Bunyan is a simple and fast JSON logging library for node.js services:
var bunyan = require('bunyan');
var log = bunyan.createLogger({name: "myapp"});
log.info("hi");
and a bunyan
CLI tool for nicely viewing those logs:
Manifesto: Server logs should be structured. JSON's a good format. Let's do
that. A log record is one line of JSON.stringify
'd output. Let's also
specify some common names for the requisite and common fields for a log
record (see below).
Also: log4j is way more than you need.
Current Status
Solid core functionality is there. Joyent is using this for a number of production services. Bunyan supports node 0.6 and greater. Follow @trentmick for updates to Bunyan.
There is an email discussion list<EMAIL_ADDRESS>also as a forum in the browser.
Installation
npm install bunyan
Tip: The bunyan
CLI tool is written to be compatible (within reason) with
all versions of Bunyan logs. Therefore you might want to npm install -g bunyan
to get the bunyan CLI on your PATH, then use local bunyan installs for
node.js library usage of bunyan in your apps.
Features
- elegant log method API
- extensible streams system for controlling where log records go (to a stream, to a file, log file rotation, etc.)
-
bunyan
CLI for pretty-printing and filtering of Bunyan logs - simple include of log call source location (file, line, function) with
src: true
- light-weight specialization of Logger instances with
log.child
- custom rendering of logged objects with "serializers"
- Runtime log snooping via Dtrace support
Introduction
Like most logging libraries you create a Logger instance and call methods named after the logging levels:
$ cat hi.js
var bunyan = require('bunyan');
var log = bunyan.createLogger({name: 'myapp'});
log.info('hi');
log.warn({lang: 'fr'}, 'au revoir');
All loggers must provide a "name". This is somewhat akin to the log4j logger "name", but Bunyan doesn't do hierarchical logger names.
Bunyan log records are JSON. A few fields are added automatically: "pid", "hostname", "time" and "v".
$ node hi.js
{"name":"myapp","hostname":"banana.local","pid":40161,"level":30,"msg":"hi","time":"2013-01-04T18:46:23.851Z","v":0}
{"name":"myapp","hostname":"banana.local","pid":40161,"level":40,"lang":"fr","msg":"au revoir","time":"2013-01-04T18:46:23.853Z","v":0}
Log Method API
The example above shows two different ways to call log.info(...)
. The
full API is:
log.info(); // Returns a boolean: is the "info" level enabled?
// This is equivalent to `log.isInfoEnabled()` or
// `log.isEnabledFor(INFO)` in log4j.
log.info('hi'); // Log a simple string message.
log.info('hi %s', bob, anotherVar); // Uses `util.format` for msg formatting.
log.info({foo: 'bar'}, 'hi');
// Adds "foo" field to log record. You can add any number
// of additional fields here.
log.info(err); // Special case to log an `Error` instance to the record.
// This adds an "err" field with exception details
// (including the stack) and sets "msg" to the exception
// message.
log.info(err, 'more on this: %s', more);
// ... or you can specify the "msg".
Note that this implies you cannot pass any object as the first argument
to log it. IOW, log.info(mywidget)
may not be what you expect. Instead
of a string representation of mywidget
that other logging libraries may
give you, Bunyan will try to JSON-ify your object. It is a Bunyan best
practice to always give a field name to included objects, e.g.:
log.info({widget: mywidget}, ...)
This will dove-tail with Bunyan serializer support, discussed later.
The same goes for all of Bunyan's log levels: log.trace
, log.debug
,
log.info
, log.warn
, and log.fatal
. See the levels section
below for details and suggestions.
CLI Usage
Bunyan log output is a stream of JSON objects. This is great for processing,
but not for reading directly. A bunyan
tool is provided for
pretty-printing bunyan logs and for filtering (e.g.
| bunyan -c 'this.foo == "bar"'
). Using our example above:
$ node hi.js | ./bin/bunyan
[2013-01-04T19:01:18.241Z] INFO: myapp/40208 on banana.local: hi
[2013-01-04T19:01:18.242Z] WARN: myapp/40208 on banana.local: au revoir (lang=fr)
See the screenshot above for an example of the default coloring of rendered
log output. That example also shows the nice formatting automatically done for
some well-known log record fields (e.g. req
is formatted like an HTTP request,
res
like an HTTP response, err
like an error stack trace).
One interesting feature is filtering of log content, which can be useful for digging through large log files or for analysis. We can filter only records above a certain level:
$ node hi.js | bunyan -l warn
[2013-01-04T19:08:37.182Z] WARN: myapp/40353 on banana.local: au revoir (lang=fr)
Or filter on the JSON fields in the records (e.g. only showing the French records in our contrived example):
$ node hi.js | bunyan -c 'this.lang == "fr"'
[2013-01-04T19:08:26.411Z] WARN: myapp/40342 on banana.local: au revoir (lang=fr)
See bunyan --help
for other facilities.
Streams Introduction
By default, log output is to stdout and at the "info" level. Explicitly that looks like:
var log = bunyan.createLogger({
name: 'myapp',
stream: process.stdout,
level: 'info'
});
That is an abbreviated form for a single stream. You can define multiple streams at different levels.
var log = bunyan.createLogger({
name: 'myapp',
streams: [
{
level: 'info',
stream: process.stdout, // log INFO and above to stdout
},
{
level: 'error',
path: '/var/log/myapp-error.log' // log ERROR and above to a file
}
]
});
More on streams in the Streams section below.
log.child
Bunyan has a concept of a child logger to specialize a logger for a
sub-component of your application, i.e. to create a new logger with
additional bound fields that will be included in its log records. A child
logger is created with log.child(...)
.
In the following example, logging on a "Wuzzle" instance's this.log
will
be exactly as on the parent logger with the addition of the widget_type
field:
var bunyan = require('bunyan');
var log = bunyan.createLogger({name: 'myapp'});
function Wuzzle(options) {
this.log = options.log.child({widget_type: 'wuzzle'});
this.log.info('creating a wuzzle')
}
Wuzzle.prototype.woos = function () {
this.log.warn('This wuzzle is woosey.')
}
log.info('start');
var wuzzle = new Wuzzle({log: log});
wuzzle.woos();
log.info('done');
Running that looks like (raw):
$ node myapp.js
{"name":"myapp","hostname":"myhost","pid":34572,"level":30,"msg":"start","time":"2013-01-04T07:47:25.814Z","v":0}
{"name":"myapp","hostname":"myhost","pid":34572,"widget_type":"wuzzle","level":30,"msg":"creating a wuzzle","time":"2013-01-04T07:47:25.815Z","v":0}
{"name":"myapp","hostname":"myhost","pid":34572,"widget_type":"wuzzle","level":40,"msg":"This wuzzle is woosey.","time":"2013-01-04T07:47:25.815Z","v":0}
{"name":"myapp","hostname":"myhost","pid":34572,"level":30,"msg":"done","time":"2013-01-04T07:47:25.816Z","v":0}
And with the bunyan
CLI (using the "short" output mode):
$ node myapp.js | bunyan -o short
07:46:42.707Z INFO myapp: start
07:46:42.709Z INFO myapp: creating a wuzzle (widget_type=wuzzle)
07:46:42.709Z WARN myapp: This wuzzle is woosey. (widget_type=wuzzle)
07:46:42.709Z INFO myapp: done
A more practical example is in the
node-restify web framework.
Restify uses Bunyan for its logging. One feature of its integration, is that
if server.use(restify.requestLogger())
is used, each restify request handler
includes a req.log
logger that is:
log.child({req_id: <unique request id>}, true)
Apps using restify can then use req.log
and have all such log records
include the unique request id (as "req_id"). Handy.
Serializers
Bunyan has a concept of "serializers" to produce a JSON-able object from a JavaScript object, so you can easily do the following:
log.info({req: <request object>}, 'something about handling this request');
Serializers is a mapping of log record field name, "req" in this example, to a serializer function. That looks like this:
function reqSerializer(req) {
return {
method: req.method,
url: req.url,
headers: req.headers
}
}
var log = bunyan.createLogger({
name: 'myapp',
serializers: {
req: reqSerializer
}
});
Or this:
var log = bunyan.createLogger({
name: 'myapp',
serializers: {req: bunyan.stdSerializers.req}
});
because Buyan includes a small set of standard serializers. To use all the standard serializers you can use:
var log = bunyan.createLogger({
...
serializers: bunyan.stdSerializers
});
Note: Your own serializers should never throw, otherwise you'll get an ugly message on stderr from Bunyan (along with the traceback) and the field in your log record will be replaced with a short error message.
src
The source file, line and function of the log call site can be added to
log records by using the src: true
config option:
var log = bunyan.createLogger({src: true, ...});
This adds the call source info with the 'src' field, like this:
{
"name": "src-example",
"hostname": "banana.local",
"pid": 123,
"component": "wuzzle",
"level": 4,
"msg": "This wuzzle is woosey.",
"time": "2012-02-06T04:19:35.605Z",
"src": {
"file": "/Users/trentm/tm/node-bunyan/examples/src.js",
"line": 20,
"func": "Wuzzle.woos"
},
"v": 0
}
WARNING: Determining the call source info is slow. Never use this option in production.
Levels
The log levels in bunyan are as follows. The level descriptions are best practice opinions.
- "fatal" (60): The service/app is going to stop or become unusable now. An operator should definitely look into this soon.
- "error" (50): Fatal for a particular request, but the service/app continues servicing other requests. An operator should look at this soon(ish).
- "warn" (40): A note on something that should probably be looked at by an operator eventually.
- "info" (30): Detail on regular operation.
- "debug" (20): Anything else, i.e. too verbose to be included in "info" level.
- "trace" (10): Logging from external libraries used by your app or very detailed application logging.
Suggestions: Use "debug" sparingly. Information that will be useful to debug errors post mortem should usually be included in "info" messages if it's generally relevant or else with the corresponding "error" event. Don't rely on spewing mostly irrelevant debug messages all the time and sifting through them when an error occurs.
Integers are used for the actual level values (10 for "trace", ..., 60 for "fatal") and constants are defined for the (bunyan.TRACE ... bunyan.DEBUG). The lowercase level names are aliases supported in the API.
Here is the API for changing levels in an existing logger:
log.level() -> INFO // gets current level (lowest level of all streams)
log.level(INFO) // set all streams to level INFO
log.level("info") // set all streams to level INFO
log.levels() -> [DEBUG, INFO] // get array of levels of all streams
log.levels(0) -> DEBUG // get level of stream at index 0
log.levels("foo") // get level of stream with name "foo"
log.levels(0, INFO) // set level of stream 0 to INFO
log.levels(0, "info") // can use "info" et al aliases
log.levels("foo", WARN) // set stream named "foo" to WARN
Log Record Fields
This section will describe rules for the Bunyan log format: field names,
field meanings, required fields, etc. However, a Bunyan library doesn't
strictly enforce all these rules while records are being emitted. For example,
Bunyan will add a time
field with the correct format to your log records,
but you can specify your own. It is the caller's responsibility to specify
the appropriate format.
The reason for the above leniency is because IMO logging a message should
never break your app. This leads to this rule of logging: a thrown
exception from log.info(...)
or equivalent (other than for calling with the
incorrect signature) is always a bug in Bunyan.
A typical Bunyan log record looks like this:
{"name":"myserver","hostname":"banana.local","pid":123,"req":{"method":"GET","url":"/path?q=1#anchor","headers":{"x-hi":"Mom","connection":"close"}},"level":3,"msg":"start request","time":"2012-02-03T19:02:46.178Z","v":0}
Pretty-printed:
{
"name": "myserver",
"hostname": "banana.local",
"pid": 123,
"req": {
"method": "GET",
"url": "/path?q=1#anchor",
"headers": {
"x-hi": "Mom",
"connection": "close"
},
"remoteAddress": "<IP_ADDRESS>",
"remotePort": 51244
},
"level": 3,
"msg": "start request",
"time": "2012-02-03T19:02:57.534Z",
"v": 0
}
Core fields:
-
v
: Required. Integer. Added by Bunyan. Cannot be overriden. This is the Bunyan log format version (require('bunyan').LOG_VERSION
). The log version is a single integer.0
is until I release a version "1.0.0" of node-bunyan. Thereafter, starting with1
, this will be incremented if there is any backward incompatible change to the log record format. Details will be in "CHANGES.md" (the change log). -
level
: Required. Integer. Added by Bunyan. Cannot be overriden. See the "Levels" section. -
name
: Required. String. Provided at Logger creation. You must specify a name for your logger when creating it. Typically this is the name of the service/app using Bunyan for logging. -
hostname
: Required. String. Provided or determined at Logger creation. You can specify your hostname at Logger creation or it will be retrieved vios.hostname()
. -
pid
: Required. Integer. Filled in automatically at Logger creation. -
time
: Required. String. Added by Bunyan. Can be overriden. The date and time of the event in ISO 8601 Extended Format format and in UTC, as fromDate.toISOString()
