MicroPython external C modules¶
When developing modules for use with MicroPython you may find you run into limitations with the Python environment, often due to an inability to access certain hardware resources or Python speed limitations.
If your limitations can’t be resolved with suggestions in Maximising MicroPython speed, writing some or all of your module in C (and/or C++ if implemented for your port) is a viable option.
If your module is designed to access or work with commonly available hardware or libraries please consider implementing it inside the MicroPython source tree alongside similar modules and submitting it as a pull request. If however you’re targeting obscure or proprietary systems it may make more sense to keep this external to the main MicroPython repository.
This chapter describes how to compile such external modules into the MicroPython executable or firmware image. Both Make and CMake build tools are supported, and when writing an external module it’s a good idea to add the build files for both of these tools so the module can be used on all ports. But when compiling a particular port you will only need to use one method of building, either Make or CMake.
An alternative approach is to use Native machine code in .mpy files which allows writing custom C code that is placed in a .mpy file, which can be imported dynamically in to a running MicroPython system without the need to recompile the main firmware.
Structure of an external C module¶
A MicroPython user C module is a directory with the following files:
*.c
/*.cpp
/*.h
source code files for your module.These will typically include the low level functionality being implemented and the MicroPython binding functions to expose the functions and module(s).
Currently the best reference for writing these functions/modules is to find similar modules within the MicroPython tree and use them as examples.
micropython.mk
contains the Makefile fragment for this module.$(USERMOD_DIR)
is available inmicropython.mk
as the path to your module directory. As it’s redefined for each c module, is should be expanded in yourmicropython.mk
to a local make variable, egEXAMPLE_MOD_DIR := $(USERMOD_DIR)
Your
micropython.mk
must add your modules source files relative to your expanded copy of$(USERMOD_DIR)
toSRC_USERMOD
, egSRC_USERMOD += $(EXAMPLE_MOD_DIR)/example.c
If you have custom compiler options (like
-I
to add directories to search for header files), these should be added toCFLAGS_USERMOD
for C code and toCXXFLAGS_USERMOD
for C++ code.micropython.cmake
contains the CMake configuration for this module.In
micropython.cmake
, you may use${CMAKE_CURRENT_LIST_DIR}
as the path to the current module.Your
micropython.cmake
should define anINTERFACE
library and associate your source files, compile definitions and include directories with it. The library should then be linked to theusermod
target.add_library(usermod_cexample INTERFACE) target_sources(usermod_cexample INTERFACE ${CMAKE_CURRENT_LIST_DIR}/examplemodule.c ) target_include_directories(usermod_cexample INTERFACE ${CMAKE_CURRENT_LIST_DIR} ) target_link_libraries(usermod INTERFACE usermod_cexample)
See below for full usage example.
Basic example¶
This simple module named cexample
provides a single function
cexample.add_ints(a, b)
which adds the two integer args together and returns
the result. It can be found in the MicroPython source tree
in the examples directory
and has a source file and a Makefile fragment with content as described above:
micropython/
└──examples/
└──usercmodule/
└──cexample/
├── examplemodule.c
├── micropython.mk
└── micropython.cmake
Refer to the comments in these files for additional explanation.
Next to the cexample
module there’s also cppexample
which
works in the same way but shows one way of mixing C and C++ code
in MicroPython.
Compiling the cmodule into MicroPython¶
To build such a module, compile MicroPython (see getting started), applying 2 modifications:
Set the build-time flag
USER_C_MODULES
to point to the modules you want to include. For ports that use Make this variable should be a directory which is searched automatically for modules. For ports that use CMake this variable should be a file which includes the modules to build. See below for details.Enable the modules by setting the corresponding C preprocessor macro to 1. This is only needed if the modules you are building are not automatically enabled.
For building the example modules which come with MicroPython,
set USER_C_MODULES
to the examples/usercmodule
directory for Make,
or to examples/usercmodule/micropython.cmake
for CMake.
For example, here’s how the to build the unix port with the example modules:
cd micropython/ports/unix
make USER_C_MODULES=../../examples/usercmodule
You may need to run make clean
once at the start when including new
user modules in the build. The build output will show the modules found:
...
Including User C Module from ../../examples/usercmodule/cexample
Including User C Module from ../../examples/usercmodule/cppexample
...
For a CMake-based port such as rp2, this will look a little different (note
that CMake is actually invoked by make
):
cd micropython/ports/rp2
make USER_C_MODULES=../../examples/usercmodule/micropython.cmake
Again, you may need to run make clean
first for CMake to pick up the
user modules. The CMake build output lists the modules by name:
...
Including User C Module(s) from ../../examples/usercmodule/micropython.cmake
Found User C Module(s): usermod_cexample, usermod_cppexample
...
The contents of the top-level micropython.cmake
can be used to control which
modules are enabled.
For your own projects it’s more convenient to keep custom code out of the main MicroPython source tree, so a typical project directory structure will look like this:
my_project/
├── modules/
│ ├── example1/
│ │ ├── example1.c
│ │ ├── micropython.mk
│ │ └── micropython.cmake
│ ├── example2/
│ │ ├── example2.c
│ │ ├── micropython.mk
│ │ └── micropython.cmake
│ └── micropython.cmake
└── micropython/
├──ports/
... ├──stm32/
...
When building with Make set USER_C_MODULES
to the my_project/modules
directory. For example, building the stm32 port:
cd my_project/micropython/ports/stm32
make USER_C_MODULES=../../../modules
When building with CMake the top level micropython.cmake
– found directly
in the my_project/modules
directory – should include
all of the modules
you want to have available:
include(${CMAKE_CURRENT_LIST_DIR}/example1/micropython.cmake) include(${CMAKE_CURRENT_LIST_DIR}/example2/micropython.cmake)
Then build with:
cd my_project/micropython/ports/esp32
make USER_C_MODULES=../../../../modules/micropython.cmake
Note that the esp32 port needs the extra ..
for relative paths due to the
location of its main CMakeLists.txt
file. You can also specify absolute
paths to USER_C_MODULES
.
All modules specified by the USER_C_MODULES
variable (either found in this
directory when using Make, or added via include
when using CMake) will be
compiled, but only those which are enabled will be available for importing.
User modules are usually enabled by default (this is decided by the developer
of the module), in which case there is nothing more to do than set USER_C_MODULES
as described above.
If a module is not enabled by default then the corresponding C preprocessor macro
must be enabled. This macro name can be found by searching for the MP_REGISTER_MODULE
line in the module’s source code (it usually appears at the end of the main source file).
The third argument to MP_REGISTER_MODULE
is the macro name, and this must be set
to 1 using CFLAGS_EXTRA
to make the module available. If the third argument is just
the number 1 then the module is enabled by default.
For example, the examples/usercmodule/cexample
module is enabled by default so
has the following line in its source code:
MP_REGISTER_MODULE(MP_QSTR_cexample, example_user_cmodule, 1);
Alternatively, to make this module disabled by default but selectable through a preprocessor configuration option, it would be:
MP_REGISTER_MODULE(MP_QSTR_cexample, example_user_cmodule, MODULE_CEXAMPLE_ENABLED);
In this case the module is enabled by adding CFLAGS_EXTRA=-DMODULE_CEXAMPLE_ENABLED=1
to the make
command, or editing mpconfigport.h
or mpconfigboard.h
to add
#define MODULE_CEXAMPLE_ENABLED (1)
Note that the exact method depends on the port as they have different structures. If not done correctly it will compile but importing will fail to find the module.
Module usage in MicroPython¶
Once built into your copy of MicroPython, the module can now be accessed in Python just like any other builtin module, e.g.
import cexample
print(cexample.add_ints(1, 3))
# should display 4


|
ovs all
|
Functions | |
| def | ovs_vsctl_add_bridge (bridge) |
| def | ovs_vsctl_del_bridge (bridge) |
| def | ovs_vsctl_del_pbridge (bridge, iface) |
| def | ovs_vsctl_is_ovs_bridge (bridge) |
| def | ovs_vsctl_add_port_to_bridge (bridge, iface) |
| def | ovs_vsctl_del_port_from_bridge (port) |
| def | ovs_vsctl_set (table, record, column, key, value) |
| def | ovs_get_physical_interface (bridge) |
| def ovstest.vswitch.ovs_get_physical_interface | ( | bridge | ) |
This function tries to figure out which is the physical interface that belongs to the bridge. If there are multiple physical interfaces assigned to this bridge then it will return the first match.
| def ovstest.vswitch.ovs_vsctl_add_bridge | ( | bridge | ) |
This function creates an OVS bridge.
| def ovstest.vswitch.ovs_vsctl_add_port_to_bridge | ( | bridge, | |
| iface | |||
| ) |
This function adds given interface to the bridge.
| def ovstest.vswitch.ovs_vsctl_del_bridge | ( | bridge | ) |
This function deletes the OVS bridge.
| def ovstest.vswitch.ovs_vsctl_del_pbridge | ( | bridge, | |
| iface | |||
| ) |
This function deletes the OVS bridge and assigns the bridge IP address back to the iface.
| def ovstest.vswitch.ovs_vsctl_del_port_from_bridge | ( | port | ) |
This function removes given port from a OVS bridge.
| def ovstest.vswitch.ovs_vsctl_is_ovs_bridge | ( | bridge | ) |
This function verifies whether given port is an OVS bridge. If it is an OVS bridge then it will return True.
| def ovstest.vswitch.ovs_vsctl_set | ( | table, | |
| record, | |||
| column, | |||
| key, | |||
| value | |||
| ) |
This function allows to alter the OVS database. If column is a map, then caller should also set the key, otherwise the key should be left as an empty string.


