which stranger is lying (hint: it’s the one with the notebook that doesn’t match the others). As a result, the three others ignore the notebook that doesn’t match and move on. The transaction is not approved.
The same two outcomes can happen with Bitcoin: If all Blockchain copies match, everything is fine and the transaction will proceed.
If one Blockchain copy is different from all others in the Bitcoin network, the network automatically rejects the transaction that doesn’t match the rest. This is what prevents fraud. It’s impossible for scammers to manipulate the system, since their Blockchain copy wouldn’t match what everyone else agrees on.
Bitcoin works exactly like the notebook example. Each Bitcoin user has an identical copy of the Bitcoin “notebook” which publicly records all transactions. All notebooks get constantly compared to make sure they match.
Additionally, Bitcoin stores all past transactions permanently so that there is a record of where all bitcoin currently are. This proves who owns which bitcoin.
In short, the Bitcoin Blockchain knows where every single bitcoin is at all times. This is very powerful since it proves ownership without needing a third party like a bank.
Traditional currencies don’t have a Blockchain, so in some cases you can’t prove who owns what. This makes fraud and theft easier. For example, imagine somebody steals $20 in cash from you. You can’t easily prove who owns it.
The technology that stores and constantly compares Bitcoin’s “notebooks” to make sure they are all identical is called the Blockchain.
Bitcoin’s Blockchain is the technology that allows strangers to work together to exchange money without trust. This means no middlemen like banks are needed.
Instead of recording transactions in private record systems like a bank or credit card company does, Bitcoin users record ALL transactions at the SAME TIME in IDENTICAL copies of the Blockchain. As a result, any attempt to fool the system would be noticed as obviously different and rejected by the system.
This method of comparing all the identical “notebooks” is called finding a “consensus” - in other words a mutual agreement that the transaction isn’t fraud.
Bitcoin uses the same strategy to compare all transactions on the Blockchain. It can do this very quickly by using powerful computer code. The process of comparing transactions using this computer code is known as Bitcoin’s Consensus Algorithm.
Blockchain is the technology that makes Bitcoin so valuable, because it removes the need for a costly third party (like banks and credit card companies) to check transactions.
With Blockchain, total strangers can now exchange money without any trust and without any third parties being required. That’s revolutionary!
Remember the tricky Double Spend Problem from before? The Blockchain is what Bitcoin uses to prevent this problem from ever happening.
Once a bitcoin changes hands the transaction becomes an official Blockchain entry that’s automatically and permanently recorded, so the money can’t be spent twice. (Huge) Problem solved!
Now that you know how Bitcoin and the Blockchain work, let’s look at transactions.
Just like real money, bitcoin is stored in wallets. But Bitcoin’s wallets are (surprise, surprise) digital.
It seems weird, but your wallet doesn’t actually “hold” your bitcoins on your computer or phone. Instead, your wallet simply grants access to your bitcoins, which are recorded on the Blockchain itself.
Your Bitcoin wallet is like a bank account. It’s how you access your money.
Each Bitcoin wallet has a unique address so you can send money to and from it.
You can picture the Bitcoin wallet address like a bank account number. It’s used for the same purpose: To make sure bitcoin is sent to the right wallet (account).
A Bitcoin address is just a string of numbers and letters. It’s the only piece of information required to send and receive Bitcoin, so your name is not shared.
To send bitcoin from one wallet to another, you first need to authorize the transaction.
Just like in real life, you authorize transactions through a signature. For Bitcoin, this signature is done with a password called your private key.
Your Bitcoin private key works like a password, but it’s really your digital signature. It proves that it was you who authorized the transfer. It’s very important that you always keep your private key secret- it’s called private for a reason.
Bitcoin’s system actually uses two types of keys: Public and private. The best part?  It’s all done automatically by your wallet. All you use to receive money is your Bitcoin address.
Let’s use an example to put it all together: Say Bob wants to send Jane one bitcoin.
The bitcoin will be sent from Bob’s wallet to Jane’s wallet. To do this, Bob enters Jane’s Bitcoin address, and then his wallet uses the digital signature (private key) to authorize the transaction. Boom, now the bitcoin is on the way!
