|
release
notes for the PNG encoder and decoder for Delphi 5 version 1.2
This is version 1.2 of
the encoder and decoder to the Portable Graphics Network format
for Delphi 5. This implementation is capable of reading and saving
images with Gamma correction and direct access to all the PNG
chunks. This implementation was all worked on Delphi 5 and it can show
images progressively, as it is being decoded.
The unit was tested in
all the images Willem van Schaik test
page, and, it worked with 100% of the images.
| TPNGImage>TBitmap>TGraphic>TObject>TPersistent |
Component
to implement the PNG format
This is the main
component that implements the decoder and encoder for PNGs. The
component is based on TBitmap meaning it have all TBitmap properties and
methods. It is possible to use the Assign procedure
to copy the contents from most of TGraphic descendents like TJPEGImage,
etc..
procedure
LoadFromStream(Stream: TStream)
Use the
LoadFromStream to load a PNG file from any class derivate from TStream
like TMemoryStream or TFileStream.
The method will read
all the chunks until it find the IEND chunk. If the OnProgress
event is set, using additional code, the image may be displayed progressively
(with a loss of speed).
Example
on how using the method.
{The
method bellow opens the image X.PNG }
{and put it on the background of the }
{current window. Note that this method }
{makes the same work that LoadFromFile do}
var
PNG: TPNGImage;
FStream: TFileStream;
begin
PNG := TPNGImage.Create;
try
FStream := TFileStream.Create('X.PNG',fmOpenRead);
PNG.LoadFromStream(FStream);
Form1.Canvas.Draw(0, 0, PNG);
finally
PNG.Free;
FStream.Free;
end;
end;
See
also:
LoadFromFile
SaveToFile
SaveToStream
procedure
SaveToStream(Stream: TStream)
SaveToStream saves the
current image from the TPNGImage object to a class derivate from TStream
like TFileStream or TMemoryStream.
All the chunks from
the previous loaded image will be mantained, with modifications to the
necessary chunks.
Also, the filter
property is important to set which filters maybe used to save the image.
See
also:
SaveToStream
LoadFromFile
LoadFromStream
procedure
LoadFromFile(const FileName: String)
LoadFromFile loads a
png file from a file specified by the parameter. The image will be
readed until the IEND chunk is found or until the end of the file (some
applications like the current version of ACDSee for a bug does not add
the IEND chunk).
See
also:
SaveToStream
SaveToFile
LoadFromStream
procedure
SaveToFile(const FileName: String)
SaveToFile saves the
current image to a file. The method uses the SaveToStream
procedure to save the image.
See
also:
SaveToStream
LoadFromFile
LoadFromStream
| TPNGImage.RegisterChunkClass |
TChunkType = Array[0..3] of
Char;
TChunkClass = class of TChunk;
procedure RegisterChunkClass(ChunkType: TChunkType;
ChunkClass: TChunkClass)
This procedure will
probably not be used. It is used mainly internally for upgrade reasons
to support new chunk types.
When the method TChunkList.Add(Stream:
TStream) is called, the procedure look for registered chunk classes
by this method in an internal chunk list. If the chunk read is
registered, it will create a new chunk class based on the registered to
do special work when the class is being saved or readed.
To create a new class
it is necessary to declare a class based on TChunk and in the ChunkType
field use a name with 4 letters.
The Portable
Graphics Network have some conventions when naming new chunks:
|
Letter |
What
means if the letter case is: |
|
Uppercase |
Lowercase |
|
1 |
The chunk is
critical to the image be decoded |
The chunk is not
critical to the image be decoded. |
|
2 |
The chunk is public
and is in the PNG specification. |
The chunk is private
and is used only by a specific application. |
|
3 |
Must be in uppercase. |
Can not be in
lowercase. |
|
4 |
The chunk is safe to
be copied in case there is any modification in the image. |
The chunk should be
removed in case there are any modifications in the image. |
In the new class created it is possible
to modify the procedures Assign, SaveToStream
and DoAction using override in the declaration to add
specific actions when the chunk is copied, saved or readed.
procedure
Assign(Source: TPersistent)
The Assign procedure
copies the content from another TPNGImage or derivates from TGraphic as
TBitmap, TJPEGImage.
Example
on how using the procedure.
{The method
bellow convert from TJPEGImage}
{to TPNGImage and saves the file. Include }
{jpeg in the application uses}
var
JPEG:TJPEGImage;
PNG :TPNGImage;
begin
JPEG := TJpegImage.Create;
PNG := TPNGImage.Create;
try
JPEG.LoadFromFile('Picture.JPG');
PNG.Assign(JPEG);
PNG.SaveToFile('Picture.PNG');
finally
JPEG.Free;
PNG.Free;
end;
end;
property
Chunks: TChunkList;
Use the Chunks
property to have direct access to all the chunks from the TPNGImage.
Chunks are "pieces" of essential and non essential information
for the image. For instance, the IHDR chunk contains information about the
image size, color type, interlace, type, etc...
The IDAT chunk contains the image itself and will be decoded
automatically.
The IEND chunk indicates the end of the file.
TEncodeFilter
= (efNone, efSub, efUp, efAverage, efPaeth))
TEncodeFilterSet = set of TEncodeFilter
property Filter: TEncodeFilterSet;
The filter property
indicates which filters will be applied before the image is compressed.
It is allowed to set the property as Filter := [efNone, efSub,
efUp, efAverage, efPaeth] to always make sure to use the best filters to
each line (with a performace loose).
Each line in the PNG
may use a different filter, and the encoder will test all the filters in
the property to test which one is better.
TProgressStage
= (psStarting, psRunning, psEnding)
TProgressEvent = procedure (Sender: TObject; Stage: TProgressStage;
PercentDone: Byte; RedrawNow: Boolean; const R: TRect; const Msg: string)
of object;
property OnProgress: TProgressEvent
The OnProgress event
receives progress information as the image is being decoded. This event
is useful for displaying the image progressively.
For more information
about this event, take a look on the Delphi Help (TGraphic.OnProgress).
Example
on how using the event:
{The method
bellow reads an images and }
{display it as it is being
readed }
procedure TForm1.Progresso(Sender: TObject; Stage:TProgressStage;
PercentDone: Byte; RedrawNow: Boolean; const R: TRect; const Msg:
string
var
PNG: TPNGImage;
begin
PNG := TPNGImage(Sender);
{If it is a TPNG image we can show it progressive}
if (PercentDone mod 5 = 0) and
(TChunkIHDR(PNG.Chunks[0]).Interlaced = 0) then
begin
BitBlt(Canvas.Handle, (Width - PNG.Width) div 2,
((Height - PNG.Height) div 2) + LastPos,
R.Right, R.Bottom - LastPos,
PNG.Canvas.Handle, 0, LastPos, SRCCOPY);
LastPos := R.Bottom;
end
else if (TChunkIHDR(PNG.Chunks[0]).Interlaced = 1) then
Canvas.Draw((Width - PNG.Width) div 2,
((Height) - PNG.Height) div 2, PNG);
end;
Application.Processmessages;
end;
Mananges
all the chunks in the image
The TChunkList
component allows access to all the chunks in the image. Using methods in
this component allows to access, add, remove and manage all the chunks.
Chunks are "pieces"
of essential and not essential information for the image. For instance,
the chunk IHDR contains information about the image dimension, color
type, interlace type, etc...
The chunk IDAT contains the image itself and it will be decoded
automatically.
The IEND chunk indicates the end of the file.
function
Add(Item: TChunk): TChunk;
This Add declaration
add an existent chunk to the end of the list. Although this item must
exist. It will return the same item from the parameter.
function
Add(ChunkClass: TChunkClass): TChunk;
This declaration
creates a new item using the class from the parameter and add it to the
list. It will return the item created.
ex:
PNG.Chunks.Move(PNG.Chunks.Add(TChunkTEXT).Index,
PNG.Chunks.Count - 2);
function
Add(Stream: TStream): TChunk;
This declaration of
the Add method is only used internally. It reads the chunk from the
Stream and add the item to the list. The function returns the chunk
created from the Stream.
procedure
Clear;
This method clears all
the items in the list. It is not recommended to call this method unless
you intend to create the essential chunks before saving the image.
function
IndexOf(Chunk: TChunk): Integer
This declaration of
IndexOf returns the position of the chunk in the parameter. If it is not
in the list, it will return -1.
function
IndexOf(ChunkClass: TChunkClass): Integer
This declaration of
IndexOf returns the position of the first chunk with the specified class
in the parameter. If none item is found, it returns -1.
procedure
Move(Index1, Index2: Integer)
The procedure Move
moves the position of a chunk in the list. Index1 is the position of the
chunk to move and index2 is the new position.
property
Count: Integer;
The property chunk
returns the number of chunks in the list.
property
Item[Index: Integer]: TChunk
The property Item
returns a chunk from the list. As the property is default, it is
possible to access this property with TChunkList object, ex:
PNG.Chunks[0].Index.
Its also possible to
typecast the returned chunk to access it specific property in case there