Akamai\Open\EdgeGrid\Client::getConfig
Get a client configuration option.
These options include default request options of the client, a "handler" (if utilized by the concrete client), and a "base_uri" if utilized by the concrete client.
Signature
public function getConfig([string|null
$option = null] )
Parameters
$option
— object- The config option to retrieve.
Returns
- mixed
Test Coverage
Information
- Coverage: 1/1 Lines (100%)
- Tests: 3
- Passed: 3 (100%)
Tests
- [ PASSED ] — Akamai\Open\EdgeGrid\Tests\ClientTest::testDefaultTimeout
- [ PASSED ] — Akamai\Open\EdgeGrid\Tests\ClientTest::testTimeoutOption
- [ PASSED ] — Akamai\Open\EdgeGrid\Tests\ClientTest::testSetTimeout


Amadine's
Cake Pops
Best Donuts in Town
Birthday Cakes
Seasonal Cookies
Coffee Cakes
Special Pastries
Fruit Pies
Ice Cream Cakes
Season's Special
Cookies
6 dozens
Each dozen packaged individually
$15.00
You can combine 4 varieties
Season's Special
Cookies
6 dozens
Each dozen packaged individually
$15.00
You can combine 4 varieties
Season's Special
Cookies
6 dozens
Each dozen packaged individually
$15.00
You can combine 4 varieties


This web app takes tableau XML files and visualizes a data map scraping all info within
not uploaded the file yet?
All you need to do is to drag file to box
need forms filled out!
Enjoy user-friendly design while checking out data inside!
quick demo page please
View details »


Information:
Demonstration of Pong 2180
Demo to show: 1. GPS entry 2. Address Generation
3. Firebase disp coord 4. Google Maps Display
Searching for GPS location
Please allow location privaledge and then wait


Music Match
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Daily site visits
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Increased by 20%
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1">Crop production statistics
1"
style="width: 100%; height: 500px; padding-bottom: 3%;"
class="ag-theme-alpine"
[rowData]="yieldRowData"
[columnDefs]="yieldColumnDefs"
[pagination]="true"
class="ag-theme-alpine"
>
1">Real Time Market Mandi Price
1"
style="width: 100%; height: 500px; padding-bottom: 3%;"
class="ag-theme-alpine"
[rowData]="rowData"
[columnDefs]="columnDefs"
[pagination]="true"
class="ag-theme-alpine"
>


GeoTools is an open source Java library that provides tools for geospatial data. Our Users guide provides an overview of the core features, supported formats and standards support.
License
GeoTools licensed under the LGPL. The user guide license page describes the less restrictive license for documentation and source code examples.
Contributing
The developers guide outlines ways to contribute to GeoTools using patches, pull requests and setting up new modules.
If you are already experienced with GitHub please check our pull request page before you start!
Building
GeoTools uses Apache Maven for a build system. To build the library run maven from the root of the repository.
% mvn clean install
See the user guide for more details.
Bugs
GeoTools uses JIRA, hosted by Atlassian, for issue tracking.
Mailing Lists
The user list is for all questions related to GeoTools usage.
The dev list is for questions related to hacking on the GeoTools library itself.


Try typing in different types of inputs, charaters, numbers, etc. Does the code do what you think?
Save this file somewhere different on your machine. See what happens to the link that prints out the URI.
What happens if you forget the script tags?
Hi


| Path: | README.txt |
| Last Update: | Thu Apr 23 14:40:35 +0600 2009 |
Author: Clifford Heath, 2007
The Polyglot library allows a Ruby module to register a loader for the file type associated with a filename extension, and it augments ‘require’ to find and load matching files.
This supports the creation of DSLs having a syntax that is most appropriate to their purpose, instead of abusing the Ruby syntax.
Files are sought using the normal Ruby search path.
In file rubyglot.rb, define and register a file type handler:
require 'polyglot' class RubyglotLoader def self.load(filename, options = nil, &block) File.open(filename) {|file| # Load the contents of file as Ruby code: # Implement your parser here instead! Kernel.eval(file.read) } end end Polyglot.register("rgl", RubyglotLoader)
In file test.rb:
require 'rubyglot' # Create my file type handler require 'hello' # Can add extra options or even a block here puts "Ready to go" Hello.new
In file hello.rgl (this simple example uses Ruby code):
puts "Initializing" class Hello def initialize() puts "Hello, world\n" end end
Run:
$ ruby test.rb Initializing Ready to go Hello, world $
sudo gem install polyglot
(The MIT License)
Copyright (c) 2007 Clifford Heath
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


|
Boost [kgf/cm2] |
Tacho [rpm] |
Speed [km/h] |
|---|---|---|
|
WaterTemp [degC] |
Battery [V] |
A/F |


Sanctuaries and other sacred places constitute an invaluable source of information in Italic communities. At least as important as the sacred places themselfse, however, is their relationship to other elements in the cultural landscape, such as settlements, necropoleis and roads, this 'landscape of the sacred' is essential for out understanding of the changing functions and cultural meaning of sactuaries.
A major problem affecting the study of the sactuaries of southern and central Italy is the frequent absence of information about their spatial context. It is this lacuna in the arcaeological record that the 'Sacred Landscape Project' aims to reduce and various intensive field surveys around selected Italic sancuaries are now sheduled.
Stek & Pelgrom 2005
We surveyed the sample area in units with a maximum of 50 by 100 m (0.5 ha) at 10 m intervals between field walkers, which corresponds to a 20 per cent coverage. All artefacts were collected, washed and classified (Fig. 3). In units in which there were too many tiles to collect, these were counted in small sample areas of 1 m2 to make an estimate of the overall quantity. The fields immediately surrounding the cult place have been sampled more intensively in units of 10 x 10 m, giving a theoretical coverage of 100 per cent. The result is a detailed artefact density contour map of the area around the temple. The idea behind this strategy was to be able to detect possible adjacent structures. This 100 per cent coverage sampling strategy also helped us to form as complete an image as possible of the finds belonging to the sanctuary site, enabling a refinement of the chronology and the repertoire of small finds.
Site identification was primarily based on observed relative contrasts in find densities. For Hellenistic and Roman sites, a general minimum of five shards per square meter has been adopted. After having pinpointed potential sites the standard transect survey was completed before investigating the high density areas in more detail. In drawing the boundaries of the halo’s and nuclei, relative contrasts in find densities were preferred to fixed thresholds. Additional diagnostic finds were collected for dating and functional analysis. A handheld GPS was used to record the coordinates of the halo and nuclei of the find concentrations encountered. During the 2005 survey, PDA computers with a connected GPS were used in the field for both navigation and data input.3 Both survey unit boundaries and site contours were mapped on 1:10.000 maps of the region.
For each unit, the land use, erosion processes when noted, tillage and various visibility factors (stones, shade, vegetation, soil humidity, presence of recent material) were recorded. These factors determined the final visibility. Observations about the geo-morphological situation, present land use, tillage and modern alterations to the landscape were also noted. This information about the landscape was integrated into the chronological and functional analysis of the finds carried out, and thus our field data could be corrected for biases which amongst other results has resulted in the recognition of sites missed in the field.
Stek & Pelgrom 2010


Raj
The Elm Architecture for JavaScript
Features
-
Understandable
Raj is 34 lines; 190 bytes minified. This framework can fit in your head or even a tweet.
-
Testable
Raj forces us to design for better separated concerns, simpler logic, and easier tests.
-
Minimal
Raj provides a tiny foundation for libraries and applications.
-
Portable
Raj is view layer agnostic. The view is a side effect of state.
Resources
-
What is Raj Article
Problems Raj solves and how it compares with Redux and Elm.
-
Why Raj Article
Why does this exist and why was it made the way it was.
-
Raj by Example Tutorial
Learn how to build programs and applications with Raj.
-
Fun on the Frontend
The problems Raj solves for front-end development.
-
Raj RealWorld Example
A single page app written with Raj featuring auth and REST API.
Packages
-
raj-compose Core
Program composition. Applications assemble from small programs.
-
raj-web-debugger Awesome
Time traveling debugger to pause, play, and rewind programs.
-
raj-react View
React bindings to integrate Raj's runtime into the React ecosystem.
-
raj-fritz View
Fritz web component bindings to integrate Raj's runtime.
-
raj-subscription
Cancelable effects. Utilities and declarative subscriptions.
-
raj-spa
Single page applications, coordinating navigation and views.
Have you adopted Raj into your software?
Have you built a library for the Raj ecosystem?
Have you written or presented about Raj?
Submit your thingy


Usage with gradle
1. Add the following repositoryrepositories { maven { url "http://dl.bintray.com/riccardo/jme3-bullet-native" } }2. Replace your jme3-bullet-native dependency with
compile "org.jmonkeyengine.bullet_builder:jme3-bullet-native:$VERSION"3. Replace $VERSION in the string above with one version chosen from the list below
(Note: jmonkeyengine-master-* are built from the official master branch)
More links
Github repo https://github.com/riccardobl/jme3-bullet-builderBintray repo https://bintray.com/riccardo/jme3-bullet-native/jme3-bullet-native


Nesting Lists
Favorite Directors and Their Movies
Christopher Nolan
The Batman Series
The Dark Knight
The Dark Knight Rises
Inception
Memento
Guy Ritchie
Sherlock Holmes
Revolver
James Cameron
Avatar
Nesting Images in Tables
Images in Tables


My last year at college was the most grueling part of my life. Taking 21 credit hours, three majors, two jobs, not going to Ph.D. or graduate school in favor of going into corporate – it all weighs in on you. No one tells you this. One of the things that gave me immense comfort and an out was Joseph Anderson’s Persona 5 streams. I would watch them while falling asleep, working my jobs, and doing regular homework. A calming voice that was always there. It gave me peace. Very parasocial. Thank you.
Despite me actively watching over 200 hours worth of Persona 5 content – I have never played the actual game. Thinking of it, I probably never will. The soundtrack, choices made within the game (by Joe), the flow of everything – I want it all to belong to that time, untainted.
Funnily enough, I also watched the entirety of Persona 4 streams by Joseph Anderson after graduation (the two months I couldn’t move a muscle out of exhaustion). Still, I would like to play the game for myself one day. Something about it lures me more than its successor. I don’t know – we will have to see. But as always,
Every day’s great at your Junes!


Grand Master Liane:
I know very little about him.
If you wish to learn more, I advise you to visit Hierarch Kekropus, who has ruled the Kamael for ages and possesses much wisdom about such matters.