. -
msg
: Required. String. Everylog.debug(...)
et al call must provide a log message. -
src
: Optional. Object giving log call source info. This is added automatically by Bunyan if the "src: true" config option is given to the Logger. Never use in production as this is really slow.
Go ahead and add more fields, and nested ones are fine (and recommended) as well. This is why we're using JSON. Some suggestions and best practices follow (feedback from actual users welcome).
Recommended/Best Practice Fields:
-
err
: Object. A caught JS exception. Log that thing withlog.info(err)
to get:... "err": { "message": "boom", "name": "TypeError", "stack": "TypeError: boom\n at Object.<anonymous> ..." }, "msg": "boom", ...
Or use the
bunyan.stdSerializers.err
serializer in your Logger and do thislog.error({err: err}, "oops")
. See "examples/err.js". req_id
: String. A request identifier. Including this field in all logging tied to handling a particular request to your server is strongly suggested. This allows post analysis of logs to easily collate all related logging for a request. This really shines when you have a SOA with multiple services and you carry a single request ID from the top API down through all APIs (as node-restify facilitates with its 'Request-Id' header).-
req
: An HTTP server request. Bunyan providesbunyan.stdSerializers.req
to serialize a request with a suggested set of keys. Example:{ "method": "GET", "url": "/path?q=1#anchor", "headers": { "x-hi": "Mom", "connection": "close" }, "remoteAddress": "<IP_ADDRESS>", "remotePort": 51244 }
-
res
: An HTTP server response. Bunyan providesbunyan.stdSerializers.res
to serialize a response with a suggested set of keys. Example:{ "statusCode": 200, "header": "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nConnection: keep-alive\r\nTransfer-Encoding: chunked\r\n\r\n" }
Other fields to consider:
-
req.username
: Authenticated user (or for a 401, the user attempting to auth). - Some mechanism to calculate response latency. "restify" users will have
a "X-Response-Time" header. A
latency
custom field would be fine. -
req.body
: If you know that request bodies are small (common in APIs, for example), then logging the request body is good.
Streams
A "stream" is Bunyan's name for an output for log messages (the equivalent to a log4j Appender). Ultimately Bunyan uses a Writable Stream interface, but there are some additional attributes used to create and manage the stream. A Bunyan Logger instance has one or more streams. In general streams are specified with the "streams" option:
var bunyan = require('bunyan');
var log = bunyan.createLogger({
name: "foo",
streams: [
{
stream: process.stderr,
level: "debug"
},
...
]
});
For convenience, if there is only one stream, it can specified with the
"stream" and "level" options (internally converted to a Logger.streams
).
var log = bunyan.createLogger({
name: "foo",
stream: process.stderr,
level: "debug"
});
Note that "file" streams do not support this shortcut (partly for historical reasons and partly to not make it difficult to add a literal "path" field on log records).
If neither "streams" nor "stream" are specified, the default is a stream of
type "stream" emitting to process.stdout
at the "info" level.
stream errors
Bunyan re-emits error events from the created WriteStream
. So you can
do this:
var log = bunyan.createLogger({name: 'mylog', streams: [{path: LOG_PATH}]});
log.on('error', function (err, stream) {
// Handle stream write or create error here.
});
stream type: stream
A type === 'stream'
is a plain ol' node.js Writable
Stream. A
"stream" (the writeable stream) field is required. E.g.: process.stdout
,
process.stderr
.
var log = bunyan.createLogger({
name: 'foo',
streams: [{
stream: process.stderr
// `type: 'stream'` is implied
}]
});
| Field | Required? | Default | Description |
|---|---|---|---|
| stream | Yes | - | A "Writable Stream", e.g. a std handle or an open file write stream. |
| type | No | n/a | `type == 'stream'` is implied if the `stream` field is given. |
| level | No | info | The level at which logging to this stream is enabled. If not specified it defaults to "info". If specified this can be one of the level strings ("trace", "debug", ...) or constants (`bunyan.TRACE`, `bunyan.DEBUG`, ...). |
| name | No | - | A name for this stream. This may be useful for usage of `log.level(NAME, LEVEL)`. See the [Levels section](#levels) for details. A stream "name" isn't used for anything else. |
stream type: file
A type === 'file'
stream requires a "path" field. Bunyan will open this
file for appending. E.g.:
var log = bunyan.createLogger({
name: 'foo',
streams: [{
path: '/var/log/foo.log',
// `type: 'file'` is implied
}]
});
| Field | Required? | Default | Description |
|---|---|---|---|
| path | Yes | - | A file path to which to log. |
| type | No | n/a | `type == 'file'` is implied if the `path` field is given. |
| level | No | info | The level at which logging to this stream is enabled. If not specified it defaults to "info". If specified this can be one of the level strings ("trace", "debug", ...) or constants (`bunyan.TRACE`, `bunyan.DEBUG`, ...). |
| name | No | - | A name for this stream. This may be useful for usage of `log.level(NAME, LEVEL)`. See the [Levels section](#levels) for details. A stream "name" isn't used for anything else. |
stream type: rotating-file
A type === 'rotating-file'
is a file stream that handles file automatic
rotation.
var log = bunyan.createLogger({
name: 'foo',
streams: [{
type: 'rotating-file',
path: '/var/log/foo.log',
period: '1d', // daily rotation
count: 3 // keep 3 back copies
}]
});
This will rotate '/var/log/foo.log' every day (at midnight) to:
/var/log/foo.log.0 # yesterday
/var/log/foo.log.1 # 1 day ago
/var/log/foo.log.2 # 2 days ago
Currently, there is no support for providing a template for the rotated files, or for rotating when the log reaches a threshold size.
| Field | Required? | Default | Description |
|---|---|---|---|
| type | Yes | - | "rotating-file" |
| path | Yes | - | A file path to which to log. Rotated files will be "$path.0", "$path.1", ... |
| period | No | 1d | The period at which to rotate. This is a string of the format "$number$scope" where "$scope" is one of "h" (hours), "d" (days), "w" (weeks), "m" (months), "y" (years). Or one of the following names can be used "hourly" (means 1h), "daily" (1d), "weekly" (1w), "monthly" (1m), "yearly" (1y). Rotation is done at the start of the scope: top of the hour (h), midnight (d), start of Sunday (w), start of the 1st of the month (m), start of Jan 1st (y). |
| count | No | 10 | The number of rotated files to keep. |
| level | No | info | The level at which logging to this stream is enabled. If not specified it defaults to "info". If specified this can be one of the level strings ("trace", "debug", ...) or constants (`bunyan.TRACE`, `bunyan.DEBUG`, ...). |
| name | No | - | A name for this stream. This may be useful for usage of `log.level(NAME, LEVEL)`. See the [Levels section](#levels) for details. A stream "name" isn't used for anything else. |
Note on log rotation: Often you may be using external log rotation utilities
like logrotate
on Linux or logadm
on SmartOS/Illumos. In those cases, unless
your are ensuring "copy and truncate" sematics (via copytruncate
with
logrotate or -c
with logadm) then the fd for your 'file' stream will change.
You can tell bunyan to reopen the file stream with code like this in your
app:
var log = bunyan.createLogger(...);
...
process.on('SIGUSR2', function () {
log.reopenFileStreams();
});
where you'd configure your log rotation to send SIGUSR2 (or some other signal)
to your process. Any other mechanism to signal your app to run
log.reopenFileStreams()
would work as well.
stream type: raw
-
raw
: Similar to a "stream" writeable stream, except that the write method is given raw log record Objects instead of a JSON-stringified string. This can be useful for hooking on further processing to all Bunyan logging: pushing to an external service, a RingBuffer (see below), etc.
raw
+ RingBuffer Stream
Bunyan comes with a special stream called a RingBuffer which keeps the last N records in memory and does not write the data anywhere else. One common strategy is to log 'info' and higher to a normal log file but log all records (including 'trace') to a ringbuffer that you can access via a debugger, or your own HTTP interface, or a post-mortem facility like MDB or node-panic.
To use a RingBuffer:
/* Create a ring buffer that stores the last 100 records. */
var bunyan = require('bunyan');
var ringbuffer = new bunyan.RingBuffer({ limit: 100 });
var log = bunyan.createLogger({
name: 'foo',
streams: [
{
level: 'info',
stream: process.stdout
},
{
level: 'trace',
type: 'raw', // use 'raw' to get raw log record objects
stream: ringbuffer
}
]
});
log.info('hello world');
console.log(ringbuffer.records);
This example emits:
[ { name: 'foo',
hostname: '912d2b29',
pid: 50346,
level: 30,
msg: 'hello world',
time: '2012-06-19T21:34:19.906Z',
v: 0 } ]
third-party streams
syslog: mcavage/node-bunyan-syslog provides support for directing bunyan logging to a syslog server.
TODO: eventually https://github.com/trentm/node-bunyan-winston
Runtime log snooping via DTrace
On systems that support DTrace (e.g., MacOS, FreeBSD, illumos derivatives
like SmartOS and OmniOS), Bunyan will create a DTrace provider (bunyan
)
that makes available the following probes:
log-trace
log-debug
log-info
log-warn
log-error
log-fatal
Each of these probes has a single argument: the string that would be written to the log. Note that when a probe is enabled, it will fire whenever the corresponding function is called, even if the level of the log message is less than that of any stream.
DTrace examples
Trace all log messages coming from any Bunyan module on the system.
(The -x strsize=4k
is to raise dtrace's default 256 byte buffer size
because log messages are longer than typical dtrace probes.)
dtrace -x strsize=4k -qn 'bunyan*:::log-*{printf("%d: %s: %s", pid, probefunc, copyinstr(arg0))}'
Trace all log messages coming from the "wuzzle" component:
dtrace -x strsize=4k -qn 'bunyan*:::log-*/strstr(this->str = copyinstr(arg0), "\"component\":\"wuzzle\"") != NULL/{printf("%s", this->str)}'
Aggregate debug messages from process 1234, by message:
dtrace -x strsize=4k -n 'bunyan1234:::log-debug{@[copyinstr(arg0)] = count()}'
Have the bunyan CLI pretty-print the traced logs:
dtrace -x strsize=4k -qn 'bunyan1234:::log-*{printf("%s", copyinstr(arg0))}' | bunyan
A convenience handle has been made for this:
bunyan -p 1234
On systems that support the
jstack
action
via a node.js helper, get a stack backtrace for any debug message that
includes the string "danger!":
dtrace -x strsize=4k -qn 'log-debug/strstr(copyinstr(arg0), "danger!") != NULL/{printf("\n%s", copyinstr(arg0)); jstack()}'
Output of the above might be:
{"name":"foo","hostname":"763bf293-d65c-42d5-872b-4abe25d5c4c7.local","pid":12747,"level":20,"msg":"danger!","time":"2012-10-30T18:28:57.115Z","v":0}
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<< internal code >>
(anon) as (anon) at /root/node-bunyan/lib/bunyan.js position 40484
<< adaptor >>
(anon) as doit at /root/my-prog.js position 360
(anon) as list.ontimeout at timers.js position 4960
<< adaptor >>
<< internal >>
<< entry >>
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node`_ZN4node12MakeCallbackEN2v86HandleINS0_6ObjectEEENS1_INS0_6StringEEEiPNS1_INS0_5ValueEEE+0x66
node`_ZN4node9TimerWrap9OnTimeoutEP10uv_timer_si+0x63
node`uv__run_timers+0x66
node`uv__run+0x1b
node`uv_run+0x17
node`_ZN4node5StartEiPPc+0x1d0
node`main+0x1b
node`_start+0x83
node`0x87e2010
DTraceProviderBindings.node`usdt_fire_probe+0x32
DTraceProviderBindings.node`_ZN4node11DTraceProbe5_fireEN2v85LocalINS1_5ValueEEE+0x32d
DTraceProviderBindings.node`_ZN4node11DTraceProbe4FireERKN2v89ArgumentsE+0x77
<< internal code >>
(anon) as (anon) at /root/node-bunyan/lib/bunyan.js position 40484
<< adaptor >>
(anon) as doit at /root/my-prog.js position 360
(anon) as list.ontimeout at timers.js position 4960
<< adaptor >>
<< internal >>
<< entry >>
node`_ZN2v88internalL6InvokeEbNS0_6HandleINS0_10JSFunctionEEENS1_INS0_6ObjectEEEiPS5_Pb+0x101
node`_ZN2v88internal9Execution4CallENS0_6HandleINS0_6ObjectEEES4_iPS4_Pbb+0xcb
node`_ZN2v88Function4CallENS_6HandleINS_6ObjectEEEiPNS1_INS_5ValueEEE+0xf0
node`_ZN4node12MakeCallbackEN2v86HandleINS0_6ObjectEEENS1_INS0_8FunctionEEEiPNS1_INS0_5ValueEEE+0x11f
node`_ZN4node12MakeCallbackEN2v86HandleINS0_6ObjectEEENS1_INS0_6StringEEEiPNS1_INS0_5ValueEEE+0x66
node`_ZN4node9TimerWrap9OnTimeoutEP10uv_timer_si+0x63
node`uv__run_timers+0x66
node`uv__run+0x1b
node`uv_run+0x17
node`_ZN4node5StartEiPPc+0x1d0
node`main+0x1b
node`_start+0x83
Versioning
The scheme I follow is most succintly described by the bootstrap guys here.
tl;dr: All versions are <major>.<minor>.<patch>
which will be incremented for
breaking backward compat and major reworks, new features without breaking
change, and bug fixes, respectively.
License
MIT. See "LICENSE.txt".
See Also
- Bunyan syslog support: https://github.com/mcavage/node-bunyan-syslog.
- Bunyan + Graylog2: https://github.com/mhart/gelf-stream.
- An example of a Bunyan shim to the Winston logging system: https://github.com/trentm/node-bunyan-winston.
- Bunyan for Bash.
- TODO:
RequestCaptureStream
example from restify.