Unlike depositing a check or cash, Jane doesn’t have to do anything to receive the money. More importantly, no third party (like a bank) has to process the transaction or can stop it.
Once Bob hits “Send” his bitcoin transaction is added to the Blockchain for processing.
Bob’s bitcoin transaction isn’t actually sent quite yet. Instead, Bob only announced that he wants to send his bitcoin. Next, the community of users verifies that Bob actually has enough bitcoin to send. Remember, this verification is done automatically by comparing Blockchain copies. Once verified, Bob’s bitcoin is on the way. Woosh!
Here is how processing works: Transactions from the last 10 minutes are bundled together. Each of these bundles is called a block. Together, the blocks form the Blockchain, hence the name.
All Bitcoin transactions are bundled and added to blocks in order. Each Bitcoin block gets filled up with new transactions until it’s full. Overflowing transactions are simply added to the next block.
So who bundles and processes bitcoin transactions? That’s done by users called miners. Miners bundle transactions, verify them, and add them to the Blockchain.
Here is the interesting part: Miners do this work because they get paid in bitcoin for every block they add and for every transaction they process. In fact, they get brand new bitcoins which were just created by the system. That’s how bitcoin are born!
There are a lot of miners and they are all competing to add the next block to the Bitcoin Blockchain to get paid. There is a fixed total number of bitcoin. Every 10 minutes, new bitcoin are released and miners compete to earn them.
This process will continue until the year 2140 when all 21 million bitcoins have been created. There can never be more! After that, miners will continue to get small transaction fees, but no new bitcoin.
You now know what makes Bitcoin so unique. It is a clever system that allows complete strangers to securely send money directly between each other – no trust required! Amazingly, no third party (like a bank) is required, either.
Bitcoin is revolutionary because it gives you full control over your money, from ownership all the way to transactions. It’s this power that makes it so successful.
Every day, a lot of new people are trying out Bitcoin. They have realized that a brand new type of money has arrived. Bitcoin’s goal is to change the world and put you in the driver’s seat. Bitcoin is fast, reliable, cheap, simple, and secure. And it’s just getting started!
You’ve just learned how Bitcoin works.
Want to go deeper? Check out these educational resources.


Sleepy Hollow: lost in the age of reason
Washington Irving's The Legend of Sleepy Hollow has traditionally been classed with children's lit., and is subsequently invoked every Halloween along with Charlie Brown specials etc. Which is to say the figure of the headless horsemen has--via steady bombardment (see: product placement)--lost much of its scare power, become tame enough for the kids. That's all past tense, now, with Tim Burton's Sleepy Hollow, which (re)injects fear back into Irving's story much as Michael Cohn returned the macabre to Snow White (1997). Of course, too, we all know that the old fairytales were pretty harsh to start with--the oral equivalent of a warning sign, the grammar-school equivalent of 'scared straight' programs--but all those fairytales are imported, have their roots in Europe and Central Europe. The Legend of Sleepy Hollow, on the other hand, is American, which is to say still new. Who'd have thought there was anything Grimm going on between the lines? But there is, or there can be. 1799 does belong to the same decade as the Salem Witch Trials, after all (see Hawthorne's "Young Goodman Brown" for a Pre-Burton, Burton tone).
And we all know the story: a bungling Ichabod Crane stumbles into Sleepy Hollow, into the mystery of a 'headless' horsemen with a vorpal blade. It's Scooby Doo stuff, yes, all reliant upon levels of curiosity never really accounted for in character. So, Burton and screenwriter Kevin Yagher simply changed that, made Ichabod not a schoolteacher, but something like the first forensic pathologist (~Twain's Pudd'nhead Wilson). Altering the job title isn't quite enough, however, so they take it one step further, and have 'Constable' Crane's superiors charge him with figuring out these decapitations. It's more than just a droll homicide case for Ichabod, though. Sleepy Hollow is his one, good chance to prove his "trappings of scientific investigation"--a host of DaVinci-clever autopsy devices. The bad thing is, his one good chance turns out to be impenetrable to reason. It's hard to measure the supernatural.