This package is the implementation of the IntAct data model. The IntAct system will be developed in several iterations:
- IntActTest: Minimal test system to test technical aspects, no real functionality.
- IntActCore: System providing core functionality. Classes belonging to this phase are represented in blue.
- IntActFull: The full IntAct system. Classes belonging to this phase are represented in yellow.
An
overview can be gained from the class diagram:
@since JDK1.1
Last modified: Sat Mar 16 16:34:49 GMT 2002
by Henning Hermjakob, hhe@ebi.ac.uk


Moons
There are more than 194 moons of the various planets, dwarf planets in the solar system. The planets Mercury and Venus do not have any moons and neither does the dwarf planet Ceres. Find out the number of moons each planet has and their names below.
The Earth’s Moon – 1
The Earth has a single moon; the Moon sometime also referred to as Luna.
Mars’ Moons – 2
Mars has two moons called Phobos and Deimos. They were discovered in 1877 by astronomer Asaph Hall, who named them for the Latin terms “fear” and “panic”. These moons are thought to be captured asteroids and are among the smallest natural satellites in the solar system.


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{% extends "base_center.html" %} {% block title %}FableMe - How to read an ePub{% endblock %} {% block maincontent %}
Search "epub reader" on Google or in the app store of your device and you'll find dozens of options to choose from. Here though are some good, free EPUB reading apps we'd recommend starting with:
iBooks: http://bit.ly/ZrnAVa
Bluefire: https://itunes.apple.com/it/app/bluefire-reader/id394275498?mt=8
Aldiko: http://bit.ly/AuxTp0
Freda: http://bit.ly/X25Q1B


| Package | Description |
|---|---|
| org.apache.drill.exec.physical.resultSet.impl |
Handles the details of the result set loader implementation.
|
| org.apache.drill.exec.store.avro | |
| org.apache.drill.exec.store.easy.json.loader | |
| org.apache.drill.exec.vector.accessor |
Provides a light-weight, simplified set of column readers and writers that
can be plugged into a variety of row-level readers and writers.
|
| org.apache.drill.exec.vector.accessor.writer |
Implementation of the vector writers.
|
| org.apache.drill.exec.vector.accessor.writer.dummy |
This package provides a "dummy" set of writers.
|
| Modifier and Type | Method and Description |
|---|---|
ObjectWriter |
TupleState.addColumn(TupleWriter tupleWriter,
ColumnMetadata columnSchema) |
ObjectWriter |
TupleState.addColumn(TupleWriter tupleWriter,
MaterializedField column) |
ObjectWriter |
UnionState.addMember(ColumnMetadata member) |
ObjectWriter |
ListState.addMember(ColumnMetadata member) |
ObjectWriter |
UnionState.addType(TypeProtos.MinorType type) |
ObjectWriter |
ListState.addType(TypeProtos.MinorType type) |
ObjectWriter |
BuildFromSchema.buildColumn(TupleState state,
ColumnMetadata colSchema)
Build a column recursively.
|
| Modifier and Type | Method and Description |
|---|---|
ColumnConverter |
ColumnConverterFactory.getConverter(TupleMetadata providedSchema,
ColumnMetadata readerSchema,
ObjectWriter writer)
Based on column type, creates corresponding column converter
which holds conversion logic and appropriate writer to set converted data into.
|
| Modifier and Type | Method and Description |
|---|---|
ObjectWriter |
FieldDefn.fieldWriterFor(ColumnMetadata colSchema) |
| Modifier and Type | Method and Description |
|---|---|
ElementParser |
BaseFieldFactory.buildOuterArrays(ObjectWriter writer,
int dims,
Function<ObjectWriter,ElementParser> innerCreator)
Create layers of repeated list listeners around the type-specific
array.
|
ElementParser |
BaseFieldFactory.multiDimObjectArrayFor(ObjectWriter writer,
int dims,
TupleMetadata providedSchema)
Create a repeated list listener for a Map.
|
protected ElementParser |
BaseFieldFactory.multiDimScalarArrayFor(ObjectWriter writer,
int dims)
Create a repeated list listener for a scalar value.
|
protected ElementParser |
BaseFieldFactory.multiDimVariantArrayParserFor(ObjectWriter writer,
int dims)
Create a repeated list listener for a variant.
|
| Modifier and Type | Method and Description |
|---|---|
ElementParser |
BaseFieldFactory.buildOuterArrays(ObjectWriter writer,
int dims,
Function<ObjectWriter,ElementParser> innerCreator)
Create layers of repeated list listeners around the type-specific
array.
|
| Modifier and Type | Method and Description |
|---|---|
ObjectWriter |
VariantWriter.addMember(ColumnMetadata schema) |
ObjectWriter |
VariantWriter.VariantWriterListener.addMember(ColumnMetadata schema) |
ObjectWriter |
VariantWriter.addMember(TypeProtos.MinorType type) |
ObjectWriter |
VariantWriter.VariantWriterListener.addType(TypeProtos.MinorType type) |
ObjectWriter |
TupleWriter.column(int colIndex) |
ObjectWriter |
TupleWriter.column(String colName) |
ObjectWriter |
ArrayWriter.entry()
The object type of the list entry.
|
ObjectWriter |
VariantWriter.member(TypeProtos.MinorType type)
Set the type of the present value and get the writer for
that type.
|
ObjectWriter |
VariantWriter.memberWriter(TypeProtos.MinorType type)
Create or retrieve a writer for the given type.
|
ObjectWriter |
DictWriter.valueWriter()
Returns the writer associated with value field.
|
| Modifier and Type | Class and Description |
|---|---|
static class |
AbstractArrayWriter.ArrayObjectWriter
Object representation of an array writer.
|
class |
AbstractObjectWriter
Abstract base class for the object layer in writers.
|
static class |
AbstractScalarWriterImpl.ScalarObjectWriter
Wraps a scalar writer and its event handler to provide a uniform
JSON-like interface for all writer types.
|
static class |
AbstractTupleWriter.TupleObjectWriter
Generic object wrapper for the tuple writer.
|
static class |
DictEntryWriter.DictEntryObjectWriter |
static class |
ObjectDictWriter.DictObjectWriter |
static class |
UnionWriterImpl.VariantObjectWriter |
| Modifier and Type | Method and Description |
|---|---|
ObjectWriter |
AbstractTupleWriter.TupleWriterListener.addColumn(TupleWriter tuple,
ColumnMetadata column) |
ObjectWriter |
AbstractTupleWriter.TupleWriterListener.addColumn(TupleWriter tuple,
MaterializedField field) |
ObjectWriter |
UnionWriterImpl.addMember(ColumnMetadata colSchema) |
ObjectWriter |
UnionWriterImpl.addMember(TypeProtos.MinorType type) |
ObjectWriter |
AbstractTupleWriter.column(int colIndex) |
ObjectWriter |
AbstractTupleWriter.column(String colName) |
ObjectWriter |
AbstractArrayWriter.entry() |
ObjectWriter |
EmptyListShim.member(TypeProtos.MinorType type) |
ObjectWriter |
SimpleListShim.member(TypeProtos.MinorType type) |
ObjectWriter |
UnionWriterImpl.member(TypeProtos.MinorType type) |
ObjectWriter |
UnionWriterImpl.UnionShim.member(TypeProtos.MinorType type)
Return an existing writer for the given type, or create a new one
if needed.
|
ObjectWriter |
UnionVectorShim.member(TypeProtos.MinorType type) |
ObjectWriter |
UnionWriterImpl.memberWriter(TypeProtos.MinorType type) |
ObjectWriter |
ObjectDictWriter.valueWriter() |
| Modifier and Type | Method and Description |
|---|---|
ObjectWriter |
DummyDictWriter.valueWriter() |
Copyright © 2021 The Apache Software Foundation. All rights reserved.


Coordinated Calendars
Easily organize and color-coordinate your schedule and schoolwork, capture details about every assignment, and plan your study schedule.
Schedule at a Glance
Categorize your assignments, set up grading scales, and enter details about teachers, room location, schedules, credits, and more!
Grade Analysis
Constantly up-to-date details about your grades in every class, a breakdown of your progress, and insight into which classes you're acing and what could use improvement.
Assignment Details
Enter due date and textbook details, add notes to remember later, set a priority level, and record grades when complete.
Materials Organizer
Maintain a list and details of the supplies, books, technology, and equipment you'll need to pick up to be ready for class each semester and each day.
Filtered Lists
Sort assignments by class, priority level, due date, materials needed, etc. for an easy way to structure your study time and plan your approach to mastering your courses.
Coordinated Calendars.The Home Base.
Don't worry about trying to remember every homework assignment, project, or test— use that brainpower to ace your classes and let Helium whip your schedule into shape! Easily organize and color-coordinate your schedule and schoolwork, capture details about every assignment, and plan your study schedule. Keep track of the details of your class, put together your necessary supplies, and catalog things like teacher contact info and class location.
Schedule At A Glance.The Brass Tacks.
With at-a-glance overviews of your past and present terms and classes, a quick sketch of your schedule is always handy. Categorize your assignments, set up grading scales, and enter details about teachers, room location, schedules, credits, and more!
Grade Analysis.The Bottom Line.
Tired of always wondering how you're doing in a class? Frustrated by trying to calculate your own grades? Record grades as you get them, and Helium takes care of the rest! A full workup of your progress is always just a click away, with constantly up-to-date details about your grades in every class, a breakdown of your progression through the term, and insight into which classes you're acing and what could use improvement. We'll crunch the numbers for you!
Assignment Details.The Nitty Gritty.
Never miss an assignment again! Let Helium remember the details of every assignment so you don't have to. Enter due date and textbook details, add notes, set a priority level, and record grades when complete.
Materials Organizer.The Meat & Potatoes.
Everything you need for every class in one place! Helium will maintain a list of the supplies, books, technology, and equipment you'll need to pick up to be ready for class each semester and each day. Make textbook resale a snap by recording details about each book, such as seller, price, and condition.
Filtered Lists.The Nuts & Bolts.
In addition to viewing your assignments and events in the calendar, manage your schedule in List View for a concise snapshot of your assignment lineup. Sort assignments by class, priority level, due date, materials needed, etc. for an easy way to structure your study time and plan your approach to mastering your courses.
The Delightful Dingo. Our Mascot.
Because.
Dingos primarily are wild neighbors to our Aussie friends, though
they can also be found in parts of southeast Asia. They have a bit of a love/hate relationship with
their human neighbors, who partially consider them pests and partially credit them for keeping
rabbits, rats, and kangaroos (yes, kangaroos) at bay.
An iconic aspect of Australian culture and history, we also think Dingos are cool because of their
complex conversation system that, unlike that of Fido who just noticed the mailman out front, is
only 5% barking.