{% extends "layout.html" %} {% block title %}Mobile Unit | {% endblock %} {% block body %} Mobile Units To request WCPR at your event, click the following button and fill out the Mobile Unit Request Form. Request for Mobile Unit Mobile Unit FAQs {% for question in faq %} {{ question.q|safe }} {{ question.a|safe }} {% endfor %} Mobile Unit Documents Find more information about Mobile Units in the following documents: Mobile Unit Contract Mobile Units Packages & Prices {% endblock %}
To request WCPR at your event, click the following button and fill out the Mobile Unit Request Form.
Request for Mobile Unit
{{ question.a|safe }}
Find more information about Mobile Units in the following documents:


{% extends "layouts/modal.html" %} {% load i18n %} {% load crispy_forms_tags %} {% block title %}{% trans "New Project" %} | {{ block.super }}{% endblock %} {% block inner %}
{% blocktrans %}Project is the final workspace for you, and we suggest that you should choose a good name for it. The project will be create after some minutes, how long will take is depended on the code size of your project.{% endblocktrans %}


MDMON
Section: Maintenance Commands (8)Updated:
Index Return to Main Contents
NAME
mdmon - monitor MD external metadata arraysSYNOPSIS
mdmon [--all] [--takeover] CONTAINER
OVERVIEW
The 2.6.27 kernel brings the ability to support external metadata arrays. External metadata implies that user space handles all updates to the metadata. The kernel's responsibility is to notify user space when a "metadata event" occurs, like disk failures and clean-to-dirty transitions. The kernel, in important cases, waits for user space to take action on these notifications.DESCRIPTION
Metadata updates:
To service metadata update requests a daemon, mdmon, is introduced. Mdmon is tasked with polling the sysfs namespace looking for changes in array_state, sync_action, and per disk state attributes. When a change is detected it calls a per metadata type handler to make modifications to the metadata. The following actions are taken:-
- array_state - inactive
- Clear the dirty bit for the volume and let the array be stopped
- array_state - write pending
- Set the dirty bit for the array and then set array_state to active. Writes are blocked until userspace writes active.
- array_state - active-idle
- The safe mode timer has expired so set array state to clean to block writes to the array
- array_state - clean
- Clear the dirty bit for the volume
- array_state - read-only
-
This is the initial state that all arrays start at.
mdmon
takes one of the three actions:
-
- 1/
- Transition the array to read-auto keeping the dirty bit clear if the metadata handler determines that the array does not need resyncing or other modification
- 2/
- Transition the array to active if the metadata handler determines a resync or some other manipulation is necessary
- 3/
- Leave the array read-only if the volume is marked to not be monitored; for example, the metadata version has been set to "external:-dev/md127" instead of "external:/dev/md127"
-
- sync_action - resync-to-idle
- Notify the metadata handler that a resync may have completed. If a resync process is idled before it completes this event allows the metadata handler to checkpoint resync.
- sync_action - recover-to-idle
- A spare may have completed rebuilding so tell the metadata handler about the state of each disk. This is the metadata handler's opportunity to clear any "out-of-sync" bits and clear the volume's degraded status. If a recovery process is idled before it completes this event allows the metadata handler to checkpoint recovery.
- <disk>/state - faulty
- A disk failure kicks off a series of events. First, notify the metadata handler that a disk has failed, and then notify the kernel that it can unblock writes that were dependent on this disk. After unblocking the kernel this disk is set to be removed+ from the member array. Finally the disk is marked failed in all other member arrays in the container.
- + Note This behavior differs slightly from native MD arrays where removal is reserved for a mdadm --remove event. In the external metadata case the container holds the final reference on a block device and a mdadm --remove <container> <victim> call is still required.
Containers:
External metadata formats, like DDF, differ from the native MD metadata formats in that they define a set of disks and a series of sub-arrays within those disks. MD metadata in comparison defines a 1:1 relationship between a set of block devices and a raid array. For example to create 2 arrays at different raid levels on a single set of disks, MD metadata requires the disks be partitioned and then each array can be created with a subset of those partitions. The supported external formats perform this disk carving internally. Container devices simply hold references to all member disks and allow tools like mdmon to determine which active arrays belong to which container. Some array management commands like disk removal and disk add are now only valid at the container level. Attempts to perform these actions on member arrays are blocked with error messages like:-
"mdadm: Cannot remove disks from a 'member' array, perform this
operation on the parent container"
Containers are identified in /proc/mdstat with a metadata version string
"external:<metadata name>". Member devices are identified by
"external:/<container device>/<member index>", or "external:-<container
device>/<member index>" if the array is to remain readonly.
OPTIONS
- CONTAINER
- The container device to monitor. It can be a full path like /dev/md/container, or a simple md device name like md127.
- --takeover
- This instructs mdmon to replace any active mdmon which is currently monitoring the array. This is primarily used late in the boot process to replace any mdmon which was started from an initramfs before the root filesystem was mounted. This avoids holding a reference on that initramfs indefinitely and ensures that the pid and sock files used to communicate with mdmon are in a standard place.
- --all
-
This tells mdmon to find any active containers and start monitoring
each of them if appropriate. This is normally used with
--takeover
late in the boot sequence.
A separate
mdmon
process is started for each container as the
--all
argument is over-written with the name of the container. To allow for
containers with names longer than 5 characters, this argument can be
arbitrarily extended, e.g. to
--all-active-arrays.
Note that mdmon is automatically started by mdadm when needed and so does not need to be considered when working with RAID arrays. The only times it is run other than by mdadm is when the boot scripts need to restart it after mounting the new root filesystem.
START UP AND SHUTDOWN
As mdmon needs to be running whenever any filesystem on the monitored device is mounted there are special considerations when the root filesystem is mounted from an mdmon monitored device. Note that in general mdmon is needed even if the filesystem is mounted read-only as some filesystems can still write to the device in those circumstances, for example to replay a journal after an unclean shutdown.
When the array is assembled by the initramfs code, mdadm will automatically start mdmon as required. This means that mdmon must be installed on the initramfs and there must be a writable filesystem (typically tmpfs) in which mdmon can create a .pid and .sock file. The particular filesystem to use is given to mdmon at compile time and defaults to /dev/.mdadm.
This filesystem must persist through to shutdown time.
After the final root filesystem has be instantiated (usually with pivot_root) mdmon should be run with --all --takeover so that the mdmon running from the initramfs can be replaced with one running in the main root, and so the memory used by the initramfs can be released.
At shutdown time, mdmon should not be killed along with other processes. Also as it holds a file (socket actually) open in /dev (by default) it will not be possible to unmount /dev if it is a separate filesystem.
EXAMPLES
mdmon --all-active-arrays --takeover
Any
mdmon
which is currently running is killed and a new instance is started.
This should be run during in the boot sequence if an initramfs was
used, so that any mdmon running from the initramfs will not hold
the initramfs active.
SEE ALSO
mdadm(8), md(4).
Index
This document was created by man2html, using the manual pages.
Time: 05:34:27 GMT, December 24, 2015