is a known derived chunk class.
Exemplo
de uso do método.
{The method
bellow, looks for the first }
{TEXT chunk and shows it contains
}
procedure Exibe(Arquivo:
String);
var
PNG: TPNGImage;
POSI: Integer;
TEXT: TChunkTEXT;
begin
PNG := TPNGImage.Create;
PNG.LoadFromFile(Arquivo);
POSI := PNG.Chunks.IndexOf(TChunkTEXT);
If POSI = -1 THEN
begin
showmessage('There are no TEXT chunk in the image.');
exit;
end;
TEXT := TChunkTEXT(PNG.Chunks[Posi]);
showmessagefmt('Keyword: %s%s Valor: %s',
[TEXT.Keyword, #13#10#13#10, TEXT.text]);
PNG.Free;
end;
property
Owner: TPNGImage
The property returns
the TPNGImage owner that contains this TChunkList.
Class
for unknown chunks or base class for known
This class contains
information for a chunk in the image. There are various classes
that derivates from TChunk like TChunkIHDR, TChunkIDAT, TChunkTEXT,
etc... that are implementations for known chunks. You may use typecast
the TChunk to access declared methods and properties from the derivate
classes.
It is not necessary to
access the TChunk and derivates unless you need to access specifics
operations from the Portable Graphics Network format.
All the data from the
stream are declared in the "Stream", a
protected property that allows direct access to the data. Only
descendents classes may access this property and it is intended to be
used in the creation of new TChunk classes.
procedure
Assign(Source: TPersistent); virtual;
This method is used
internally to copy the contents from another chunk with the same class
into the current one.
In case you are
creating a descendent class from TChunk is recommended to override this
class to copy additional properties that the class may store.
procedure
DoAction; virtual;
The DoAction method is
automatically for each chunk as soon as the decoder finishes reading all
the chunk. This procedure is declared as protected and may only
be accessed by TChunk descendent classes.
When creating a new
TChunk class it is essential to override this method if the chunk
modifies the image.
procedure
SaveToStream(Stream: TStream); virtual;
The method
SaveToStream saves the chunk content in a stream. This method is
normally used internally and may be overridden in descendents TChunk
classes to make additional operations (usually cleaning the Stream and writing
the code all over again). The method calculates and add the CRC code
automatically.
TChunkType
= Array[0..3] of Char
property ChunkType: TChunkType
The property returns
the chunk kind for the current chunk.
property
Index: Integer
The property index,
returns the position of the current chunk from the list in the TChunkList
owner.
property
Size: Integer
The property size
returns the size of the stream (Stream.size), which is the chunk data.
property
Stream: TMemoryStream
The stream property is
declared as protected in the TChunk declaration meaning it can't be
accessed directly, but only from descendents of TChunk.
The property gives
direct access to the Chunk contents and may be modified normally as a
TMemoryStream (see Delphi Help).
This property is
important only to create new chunk types as it gives access to the data.
property
Owner: TChunkList
The owner property
returns the TChunkList that contains the current chunk.
| TChunkGamma
> TChunk > TObject |
Controls
the image color intensity
The chunk gamma (gAMA),
defines the intensity for the output. As in different operational
systems, or in different environments, the intensity of the same RGB
color may be different, the Portable
Graphics Network specification defines a chunk gAMA to correct the
intensity. The decoder already do all the work when it is decoding the
image, but it is possible to get the value calling the property value.
property
Value: Cardinal
The property Value,
returns the Gamma value from the chunk. To calculate the real value, you
should divide the value from this property by 100000
(using an appropriate variable kind like double, float, real...)
TChunkText
> TChunk > TObject
TChunkZTXT > TChunk > TObject |
Contain
additional text information about the image
The difference between
the chunks TChunkText (tEXT) and TChunkZTXT (zTXT) is that the second
one is compressed meaning that, if the text is large, it will use less
memory.
Booth the chunks have
the same properties and they are used to add extra comments to the image
(like in GIF), such as the image creator, etc..
TChunkText.Keyword
TChunkZTXT.Keyword |
property
Keyword: String
The property Keyword
indicates the meaning of the field value. For
instance, let's suppose you want to put a comment on how the image was
created. You could then put "Image creation" on the Keyword
field.
TChunkText.Value
TChunkZTXT.Value |
property
Value: String
The Value property
indicates the text value for the keyword. There are no limits for the
size, but it is recommended to use the TChunkZTXT in case the text is
big.
| TChunkPLTE>TChunk>TObject |
Palette
for indexed mode or recommended palette
The TChunkPLTE
(PLTE) palette is critical in case the color mode is indexed (each pixel
indicates a palette index). It contains the possible colors that the
pixels may use.
In case the color mode is RGB, the palette is a recommended palette to
use.
property
Palette: HPalette
This is a read-only
property. This property creates a palette using WIN32API and returns its
handle (hPalette).
To modify the paletty being used by the current image, it is necessary
to change the property Palette from the TPNGImage. (what requeries
creating a new palette using WIN32API).
This method is used
main internaly and it does not always correspond to the current palette
used by the images. It is recommended to use the property Palette from
TPNGImage.
| TChunkIHDR
> TChunk > TObject |
Contains
important information about the image
TChunkIHDR (IHDR) is obligatorily
the first chunk in the image and contains information about the image
dimension, the color mode, interlace type, compression method, and set
of filters.
Although most of the
properties are transfered to the TPNGImage, some information from this
chunk may have some importance.
Modification in this
chunk does not modify the image and they will be overriden when the
image is saved.
property
BitDepth: Byte
This property
indicates how many bits each sample has.
If ColorType
value is Palette, this property can be 1, 2, 4 or 8. This means that
each pixel will have this number of bits.
In case the image is
Grayscale, this property may be 1, 2, 4, 8 or 16. If the value is 0, the
pixel color is black, if the value is 2^BitDepth, the color is white.
In case the ColorType
is RGB, this property can be 8 or 16, and each pixel has 3 values with
the number of the bits corresponding the bitdepth. The values indicates
Red, Green, Blue, or known as RGB. The mix of these 3 values results in
almost any color.
In case the image is
RGBALPHA or GRAYSCALEALPHA, the value can be 8 or 16. RGBALPHA works
like RGB, but with an extra value, alpha, indicating the transparency.
The same thing happens with GRAYSCALEALPHA and GRAYSCALE.
Note: In case
the bitdepth is 16, it will be reduced to 8 due to incompability with
windows and with current video adpters. This although doesn't affect
visually the image.
property
ColorType: Byte
The colortype property
indicates the color mode being used in the current image. The supported
values are:
0 - (Grayscale) Means
that the image uses grayscale tons
1 - (RGB) Each pixel in the image has 3 values RGB
3 - (Palette) Each sample correspond to a palette color
4 - (GrayscaleAlpha) Grayscale with an alpha value
5 - (RGBAlpha) Pixel with 3 RGB values and one alpha
property
Compression: Byte
There is currently
only one possible value for this property, 0. As in Portable
Graphics Network specification it means that the image uses ZLIB
compression method for compressing the images. It was added for future
expansions in PNG.
property
Filter: Byte
This property
indicates the set of filters, that are operations made to the image
bytes before it is compressed, to get a better compression.
Currently, only the
value 0, adaptive filtering with 5 basic filters is supported by PNG
specification. In case the decoder finds any other value, it will report
an error.
property
Height: Cardinal
Returns the image
height (pixels). It is not recommended to use this value because it will
not be updated when the image is changed.
To get the Height, use
the property TPNGImage.Height.
property
Interlaced: Byte
The interlaced
property in the current PNG specification provides two values:
0 - No interlacement
is used
1 - ADAM7 interlacement
Interlacing is a
technique used to show the image contents progressively in a better way
using a different transmission method.
property
Width: Cardinal
Returns the width
(pixels) from the readed image. It is not recommended to use this value
because it value will not be updated when the image is changed.
To get the Width, use
the TPNGImage.Width property.
| TChunkIDAT
> TChunk > TObject |
Contain
the file image
The TChunkIDAT (IDAT)
is the main chunk and contains the compressed image. This chunk is
decoded automatically by TPNGImage decoder.
| TChunkIEND
> TChunk > TObject |
End
of the file
The IEND chunk
indicates the end of the PNG file.
|