class NATS::Connection
- NATS::Connection
- Reference
- Object
Defined in:
nats/connection.crConstructors
-
.new(host, port, user : String? = nil, pass : String? = nil, name : String? = nil, echo = true, pedantic = false)
Creates a new connection to a NATS Server.
Instance Method Summary
-
#close
Close a connection to the NATS server.
- #closed? : Bool
-
#flush(timeout = 2.second)
Flush will flush the connection to the server.
- #max_payload : Int32
- #new_inbox
-
#on_close(&callback)
Setup a callback for when the connection closes.
-
#on_error(&callback : String -> )
Setup a callback for an async errors that are received.
-
#publish(subject : String, msg)
Publishes a messages to a given subject.
-
#publish(subject : String)
Publishes an empty message to a given subject.
-
#publish_with_reply(subject, reply : String, msg)
Publishes a messages to a given subject with a reply subject.
-
#request(subject : String, msg?, timeout = 2.second)
Request will send a request to the given subject and wait up to timeout for a response.
-
#subscribe(subject, queue : String, &callback : Msg -> )
Subscribe to a given subject with the queue group.
- #subscribe(subject : String, queue : String?, &callback : Msg -> )
-
#subscribe(subject : String, &callback : Msg -> )
Subscribe to a given subject.
Constructor Detail
Creates a new connection to a NATS Server.
nc = NATS::Connection.new("demo.nats.io")
nc = NATS::Connection.new("tls://demo.nats.io")
nc = NATS::Connection.new("nats://#{user}:#{pass}@<IP_ADDRESS>:4222")
nc = NATS::Connection.new(4222, name: "Sample App", user: "derek", pass: "s3cr3t")
nc = NATS::Connection.new(4222)
nc = NATS::Connection.new
Instance Method Detail
Close a connection to the NATS server.
nc = NATS::Connection.new("demo.nats.io")
nc.close
Flush will flush the connection to the server. Can specify a timeout.
Setup a callback for when the connection closes.
nc = NATS::Connection.new("demo.nats.io")
nc.on_close { puts "Connection closed!" }
nc.close
Setup a callback for an async errors that are received.
nc = NATS::Connection.new("demo.nats.io")
nc.on_error { |e| puts "Received an error #{e}" }
Publishes a messages to a given subject.
nc = NATS::Connection.new("demo.nats.io")
nc.publish("foo", "Hello!")
Publishes an empty message to a given subject.
nc = NATS::Connection.new("demo.nats.io")
nc.publish("foo")
Publishes a messages to a given subject with a reply subject.
nc = NATS::Connection.new("demo.nats.io")
nc.publish_with_reply("foo", "reply", "Hello!")
Request will send a request to the given subject and wait up to timeout for a response.
nc = NATS::Connection.new("demo.nats.io")
answer = nc.request("req", "Help!")
puts "Received a response '#{answer}'!"
Subscribe to a given subject with the queue group. Will yield to the callback provided with the message received.
nc = NATS::Connection.new("demo.nats.io")
nc.subscribe("foo", "group1") { |msg| puts "Received '#{msg}'" }
Subscribe to a given subject. Will yield to the callback provided with the message received.
nc = NATS::Connection.new("demo.nats.io")
nc.subscribe("foo") { |msg| puts "Received '#{msg}'" }


This site’s sample collection comprises a set of objects, each of which is represented by one or more images. The collection items in this demo are from The Museum of Islamic Art, Qatar, (courtesy of WikiMedia and Google Art Project) and The Qatar National Library (via World Digital Library).


Sender for throughput testing
Open another
Open listener
Messages sent:
0
Time elapsed:
0
sec
Messages per second:
0
Start
Stop


Betamax
Record & replay HTTP traffic for simple, reliable tests.
Follow @betamaxtest
Tweet
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#crumbname_dash_quality {crumbname_dash_quality_text} #view_dash_quality {dash_wrap} {dash_navi} {dash_quality_body} {view_tail} #dash_list_country_datas #dash_list_country_data
| Publisher Name: Converted from ID | {dash_quality_pub_name} | View portal |
| Publisher ID: | {dash_quality_pub} |
|
{dash_quality_act_count}
Activities
Total number of activities reported by this publisher.
|
Countries
Total number of recipient countries reported by this publisher.
|
||||||||||||||
|
|||||||||||||||
|
{dash_quality_dataset_count}
IATI Datasets
Total number of datasets reported by this publisher.
|
{dash_quality_country_total_invalid}
Invalid Recipients
Instances of invalid recipient countries across all activities.
|
||||||||||||||
|
{dash_quality_trans_count}
Transactions
Total number of reported transactions across all activities.
|
{dash_quality_budget_count}
Budgets
Total number of reported budgets across all activities.
|
| IATI Datasets Each dataset contains a number of activities. Links direct to IATI Registry in new window. | Activities |
|---|
|


编译GNU MPFR （正体中文）
GNU MPFR
MPFR source site : http://www.mpfr.org
Linux 32 / 64
Linux x64 one step compilation script : mpfr-linux-x64.sh
Linux x86 one step compilation script : mpfr-linux-x86.sh
Mac OS X
Mac OS X Clang 64 one step compilation script : mpfr-mac.sh
Windows 32 / 64
Under Windows, MPFR is required to compile with MPIR.
Currently, Only MPFR 3.0.0 can support MPIR under Windows.
- Uncompress mpfr-3.0.0.tar.xz
- Uncompress mpfr-3.0.0.build.vc10.zip
- Go to mpfr-3.0.0/build.vc10
- Look for lib_mpfr and Open up, VC is considered a crap and
unstable, try multiple times please.
- rename mpir-2.6.0 into mpir
- copy everything in lib/(x64,Win32)/Release into
build.vc10/(x64,Win32)/Release
- move build.vc10/(x64,Win32)/Release to
build.vc10/lib(x64,Win32)/Release
- Go to VC and setup include path to
mpir/lib/(x64,Win32)/Release
- Compile and collect your files at
build.vc10/lib/(x64,Win32)/Release
Android ARMv7
Before you build GNU GMP for Android, you need to create a toolchain
root system by issue the following command:
/home/Qt/Android/ndk/build/tools/make-standalone-toolchain.sh
--platform=android-15 --toolchain=arm-linux-androideabi-4.8
--install-dir=/home/Builds/androidsys
Android ARMv7 one step compilation script : mpfr-android.sh
iPhone ARMv7
iPhone ARMv7 one step compilation script : mpfr-ios.sh
Neutrino
International Inc. 2001~2016


--- ---
monstercat-dl
is a PHP command line tool that allows you to download Monstercat songs from your Terminal app without any Gold account. You don't even need to be logged in.
Choose the way you want to use it | Currently v{{ site.params.current_version }}
Assuming you followed the installation documentation, go to monstercat.com, select the release you love the most and copy its ID. For exemple MCEP157
.
With one simple command, you will download all songs in this release.
$ php monstercat-dl.phar MCEP157


home
sales
contact us
Salmon Cookies
locations : you can found use in multiple location around world
Seattle , Tokyo , Dubai , Paris , Lima , irbid
hours open: we open from 6:00AM TO 7:00PM


| Section | Topic | Link |
|---|---|---|
| 01/24 | Divide-and-Conquer | Slides |
| 01/31 | Fast Fourier Transform | Slides |
| 02/07 | Shortest Paths | Slides |
| 02/14 | Greedy Algorithms I | Slides |
| 02/21 | Greedy Algorithms II | Slides |
| 02/28 | Dynamic Programming | Slides |
| 03/07 | Linear Programming | Slides |
| 03/14 | Maximum Flow, MT2 | Slides |
| 03/21 | Zero-Sum Games, Reductions | Slides |
| 04/04 | Search Problems | Slides |
| 04/11 | Approximation Algorithms | Slides |
| 04/18 | Hashing, Streaming | Slides |
| 04/25 | Multiplicative Updates | Slides |


By Atari (1972)
By Namco (1980)
By Nintendo (1983)
By Rockstar North (2013)
By Niantic (2016)
By Oculus Rift (TBA)
Double click to START. Enjoy!


In this project, we’re going to make a Paint application, where you can draw, erase, and choose different colors.
1) Create a circle sprite. On flag click, the circle should move with your mouse pointer.
2) When you click and drag, it should continue to move with you and also draw.
3) Create a width variable slider. Make the size of your sprite and the width of the lines correlate with the width variable. (Tip: To make the variable a slider, double click on the variable display. Also, use "Go back 10 layers" in the Looks menu to make your circle sprite always be behind other sprites.)
4) Create a clear button that clears the screen.
5) Create 4 different color options that change the pen’s color
6) Create an erase button


Currently evaluating the voltage stepdown circuit and can't figure out what keeps the 5v Arduino power protected.
Dividing the AC down to 1vpp, wouldn't that still push through the resistor causing the 5v power to fluctuate?
I am in the US and plan on having two voltage sensing circuits, and two CT circuits. All this powering off the 5v arduino power with no diodes, confuses me. It seems that the AC from the transformers + the AC from the CTs would all effect each other by screwing up the voltage dividers.
Any help would be awesome.
Thanks!!
Re: 5v power protection from AC transformer
Moving along it looks like impedance with a little capacitor help smooth things out for the 5v rail.
I am experimenting with the arduino digital outputs for the 5v source, giving each ct and ac circuit an output set high. This isolates the rail using the arduino clamps.
So far so good. Hoping for thoughts ....
Re: 5v power protection from AC transformer
hello, apologies for slow reply. I've just spent some time simulating this in LTspice and it is interesting with the resistor magnitudes used here, an internal resistance of 0.2 Ohms (typical AA battery at 20C is 0.1Ohms I think) for both power supplies and the ADC input impedence of 100MOhms there is no visible fluctuation on the 5V line.
Without the 10uf capacitor there is a 3.6mV peak-to-peak fluctuation on the 2.5V voltage divider if the voltage divider is made up of 2x 470k resistors or 0.08mV when both are 10k.
If you then add in the 10uf capacitor the voltage divider fluctuation goes down to 0.005mV peak-to-peak for both the 470k and 10k combination.
So well outside the range of significance.
If the components where different, if the voltage divider for the AC voltage input was much smaller and the internal resistance of the power supply much larger say >50Ohms and the ADC input impedence was much smaller then we would see some issues.
Just to make sure we are talking about the same circuit, your reffering to the mains AC v3 circuit right?