There are a few carryovers from the old version, though, too: Ichabod is still slightly bungling, in the sense that he's prone to feint when dramatically necessary. And, when he can stay conscious, he tends to use children as shields. When he's unconscious, though, we get to see his inner life to a certain extent--what personal demons are driving him to privilege science over the supernatural. So perhaps his feinting is simply economical, an easy way into his head. Another carryover is Ichabod's romantic involvement with Katrina (Christina Ricci), which develops nicely, under the watchful eye of both her current suitor (Caspar Van Diem) and her current mother (Miranda Richardson).
And then of course there's the headless horsemen, Hessian mercenary Christopher Walken at his evil best, made to fit for Burton's colonial America, where the dead are restless and the cleavage rampant. He does keep it all reined in, though--never gets quite lost enough in the period that he thinks he owns the story, can change its fundamentals (1995's Scarlet Letter). Well, he almost doesn't get that lost. The one time he does, when ascribing motives to who turns out to be the 'real' bad guy here, he sets things up such that the bad guy is simply serving some justice on Sleepy Hollow, albeit it with interest. Which typically allows only two endings: either the town accepts responsibility for starting the whole mess or the bad guy kills them all. Sleepy Hollow takes neither path here, but instead seems to ignore the whole issue, which leaves an important narrative development conspicuously undeveloped. In it's defense, though, it does give Washington Irving's tale back to the adults, who themselves may not be quite old enough for the graphic nature of some of the decapitations.
(c) 1999 Stephen Graham Jones, http://www.cinemuck.com
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i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance spans are usually used for a small chunk of html inside a line i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dancei decided to take up this coding class because im a gamer and a nerd at heart. ive always wanted to make my own game or app website w/e. finally have enough motivation and no distractions in my life where i can fully commit myself and hopefully be on my way to a top coder!
i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance
i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to play basketball i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to go on long roadtrips with my freinds i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance i like to dance dont have too many skills but im really good at video games lol
i like to dance i like to dance i like to dance
i like to dance i like to dance i like to dance
i like to dance i like to dance i like to dance
HELLO CODING SCHOOL!
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Even though ES6 introduced the class
keyword
that fairly well mimics classes and allows us to jump into
object-oriented programming, JavaScript is missing the ability to create
public, private, and protected members in a class.
If you have worked with any object-oriented language, you must know the importance of internal vs external interface. Internal interface refers to the methods and properties of a class that is only accessible by the class itself and not from outside. In contrast, the external interface has methods and properties that are also accessible from outside the class.
The three major keywords at play are public, protected, and private.
- Public: These members of the class and available to everyone that can access the (owner) class instance.
- Private: These members are only accessible within the class that instantiated the object.
- Protected: This keyword allows a little more access than private members but a lot less than the public. A protected member is accessible within the class (similar to private) and any object that inherits from it. A protected value is shared across all layers of the prototype chain. It is not accessible by anybody else.
The protected keyword is the hardest keyword of the three to imitate in JavaScript.
Public
This is the default nature of JavaScript. If something has access to an object, it does have access to its members. Example:
const myObject = {
name: "Parwinder",
sayMyName: function () {
return this.name;
}
}
console.log(myObject.name); // Parwinder
console.log(myObject.sayMyName()); // Parwinder
In the above example, I can access the property and method without any issue. If you would rather prefer it in a class syntax:
class ObjectCreator {
name;
constructor(name) {
this.name = name;
}
sayMyName() {
return this.name;
}
}
const myObject = new ObjectCreator("Parwinder");
console.log(myObject.name); // Parwinder
console.log(myObject.sayMyName()); // Parwinder
Private
There are multiple ways of creating private variables in JavaScript. First is closures.
function carMonitor() {
var speed = 0;
return {
accelerate: function () {
return speed++;
}
}
}
var car = new carMonitor();
var redCar = new carMonitor()
console.log(car.accelerate()); // 0
console.log(car.accelerate()); // 1
console.log(redCar.accelerate()); // 0
console.log(redCar.accelerate()); // 1
console.log(car.accelerate()); // 2
console.log(redCar.accelerate()); // 2
console.log(speed); // speed is not defined
car
and redCar
maintain their own private speed
variables, and speed
is not accessible outside. We are enforcing the consumer to use the
methods defined on the function or class rather than accessing the
properties directly (which they should not). This is how you would
encapsulate your code.