Quadrilaterals!
something here
Authors
潘毅铃 Pan Yiling
肖剑楠 Xiao Jiannan
周伯威 Zhou Bowei
GitHub page
link


THTMLParser v1.2
THTMLParser is a delphi class to parse a HTML file.
The file will be split into tags, text, script, and comment
objects (useful for validating tags or for automatic code corrections).
Sample file included (very simple web browser!).
Supports HTML4.0
How to use the HTMLParser
Create an instance of HTMLParser with
HTMLParser:=THTMLParser.Create;
then load a HTML file, e.g.
HTMLParser.Memory.LoadFromFile(FileName)
whereas Memory is a normal TMemoryStream.
With
HTMLParser.Execute;
the file will be parsed into HTMLParser.Parsed
this TList consists of objects derived from 4 classes: THTMLText, THTMLTag, THTMLServerScript and THTMLComment
which defined as following:
TOnHTMLParseError = procedure (const ErrorInfo,Raw: String) of object;
THTMLItem = class
private
fPosition: Integer;
fLength: Integer;
function GetItem: String;
procedure SetItem(Const Position,Length: Integer);
end;
THTMLParam = class
private
fRaw: THTMLItem;
fKey: THTMLItem;
fValue: THTMLItem;
function GetRaw: String;
function GetKey: String;
function GetValue: String;
public
constructor Create;
destructor Destroy; override;
published
property Key: String read GetKey;
property Value: String read GetValue;
property Raw: String read GetRaw;
end;
THTMLTag = class
private
fOnHTMLParseError: TOnHTMLParseError;
fName: THTMLItem;
fRaw: THTMLItem;
function GetName: String;
function GetRaw: String;
procedure SetName(const Position,Length: Integer);
public
Params:TList; //Maybe is nil !!!
constructor Create;
destructor Destroy; override;
published
property Name: String read GetName; // uppercased TAG (without <>)
property Raw: String read GetRaw; // raw TAG (parameters included) as read from input file (without<>)
end;
THTMLText = class(THTMLItem)
private
function GetText: String;
published
property Text: String read GetText;
end;
THTMLComment = class(THTMLItem)
private
function GetComment: String;
published
property Comment: String read GetComment;
end;
THTMLServerScript = class(THTMLItem)
private
function GetScript: String;
published
property Script: String read GetScript;
end;
THTMLParser = class(TObject)
private
fOnHTMLParseError: TOnHTMLParseError;
LastTagName: String;
LTPos,GTPos,LastGTPos: Integer;
procedure Init;
procedure Final;
procedure AddText;
procedure AddTag;
public
parsed:TList;
Memory: TMemoryStream;
constructor Create;
destructor Destroy; override;
procedure Execute;
published
property OnHTMLParseError: TOnHTMLParseError read fOnHTMLParseError write fOnHTMLParseError;
end;
Example
The HTML file
<html>
<BODY LINK="#FF00FF" border=0>
Hello You & Go!
</html>
will result in 4 objects (HTMLParser.Parsed.Count=4):
[0] HTMLTag.Name = "html"
.Params.count = 0
[1] HTMLTag.Name = "BODY"
.Params.count = 2
[0] HTMLParam.Key = "LINK"
.Value = "#FF00FF"
[1] HTMLParam.Key = "border"
.Value = "0"
[2] HTMLText.Line = "Hello You & Go!"
[3] HTMLTag.Name = "/html"
.Params.count = 0
Comments and Bugs
Please send any comments or bugs to
<EMAIL_ADDRESS>Important!
Please do NOT report any bugs considering this WebBrowser sample!
This sample is not meant as a full HTML compatible browser, indeed it is
programmed to show this help file only.
©2001.11.6 Nengwen Zhuo