Before you can start any work, you must get a local copy of a repository in your
Before you can start any work, you must get a local copy of a repository in your
| Action | Command | |
|---|---|---|
| Navigate to the parent folder that will contain the repository | Using Windows Explorer | |
| Right Click, select 'Git Bash Here' | ||
| Copy the [URL] of the repository | From TFS or GitHub | |
| Clone the repository | git clone [URL] |
Note: A newly created repository will have all the repository content (commits) and already be on the 'master' branch.


Contact
Order
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Home
Debonairs Pizza Place and Lounge
Pizza pap!
Get your pizza in an instant.
The best pizza you'll ever taste
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Pizza size and price here!.


Trojan horse
`Prev `__
T
`Next `__
--------------
**Trojan horse**: n.
[coined by MIT-hacker-turned-NSA-spook Dan Edwards] A malicious
security-breaking program that is disguised as something benign, such as
a directory lister, archiver, game, or (in one notorious 1990 case on
the Mac) a program to find and destroy viruses! See `*back
door* <../B/back-door.html>`__, `*virus* <../V/virus.html>`__,
`*worm* <../W/worm.html>`__, `*phage* <../P/phage.html>`__,
`*mockingbird* <../M/mockingbird.html>`__.
--------------
+------------------------------------+----------------------------+--------------------------+
| `Prev `__ | `Up <../T.html>`__ | `Next `__ |
+------------------------------------+----------------------------+--------------------------+
| troglodyte mode | `Home <../index.html>`__ | troll |
+------------------------------------+----------------------------+--------------------------+


Preparation time
less than 30 mins
Cooking time
30 mins to 1 hour
Serves
Serves 4
An indulgent treat of juicy rib-eye steaks with a creamy mushroom sauce and a crisp potato rosti.
For the rosti, wrap the potato in a clean tea towel and squeeze out as much liquid as you can. Transfer to a bowl and add the parsnip, crème fraîche and egg yolk. Season with salt and pepper and stir to combine.
Heat the butter in a frying pan over a medium heat and place two 7.5cm/3in chefs' rings into the pan. Spoon the potato mixture into the rings, press down well using a spoon and cook for 3-4 minutes, or until the base is golden-brown. Remove the rings and turn the rosti over. Cook for 3-4 minutes on the other side, or until cooked through.
For the mushroom sauce, heat the butter in a large frying pan until foaming. Fry the garlic for 2-3 minutes (do not burn the garlic or it will be bitter). Add the mushrooms and fry for 3-4 minutes, or until golden-brown and the liquid from the mushrooms has been released. Pour in the Madeira and cook until the volume of liquid has reduced by half, then add the stock and reduce again by half. Stir in the cream, tarragon and chervil and simmer for 5-7 minutes.
For the rib-eye steak, heat a large frying pan and add the oil, once hot, add the steaks and cook on each side for 2-3 minutes, or until cooked to your liking (you may need to do this in batches). Add the butter at the last minute and baste the meat. Allow the steak to rest for 10 minutes before serving.
For the parsnip crisps. heat a deep-fat fryer to 180C or half fill a deep heavy pan with oil and heat until a breadcrumb sizzles and turns brown when dropped in. (Caution: Hot oil can be dangerous. Do not leave unattended.) Carefully add the parsnip strips into the oil and fry until golden-brown. Remove using a slotted spoon and drain on kitchen paper.
To serve, cut the steaks into slices and place on serving plates with the sauce, a rosti and some parsnip crisps.


Module 12 Packages
Learning goals
- Learn what
R
packages are and why they are awesome - Learn how to find and read about the packages installed on your machine
- Learn how to install
R
packages fromCRAN
- Learn how to install
R
packages fromGitHub
Introducing R
packages
As established in the Calling functions module, R
comes with hundreds of built-in base functions and datasets ready for use. You can also write your own functions, which we will cover in an upcoming module.
You can also access thousands of other functions and datasets through bundles of external code known as packages. Packages are developed and shared by R
users around the world – a global community working together to increase R
’s versatility and impact.
Some packages are designed to be broadly useful for almost any application, such as the packages you will be learning in this course (ggplot
, dplyr
, stringr
, etc.). Such packages make it easier and more efficient to do your work with R
.
Others are designed for niche problems that can be made much more doable with specialized functions or datasets. For example, the package PBSmapping
contains shoreline, seafloor, and oceanographic datasets and custom mapping functions that make it easier for marine scientists at the Pacific Biological Station (PBS) in British Columbia, Canada, to carry out their work.
Finding the packages already on your computer
In RStudio
, look to the pane in the bottom right and click on the Packages tab. You should see something like this:
This is displaying all the packages already installed in your system.
If you click on one of these packages (try the base
package, for example), you will be taken to a list of all the functions and datasets contained within it.
When you click on one of these functions, you will be taken to the help page for that function. This is the equivalent of typing ? <function_name>
into the Console.
Installing a new package
There are a couple ways to download and install a new R
packae on your computer. Most packages are available from an open-source repository known as CRAN
(which stands for Comprehensive R
Archive Network). However, an increasingly common practice is to release packages on a public repository such as GitHub
.
Installing from CRAN
You can install CRAN
packages one of two ways:
Through clicks:
In RStudio
, in the bottom-right pane, return to the Packages tab. Click on the “Install” button.
You can then search for the package you wish to install then click Install.
Installing from GitHub
To install packages from GitHub
, you must first download a CRAN
package that makes it easy to do so:
Most packages on GitHub
include instructions for downloading it on its GitHub
page.
For example, visit this GitHub
page to see the documentation for the package wesanderson, which provides color palette themes based upon Wes Anderson’s films. On this site, scroll down and you will find instructions for downloading the package. These instructions show you how to install this package from your R
Console:
Now go to your Packages tab in the bottom-right pane of RStudio
, scroll down to find the wesanderson package, and click on it to check out its functions.
Loading an installed package
There is a difference between installed and loaded packages. Go back to your Packages tab. Notice that some of the packages have a checked box next to their names, while others don’t.
These checked boxes indicate which packages are currently loaded. All packages in the list are installed on your computer, but only the checked packages are loaded, i.e., ready for use.
To load a package, use the library()
function.
Now that your new packages are loaded, you can actually use their functions.
Calling functions from a package
Most functions from external packages can be used by simply typing the name of the function. For example, the package fun
contains a function for generating a random password:
Sometimes, however, R
can get confused if a new package contains a function that has the same name of some function from a different package. If R
seems confused about a function you are calling, it can help to specify which package the function can be found in. This is done using the syntax <package_name>::<function_name>
. For example, the following command is a fine alternative to the command above:
Note that this was done in the example above using the devtools
package.
Review: the workflow for using a package
To review how to use functions from a non-base package in R
, follow these steps (examples provided:)
- Install the package
# Example from CRAN
install.packages("wesanderson")
# Example from GitHub
devtools::install_github("karthik/wesanderson")
- Load the package
- Call the function.
(This function creates a plot displaying the different colors contained within the specified palette.)
A note on package dependencies
Most packages contain functions that are built using functions built from other packages. Those new functions depend on the functions from those other packages, and that’s why those other packages are known as dependencies. When you install one function, you will notice that R
typically has to install several other packages at the same time; these are the dependencies that allow the package of interest to function.
A note on package versions
Packages are updated regularly, and sometimes new versions can break the functions that use it as a dependency. Sometimes you may have to install a new version (or sometimes an older version!) of a dependency in order to get your package of interest to work as desired.
Quick overview
You install them from CRAN with install.packages(“x”). You use them in R with library(“x”). You get help on them with help(package = “x”).
Review assigment: let’s install some packages
Install the
babynames
package.Install
ggplot2
.Install
dplyr
.Install
RColorBrewer
.Install
tidyr
.Install
gapminder
.Install
readr
.Write 7 lines of code which load the above packages.


Beta This is a test version of the layout of this page. Take the survey to help us improve it
FOI release
A Freedom of Information (FOI) disclosure about school enrolment rates since 1980.
Can the Department provide information about the secondary school enrolment rate since 1980?
Given the large time frame requested and for consistency purposes, information has been provided on pupil numbers for all school types from 1979 onwards.
The information can found in the following publications, which can be downloaded from the associated resource section of this page:
We are able to provide information on the number of pupils by age from 1998 onwards; however a consistent time series is not available. The list of publications below contains information on the number of pupils by age, which can be downloaded from the associated resource section of this page:


I spoke at the MongoDB Chicago conference on the 18th of October on using MongoDB with Spring Data Document on Cloud Foundry. This was a fantastic event and the response seemed enthusiastic about the cloud and, of course, Cloud Foundry. After all, Cloud Foundry was among the first (the first?) major PaaS players to bring MongoDB to market. On a related note, I'm honored to say that I'll be giving the same talk (basically) at Mongo Seattle, on December 1. If you're in Seattle, and want to grab a beer (or coffee!), then ping me on Twitter or on Google+. Naturally, you could always just come to the Mongo Seattle event - $100 for a fully day of talks from experts in the field is amazingly good deal (and, at this point, an ideal holiday gift!).
That was October 18th. I flew home, caught my breath, and then flew back to Chicago for SpringOne2GX, which I blogged about recently. SpringOne2GX was amazing. I ended up doing not only the three talks I blogged about before, but an impromptu joint session with Roy Clarkson on HTML5 mobile application development. The whole conference is something not to be missed. What an absolutely amazing show filled with amazing people.
| The Mongo Chicago venue at "The Library" | Adam Fitzgerald kicking off the keynote festivities at SpringOne2GX |
| The Chicago skyline at night from one of those trips. I love how the clouds hung in the air, making an otherwise mundane photo really beautiful. |
I returned home just long enough to get a fresh load of laundry and then set back out to Sofia, Bulgaria, for one of my absolute favorite conferences, Java2Days. The conference, in South East Europe, is at the nexus of Greece, Turkey, Italy, Armenia, etc., so it attracts a lot of people who are really enthusiastic about the conference and the technology.
| I met Jean Claude van Damme, and survived! |
The conference itself is unrivaled, of course, but the real draw is the chance you have to meet and greet and to take in the culture. Pack your stomach pump, though, the rakia (and the fraternizing, dancing and fun that accompanies it!) tends to sneak up on you! I was at dinner on with the other speakers and with attendees from the show and in walks Jean Claude van Damme who was in town, apparently, shooting the Expendables 2. He sat down, celebrated a bit and was even kind enough to indulge me in a photo, which I proudly post here. Merci, Jean-Claude!
I returned home on the 6th - giving me just enough time to get a small flu and to prepare my decks for Devoxx, which I leave for on the 12th (in 24 hours, or so, basically).
If you're in Belgium, this is the event to see! Come see me talk with Chris Richardson on Spring on Cloudfoundry for the university talk (3 hours! We're going to cover NoSQL, AMQP, the <cloud:/>
namespace, and much more!) and with Patrick Chanezon for a 1-hour introduction to getting started with Spring on CloudFoundry. Additionally, I'll be participating in the Spring BOF. I've also got a
Spring Roo "quickie" talk, and a talk on socializing your Spring applications using Spring Social.
Should be utterly exhausting, but I look forward to seeing you all there! We're gonna have a lot of fun.