Las Palmas rule out signing Barca's Riqui Puig to replace Viera
by BeSoccerLas Palmas are working on the signing of a player to substitute Jonathan Viera in January 2020. However, they are not planning on signing Riqui Puig from Barca B, Miguel Angel Ramirez, the Las Palmas president, confirmed in a press conference.
Viera, on loan from Beijing Guoan until 31st December, will almost certainly return to China. Although Las Palmas are leaving the door open for him to stay on, it looks very unlikely. They are looking for a bigger name to replace the local player.
Ramirez surprised people by publicly revealing that Jonathan Viera earns 10 million euros gross at the Chinese outfit, "more than the entire Las Palmas budget. It was difficult for them to send him on loan to us so we are very grateful to Beijing Guoan," he highlighted.
"We will have him until 31st December and when the date comes nearer, we will see what happens. I cannot be publicly airing the club's strategy. The player has helped us to get victories, but with him we are 15th in the league. If he leaves, we will bring another footballer and we are already working on that," the president said.
Featured links
- BREAKING NEWS: Mourinho replaces Pochettino at Tottenham
- The latest football transfers news and rumours
- Wales, golf, Madrid... in that order
- Luis Enrique returns to Spain national team
With respect to Riqui Puig, the Las Palmas president has assured that after Puig's name was linked with the club, he asked the sporting director and his team, who denied any type of contact.
On the other hand, Ramirez has confirmed that Tana will return after his loan spell at Zheijang Greentown FC from the Chinese second division. He will probably rejoin the group in December so that Pepe Mel can decide whether he stays or looks for a new club in January.


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Winning Zimbabwe coach quits, losing Burundi boss stays
by BeSoccerJoey Antipas said on Wednesday he was quitting as caretaker coach of Zimbabwe, one day after achieving the best result of his four months in charge.
Zimbabwe scored a rare victory in neighbouring Zambia on Tuesday with the 2-1 win placing them second behind defending champions Algeria in a 2021 Africa Cup of Nations qualifying group.
In other matches under Antipas, Zimbabwe drew with Botswana in the Cup of Nations and recovered from a shock loss in Somalia to beat them on aggregate in a 2022 World Cup eliminator.
He replaced fellow former international defender Sunday Chidzambwa, who quit after a winless first round exit from the 2019 Cup of Nations in Egypt.
Antipas offered no reason for leaving, saying only that he was "bowing out", but Zimbabwe have time to weigh options with the next competitive match a 2022 World Cup qualifier in March.
Zimbabwe are ranked 29th in Africa and 117th in the world and have generally underperformed since the country gained independence 39 years ago.
Meanwhile, Burundi officials have defended coach Olivier Niyungeko after losses to the Central African Republic and Morocco in the Cup of Nations.
- 'Complex' -
Featured links
- BREAKING NEWS: Mourinho replaces Pochettino at Tottenham
- The latest football transfers news and rumours
- Wales, golf, Madrid... in that order
- Luis Enrique returns to Spain national team
"The problem is not coach Olivier Niyungeko, the problem with the national team is complex," an official said without giving further details.
Niyungeko became a national hero last year when he guided the tiny central African country to the biennial continental tournament for the first time.
But the 'Swallows' flopped last week, losing 2-0 away to the Central African Republic and 3-0 at home to Morocco, who punished a series of defensive blunders.
Already four points adrift of joint leaders Morocco and Mauritania, the odds are stacked against Burundi reaching successive Cup of Nations tournaments.
Another coach under pressure is Ibrahim Kamara, whose star-stacked Ivory Coast side struggled to overcome Niger, then fell to Ethiopia, a country ranked 95 places lower in the world.
Despite boasting a squad including Premier League trio Serge Aurier, Nicolas Pepe and Wilfried Zaha, the Ivorians missed a penalty before converting a second spot-kick to edge the Nigeriens.
After Aurier scored early in Ethiopia, they conceded twice in 10 minutes to lose and leave Kamara feeling uncomfortable while officials privately ponder hiring a foreign coach.
Before local Kamara was appointed, Ivory Coast hired numerous Europeans, including Swede Sven-Goran Eriksson, Bosnian Vahid Halilhodzic and Frenchman Herve Renard.


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Kerry's Blog
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Once upon a time there was a baby eagle living in a nest perched on a cliff overlooking a beautiful valley with waterfalls and streams, trees and lots of little animals, scurrying1 about enjoying their lives. The baby eagle liked the nest. It was the only world he had ever known. It was warm and comfortable, had a great view, and even better, he had all the food and love and attention that a great mother eagle could provide. Many times each day the mother would swoop2 down from the sky and land in the nest and feed the baby eagle delicious morsels3 of food. She was like a god to him, he had no idea where she came from or how she worked her magic. The baby eagle was hungry all the time, but the mother eagle would always come just in time with the food and love and attention he craved4. The baby eagle grew strong. His vision grew very sharp. He felt good all the time. Until one day, the mother stopped coming to the nest. The baby eagle was hungry. "I'm sure to die," said the baby eagle, all the time. "Very soon, death is coming," he cried, with tears streaming down his face. Over and over. But there was no one there to hear him. Then one day the mother eagle appeared at the top of the mountain cliff, with a big bowl of delicious food and she looked down at her baby. The baby looked up at the mother and cried "Why did you abandon me?  How could you do this to me?" The mother said, "Here is some very tasty and nourishing food, all you have to do is come get it." "Come get it!" said the baby, with much anger. "How?" The mother flew away. The baby cried and cried and cried. A few days later, "I'm going to end it all," he said. "I give up. It is time for me to die." He didn't know his mother was nearby. She swooped5 down to the nest with his last meal. "Eat this, it's your last meal," she said. The baby cried, but he ate and whined6 and whined about what a bad mother she was. "You're a terrible mother," he said. Then she pushed him out of the nest. He fell. Head first. Picked up speed. Faster and faster. He screamed. "I'm dying I'm dying," he cried. He picked up more speed. He looked up at his mother. "How could you do this to me?" He looked down. The ground rushed closer, faster and faster. He could visualize7 his own death so clearly, coming so soon, and cried and whined and complained. "This isn't fair!" he screamed. Something strange happens. The air caught behind his arms and they snapped away from his body, with a feeling unlike anything he had ever experienced. He looked down and saw the sky. He wasn't moving towards the ground anymore, his eyes were pointed8 up at the sun. "Huh?" he said. "What is going on here!" "You're flying," his mother said. "This is fun!" laughed the baby eagle, as he soared and dived and swooped. "Yes it is!" said the mother. Once upon a time there was a baby eagle living in a nest perched on a cliff overlooking a beautiful valley with waterfalls and streams, trees and lots of little animals, scurrying1 about enjoying their lives. The baby eagle liked the nest. It was the only world he had ever known. It was warm and comfortable, had a great view, and even better, he had all the food and love and attention that a great mother eagle could provide. Many times each day the mother would swoop2 down from the sky and land in the nest and feed the baby eagle delicious morsels3 of food. She was like a god to him, he had no idea where she came from or how she worked her magic. The baby eagle was hungry all the time, but the mother eagle would always come just in time with the food and love and attention he craved4. The baby eagle grew strong. His vision grew very sharp. He felt good all the time. Until one day, the mother stopped coming to the nest. The baby eagle was hungry. "I'm sure to die," said the baby eagle, all the time. "Very soon, death is coming," he cried, with tears streaming down his face. Over and over. But there was no one there to hear him. Then one day the mother eagle appeared at the top of the mountain cliff, with a big bowl of delicious food and she looked down at her baby. The baby looked up at the mother and cried "Why did you abandon me?  How could you do this to me?" The mother said, "Here is some very tasty and nourishing food, all you have to do is come get it." "Come get it!" said the baby, with much anger. "How?" The mother flew away. The baby cried and cried and cried. A few days later, "I'm going to end it all," he said. "I give up. It is time for me to die." He didn't know his mother was nearby. She swooped5 down to the nest with his last meal. "Eat this, it's your last meal," she said. The baby cried, but he ate and whined6 and whined about what a bad mother she was. "You're a terrible mother," he said. Then she pushed him out of the nest. He fell. Head first. Picked up speed. Faster and faster. He screamed. "I'm dying I'm dying," he cried. He picked up more speed. He looked up at his mother. "How could you do this to me?" He looked down. The ground rushed closer, faster and faster. He could visualize7 his own death so clearly, coming so soon, and cried and whined and complained. "This isn't fair!" he screamed. Something strange happens. The air caught behind his arms and they snapped away from his body, with a feeling unlike anything he had ever experienced. He looked down and saw the sky. He wasn't moving towards the ground anymore, his eyes were pointed8 up at the sun. "Huh?" he said. "What is going on here!" "You're flying," his mother said. "This is fun!" laughed the baby eagle, as he soared and dived and swooped. "Yes it is!" said the mother.