The second way is by using the #
notation.
class ObjectCreator {
#meaningOfLife;
constructor(name) {
this.#meaningOfLife = 42;
}
returnMeaningOfLife() {
return this.#meaningOfLife;
}
#returnAMessage() {
return "You will do great things in life";
}
}
const myObject = new ObjectCreator("Parwinder");
console.log(myObject.returnMeaningOfLife()); // 42
console.log(myObject["#meaningOfLife"]); // undefined
console.log(myObject.#meaningOfLife); // SyntaxError
console.log(myObject.#returnAMessage); // SyntaxError
The language enforces encapsulation. It is a syntax error to refer to #
names from out of scope. Public and private fields do not conflict. We
can have both private #meaningOfLife and public meaningOfLife fields in
the same class.
🚨 The #
method for declaring private members of a class is in part of ES2019/ES10.
Protected
Like I said at the beginning of this post, protected is the hardest of all 3 to implement in JavaScript. The only way that I can think of doing this is by using a class that has a getter for a property without a setter. The property will be read-only, and any object will inherit it from the class, but it will only be change-able from within the class itself.
🙏 If you have an example of creating protected members of the class (or as close to protected as we can get), please do share!
class NameGenerator {
_name;
constructor(name) {
this._name = name;
}
get name() {
return this._name;
}
}
let nameGenerator = new NameGenerator("John");
console.log(`My name is ${nameGenerator.name}`); // My name is John
nameGenerator.name = "Jane"; // Cannot assign to 'name' because it is a read-only property.
Discussion
For protected variables you could also kind of use what was used for private variables with a function.
Though I don't have any good idea on how to actually change the values instead of creating a new object;


{% extends "base.html" %} {% block contents %} {% if mail_sent %}
Thank you for your feedback. It has been emailed to the site administrators.


The redesign is here!
03/01/2021
Welcome to the new site! The blogposts haven't changed, so if this is the first time you're seeing it, you won't notice a thing. If you'd look at the bottom of the screen, though...
Woah! There's now icons on them that look a million times better! And if you hover over them, you can still see what they are!
There's a ton of other changes as well, so for ease of access (and 'cause I'm lazy), here's a quick list of them:
- "WIP" notice removed from front page
- All other notices removed for the time being (They may come back if needed)
- Footer area replaced with icons and tooltips
- Made footer dynamic to screen size (unless you have an ungodly small screen that's under ~200px wide)
- Added Discord server to footer
- Background added to blog post list
- Weird code style in blog post list fixed
- Projects page completely revamped
- Projects are no longer in two separate pages, now in two separate areas on one page
- All projects now in new 'card' design
- Thank you to Matthais#8217 from the CodeSupport community for helping out with an odd bug with this new design, regarding its hover functionality.
- Most project text has been rewritten
- mutat.io added to the released project list since the excuse of it being in alpha doesn't work when 99% of my projects are a WIP
- Meme Dumpyard removed as the source is no longer available (it was also generally terrible anyways)
- Socials page now use new 'card' design for accounts
- Added new "Other" page that includes pages that aren't a blog post, project, or social media account.
- Added resume
- Hosted version does not include my phone number or address. (Information can be provided if you can verify you're in a position to both hire developers and not leak it to the world.)
- Added brand kit
- Added sitemap
- Added credits
- Added Discord embed functionality (which also happens to be basic OpenGraph support) to all pages
- File structure cleaned up
- New favicon, along with proper formats
- Pages no longer link to the favicon by URL
- Additional redirects added to index.js script to reflect new file structure
- Added MIT License
Yeah, I wasn't kidding when I said a "ton". I'm pretty sure this changelog can rival even Minecraft's changelogs. In fact, it can.
If you have any feedback on the new site, or just want to pop in and say hello, you should check out the Discord server. Yes, I know, shilling again. It's the best way to get in touch with me, though, and I could use some company in there. Seriously, only 11 people are in it. 5 of which are people I know IRL. Plz.