Uses of Package
org.apache.sis.measure
-
Packages that use org.apache.sis.measure Package Description org.apache.sis.coverage Functions that associates positions within a bounded space (its domain) to values (its range).org.apache.sis.image Provides helper classes for handling Java2D rendered images together with some operations.org.apache.sis.math A set of mathematical objects and algebraic utilities.org.apache.sis.measure Units of measurements, values related to measurement (like angles and ranges) and their formatters.org.apache.sis.metadata.iso Root package for ISO 19115 metadata about resources (data or services).org.apache.sis.metadata.iso.acquisition Information about the measuring instruments, the platform carrying them, and the mission to which the data contributes.org.apache.sis.metadata.iso.content Description of the dataset content.org.apache.sis.metadata.iso.distribution Information about the options for obtaining a resource (data or service).org.apache.sis.metadata.iso.extent Information about spatial, vertical, and temporal extent.org.apache.sis.metadata.iso.identification Information to uniquely identify the data or service.org.apache.sis.metadata.iso.lineage Information about the sources and production processes of a dataset.org.apache.sis.metadata.iso.spatial Information about the mechanisms (grid or vector) used to represent spatial data.org.apache.sis.parameter Descriptions and values of parameters used by a coordinate operation or a process.org.apache.sis.referencing.cs Coordinate System (CS) definitions as the set of coordinate system axes that spans the coordinate space.org.apache.sis.referencing.operation.builder Helper classes for creating Math Transforms from a set of points.org.apache.sis.storage Data store base types for retrieving and saving geospatial data in various storage formats.org.apache.sis.util.collection Addition to the collection framework. -
Classes in org.apache.sis.measure used by org.apache.sis.coverage Class Description MeasurementRange A range of numbers associated with a unit of measurement.NumberRange A range of numbers capable of widening conversions when performing range operations. -
Classes in org.apache.sis.measure used by org.apache.sis.image Class Description NumberRange A range of numbers capable of widening conversions when performing range operations. -
Classes in org.apache.sis.measure used by org.apache.sis.math Class Description NumberRange A range of numbers capable of widening conversions when performing range operations. -
Classes in org.apache.sis.measure used by org.apache.sis.measure Class Description Angle An angle in decimal degrees.AngleFormat Parses and formats angles according a specified pattern.AngleFormat.Field Constants that are used as attribute keys in the iterator returned fromAngleFormat.formatToCharacterIterator(Object)
.AngularVelocity The rate of change of an angular displacement with respect to time.ElevationAngle The angular height of an object measured from the horizontal plane.MeasurementRange A range of numbers associated with a unit of measurement.NumberRange A range of numbers capable of widening conversions when performing range operations.Range A set of minimum and maximum values of a certain class, allowing a user to determine if a value of the same class is contained inside the range.RangeFormat Parses and formatsRange
instances according the given locale.RangeFormat.Field Constants that are used as attribute keys in the iterator returned fromRangeFormat.formatToCharacterIterator(Object)
.Salinity The Practical Salinity Scale (PSS-78).UnitFormat Parses and formats units of measurement as SI symbols, URI in OGC namespace or other symbols.UnitFormat.Style Identify whether unit formatting uses ASCII symbols, Unicode symbols or full localized names.ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.metadata.iso Class Description ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.metadata.iso.acquisition Class Description ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.metadata.iso.content Class Description ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.metadata.iso.distribution Class Description ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.metadata.iso.extent Class Description MeasurementRange A range of numbers associated with a unit of measurement.Range A set of minimum and maximum values of a certain class, allowing a user to determine if a value of the same class is contained inside the range.ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.metadata.iso.identification Class Description ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.metadata.iso.lineage Class Description ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.metadata.iso.spatial Class Description ValueRange The range of values assignable to a field, or to a JavaBean property. -
Classes in org.apache.sis.measure used by org.apache.sis.parameter Class Description Range A set of minimum and maximum values of a certain class, allowing a user to determine if a value of the same class is contained inside the range. -
Classes in org.apache.sis.measure used by org.apache.sis.referencing.cs Class Description Angle An angle in decimal degrees. -
Classes in org.apache.sis.measure used by org.apache.sis.referencing.operation.builder Class Description NumberRange A range of numbers capable of widening conversions when performing range operations. -
Classes in org.apache.sis.measure used by org.apache.sis.storage Class Description Range A set of minimum and maximum values of a certain class, allowing a user to determine if a value of the same class is contained inside the range. -
Classes in org.apache.sis.measure used by org.apache.sis.util.collection Class Description Range A set of minimum and maximum values of a certain class, allowing a user to determine if a value of the same class is contained inside the range.