Chemex
Making coffee in a Chemex is my absolute favorite way to make coffee in the world. I think it is the most awesome way to make coffee, for yourself or for a few people at once.
Ingredients
- Coffee grinds; 28grams, medium-coarse ground
- Water, at 204 degrees F, 780g
How to make this coffee
- Freshly grind 28 grams of coffee, to a medium coarse grind
- Heat 900g+ of water to be 204 degrees F. After heating, you will have at least 780g.
- Place a paper filter into the Chemex
- Use the heated water to wet the paper filter
- Discard water used to wet paper
- Place grinds in filter
- Pour 75g of water onto the grinds in a concentric manner over the course of 30 seconds.
- Let coffee bloom for 45 seconds.
- Pour 705g more of water over 3minutes30seconds in a concentric manner. Keep coffee water level 1inch below filter top.


Simple Synth
Wave Type
Sine
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Filter
Envelope
[?]
Envelope describes how a sound changes over time.
Attack: Time taken for initial run-up of level from nil to peak, beginning when the key is pressed.
Decay: Time taken for the subsequent run down from the attack level to the designated sustain level.
Sustain: Level during the main sequence of the sound's duration, until the key is released.
Release: Time taken for the level to decay from the sustain level to zero after the key is released.
Attack
Decay
Sustain
Release
Reverb
Delay
Tremolo
Chorus
Select Preset


About the Donna and Jose
About Donna!
Donna is a senior a Loyola University who is set to graduate in the Spring of 2018. She is, also, a 16-year veteran at Loyola University as an Enrollment Support Assistant in Enrollment Management. Donna has one cat named Speedy who likes his snacks every morning around 2am and 3am. Donna loves playing video games and hopes to learn how to develop her own in her Intro to Web Development class.
About Jose!
I am a senior at Loyola University. I am finishing a Bachelors degree in both Management and Information Technology. I am aiming to graduate by May 2018. My original background is in Computer Science, but I ended up not liking it much. As I grew older, I decided to start moving away from computer science and into Management. But figured I should complete the IT degree as well.


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To access this module from JavaScript, you would do the following:
var Draggable = require("ti.draggable");
The Draggable
variable is a reference to the Module object.
Draggable.createView( _props );
Pedro Enrique
Copyright 2012 Pedro Enrique
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.


csv2xlsx [OPTIONS] WORKBOOK_NAME SHEET_NAME
csv2xlsx will take CSV input and create a new sheet in an Excel Workbook. If the Workbook does not exist then it is created.
Below are a set of options available.
-d, -delimiter set delimiter character (input)
-examples display example(s)
-generate-manpage generate man page
-generate-markdown generate markdown documentation
-h, -help display help
-i, -input input filename (CSV content)
-l, -license display license
-o, -output output filename
-quiet suppress error messages
-sheet Sheet name to create/replace
-trim-leading-space trim leading space in field(s) for CSV input
-use-lazy-quotes use lazy quotes for CSV input
-v, -version display version
-workbook Workbook name
Converting a csv to a workbook.
csv2xlsx -i data.csv MyWorkbook.xlsx 'My worksheet 1'
This creates a new ‘My worksheet 1’ in the Excel Workbook called ‘MyWorkbook.xlsx’ with the contents of data.csv.
cat data.csv | csv2xlsx MyWorkbook.xlsx 'My worksheet 2'
This does the same but the contents of data.csv are piped into the workbook’s ‘My worksheet 2’ sheet.
csv2xlsx v0.0.25


Welcome to LabViewer!
This application demonstrates the ability to view laboratory data from across a variety of data sources using the FHIR standard.
Once a patient is selected, laboratory information will be retrieved and viewable below
Version: 0.2 - 2017.11.19


{{widget type="cms/widget_block" template="cms/widget/static_block/default.phtml" block_id="44"}}
Thank you for purchasing a WaterRower. Please read below a few important safety guidelines to follow while storing or using your WaterRower.
I. Please consult a physician before commencing any exercise program.
II. Wear proper exercise clothing when rowing.
III. Injury may occur if equipment is used improperly. Please refer to www.howtorow.com for advice on how to properly use the WaterRower, rowing technique, and training advice.
IV. To protect against injury, please ensure others do not touch machine when in use. Areas of concern are highlighted in the images below.
V. Keep all observers, especially children and pets away from moving seat wheels, straps and pulleys.
VI. Place the handle back into the handle rest after use. Do not let go of the handle when rowing.
VII. When the WaterRower is in its upright storage position, take care it is not bumped which may cause it to fall over. Take extra caution with children.
VIII. Do not pull on the handle when the WaterRower is upright. This can cause the WaterRower to fall over.
By following these precautions and using common sense, you will have many safe and pleasurable years of healthful exercise on your WaterRower.


Introduction
The Wikimedia Design Style Guide ensures a consistent look and behavior for our products.
Our interfaces are our brand.
These principles and guidelines aim to help designers and developers with their Wikimedia projects, as part of the Foundation or in a volunteer capacity.
The style guide features unique focus areas like accessibility, internationalization, and localization.
Our process
Wikimedia Foundation Design Team maintains the style guide.
Our multi-disciplinary team focuses on user experience design, user research, engineering, information architecture, human-computer interaction, and visual design.
We follow primary design principles to provide solutions for visual identity, user interface components, and patterns.
Open to participate
We encourage and welcome your collaboration and participation to evolve the Wikimedia Design Style Guide.
You can engage in many ways:
- Contribute
Read contributing guidelines on GitHub and make a pull request. - Request a change or provide feedback
File a task on our workboard to request a change to the style guide. - Explore our design process
Read through our design process and view a guide on how Wikimedia Product designers typically work. - Read the blog
Stay up-to-date by reading the design blog. - Follow Wikimedia Product Design team updates
Follow @WikimediaDesign on Twitter. - Play around
Download Wikimedia Design Style Guide.


--- layout: post title: Wisdom of Cindy Crowford subtitle: tags: record image: show-avatar: false social-share: false comments: true ---
I watched an interview of Cindy Crowford and was blown away by the unexpected wisdom coming from a model
She carry herself in such a way that fully took advantage of her physique yet never to the extend that you feel she is exploiding it. She is astonishingly beautiful yet that is not all who she is. When asked about her thoughts on beauty, she said there is no denial that there is something there, but she doesn't want her daughter to judge people by anything or feel that she has to deprive her self to get there.
She also shared her tips about things such as how to prevent your shirt of getting deoderant marks, and how those 3M double sided tapes can avoid wardrabe malfunction. Then when she was asked about what she has learned in life, she said doing things in 80% such as work out 80% of the time, eat well 80% of the time such that you don't have to feel guity when you have to enjoy food or being lazy. Also be present for the things you are doing at the moment. She derive her confidence from the fact that she knows how to do her job, she can delieve what people are looking for. I know that feeling, knowing you are good at what you do.
其实还有一个很有意思的观察，因为新冠，很多国家身居要为的专家出来表达他们的观点。我觉得每次听完这些专家的表达我都会有脊梁骨发凉的感觉。 他们基本上没有把人当人的，其实根本没有经历过自身的选择却自己为自己知道世界的全部。我特别反感的是高福。 他在整个疫情期间接受了几次采访，都是英文采访，因为有利于他的发展。而他从头到尾从来没有向我们系统地介绍情况，文人形象跃然纸上。


{% extends "global/Page.html" %} {% load staticfiles otree_tags %} {% block title %}
Please click on the “Next” button to have one money machine randomly selected for payoff.


Chennai,Tamilnadu
<EMAIL_ADDRESS>9003240820
Skills
HTML
CSS
Javascript
Jquery
Languages
English
Tamil
An ambitious self-motivated person with a passion for 'Web Development' , and who would like to join a team of like-minded developers. Gerald has much experience of creating logical and innovative solutions to complex problems. He is thorough and precise in everything he does, and has a keen interest in technology, mobile applications and user experience. As someone who takes responsibility for his own personal development, he is continually evaluating and upgrading his skills so that he stays at the cutting edge of web development.
Right now Gerald is looking for a suitable position with a company where outstanding performance is recognised and where he can work on a variety of high profile projects.
Bachelor Degree
Knowledge of HTML&HTML5, CSS&CSS3, and JavaScript/jQuery .


A 2nd year Computing Science student at the University of Glasgow - I love playing guitar, harmonica and singing, and find programming excitingly addictive. Robots are awesome, but my main interests are machine learning and big data.
Projects
All
Robotics
Data
Web
Music
{% include "homepage/projectpanels.html" %}
{#% include "homepage/test/testpanels.html" %#}
Sorry, there are no projects that match your query