Well, hope you guys enjoy it, and I'll see you all in the next blog post.
o/
~ggtylerr


Font icons
Problem
The images which I use in my app for navigation icons and buttons is increasing the size of my app. It decreases the chances my app being downloaded on low memory devices and requires longer install times.
Solution
Use font-icons instead of images in your app.
Explanation
Many icons which you see in the apps are actually font-icons and not images. Font icons are nothing but characters , except they are in custom designed font-family unlike the font-family which we are used to seeing (like Ariel, Times New Roman etc).
The icons which you see in the above screenshots from Google Maps are all font icons. By the way, font-icons can be used on web also.
How to get started
You need to add a font file to your app to use the font-icons. You can head to fontastic.me or fontawesome to download a font-file. Add it to your app as a resource and then use it as a font family for a text field in your app. Play around with it by changing the character, size and its color. Now instead of 100s of images, you would have a single file with its size in KBs.


--- layout: post status: publish published: true title: Congrats Simon! author: display_name: Tomas Restrepo login: tomasr email<EMAIL_ADDRESS>url: http://winterdom.com/ author_login: tomasr author_email<EMAIL_ADDRESS>author_url: http://winterdom.com/ wordpress_id: 684 wordpress_url: http://winterdom.com/2003/03/congratssimon date: '2003-03-12 17:40:33 +0000' date_gmt: '2003-03-12 17:40:33 +0000' categories: - Personal tags: [] comments: - id: 459 author: Simon Fell author_email<EMAIL_ADDRESS>author_url: http://www.pocketsoap.com/weblog/ date: '2003-03-16 18:36:59 +0000' date_gmt: '2003-03-16 18:36:59 +0000' content: |
Thanks!, it was
---A day late, but Congratulations Simon! (At least, I'm assuming it meant yesterday was your birthday!)


{% extends "base.html" %} {% block extra_head %} {% endblock %} {% block content %} {% if error %}
{{ error }}
Ex: Churchkey, Buffalo Billiards, Fili's House
Optional, but helps narrow it down if GPS isn't accurate enough.
Optional, but useful for people to know. Choose a category {% for type in category_choices %} {{ type.name }} {% endfor %}


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| Name | Description | Required | Default value |
|---|---|---|---|
| OPENSHIFT_NAMESPACE | The namespace used on Openshift where this constellation is deployed to. | true | acpr-database-operator |
| AVALOQ_CONTAINER_IMAGE_REGISTRY | URL of the container image registry. Must end with "/", unless you set it to null | true | registry.service.avaloq.com/ |
| AVALOQ_DATABASE_OPERATOR_CONTAINER_IMAGE | Container image name and version. Example: avaloq/avaloq-database-operator:0.7.1 |
false | avaloq/avaloq-database-operator:0.7.1 |
| AVALOQ_DATABASE_OPERATOR_LOGACCESS_GROUPNAME | User group which will get access to database operator logs Example: database-operators |
false | system:authenticated |
| AVALOQ_DATABASE_OPERATOR_ENV | Comma separated list of container environment variables to inject Example: DB_OPERATOR_DROP_SCHEMA_ON_DELETE:false,SPRING_PROFILES_ACTIVE:readonly |
false | |
| AVALOQ_DATABASE_OPERATOR_RESOURCES_REQUEST_CPU | The cpu requests of the application. For more information of possible values, please check out the following page. https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/ | false | 5m |
| AVALOQ_DATABASE_OPERATOR_RESOURCES_REQUEST_MEMORY | The memory requests of the application. For more information of possible values, please check out the following page. https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/ | false | 512Mi |
| AVALOQ_DATABASE_OPERATOR_RESOURCES_LIMIT_CPU | The cpu limit of the application. For more information of possible values, please check out the following page. https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/ | false | 2 |
| AVALOQ_DATABASE_OPERATOR_RESOURCES_LIMIT_MEMORY | The memory limit of the application. For more information of possible values, please check out the following page. https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/ | false | 512Mi |
| Name | Path | Description |
|---|---|---|
| oracle-templates | oracle-templates | oracle templates configmap All files in this folder will be converted as ConfigMap. Files *.template are included. |