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Just so you have something to do when we activate spell checking:
The document that yu are reading now intentionaly containes some errorz, so that you have something to corect ;-)


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Relief for Delhi-NCR as air quality improves to 'very poor' category
Gurgaon, Faridabad, Noida and Ghaziabad too recorded 'very poor' overall air quality
by BS Web TeamIn a major relief for the residents of Delhi-NCR, the air quality on Wednesday morning further improved. The air quality index in the national capital dropped from yesterday's 365 to 356 at 6:30 am. The Ministry of Earth Sciences' air quality monitor, SAFAR, said, "The AQI is back to 'very poor' category after rapidly recovering from 'severe' largely due to faster boundary layer winds (40 kmph)."
Gurgaon, Faridabad, Noida and Ghaziabad too recorded 'very poor' overall air quality.
An AQI between 0-50 is considered good, 51-100 satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor, and 401-500 severe. Above 500 is severe-plus emergency category.
The AQI of four places in and around Delhi has been provided in the table given below.
| Place | PM2.5 | PM10 |
|---|---|---|
| Noida | 412 | 350 |
| Gurugram | 389 | 240 |
| Dwarka | 329 | 191 |
| Mathura Road | 355 | 274 |
The India Meteorological Department said winds gusting up to 25 kmph were flushing out pollutants faster.
"There are good chances of rains in northwest India on Wednesday night and Thursday due to a western disturbance. The precipitation will cover Delhi-NCR, Jammu and Kashmir, Himachal Pradesh, Uttarakhand, Punjab, Haryana, Rajasthan and western Uttar Pradesh," head of IMD's regional weather forecasting centre of Kuldeep Srivastava, said.
Taking a grim view of the surge in pollution levels, the Supreme Court on Monday slammed authorities for failing to curb pollution in Delhi-NCR and said they have left people to die.
Passing a slew of other directions to prevent the rise in air pollution levels, it imposed a fine of Rs 1 lakh on anyone carrying out construction and demolition activity in Delhi-NCR, and a fine of Rs 5,000 on offenders involved in garbage or waste burning. The Bench said it had “no sympathy for farmers indulging in it (stubble burning) as they are putting lives of others at risk”.
The odd-even scheme, which kickstarted on Monday has entered Day 3 with only even-numbered non-transport vehicles allowed on Delhi roads. The ruling Aam Aadmi Party (AAP) has claimed that due to the odd-even rule, 15 lakh vehicles have been taken off the road.


|
By December Karen was getting better but still not completely over her ordeal - she still had a gall bladder which was causing her problems (including being re-admitted to hospital later on), and she had contracted MRSA as well as having pneumonia! The MRSA was especially harrowing as it meant restrictions on seeing Dylan, so the nurses kept Polaroid's of her. Dylan was now off the respirator but still on aided breathing - he was put on a course of CPAP, and had to spend a certain amount of time with breathing apparatus strapped to his head, which he (often) managed to remove. Not looking best pleased..... |
|
Over November we got to know the little baby in the next incubator, also called Dylan. Not only that, but he was born an hour before our Dylan, at the same age (28 weeks). We found this coincidence strange, and they kepy happening (both grandmothers coming from Tipararee in Ireland for example). Dylan trying to sleep whilst being protected by one of his legions of soft toys... |
|
Towards the end of November mum was getting a lot better but still poorly. She now had to have an operation to remove the offending gall bladder, which we were all apprehensive about. Dylan was getting better, but we also had a few scares - we were warned before hand that the first few weeks are very up and down, and they were not wrong! One day he would look good and be a little alert, then he would look very tired, sickly and have a temperature - we coped as best we could but it was emotionally very difficult. Dylan looking peaceful... |
|
We were told by the senior paedratition that Dylan had a couple of issues that they needed to look at closely. Firstly, during the birth he had suffered bleeding in his brain which was causing fluid to build up and swell the ventricles of the brain. They sat down with us and tried to explain the best they could what it all meant and what the chances were....it was probably one of the hardest things we have both been put through.... Dylan looking a little de-schevelled... Even though Dylan is so small, the nurses in the neo natal unit encouraged us to help with his "cares" (changing, cleaning, feeding, etc) and to cuddle him by taking our shirts off and giving him skin to skin contact, or as its called in the trade, Kangaroo care. With him being so small, we were very timid initially, as he seemed SO tiny and SO fragile, but eventually we became more confident. The scary part was unhooking, unclipping all his cables and making sure they weren't tangled as we took him out or put him back.... Father and Son... Mother and Son... Son... |
Dylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy Dylan Dylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy DylanDylan Sueiras Bob Dylan Dylan Baby Dylan Sueiras Murphy Dylan