class OfficialArchives(object):
overdesigned class to connect URLs, names, and classes of "official" archives.
The all
archive name gets special treatment. The 'all'-archive is
currently needed in cocopp.main
but could be dropped otherwise.
The class collects the "official" online data archives as attributes.
Each suite is also a different class inheriting from COCODataArchive
.
The class may become the same for some or all suites in future.
cocopp.archives
is an instance of OfficialArchives
and contains as
archive attributes (at this point in time):
all: COCODataArchive
, the list
of all archived data from
all test suites.
bbob: COCOBBOBDataArchive
, the list
of archived data run on the
bbob
test suite.
bbob_noisy: COCOBBOBNoisyDataArchive
, ditto on the bbob_noisy
test suite.
bbob_biobj: COCOBBOBBiobjDataArchive
, ditto...
The names
property is a list of all "official" archive names available.
1) To list all available data:
>>> import cocopp >>> cocopp.archives.all # doctest:+ELLIPSIS,+SKIP, ['bbob/2009/AL...
2) To see all available data from a given test suite:
>>> cocopp.archives.bbob # doctest:+ELLIPSIS,+SKIP, ['2009/ALPS...
or
>>> cocopp.archives.bbob_biobj # doctest:+ELLIPSIS,+SKIP, ['2016/DEMO_Tusar...
or
>>> cocopp.archives.bbob_noisy # doctest:+ELLIPSIS,+SKIP, ['2009/ALPS...
3) We can extract a subset from any test suite (such as
cocopp.archives.all
, cocopp.archives.bbob
, ...) of the
archive by sub-string matching:
>>> cocopp.archives.bbob.find('bfgs') # doctest:+NORMALIZE_WHITESPACE,+ELLIPSIS,+SKIP ['2009/BFGS_ros_noiseless.tgz', '2012/DE-BFGS_voglis_noiseless.tgz', '2012/PSO-BFGS_voglis_noiseless.tgz', '2014-others/BFGS-scipy-Baudis.tgz', '2014-others/L-BFGS-B-scipy-Baudis.tgz'...
or by regex pattern matching:
>>> cocopp.archives.bbob.find('bfgs') == cocopp.archives.bbob.find('.*bfgs') True
but
>>> len(cocopp.archives.bbob.find('bfgs')) > len(cocopp.archives.bbob.find('bfgs.*')) True
The find
method will not download data and is only for inspecting the
archives. If we want to actually process the data we need to use get
,
get_all
, get_extended
or get_found
, or use the same search string
in cocopp.main
appending a *
if more than one algorithm should be
processed:
4) When postprocessing data via `cocopp.main`, we can use the archive like
>>> cocopp.main(cocopp.archives.bbob.get_all('bfgs').as_string) # doctest:+SKIP
or the shortcut
>>> cocopp.main('bfgs*') # doctest:+SKIP
using the special meaning of the trailing *
in this case (see below).
The get
and get_extended
methods are called on each argument given in a
string to main
. We can do things like
>>> cocopp.main('bbob/2009/BIPOP DE-BFGS') # doctest:+SKIP
When a string has multiple matches, the postprocessing bails out. For
such cases, we can use the trailing symbols *
(AKA take all matches)
and !
(AKA take the first match) which uses the get_extended
method
under the hood:
>>> cocopp.main('BIPOP! 2012/DE*') # doctest:+SKIP
will expand to the following:
Post-processing (2+) Using: /.../.cocopp/data-.../bbob/2009/BIPOP-CMA-ES_hansen_noiseless.tgz /.../.cocopp/data-.../bbob/2012/DE-AUTO_voglis_noiseless.tgz /.../.cocopp/data-.../bbob/2012/DE-BFGS_voglis_noiseless.tgz /.../.cocopp/data-.../bbob/2012/DE-ROLL_voglis_noiseless.tgz /.../.cocopp/data-.../bbob/2012/DE-SIMPLEX_voglis_noiseless.tgz /.../.cocopp/data-.../bbob/2012/DE_posik_noiseless.tgz /.../.cocopp/data-.../bbob/2012/DEAE_posik_noiseless.tgz /.../.cocopp/data-.../bbob/2012/DEb_posik_noiseless.tgz /.../.cocopp/data-.../bbob/2012/DEctpb_posik_noiseless.tgz Post-processing (2+) loading data... [...]
5) If we want to also pass other arguments to the postprocessing (e.g. the output folder) in case 3) above, string concatenation does the trick:
>>> cocopp.main('-o myoutputfolder ' + cocopp.archives.bbob.get_all('bfgs').as_string) # doctest:+SKIP
For case 4), this works directly:
>>> cocopp.main('-o myoutputfolder BIPOP! 2012/DE*') # doctest:+SKIP
| Method | __init__ |
all URLs and classes (optional) in one place. |
| Method | add_archive |
Allow to use a new official archive. |
| Method | class_ |
class of archive named name when returned by get |
| Method | link_as_attributes_in |
Assign all archives as attribute of target except for 'test'. |
| Method | set_as_attributes_in |
Assign all archives as attribute of target except for 'test'. |
| Method | update_all |
Undocumented |
| Method | url |
return url of "official" archive named name . |
| Instance Variable | all |
Undocumented |
| Property | names |
a list of valid key names |
| Property | urls |
a name->URL dictionary |
| Method | _get |
get j-th entry of name , where j==0 is the URL and j==1 is the class |
| Instance Variable | _base |
Undocumented |
| Instance Variable | _list |
Undocumented |
all URLs and classes (optional) in one place.
The archive names are identical with the last part of the URL. The only
exception is made for 'all'
, which is removed to get the URL.
Allow to use a new official archive.
The archive must exist as a subfolder of coco_url.
Assign all archives as attribute of target
except for 'test'.
target
is by default self
.
Details: This method can only be called when the class names and the module
attribute official_archives: OfficialArchive
(used in get
) are
available. It only creates links to the existing archives.
Assign all archives as attribute of target
except for 'test'.
target
is by default self
.
Details: This method can only be called when the class names and
the module attribute official_archives: OfficialArchive
(used in
get
) are available. It creates new instances of the archives.
Depending on the implementation of get
, it may download the
definition files on its first-ever call by/on any given
user/machine.
return url of "official" archive named name
.
The same value as self.urls.get(name).


Introduction
Laravel Sail is a light-weight command-line interface for interacting with Laravel's default Docker development environment. Sail provides a great starting point for building a Laravel application using PHP, MySQL, and Redis without requiring prior Docker experience.
At its heart, Sail is the docker-compose.yml
file and the sail
script that is stored at
the root of your project. The sail
script provides a CLI with convenient methods for interacting with
the Docker containers defined by the docker-compose.yml
file.
Laravel Sail is supported on macOS
, Linux
, and Windows
(via WSL2).
What is the Docker?
Docker is a tool for running applications and services in small, light-weight "containers" which do not interfere with your local computer's installed software or configuration. This means you don't have to worry about configuring or setting up complicated development tools such as web servers and databases on your personal computer. To get started, you only need to install Docker Desktop.
Please refer to this guide to install docker.
Installation & Setup
Installing Sail Into Existing Applications
If you are interested in using Sail with an existing Laravel application, you may simply install Sail using the Composer package manager. Of course, these steps assume that your existing local development environment allows you to install Composer dependencies:
composer require laravel/sail --dev
After Sail has been installed, you may run the sail:install
Artisan command. This command will
publish Sail's docker-compose.yml
file to the root of your application:
php artisan sail:install
Finally, you may start Sail. To continue learning how to use Sail, please continue reading the remainder of this documentation:
./vendor/bin/sail up
Configuring A Bash Alias
By default, Sail commands are invoked using the vendor/bin/sail
script that is included with all new
Laravel applications:
./vendor/bin/sail up
However, instead of repeatedly typing vendor/bin/sail
to execute Sail commands, you may wish to
configure a Bash alias that allows you to execute Sail's commands more easily:
alias sail='bash vendor/bin/sail'
Once the Bash alias has been configured, you may execute Sail commands by simply typing sail
. The
remainder of this documentation's examples will assume that you have configured this alias:
sail up
Starting & Stopping Sail
Laravel Sail's docker-compose.yml
file defines a Docker variety of containers that work together to
help you build Laravel applications. Each of these containers is an entry within the
services
configuration of your docker-compose.yml
file. The
laravel.test
container is the primary application container that will be serving your application.
Before starting Sail, you should ensure that no other web servers or databases are running on your local computer.
To start all of the Docker containers defined in your application's docker-compose.yml
file, you
should execute the up
command:
sail up
To start all of the Docker containers in the background, you may start Sail in "detached" mode:
sail up -d
Once the application's containers have been started, you may access the project in your web browser at: http://localhost.
To stop all of the containers, you may simply press Control + C to stop the container's execution. Or, if the
containers are running in the background, you may use the down
command:
sail down
How to run the Vuexy template with docker?
You can run our template in docker environment using sail. After, successfully installed docker in your system run the below command to install sail and composer in the template.
docker run --rm \
-v $(pwd):/opt \
-w /opt \
laravelsail/php80-composer:latest \
composer install
In the root directory, you will find a file named .env.example
, rename the given file name to
.env
and run the following command to generate the key (and you can also edit your database
credentials here).
php artisan key:generate
By running the following command, you will be able to get all the dependencies in your node_modules folder:
npm install
To run the project, you need to run following command in the project directory. It will compile the php files & all the other project files. If you are making any changes in any of the php file then you need to run the given command again.
npm run dev
Now, run the below command to create docker container and serve the template.
alias sail='bash vendor/bin/sail' //created alias
sail up


Daily iron ore price update (fly be free)
by Houses and HolesIt’s all good again as steel and iron ore enjoy another bounce following China’s lousy growth report last week:
There are 984 words left in this subscriber-only article.
It’s all good again as steel and iron ore enjoy another bounce following China’s lousy growth report last week:
There are 984 words left in this subscriber-only article.


Dgame.Graphic.Spritesheet
- class Spritesheet: Dgame.Graphic.Sprite.Sprite;
- SpriteSheet extends Sprite and act like a Texture Atlas.
Author:
Randy Schuett<EMAIL_ADDRESS>- uint timeout;
- The timeout between the slides
- int numOfExecutions;
- The amount of executions of the whole slide
-1 or less means infinite sliding
- final pure nothrow @nogc this(ref Texture tex);
- CTor
- final pure nothrow @nogc this(ref Texture tex, const Rect texRect);
- CTor
- final const pure nothrow @nogc uint lastUpdate();
- Returns the last update which means the last happened slide
- final const pure nothrow @nogc uint executionCounter();
- Returns the current execution count
- final const pure nothrow @nogc bool isCompleted();
- Returns if the execution is completed
- final nothrow @nogc void slideTextureRect();
- Slide / move the current view of the Texture,
so that the next view of the Texture will be drawn.
This happens by moving the Texture Rect.
Note:
If you reached the end of the Texture, the procedure starts from scratch.
- final pure nothrow @nogc void selectFrame(ubyte index);
- Selects a specific frame and adapts the position of the texture rect.
The index starts at 0 and line by line.
Note:
The size of your Texture and the size of your Texture-Rect should be divisible without a rest.
- final const pure nothrow @nogc uint numOfFrames();
- Returns how many frames this Spritesheet has.
The width / height of the current Texture is divided through
the corresponding width / height of the current Texture-Rect and both values are being multiplied.
Page generated by Ddoc.