PLANET SICK-BOY: http://www.sick-boy.com "We Put the SIN in Cinema"
Ever hate somebody for being too well liked? Too beautiful? Too respected? Too perfect? That's the basic gist of Beau Travail, Claire Denis' strikingly beautiful film loosely based on Herman Melville's `Billy Budd.'
Denis Lavant (Lovers On the Bridge) plays a French Foreign Legion Sergeant named Galoup. His men, an interesting blend of black Africans and white Europeans, inhabit a post in Djibouti on Africa's east coast. Travail goes out of its way to documents the grueling physical tasks that the soldiers must routinely participate in while baking under the blistering hot sun. Their chores and maneuvers seem incredibly pointless, often drawing smirks from the villagers that watch in amazement.
Short, ugly and scarred (think of a French version of Tommy Lee Jones), Galoup is respected by his men, but he develops an irrational hatred toward one particular soldier named Sentain (Grégoire Colin, The Dreamlife of Angels). Galoup can't stand Sentain's popularity with his fellow soldiers and, especially, the Legion's commanding officer (Michel Subor). His sweeping jealousy begins to affect everything in his life, turning Galoup into an entirely different person.
With Galoup's sparse narration, and the presence of soldiers and beautiful poetic images, Travail reminded me of The Thin Red Line (and it's about half that Oscar nominee). What I found strange was Denis' (Nénette et Boni) need to let her camera linger on the soldier's well-chiseled bodies. The troops were almost always shirtless, and the robotic manner at which they approached their tasks made parts of the film seem like a commercial for The Gap. This, along with Galoup's inexplicable envy of Sentain, provided some very strong homoerotic undertones to Travail.
If anything, Travail is worth a viewing just for its visuals. The pristine blue water of the Indian Ocean offsets the drab, rocky surroundings of Djibouti. Cinematographer Agnès Godard (Nénette) does a fantastic job of capturing the beauty of this particular area of Africa, as well as the dark brutality of man.
1:28 – Not Rated but contains some violent images and implied sexual content
The review above was posted to the
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Related links: index of all rec.arts.movies.reviews reviews


I
used to listen to a radio show when I was a boy which began with a deep bass voice saying,
Who knows what evil lurks within the hearts of men? The Shadow knows. Movies know, too. Films make the human psyche visible as heroes and
villains act out scripts we already have in our imaginations; they give us a glimpse of
the human psychology behind law-breakingand lawmaking.
Alfred Hitchcocks Vertigo is a good example of film
revealing the darker side of human nature. When we
first meet "Scotty" Ferguson (James Stewart) we immediately recognize him as a
man who puts a premium on "control" in his life. Not a surprising personality
trait in a former lawyer who is now a retired San Francisco police detective.
Scotty seems a harmless, if lonely, man, but Hitchcock shows us
that he has the potential to become a sadist, a monster whose need to remake the world and
people in the image of his fantasies leads to violence.
During the first hour of the film, Scotty forms an erotic
attachment to a frosty blonde aristocrat named Madeleine (Kim Novak) he is hired to
follow. He has been told by her husband that Madeleine has threatened suicide and Scotty
earnestly tries to save her from that fate, but he is unsuccessful. When she does die, he
blames himself for her death and falls into deep depression.
A year later he sees a young woman on the street who looks like a
workingclass image of his lost love. He follows her to her hotel where she claims to
be Judy Barton, a salesgirl in a San Francisco department store. He
asks her out. Here the sadism begins. Hitchcock changes the perspective of the film from
that of Scotty to that of Judy, his new "love." But the audience quickly sees
that Scotty has no interest in Judy other than in recreating her in the image of the dead
Madeleine. Accordingly, we see from Judy's perspective his badgering need to change her
hair color, her hair style, her clothes, every detail of behavior which allows her to be
herself. No excuse can stop him from bending her towards the goal of recreating his
necrophiliac fantasy.
Eventually he discovers that she is in fact his lost love,
and that he has been the victim of a ruse to conceal a murder. Despite her relative
innocence and pleas that she has risked discovery only because she so loves him, Scotty
finds no forgiveness within himself and hounds Judy to her death.
Scotty's sadistic treatment of Judy is even more troubling when we
consider how he got involved with her as Madeline in the first place. He took the job of
following her, not for the money, but because he was intrigued by the story told about her
and wanted to solve the mystery; then he became protective of her as a lost innocent whom
he wanted to save from a suicidal fate. Finally, he became sexually obsessed with her. So
we see the Madeleine/Judy transformed in Scotty's mind from a piece in an intellectual
puzzle, to an innocent victim, to romantic love, to sexual icon, to duplicitous fraud, to
object of revenge. Yet all along it was just workingclass Judy Barton, a woman
Scotty never knew at all.
This phenomenon of a male a character setting out to
"save" a woman only to end up as her executioner is not limited to Vertigo
or to Hitchcock. We see a similar phenomenon in John Ford's The Searchers.
Ethan Edwards (John Wayne) shows us a similar transformation from savior to sadist in his
actions towards his niece Debbie (Natalie Wood). The young pre- pubescent Debbie has been
kidnaped by red Indians and the "search" starts as an attempt to rescue her, but
as the years pass and it becomes clear that she has become a woman cohabiting with an
Indian warrior, the object of the search changes from saving Debbie to exterminating her
because her purity has been polluted by sleeping with a nonwhite.
In both films, the audience recognizes that the protagonists are
being driven by factors beyond their control, or even conscious knowledge. How should we
react to films like these? Are they telling us something of value? Some say we should
treat movies as mere entertainments with no connection to real life. But this
seems a short-sighted view. The reason we are attracted to film narratives is because in
some sense we identify with the characters emotions. For instance, while I would
never commit the criminal acts perpetrated by the protagonists in A Simple Plan, it
is only because I can identify with their greed that I find the movie engrossing. On the
other hand, it would be a mistake to accept films like Vertigo and The Searchers
as accurate social reportage, proof of an incontrovertible sexism and racism which poisons
the white male psyche. This view confuses fiction with reality.
I think watching films like Vertigo and The Searchers
should convince us that, no matter how many times your Torts professor told you otherwise,
there is no such thing as the reasonable person; we are all affected by
unconscious motivations which color our social interactions. Most likely these unconscious
motivations are even stronger when sex and/or race are involved.
The New England Journal of Medicine recently published a
study which showed that when patients of different races and sexes all reported the same
symptoms to doctors, they received radically different diagnoses. The white male patients
were selected for the highest quality care. I dont think this means these doctors
were racists or sexists in any active sense of those words, but it
does appear that they unconsciously attributed greater value to white male
patients.
The Supreme Court decided a case a few years ago which made the
same point. The plaintiff was an African-American who had been convicted in Georgia of
murder and sentenced to death. He challenged his conviction on the theory that racial
motivation had influenced the white prosecutors decision to ask for the death
penalty and the white jurys decision to vote to inflict it.  The study was entirely consistent with The New
England Journal of Medicine study; a white life was just considered more valuable.
This, of course, does not mean that the prosecutors or juries in
Georgia were racist in the sense of consciously applying different standards
on the basis of race, but it does seem likely that racial stereotypes unconsciously
influenced their decision.
The Supreme Court rejected the plaintiffs study and upheld
his death sentence. One senses that the Court felt that accepting the existence of
unconscious racial motivation would somehow undermine the publics belief in the
neutrality of the law. It would be reassuring to believe that unconscious racial prejudice
doesnt affect our justice system from top to bottom just as it would be reassuring
to believe that it was mere coincidence that the unarmed man the New York police shot
forty-one times was a minority. But we do know that it is not true. The interesting
question is not whether unconscious racial sexual prejudice exists, but what we, including
the Supreme Court, are willing to do about it. Because, no matter how strident the
Courts denials, the Shadow knows.


--- layout: post title: Solving the Brachistochrone with PyTorch categories: - Programming tags: [] comments: [] ---
The brachistochrone problem is simple to explain. Imagine a bead which is free to slide on a wire. What shape of wire will get the bead from point A to point B in the shortest time? If you're wondering about the name, "brachistochrone" apparently means "shortest time" in Ancient Greek. Makes sense. The image below shows the optimal path in red, along with some slower paths in blue.
This was inspired by Declan, who was using this problem to learn about genetic algorithms. To quote him, "The genetic optimization algorithm may be the greatest concept to ever emerge from the mind of man." A bit dramatic, I think.
The problem can be solved with calculus, but I decided to approach this problem with gradient descent using PyTorch. It seemed like a natural solution, and a good way to learn about Torch. The image below shows my optimization approaching the shape of the known cycloid solution in blue.
I divided the wire into segments with heights \(y_i\) and calculated the speed at each segment using the height difference from the starting point. Then I found the length of the segments using the height differences between points. I calculated the time to reach each point, \(t_i\), by integrating the segment length divided by the speeds. Finally, I used automatic differentiation to find the derivatives \(\frac{dt_i}{dy_j}\) and used gradient descent to minimize the time to reach the final point, \(t_{last}\).
{% highlight python %} import torch import numpy as np import matplotlib.pyplot as plt from scipy import optimize starting_y = 0.25 # y position of the beginning of the wire, end always at 0 xs = torch.linspace(0,1,25) # evenly spaced points in x, from 0 to 1 ys = torch.linspace(starting_y,0,25, requires_grad=True) # start with a straight line connecting start to end # the physics def times(ys): # calculate the time to get to each point vs = torch.sqrt(starting_y - ys) # find velocity based on height dys = ys[1:] - ys[:-1] # find y difference dx = xs[1]-xs[0] # find x difference lengths = torch.sqrt(dx.pow(2) + dys.pow(2)) # calculate arc length return torch.cumsum((2./(vs[:-1]+vs[1:])) * lengths, dim=0) # integrate to find time to each point using midpoint velocity fig = plt.figure() ax = fig.add_subplot(111) # solving for the cycloid solution def func(theta): return (1.-np.cos(theta)) / (theta - np.sin(theta)) - .25 theta = optimize.brentq(func, 0.01, 2*np.pi) # parameterized cycloid solution r = 1 / (theta - np.sin(theta)) ts = np.linspace(0,2 * np.pi,100) sol_xs = r * (ts-np.sin(ts)) sol_ys = starting_y - r * (1-np.cos(ts)) ax.plot(sol_xs, sol_ys) li, = ax.plot(xs.numpy(), ys.detach().numpy()) fig.canvas.draw() plt.show(block=False) # a pause raw_input() # gradient descent lr = 0.005 # learning rate for i in range(2000): ts = times(ys) # get the times to get to each point t = ts[-1] # the time to get to the final point t.backward() # back propagate to find gradients grads = ys.grad # hold on to the gradient # update plots li.set_xdata(xs.numpy()) li.set_ydata(ys.detach().numpy()) fig.canvas.draw() # update wire heights with torch.no_grad(): ys[1:-1] -= lr * grads[1:-1] ys.grad.data.zero_() # zero gradients {% endhighlight %}