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To mend the choirs above,
A waefu' day it was to me!
O had I the wings of a dove
She thought again, and did agree
Warble immortal notes and Tuscan air?
Untwisting all the chains that tie,
Of that colossal wreck, boundless and bare,
His body dwindled and awry.


title = "Accounts" url = "/accounts" layout = "default" description = "The user area (Registration and Login)" is_hidden = 0 [account] paramCode = "code" forceSecure = 0 ==


A new domain will be set, please email<EMAIL_ADDRESS>for more info
Welcome to the Roblox Academy Website
Roblox Academy, made in 2017. The brand new redesigned website
About Roblox Academy


[3.5/4.0]
Bus depots are not cheerful places. Often the people found inside are down on their luck, running away, or just poor. It is appropriate that a bus station is the setting for this film. It is a story of people towing their emotional baggage through the dreary way-points of their lives, trying to reach a better destination.
Siblings Judith (Heather Matarazzo) and Wesley (Zach Braff) are in transit, both literally and figuratively. They have just returned from a visit with their uncommunicative, institutionalized mother Trix (Bebe Neuwirth). Now they are waiting at the depot for buses that will take them to different destinations.  Their father Darrell (Mark Blum) has severed all ties with them, so they are virtually orphans. As the story opens, it is clear that Wesley and Judith have had a difficult family life, although the nature of their problems is not initially specified. It is clear that the two of them have provided the support to each other that has been denied by their parents.
While waiting for the buses, Judith is approached by Jimmy (Michael Weston), who claims he went to high school with her. Since her family has moved so many times, Judith cannot recollect if she has ever seen Jimmy before. She initially tries to avoid him, but due to boredom and the desire to distance her from the studious and dour Wesley, she begins talking to Jimmy. Mostly she listens because it is difficult to out-talk the loquacious Jimmy. He says he likes to travel, and at the very least he demonstrates this by going to different places in all the stories he tells. He talks of some of the regulars in the station and also constructs the stories of other travelers whose conversations he has overheard.
The film is an adaptation of short stories by celebrated modern American author Joyce Carol Oates. It is based on three separate stories from the collection "Heat". Although in the book the three are not connected, screenwriter and director Lisanne Skyler weaves them together by having the characters voice them to each other. This clever technique allows the stories to be told in a context where they are relevant, and it also allows the characters to reveal themselves in the process of telling and interpreting the stories.
The story begins opaquely as the characters are wrestling with a past that is unexplained. However, as the narrative progresses, the events that shaped the individuals form. Through flashback, Judith and Wesley's family life is reconstructed and understood. Judith (and the viewer) slowly connects with Jimmy by listening as he reveals himself in the stories he tells, and as other characters in the bus station contribute their own stories about him. The siblings are at an important time in their lives. As children they have always been together and relied on each other, but they are becoming adults, they are going their separate ways. The film captures the essence of their struggle, how people cope with difficulty, and how life experiences shape them and influence their decisions.
The film is not flawless. The drama is sometimes forced, and it sometimes feels the need to explicitly reveal events and situation that have already been implied. This is especially true as Jimmy is understood. Everything that needs to be understood about Jimmy is revealed indirectly in the stories and other conversations, so when his character is explicitly uncovered, it feels redundant. However, these flaws are easily forgivable because so much of the story is done right. One of the main themes is about using storytelling as a means of traveling, not to distant places, but to the interior of both the storyteller and the listener.
Highly recommended. The film is both well written and well acted. The narrative adeptly cuts between multiple stories and flashbacks without feeling disjointed or obtuse. Although it is not a cheerful film, it is compelling and engaging, and well worth seeing.
(c) 1999 Murali Krishnan The Art House Squatter http://ArtHouseSquatter.com
Sent via Deja.com http://www.deja.com/ Before you buy.
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rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
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12
1 Then something very important appeared in the sky. It was a woman, whose clothing was the sun. The moon was under her feet. On her head was a wreath of victory that was made of twelve stars.
2 She was about to deliver a child, and she cried out because she was suffering pain.
3 Something else very unusual appeared in the sky. It was a huge red dragon. It had seven heads and ten horns. On each of its heads was a royal crown.
4 The dragon's tail dragged a third of the stars from the sky and threw them to the earth. The dragon set himself in front of the woman who was about to give birth in order that he might eat her child as soon as it was born.
5 Then she gave birth to a son who is destined to rule all the people-groups with complete authority as if he were using an iron rod. God snatched away her child and took him to his throne.
6 But the woman fled into the wilderness. She has a place there that God has prepared for her in order that he may take care of her for 1,260 days.
7 Then there was a battle in heaven. Michael and the angels that he commanded fought against the dragon. The dragon and his angels fought back against Michael and his angels.
8 But the dragon did not win the battle; nor did God allow the dragon and his angels to stay in heaven any longer.
9 Instead, God threw the huge dragon out of heaven. The dragon is the ancient serpent, the one whose names are the Devil and Satan.  He was thrown to the earth along with all his angels.
10 Then I heard someone in heaven shout loudly,
"Now our God has saved his people by his power, and he rules all people!

The dragon accuses them day and night before our God.
11 Our fellow believers overcame him because the lamb had shed his blood and died for them
and because they spoke the truth about him to other people.
They did not seek to remain alive,
but were willing to let people kill them for speaking the truth about him.
12 So everyone in heaven should rejoice.

He is very angry because he knows that he has only a short time before God judges and punishes him."
13 When the dragon realized that he had been thrown down to the earth, he pursued the woman who had given birth to a son.
14 But God gave to the woman two wings like the wings of a very large eagle in order that she might fly into the wilderness. There is a place there that God had prepared for her. There God took care of her for three and one-half years. The serpent, that is, the dragon, was not able to reach her there.
15 Then the serpent poured water like a river from his mouth toward the woman in order to sweep her away with the water.
16 But the ground helped the woman by opening up and swallowing the river that the dragon poured out from his mouth.
17 Then the dragon was very angry with the woman, so he went away to fight against the rest of her descendants. They are the people who obey God's commandments and who speak the truth about Jesus.
18 Then the dragon stood on the ocean shore.