CBOW Time Series Prediction
Set the events in history window
CBOW (in-out)
CBOW (in-in)
CBOW (out-out)
Naive Bayes
Predict
Prediction Result


Tottenham Hotspur 'in race for Newcastle United teen'
Tottenham Hotspur are reportedly leading the race to sign 14-year-old Newcastle United starlet Bobby Clark.
by Andrew SinclairClark, the son of former Toon player and current Blyth Spartans boss Lee Clark, made history earlier this season when he played for the club's under-18 team aged just 14 years and 206 days.
Current Magpies boss Steve Bruce has said that the youngster is the best schoolboy prospect at the club and Clark is due to make his debut for England's under-15 side when they play the Republic of Ireland and Turkey next month.
According to the Daily Mail, Tottenham have now entered the race to sign the youngster and they are thought to have stolen a march on the other interested parties.
Manchester United, Manchester City, Chelsea and Bayern Munich have all been linked with Clark, but it is believed that the youngster's parents would prefer him to continue his development with his hometown club.
body check tags ::


Editor id:
Editor token:
Username:
Password:
Game id:
Group id:
Start Date:
End Date:
Human
JSON
CSV


VoxelDesc is a voxel editor driven by a command line, for Java 6 and 7, with 2.5D graphics and powerful scripting.
Typical voxel editors would have you place every single voxel by clicking with the mouse, which is slow, repetitive and error-prone. All the tedium of Minecraft with none of the fun! By contrast, VoxelDesc allows you to say things like scene.color(red).from(-2, -2, -2).fill(4, 4, 4)
. This is not for everyone. But in the right hands, it should enable the creation of sophisticated scenes.
Type the following at the command line (press Enter each time):
camera.moveTo(0, 15, -30);
scene.color(red).from(-4, -4, -4).fill(4, 4, 4);
scene.color(green).from(-2, -2, -2).fill(4, 4, 4);
scene.color(blue).from(0, 0, 0).fill(4, 4, 4);
Ta-daa! You're off to a good start! Now go click all the buttons and see what they do.


{% extends "base.html" %} {% block meta %} {% endblock %} {% block content %}
In publishing and graphic design, Lorem ipsum is a placeholder text commonly used to demonstrate the visual form of a document or a typeface without relying on meaningful content. Wikipedia
In publishing and graphic design, Lorem ipsum is a placeholder text commonly used to demonstrate the visual form of a document or a typeface without relying on meaningful content. Wikipedia
In publishing and graphic design, Lorem ipsum is a placeholder text commonly used to demonstrate the visual form of a document or a typeface without relying on meaningful content. Wikipedia


Liaoyuan is a social network for the entrepreneurial community. We are dedicated to provide a social networking platform for entrepreneurs, investors, and industry professionals to efficiently acquire valuable resources and connect with each other. Liaoyuan and our community is here with you along side of your entrepreneurial journey. Our dreams will grow together, stronger than ever. The iOS App is available for download at the App Store.
ROBOTERRA, Inc. is an educational robot technology company that incorporates intelligent hardware, curriculum and our proprietary cloud platform to teach advanced topics of science, math, engineering and design concepts via robotics. ROBOTERRA’s mission is to inspire creativity and ingenuity via robotics education to everyone worldwide. Our design, product development and educational curriculum team consists of experienced and highly educated alumni from prestigious universities such as Stanford, Columbia, NYU, Carnegie Mellon, and many more. Also, our team’s diverse corporate experience ranges from working at innovative companies such as Tesla, Apple to McKinsey and Wall Street.
The CollegeDailyCN is a media group with multiple platforms that presents news, information, and jobs for international college and university faculty and Student Affairs professionals, with current subscriber over 300,000. A subscription is required to read some articles. The CollegeDailyCN, based in Beijing, China, is a major news service for students who are planning to study aboard. It is published everyday online through Wechat, Website. Founded in 2013, CollegeDailyCN has grown to cover most of international students studying in North America. Everyday, over 500,000 reader get useful information from it's multiple platforms. It also has a team of student journalists and editors who provide useful articles and researches to the readers.
Amino Capital (a.k.a. zPark Capital) is a venture firm based in Palo Alto, focusing on seed to growth-stage investments in big data, and data-driven technologies, including but not limited to IoT, medicine/genomics, AI/BI, drone/UAV, Fintech, security and infrastructure. The firm was founded in 2012 by a unique team of over 40 technology executives and innovators from Google, Facebook, Yahoo, Tencent, Alibaba, U of Chicago, Stanford U, Tsinghua U and et al. Since inception, the firm has invested over 80 seed stage companies, following with additional investments in series A and B.
As a startup founded in May 2014, Raven Tech wants to make life easier, more elegant and more efficient with the power of technology and design; insists in being intuitive, sensitive and obsessive. As one of the fifth batch of graduates from Microsoft Ventures Accelerator, and the only startup from Mainland China enrolled in the Y Combinator W15, Raven Tech was invested by ZhenFund, Matrix Partner, DCM and Y Combinator.
At Modelo we are building a platform for architects and designers who already work with complex 3D design software like Rhino or Revit. Founded by an architect and an industrial designer fed up with the tools available to them, our mission from the start has been to bring joy and efficiency to the collaboration, showcasing/presentation and project management functions of creative design teams. We take a lot of inspiration from Slack's approach to team communication and we're looking to make a big positive impact on the work lives of our users.
Easy Transfer operates an online service and maintains banking relationships between payment processors and banks in China to give Chinese students and their families a single channel for tuition payment processing. To quickly and easily transfer the tuition payments to the institutions in the United States, ETL has agreements with institutions and their banks. These banking links in China and the United States make it much easier and less expensive for Chinese families to pay for their sons and daughters to attend a college in the United States.
jEugene creates intelligent tools that work in partnership with lawyers. Their products offer unmatched accuracy, fit seamlessly into typical workflows, and operate at lightning speed with bank-level security
蚁视专注于虚拟现实、增强现实、全息现实、穿戴式设备领域。蚁视具有全球最领先的穿戴式显示及虚拟现实技术，自主研发的全球首款虚拟现实套装ANTVR KIT 2014年在全球知名众筹网站kickstarter众筹，超过26万美元，打破了中国项目在海外的众筹记录，全球几十个国家粉丝强烈支持，引发中国项目的众筹热潮。CNN、华尔街日报、连线、TechCrunch、mashable、新闻联播、新闻直播间、晚间新闻、北京新闻等等全球媒体纷纷疯狂报道。在2014蚁视产品发布会上，蚁视发布了3款虚拟现实产品和4款前沿概念产品，成为2014年最火爆的明星创业公司。曾获得数千万美元投资，估值在一年内翻了100倍。
才云科技（Caicloud）是一家云计算创业公司，核心团队成员来自美国谷歌（Google）、亚马逊(Amazon)、微软(Microsoft)的顶尖云计算技术团队。 Caicloud 作为中国最早期的容器技术云平台开拓者之一，启用新一带容器集群技术（Container Cluster），推出全新容器云计算平台和云平台运维管理系统以服务企业和开发者。Caicloud目前已获得天使轮投资数百万美金及近千万人民币政府支持。 Caicloud总部位于中国杭州，并在上海和美国匹兹堡设有分支机构。


Finance summary
This is a breakdown of your project costs and sources of funding for this project.
| Total project costs | Funding level (%) | Funding sought (£) | Other public sector funding (£) | Contribution to project (£) |
|---|---|---|---|---|
|
£ |
|
|
This is a breakdown of your project costs and sources of funding for this project.
| Total project costs | Funding level (%) | Funding sought (£) | Other public sector funding (£) | Contribution to project (£) |
|---|---|---|---|---|
|
£ |
|
|


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Canada - Profile
Facts
- Spanning the north of the American continent, Canada has cruising grounds on both the western Pacific coast and the eastern Atlantic coast. The majority of Canadians, however, sail inland on the Great Lakes, which can be reached either by sailing up the St Lawrence river from the Atlantic or through the Erie Canal. Some like to make the round trip by sailing to Nova Scotia, up the St Lawrence to the Lakes and then back to New York and the US east coast through the Canal.
- For the decreasing number of yachts who take the northern route across the Atlantic, the island of Newfoundland, closest point to Europe, is their landfall or springboard. Cruising this northern island is strictly for summer months and even then it can be cold, wet and windy at times. The rewards are a vast choice of anchorages in small bays, harbours and islands and the few cruising boats sailing this far north can find complete isolation in beautiful surroundings.
- More often visited by foreign yachts is Nova Scotia, the first stop down-east from Maine. Halifax, the main harbour, is a large yachting centre and, like St Johns in Newfoundland, a transatlantic springboard and landfall.
- On the Pacific coast British Columbia boasts one of the most beautiful and dramatic cruising grounds in the world with its snowcapped mountains, waterfalls cascading down rugged cliffs, a myriad of islands and quiet, still fjords. The 282 mile (454 km) long Vancouver Island protects most of the mainland from the Pacific Ocean and so creates an inland sea. The most popular cruising area is the Gulf Islands in the south. Another good cruising area is at the north of the Strait of Georgia, where a cluster of islands border the magnificent Desolation Sound. North of this begins the inside passage to Alaska.
- A large tidal range and strong currents make for attentive navigation along this coast, as do the hazards of floating logs and kelp. All of the area is well charted and tide rips are marked. Fog can be a hazard and radar a great boon, especially as there is a lot of other traffic - logging tugs, fishing boats, fast ferries to and from the islands and, especially near Vancouver, commercial shipping. The rewards of nature, both in scenery and wildlife, including superb fishing, more than make up for the attentive navigation needed.
- There are good facilities in all major yachting centres. Marine equipment and fuel is more expensive than in the USA, whereas Canadian charts are cheaper than US charts. Provisioning is very good in larger ports, but only adequate in some of the smaller places.
- On the west coast, the best stocks of chandlery and general boat repair facilities are in Vancouver as well as Richmond, one of its suburbs. There are good docking facilities at the Royal Vancouver Yacht Club as well as the nearby marina and Vancouver Rowing Club, all of which welcome visitors and are close to the centre.
- Particularly north of Vancouver, grocery stores and fuelling stations are far apart. Nanaimo, on Vancouver Island, is a good provisioning place used by the local fishing fleet, so docking space is sometimes limited. There are several marinas in Pender Harbour, with stores, post office and fuel station. Similar services are available at Sullivan Bay on North Broughton Island. Good facilities are available in Prince Rupert, although the place gets crowded when the fishing fleet is in.
- On the Atlantic coast, Halifax, in Nova Scotia, has a wide range of repair facilities and services. There are three large yacht clubs in town and visitors can moor at the Maritime Museum of the Atlantic in the main harbour.
- Best repair facilities are at Lunenburg, an important fishing port, which has a very interesting fishing museum.
- Although there are barely any yachting facilities in St John's busy commercial harbour, these are concentrated in Long Pond, a narrow inlet on the west side of the Avalon peninsula. This is also the home of the Royal Newfoundland Yacht Club, which is particularly welcoming to foreign visitors. Fuel and water are available on the dock.
- The only marina-type facility is at Lewisport, with floating pontoons and electricity. In all other places one has to either anchor or use the governor wharves.
- Until 2009, the Arctic pack ice made the Northwest Passage unnavigable throughout most of the year. However, climate change has reduced the pack ice, and this Arctic shrinkage has made the waterways more navigable.
Weather
The climate varies considerably around the country. Atlantic Canada is very cold November to April (minus 10° to 4°C/15° to 50°F), while May to October is mild on the coasts. There are few gales in summer, but the area is affected by fog. In spring and summer up to July, icebergs can be carried into the Newfoundland area.
In Western Canada November to April is temperate on the coast, while May to October is warm and rainy. Northern Canada has subarctic conditions during the winter. The southern area, nicknamed the banana belt
, is in the rain shadow of Vancouver Island, has milder winters and so cruising is possible all year round, while the northern sector tends to be summer cruising only. Land breezes often dictate the sailing conditions and calms are commonplace. In the summer gales are rare and west or north-westerly winds blow most afternoons.
See Official Canadian marine weather service for the forecast for the various regions.
For links to free global weather information, forecast services and extreme weather information see the Noonsite Weather Page
Main Ports
British Columbia:
Cortes Bay
,
Kitimat *
,
Lund
,
Okeover Harbour
,
Prince Rupert Harbour *
,
Refuge Cove
,
Vancouver *
Gulf Islands:
Gabriola Island
,
Galiano Island
,
Pender Island (summer only) *
,
Saltspring Island
,
Thetis Island
New Brunswick:
Caraquet *
,
Dalhousie *
,
Grand Mannan Harbour (Grand Manan Island) *
,
Newcastle *
,
Saint John *
,
St Andrews *
Newfoundland:
Corner Brook *
,
Fogo Harbour (Fogo Island)
,
Harbour Grace *
,
Lewisporte
,
St John's *
Nova Scotia:
Cape Breton Island (Bras d'Or Lakes)
,
Halifax *
,
LaHave *
,
Lunenburg *
,
Parrsboro *
,
Pictou *
,
Port Medway *
,
Pugwash *
,
Sheet Harbour *
,
Shelburne *
,
Yarmouth *
Nunavut (North West Territories):
Frobisher Bay (Iqaluit) *
Ontario:
Brockville *
,
Kingston *
,
Toronto *
Prince Edward Island:
Charlottetown *
,
Summerside *
Quebec:
Gaspe *
,
Rimouski *
,
Riviere du Loup *
Vancouver Island (B.C):
Campbell River *
,
Comox *
,
Duncan
,
Nanaimo *
,
Port Alberni *
,
Port Hardy
,
Sidney *
,
Victoria *
* indicates port of entry