---
layout: page
title: Shweta Ramdas
---
Shweta Ramdas, Genetics, University of Pennsylvania
I am a postdoctoral researcher in the Brown lab at the University of Pennsylvania.
I teach courses on genomics and introductory bioinformatics, and my
research interests are in understanding gene regulation in human populations.
Education
-
PhD in Bioinformatics, University of Michigan-Ann Arbor (2018)
-
MA in Applied Statistics, University of Michigan-Ann Arbor (2018)
-
B.Sc (with first class honors) in Computational Biology, National University of Singapore (2010)


Search Adapters¶
To create a custom search adapter you will need to subclass the
BaseSearch
class. Then create an instance of the new class and pass
that as the search keyword argument when you create the WebSupport
object:
support = WebSupport(srcdir=srcdir,
builddir=builddir,
search=MySearch())
For more information about creating a custom search adapter, please see the
documentation of the BaseSearch
class below.
Changed in version 1.6: BaseSearch class is moved to sphinxcontrib.websupport.search from sphinx.websupport.search.
BaseSearch Methods¶
The following methods are defined in the BaseSearch class. Some methods do not need to be overridden, but some (add_document()
andhandle_query()
) must be overridden in your subclass. For a working example, look at the built-in adapter for whoosh.
-
BaseSearch.
init_indexing
(changed=[])[source]¶ Called by the builder to initialize the search indexer. changed is a list of pagenames that will be reindexed. You may want to remove these from the search index before indexing begins.
Parameters: changed – a list of pagenames that will be re-indexed
-
BaseSearch.
finish_indexing
()[source]¶ Called by the builder when writing has been completed. Use this to perform any finalization or cleanup actions after indexing is complete.
-
BaseSearch.
feed
(pagename, filename, title, doctree)[source]¶ Called by the builder to add a doctree to the index. Converts the doctree to text and passes it to
add_document()
. You probably won’t want to override this unless you need access to the doctree. Overrideadd_document()
instead.Parameters: - pagename – the name of the page to be indexed
- filename – the name of the original source file
- title – the title of the page to be indexed
- doctree – is the docutils doctree representation of the page
-
BaseSearch.
add_document
(pagename, filename, title, text)[source]¶ Called by
feed()
to add a document to the search index. This method should should do everything necessary to add a single document to the search index.pagename is name of the page being indexed. It is the combination of the source files relative path and filename, minus the extension. For example, if the source file is “ext/builders.rst”, the pagename would be “ext/builders”. This will need to be returned with search results when processing a query.
Parameters: - pagename – the name of the page being indexed
- filename – the name of the original source file
- title – the page’s title
- text – the full text of the page
-
BaseSearch.
query
(q)[source]¶ Called by the web support api to get search results. This method compiles the regular expression to be used when
extracting context
, then callshandle_query()
. You won’t want to override this unless you don’t want to use the includedextract_context()
method. Overridehandle_query()
instead.Parameters: q – the search query string.
-
BaseSearch.
handle_query
(q)[source]¶ Called by
query()
to retrieve search results for a search query q. This should return an iterable containing tuples of the following format:(<path>, <title>, <context>)
path and title are the same values that were passed to
add_document()
, and context should be a short text snippet of the text surrounding the search query in the document.The
extract_context()
method is provided as a simple way to create the context.Parameters: q – the search query


Bio: {{user.bio}}
Company: {{user.company}}
Location: {{user.location}}
Email: {{user.email}}
Member since: {{user.created_at | date: 'dd/MM/yyyy'}}
Updated: {{user.updated_at | date: 'dd/MM/yyyy'}}
{{user.followers}} Followers
{{user.public_repos}} Public repos
{{user.public_gists}} Public Gists


Employment
RESOURCES FOR FINDING EMPLOYMENT
Academic Employment opportunities at UCR may be located on the employment pages for our colleges and schools. In addition, beginning in the 2013-2014 Academic Year, select employment opportunities may be located via the campus’ Academic Personnel Recruitment System. Please visit the links below to assist you with finding academic employment opportunities.
Expand AllACADEMIC EMPLOYMENT OPPORTUNITIES AT UCR
- Open Recruitments: AP Recruit Online Recruitment System
- Cluster Hires
- Bourns College of Engineering
- College of Humanities, Arts, and Social Sciences
- College of Natural and Agricultural Sciences
- Graduate School of Education
- Library
- School of Business Administration
- School of Medicine and Biomedical Sciences Division
- University Extension
STAFF EMPLOYMENT OPPORTUNITIES AT UCR
HIGHER EDUCATION RECRUITMENT CONSORTIUM
The University of California, Riverside is a proud founding member of the Southern California Higher Education Recruitment Consortium. Visit www.hercjobs.org/southern_california for academic and staff employment opportunities at colleges and universities located throughout Southern California.
In accordance with Federal law, we are making available our Campus Security Report to all prospective employees upon request.


- Debug - Class in engine.util
-
Various utility functions for Debugging.
- Debug() - Constructor for class engine.util.Debug
-
- Delay - Class in engine.util
-
Used to delay actions by a certain amount of time.
- Delay(double) - Constructor for class engine.util.Delay
-
Creates a new Delay.
- dispose() - Method in interface engine.audio.IAudioDevice
-
Releases any resources being used.
- dispose() - Method in class engine.audio.openal.OpenALAudioDevice
-
- dispose() - Method in class engine.audio.Sound
-
Releases this object.
- dispose() - Method in class engine.audio.SoundData
-
Releases this object.
- dispose() - Method in interface engine.rendering.IDisplay
-
Releases any resources being used.
- dispose() - Method in interface engine.rendering.IRenderContext
-
Releases any resources being used.
- dispose() - Method in interface engine.rendering.IRenderDevice
-
Releases any resources being used.
- dispose() - Method in class engine.rendering.LightMap
-
Releases this object.
- dispose() - Method in class engine.rendering.opengl.OpenGLDisplay
-
- dispose() - Method in class engine.rendering.opengl.OpenGLRenderDevice
-
- dispose() - Method in class engine.rendering.RenderContext
-
- dispose() - Method in class engine.rendering.RenderTarget
-
Releases this object.
- dispose() - Method in class engine.rendering.Texture
-
Releases this object.
- Dither - Class in engine.rendering
-
Holds various functions used for Dithering.
- Dither() - Constructor for class engine.rendering.Dither
-
- DoublePair - Class in engine.util
-
Stores two doubles.
- DoublePair(double, double) - Constructor for class engine.util.DoublePair
-
Creates a new DoublePair
- drawLight(LightMap, double, double, double, double, double, double, double, double, Color) - Method in interface engine.rendering.IRenderContext
-
Draws a light to the screen.
- drawLight(LightMap, double, double, double, double, double, double, double, double, Color) - Method in class engine.rendering.RenderContext
-
- drawRect(int, int, IRenderDevice.BlendMode, double, double, double, double, double, double, double, double, Color, double) - Method in interface engine.rendering.IRenderDevice
-
Produces a rendering effect within a rectangle.
- drawRect(int, int, IRenderDevice.BlendMode, double, double, double, double, double, double, double, double, Color, double) - Method in class engine.rendering.opengl.OpenGLRenderDevice
-
- drawRect(int, IRenderDevice.BlendMode, double, double, double, double, double, double, double, double, Color, double) - Method in class engine.rendering.RenderTarget
-
Produces a rendering effect within a rectangle.
- drawSprite(SpriteSheet, int, double, double, double, double, double, boolean, boolean, Color) - Method in interface engine.rendering.IRenderContext
-
Draws a sprite.
- drawSprite(SpriteSheet, int, double, double, double, double, double, boolean, boolean, Color) - Method in class engine.rendering.RenderContext
-
- drawString(String, SpriteSheet, double, double, double, Color, double) - Method in interface engine.rendering.IRenderContext
-
Draws a string.
- drawString(String, SpriteSheet, double, double, double, Color, double) - Method in class engine.rendering.RenderContext
-


Donald Trump tweets a denial that he has any dealings with Russia, including financial ties such as loans and deals.