Technical Due Diligence (TDD)
Rationale
Technical Due Diligence (TDD) is an engineering management process for evaluation and assessment on operation and condition of assets of engineering systems (e.g. buildings, industrial plants, factories). TDD can be considered as a simple application of the Asset Management Framework.
- Buy/Acquire the property
- Execute an intervention strategy/program for the targeted engineering systems at a set of points in time
TDD is usually done in a quick fashion by a team of a few senior engineers and specialists who understand the targeted engineering systems. The team will normally visit the site/office to perform visual inspection and desktop study on historical records (e.g. as-building drawings, O&M manual, corrective and intervention intervention logbooks). In some case, the work might also involve physical testings for a certain level of audit.
a TDD work is carried out by implementing a methodology involved assessment on
- Functional
- Technical
- Quality
- Operational
The figure below gives a quick snapshot on how to deliver the work.
In many cases, Clients might extend a TDD service to include legal and commercial aspects.
Example
In an effort to automate the TDD process in my company (Arcadis), I used R to code real examples for a few number of Clients (including a Global Investment Captical Firm and a Japanese company with its main business in railway but wanna to expand into reestate business in the Philippines)
Three major projects I worked for these two Clients involves
- TDD and EDD for Hanjin Shipyard in Subic. This shipyard is one of the biggest one in the world. The owner Hanjin has been in bankrupcy since 2018. Till the early 2020, it has been closed, resulting the lost of employment for about 25,000 workers. This job was for a Capital Investment Firm.
- TDD and asset management study for a 30 storey building in Bonifacio Global City (BGC) (a Japanese railway firm)
- TDD and asset management for estate water facilities for Manila Water
Exammple in below link is a fictive one with values being generated randomly for demonstration purpose. The structure of data is of standard one for automation of TDD process.
Link to full article on example and R code for a Technical Due Diligence Study
Kindly leave your comments in this page after reading the article. Thanks!
Reading Materials
Some good articles on TDD are


The SXLI record stores an array of variable-length SXLI structures, which describe the row and column items in a PivotTable. There are two SXLI records for each PivotTable: the first stores row items, and the second stores column items.
Record Data
|
Offset |
Name |
Size |
Contents |
|
4 |
rgsxli |
var |
Array of SXLI structures |
The SXLI structure has variable length but always is at least 10 bytes long, with one element in the rgisxvi array (the index to the SXVI record for the item). The SXLI structure is shown in the following table.
|
Offset |
Name |
Size |
Contents |
|
0 |
cSic |
2 |
Count of items identical to the previous element in rgsxvi ; for 0< =i< cSic , rgisxvi[i] is the same as the previous line. |
|
2 |
itmtype |
2 |
Item type: XL9: =0Eh, blank line |
|
4 |
isxviMac |
2 |
Maximum index to the rgisxvi[i] array. |
|
6 |
grbit |
2 |
Option flags; see the following table. |
|
8 |
rgisxvi |
2 |
Array of indexes to SXVI records; the number of elements in the array is (isxviMac+1) . |
The grbit field contains the following flags:
|
Bits |
Mask |
Name |
Contents |
|
0 |
0001h |
fMultiDataName |
=1, use the data field name for the subtotal (instead of using “Total”). |
|
8–1 |
01F7h |
iData |
For a multidata subtotal, iData is the index to the data field. |
|
9 |
0200h |
fSbt |
=1, this item is a subtotal. |
|
10 |
0400h |
fBlock |
=1, this item is a block total. |
|
11 |
0800h |
fGrand |
=1, this item is a grand total. |
|
12 |
1000h |
fMultiDataOnAxis |
=1, this axis contains multi-data. |
|
15–13 |
E000h |
(Reserved) |
Reserved; must be 0 (zero). |


Check Attachments By employee For reimbursement(eg, receipts, tickets and hotel reservations). Always Under Budget
Attachments
| File name | Date | Description | Amount | Currency used | Action |
|---|---|---|---|---|---|
|
{{file.filename}} |
{{file.datef}} |
{{file.description}} |
{{file.amount}} |
{{file.currency1}} |
Download |


26 September 2018
This post is about chapter 4 of Search Inside Yourself and reflecting upon it
What is the relationship between mindfulness and self awareness?
Mindfulness and self awareness are very similar. Where being self aware is being aware of the moment, being mindfull is to be aware of the moment in a particular way. Like being tidy vs being organised.
Try at least one of the self awareness practices from the chapter (Body Scan, Journaling). What was your experience of it? How did you feel?
I tried the body scan, but I am not feeling how well it will work. I do think this is a practise that needs to be performed multiple times at different times throughout your day (after work, when you wake up, after having dinner, etc). I think different states of your body will give you different outcomes of the scan. One time only gives me a snapshot of what my body is currently is experiencing making it "normal".
On the journaling part I have 1 habit I tend to do at least once a year: I write a letter (a note in Evernote) to myself with what has happened the past few weeks/months. This can be major events or small ones, but tend to be memorable. Once I have finished the letter I add a reminder to look at it in a year to date. When it is the next year, I find it nice to read what my thoughts were and if I have progressed from my situation since. Although I often find it memorable it can also help as a slap in the face to do something if it has not progressed since....
What did you take away from the "My Emotions are Not Me" section?
Emotions can be tamed, but I am not sure how I feel about / can rationalise that. I understand that your emotions do not depict who you are but are a part of your being and that you can choose to show, comfort or suppress them. Does this mean that controlling ones emotion does not have any impact on your self awareness? I assume that the mind still needs to process this emotion one way or another (maybe through journaling?).