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This project was created by a team of students at Fullstack Academy, who remember all too well the effort, focus and time required to learn how to become a Fullstack Engineer. We hope that this helps other students in their learning process.
We wish you well on your road to code! May the force be with you.


(base) pierre@simplon-thinkpad-t430:~$ sudo mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 19
Server version: 5.7.28-0ubuntu<IP_ADDRESS> (Ubuntu)
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> GRANT ALL PRIVILEGES ON dbTest.* To 'simplon'@'hostname' IDENTIFIED BY '@Simplon92';
Query OK, 0 rows affected, 1 warning (0.02 sec)
mysql> GRANT ALL PRIVILEGES ON dbTest.* To 'simplon'@'localhost' IDENTIFIED BY '@Simplon92';
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql>


Tele Health
By School of Health and Rehabilitation
Key terms
Key terms. . .
Definition of key terms
1.
Unauthorized
- Occurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use. Any access that violates the stated security policy.
2.
Access Control
- The process of granting or denying specific requests to: 1) obtain and use information and related information processing services; and 2) enter specific physical facilities (e.g., federal buildings, military establishments, border crossing entrances).
3.
Advanced Encryption Standard (AES)
- The Advanced Encryption Standard specifies a U.S. governmentapproved cryptographic algorithm that can be used to protect electronic data. The AES algorithm is a symmetric block cipher that can encrypt (encipher) and decrypt (decipher) information. This standard specifies the Rijndael algorithm, a symmetric block cipher that can process data blocks of 128 bits, using cipher keys with lengths of 128, 192, and 256 bits.
4.
Antivirus Software
- A program that monitors a computer or network to identify all major types of malware and prevent or contain malware incidents.
5.
Authentication
- Verifying the identity of a user, process, or device, often as a prerequisite to allowing access to resources in an information system. Encompasses identity verification, message origin authentication, and message content authentication.The process of verifying the identity or other attributes claimed by or assumed of an entity (user, process, or device), or to verify the source and integrity of data.
6.
Authorization
- Access privileges granted to a user, program, or process or the act of granting those privileges.
7.
Backup
- A copy of files and programs made to facilitate recovery, if necessary.
8.
Bit
- A contraction of the term Binary Digit. The smallest unit of information in a binary system of notation. A binary digit having a value of 0 or 1.
9.
Certification
- A comprehensive assessment of the management, operational, and technical security controls in an information system, made in support of security accreditation, to determine the extent to which the controls are implemented correctly, operating as intended, and producing the desired outcome with respect to meeting the security requirements for the system.
10.
Digital Signature
- An asymmetric key operation where the private key is used to digitally sign data and the public key is used to verify the signature. Digital signatures provide authenticity protection, integrity protection, and non-repudiation.
11.
Disaster Recovery Plan (DRP)
- A written plan for recovering one or more information systems at an alternate facility in response to a major hardware or software failure or destruction of facilities.
12.
Encryption
- Conversion of plaintext to ciphertext through the use of a cryptographic algorithm.
13.
Encrypted Key
- A cryptographic key that has been encrypted using an Approved security function with a key encrypting key, a PIN, or a password in order to disguise the value of the underlying plaintext key.
14.
Encryption Algorithm
- Set of mathematically expressed rules for rendering data unintelligible by executing a series of conversions controlled by a key.
15.
Entity
- Either a subject (an active element that operates on information or the system state) or an object (a passive element that contains or receives information).
16.
Firewall
- A gateway that limits access between networks in accordance with local security policy.
17.
Identifier
- Unique data used to represent a person’s identity and associated attributes. A name or a card number are examples of identifiers.
18.
Incident Response Plan
- The documentation of a predetermined set of instructions or procedures to detect, respond to, and limit consequences of a malicious cyber attacks against an organization’s information system(s).
19.
Mobile Device
- Portable cartridge/disk-based, removable storage media (e.g., floppy disks, compact disks, USB flash drives, external hard drives, and other flash memory cards/drives that contain nonvolatile memory).
20.
Multifactor Authentication
- Authentication using two or more factors to achieve authentication. Factors include: (i) something you know (e.g.，password/PIN); (ii) something you have (e.g., cryptographic identification device, token); or (iii) something you are (e.g., biometric).
21.
Password
- A protected character string used to authenticate the identity of a computer system user or to authorize access to system resources.
22.
Privacy
- Restricting access to subscriber or Relying Party information in accordance with federal law and agency policy.
23.
Protected Health Information (PHI)
- The HIPAA Privacy Rule provides federal protections for personal health information held by covered entities and gives patients an array of rights with respect to that information. At the same time, the Privacy Rule is balanced so that it permits the disclosure of personal health information needed for patient care and other important purposes.
24.
Remote Access
- Access to an organizational information system by a user (or an information system acting on behalf of a user) communicating through an external network (e.g., the Internet).
25.
Risk
- The level of impact on organizational operations (including mission, functions, image, or reputation), organizational assets, or individuals resulting from the operation of an information system given the potential impact of a threat and the likelihood of that threat occurring.
26.
Security
- A condition that results from the establishment and maintenance of protective measures that enable an enterprise to perform its mission or critical functions despite risks posed by threats to its use of information systems. Protective measures may involve a combination of deterrence, avoidance, prevention, detection, recovery, and correction that should form part of the enterprise's risk management approach.
27.
Software
- Computer programs and associated data that may be dynamically written or modified during execution.
28.
System
- Any organized assembly of resources and procedures united and regulated by interaction or interdependence to accomplish a set of specific functions.
29.
Transmission
- The state that exists when information is being electronically sent from one location to one or more other locations.
30.
Virtual Private Network (VPN)
- A virtual network, built on top of existing physical networks, that provides a secure communications tunnel for data and other information transmitted between networks.
31.
Wi-Fi Protected Access-2 (WPA2)
- The approved Wi-Fi Alliance interoperable implementation of the IEEE 802.11i security standard. For federal government use, the implementation must use FIPS-approved encryption, such as AES.
32.
Business Associate Agreement (BAA)
- A "business associate" is a person or entity, other than a member of the workforce of a covered entity, who performs functions or activities on behalf of, or provides certain services to, a covered entity that involve access by the business associate to protected health information. A "business associate" also is a subcontractor that creates, receives, maintains, or transmits protected health information on behalf of another business associate. The HIPAA Rules generally require that covered entities and business associates enter into contracts with their business associates to ensure that the business associates will appropriately safeguard protected health information.
33.
Cloud Computing
- A model for enabling on-demand network access to a shared pool of configurable IT capabilities/ resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. It allows users to access technology-based services from the network cloud without knowledge of, expertise with, or control over the technology infrastructure that supports them. This cloud model is composed of five essential characteristics (on-demand selfservice, ubiquitous network access, location independent resource pooling, rapid elasticity, and measured service); three service delivery models (Cloud Software as a Service [SaaS], Cloud Platform as a Service [PaaS], and Cloud Infrastructure as a Service [IaaS]); and four models for enterprise access (Private cloud, Community cloud, Public cloud, and Hybrid cloud).
Source: http://nvlpubs.nist.gov/nistpubs/ir/2013/NIST.IR.7298r2.pdf


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People infected with the Corona Virus (COVID-19) experience mild to moderate respiratory illness. With the availability of massive amounts of COVID-19 data, there is a growing urge for more efficient computational algorithms to predict the rate of mortality to enhance security, ensure public safety and develop medical diagnostics. Machine Learning algorithms help us achieve this objective by finding patterns in the massive amounts of COVID-19 data.
Regression models are powerful supervised machine learning techniques to classify large-scale data. This paper examines by applying the regression models generated by machine learning algorithms to predict the expected COVID-19 deaths. This research uses Linear Regression and Lasso Regression techniques on world COVID-19 data. The experimental results show the R-squared statistics score of 0.99, which means that our model explains 99% of the variance.
The objective of this research article is to investigate the huge available COVID-19 world dataset and hence could contribute to a significant amount of robust data and compute a predictive model for World dataset using machine learning algorithms called Linear Regression and Lasso Regression. The results obtained from this dataset is also compare the efficiency of these techniques based on various error metrics such as Mean Absolute Error(MAE), Mean Squared Error (MSE), R-Squared value, and Root Mean Squared Error(RMSE).


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