I am a research assistant at Functional Neuroanatomy Group. I have experience in machine learning, embedded systems, and web applications. Currently, I am working in video analysis and machine learning for neuroscience.
Medical Information management must fulfill strict specifications of data protection. Microservices implement security checks repeatedly for every service. Besides, the modularity, intrinsic in microservices, adapts to the business model of medical centers.
Create ready to use Tensorflow datasets with parallelization from functions and classes. It can also use predefined loaders, which read directly from folders.
(2019) M.Sc. Biomedical Engineering (Computational Medical Physics)
(2014) B.Sc Electronic Engineering (Control Systems)
(2018-today) Software Developer Research Assistant, Funtional Neuroanatomy - Heidelberg University
(2016-2017) Software Developer, Mojix
(2015-2016) Academic Manager, STEM Robotics Center - Unidad Educativa Colibrí
(2014-2015) Researcher/ Hardware Engineer, Chemical Research Institute-UMSA
|
Master Thesis Geometric Deep Learning methods for segmentation of medical images. Heidelberg University, 2019 . |
|
|---|---|
|
Bachelor Thesis Experimental evaluation of the reconstruction of rotations on quaternions using an Optimal Observer for a navigation algorithm based on SO(3) complementary observers. Universidad Mayor de San Andres, 2014 .[Paper] |


Constellation Constellation was an interactive exhibition created by the senior Digital Media class of 2020. The exhibition was a collaboration of 16 different creators from a number of different creative backgrounds. These backgrounds include: Film production and editing, Graphic design, Business, and Web design.


dir_colors - configuration file for dircolors(1)
The program ls(1) uses the environment variable LS_COLORS to
determine the colors in which the filenames are to be displayed. This
environment variable is usually set by a command like
eval `dircolors some_path/dir_colors`
found in a system default shell initialization file, like
/etc/profile or /etc/csh.cshrc. (See also
dircolors(1).) Usually, the file used here is /etc/DIR_COLORS
and can be overridden by a .dir_colors file in one's home
directory.
This configuration file consists of several statements, one per
line. Anything right of a hash mark (#) is treated as a comment, if the hash
mark is at the beginning of a line or is preceded by at least one
whitespace. Blank lines are ignored.
The global section of the file consists of any statement
before the first TERM statement. Any statement in the global section
of the file is considered valid for all terminal types. Following the global
section is one or more terminal-specific sections, preceded by one or
more TERM statements which specify the terminal types (as given by
the TERM environment variable) the following declarations apply to.
It is always possible to override a global declaration by a subsequent
terminal-specific one.
The following statements are recognized; case is
insignificant:
- TERM terminal-type
- Starts a terminal-specific section and specifies which terminal it applies
to. Multiple TERM statements can be used to create a section which
applies for several terminal types.
- COLOR yes|all|no|none|tty
- (Slackware only; ignored by GNU dircolors(1).) Specifies that
colorization should always be enabled (yes or all), never
enabled (no or none), or enabled only if the output is a
terminal (tty). The default is no.
- EIGHTBIT yes|no
- (Slackware only; ignored by GNU dircolors(1).) Specifies that
eight-bit ISO 8859 characters should be enabled by default. For
compatibility reasons, this can also be specified as 1 for yes or 0
for no. The default is no.
- OPTIONS options
- (Slackware only; ignored by GNU dircolors(1).) Adds command-line
options to the default ls command line. The options can be any
valid ls command-line options, and should include the leading minus
sign. Note that dircolors does not verify the validity of these
options.
- NORMAL color-sequence
- Specifies the color used for normal (nonfilename) text.
- Synonym: NORM.
- FILE color-sequence
- Specifies the color used for a regular file.
- DIR color-sequence
- Specifies the color used for directories.
- LINK color-sequence
- Specifies the color used for a symbolic link.
- Synonyms: LNK, SYMLINK.
- ORPHAN color-sequence
- Specifies the color used for an orphaned symbolic link (one which points
to a nonexistent file). If this is unspecified, ls will use the
LINK color instead.
- MISSING color-sequence
- Specifies the color used for a missing file (a nonexistent file which
nevertheless has a symbolic link pointing to it). If this is unspecified,
ls will use the FILE color instead.
- FIFO color-sequence
- Specifies the color used for a FIFO (named pipe).
- Synonym: PIPE.
- SOCK color-sequence
- Specifies the color used for a socket.
- DOOR color-sequence
- (Supported since fileutils 4.1) Specifies the color used for a door
(Solaris 2.5 and later).
- BLK color-sequence
- Specifies the color used for a block device special file.
- Synonym: BLOCK.
- CHR color-sequence
- Specifies the color used for a character device special file.
- Synonym: CHAR.
- EXEC color-sequence
- Specifies the color used for a file with the executable attribute
set.
- SUID color-sequence
- Specifies the color used for a file with the set-user-ID attribute
set.
- Synonym: SETUID.
- SGID color-sequence
- Specifies the color used for a file with the set-group-ID attribute
set.
- Synonym: SETGID.
- STICKY color-sequence
- Specifies the color used for a directory with the sticky attribute
set.
- STICKY_OTHER_WRITABLE color-sequence
- Specifies the color used for an other-writable directory with the
executable attribute set.
- Synonym: OWT.
- OTHER_WRITABLE color-sequence
- Specifies the color used for an other-writable directory without the
executable attribute set.
- Synonym: OWR.
- LEFTCODE color-sequence
- Specifies the left code for non-ISO 6429 terminals (see
below).
- Synonym: LEFT.
- RIGHTCODE color-sequence
- Specifies the right code for non-ISO 6429 terminals (see
below).
- Synonym: RIGHT.
- ENDCODE color-sequence
- Specifies the end code for non-ISO 6429 terminals (see
below).
- Synonym: END.
- *extension color-sequence
- Specifies the color used for any file that ends in extension.
- .extension color-sequence
- Same as *.extension. Specifies the color used for any file
that ends in .extension. Note that the period is included in the
extension, which makes it impossible to specify an extension not starting
with a period, such as ~ for emacs backup files. This form
should be considered obsolete.
Most color-capable ASCII terminals today use ISO 6429 (ANSI) color sequences,
and many common terminals without color capability, including xterm and
the widely used and cloned DEC VT100, will recognize ISO 6429 color codes and
harmlessly eliminate them from the output or emulate them. ls uses ISO
6429 codes by default, assuming colorization is enabled.
ISO 6429 color sequences are composed of sequences of numbers
separated by semicolons. The most common codes are:
| 0 |
to restore default color |
| 1 |
for brighter colors |
| 4 |
for underlined text |
| 5 |
for flashing text |
| 30 |
for black foreground |
| 31 |
for red foreground |
| 32 |
for green foreground |
| 33 |
for yellow (or brown) foreground |
| 34 |
for blue foreground |
| 35 |
for purple foreground |
| 36 |
for cyan foreground |
| 37 |
for white (or gray) foreground |
| 40 |
for black background |
| 41 |
for red background |
| 42 |
for green background |
| 43 |
for yellow (or brown) background |
| 44 |
for blue background |
| 45 |
for purple background |
| 46 |
for cyan background |
| 47 |
for white (or gray) background |
Not all commands will work on all systems or display devices.
ls uses the following defaults:
| NORMAL |
0 |
Normal (nonfilename) text |
| FILE |
0 |
Regular file |
| DIR |
32 |
Directory |
| LINK |
36 |
Symbolic link |
| ORPHAN |
undefined |
Orphaned symbolic link |
| MISSING |
undefined |
Missing file |
| FIFO |
31 |
Named pipe (FIFO) |
| SOCK |
33 |
Socket |
| BLK |
44;37 |
Block device |
| CHR |
44;37 |
Character device |
| EXEC |
35 |
Executable file |
A few terminal programs do not recognize the default properly. If
all text gets colorized after you do a directory listing, change the
NORMAL and FILE codes to the numerical codes for your normal
foreground and background colors.
If you have a color-capable (or otherwise highlighting) terminal (or printer!)
which uses a different set of codes, you can still generate a suitable setup.
To do so, you will have to use the LEFTCODE, RIGHTCODE, and
ENDCODE definitions.
When writing out a filename, ls generates the following
output sequence: LEFTCODE typecode RIGHTCODE
filename ENDCODE, where the typecode is the color
sequence that depends on the type or name of file. If the ENDCODE is
undefined, the sequence LEFTCODE NORMAL RIGHTCODE will be used
instead. The purpose of the left- and rightcodes is merely to reduce the
amount of typing necessary (and to hide ugly escape codes away from the
user). If they are not appropriate for your terminal, you can eliminate them
by specifying the respective keyword on a line by itself.
NOTE: If the ENDCODE is defined in the global
section of the setup file, it cannot be undefined in a
terminal-specific section of the file. This means any NORMAL
definition will have no effect. A different ENDCODE can, however, be
specified, which would have the same effect.
To specify control- or blank characters in the color sequences or filename
extensions, either C-style \-escaped notation or stty-style ^-notation
can be used. The C-style notation includes the following characters:
| \a |
Bell (ASCII 7) |
| \b |
Backspace (ASCII 8) |
| \e |
Escape (ASCII 27) |
| \f |
Form feed (ASCII 12) |
| \n |
Newline (ASCII 10) |
| \r |
Carriage Return (ASCII 13) |
| \t |
Tab (ASCII 9) |
| \v |
Vertical Tab (ASCII 11) |
| \? |
Delete (ASCII 127) |
| \nnn |
Any character (octal notation) |
| \xnnn |
Any character (hexadecimal notation) |
| \_ |
Space |
| \\ |
Backslash (\) |
| \^ |
Caret (^) |
| \# |
Hash mark (#) |
Note that escapes are necessary to enter a space, backslash,
caret, or any control character anywhere in the string, as well as a hash
mark as the first character.
- /etc/DIR_COLORS
- System-wide configuration file.
- ~/.dir_colors
- Per-user configuration file.
This page describes the dir_colors file format as used in
the fileutils-4.1 package; other versions may differ slightly.
The default LEFTCODE and RIGHTCODE definitions, which are used by
ISO 6429 terminals are:
The default ENDCODE is undefined.
dircolors(1), ls(1), stty(1), xterm(1)
This page is part of release 5.05 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the latest
version of this page, can be found at https://www.kernel.org/doc/man-pages/.


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jsUtils.isEmail()
Checks if the variable looks like an email address.
jsUtils.isEmail( str )
str - any javascript variable
Returns true if the variable looks like a valid email address or false otherwise.
The input variable is treated as a string in the format of an email address. This string is tested to look like a valid eamil address
it returns true if it does not look like an email, it returns false. The following regex is used:
/^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+.[a-zA-Z]{2,4}$/
Example
<!DOCTYPE html>
<html>
<head>
<script src="system/libs/jsUtils.js" type="text/javascript"></script>
<script type="text/javascript">
window.onload = function() {
alert(jsUtils.isEmail('sometext'));
alert(jsUtils.isTime('sometext@1'));
alert(jsUtils.isTime('name@domain.com'));
}
</script>
<body>
</body>
</html>
See Also