--- ---
Warning: this tip is obsolete. It applies only to Delphi 3 through to Delphi 7 which used the WinHelp system. WinHelp is obsolete and will not run on Windows 10.
Despite what it says in Delphi's documentation, to add component help simply follow these instructions.
Add the help file's location to
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Help
To add
C:\Program Files\Borland\Delphi4\Help\MyHelp.hlp
to the registry insert a value named MyHelp.hlp, with the above path as the value.
Open
C:\Program Files\Borland\Delphi4\Help\delphi4.cnt
and add the following entry to the end of the file's index section:
:Index My Help Title=MyHelp.hlp
Open
C:\Program Files\Borland\Delphi4\Help\delphi4.cfg
Add the following line to the end of the file:
:Link MyHelp.hlp
Then add
:Include Delphi4.cfg
to your contents file (MyHelp.cnt
).


Module druid.drag
Component to handle drag action on node.
Drag have correct handling for multitouch and swap touched while dragging. Drag will be processed even the cursor is outside of node, if drag is already started
Functions
| init(node, on_drag_callback) | Drag component constructor |
| set_click_zone(zone) | Strict drag click area. |
Tables
| Events | Component events |
| Fields | Components fields |
| Style | Component style params. |
Functions
- init(node, on_drag_callback)
-
Drag component constructor
Parameters:
- node node GUI node to detect dragging
- on_drag_callback function Callback for ondragevent(self, dx, dy)
- set_click_zone(zone)
-
Strict drag click area. Useful for
restrict events outside stencil node
Parameters:
- zone node Gui node
Tables
- Events
-
Component events
Fields:
- on_touch_start druid_event (self) Event on touch start
- on_touch_end druid_event (self) Event on touch end
- on_drag_start druid_event (self) Event on drag start
- on_drag druid_event (self, dx, dy) Event on drag progress
- on_drag_end druid_event (self) Event on drag end
- Fields
-
Components fields
Fields:
- is_touch bool Is component now touching
- is_drag bool Is component now dragging
- can_x bool Is drag component process vertical dragging. Default - true
- can_y bool Is drag component process horizontal. Default - true
- x number Current touch x position
- y number Current touch y position
- touch_start_pos vector3 Touch start position
- Style
-
Component style params.
You can override this component styles params in druid styles table
or create your own style
Fields:
- DRAG_DEADZONE number Distance in pixels to start dragging (default 10)


You are viewing an historical archive of past issues. Please report new issues to the appropriate project issue tracker on GitHub.
Comments
-
anonymous
Created , edited
i have the same problem
installed CommandT with pathogen and :CommandT crashes with
Vim: Caught deadly signal SEGV Vim: Finished. Segmentation fault
Installed ruby with rvm
nico@nibbler:~/.vim$ rvm list rvm rubies => ruby-1.9.2-p290 [ i386 ]
-
Greg Hurrell
In both cases it seems likely that the problem is due to a mismatch between the version of Ruby used to build Command-T and the one used to build Vim. (This has been the cause of every other reported case that I've seen.)
-
anonymous
i just tried out making Command-T with a ruby 1.8 version (1.8.7) but the problem still exists. ruby version 1.8 is displayed when i do vim --version | grep "ruby". (only 1.8, no further specification)
-
Greg Hurrell
Closing due to inactivity.
-
Greg Hurrell
Status changed:
- From: new
- To: closed
Add a comment
Comments are now closed for this issue.


Before Change
>>> mod = FirstDifferenceOLS.from_formula("y ~ x1", panel_data)
>>> res = mod.fit()
return super(FirstDifferenceOLS, cls).from_formula(formula, data, weights=weights)
class RandomEffects(PooledOLS):
r
After Change
>>> mod = FirstDifferenceOLS.from_formula("y ~ x1", panel_data)
>>> res = mod.fit()
parser = PanelFormulaParser(formula, data)
dependent, exog = parser.data
mod = cls(dependent, exog, weights=weights)
mod.formula = formula
return mod
class RandomEffects(PooledOLS):
r


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A couple days ago, my boyfriend, one of our friends, and I bought a sizeable amount of shrooms and decided to trip. My previous three experiences with shrooms had been beautiful beyond words, and this time, I wanted the experience to be as intense as possible, because I assumed that such a breathtaking experience could only get better if it were stronger. So instead of eating an eighth, like I had before, I decided to eat a quarter of an ounce.
The three of us went to a park which we thought would be a good place to trip. Already on the way to the park I could feel myself coming up, and by the time I got to the park drinking fountain, I was tripping. The last thing I remember clearly is lying facedown in the earth while claiming to be buried and seeing bright patterns when I closed my eyes (at this time, my friend and boyfriend were only starting to come up.)
After this my memory is a huge gap, despite the fact that I've been told we spent more than an hour at the park.
My memory of that day returns at the point when I vomited violently all over the grass. I had horrible stomach pains even after throwing up everything, and was still tripping hard, so I didn't remember I had eaten shrooms. I just kept thinking about how horrible my body felt, which led to thinking about how horrible the park looked, which led to thinking about how horrible life was and how I was a lousy excuse for a person. . .soon I was stuck in a frightening existential crisis, thousands of time more intense than anyone could possibly experience sober.
My two companions somehow got me in the car to take me to a friend's house to calm down. By that point I was seeing full-blown open-eye hallucinations--the world had been transformed into a vividly colored nightmare, with strange yellow spotted buildings and a purplish sky. I felt an uncontrollable paranoia--not of being caught or harmed, but a fear of myself, of the possibility that these thoughts about the disgusting unbearable nature of my life would keep multiplying, trapping me in my skull and driving me insane. . .I felt some spare change in my pocket and, only vaguely aware of what it was, decided to kill myself by swallowing it and choking to death. But then I was afraid that maybe death was an illusion and my consciousness would somehow survive. That scared me, so I decided to live.
When I finally started coming down--hours later--I was in my friend's bed, where my companions had put me hoping to calm me down. I had been tripping so hard, though, that I hadn't even been aware of their attempts to comfort me. I had only been able to experience the overwhelming inner world of despair and hallucinations. Even coming down was awful, since my recent aversion to reality made it hard to return to it. But when I finally did come down, everything was fine--I didn't have any residual paranoia or depression, which I'm thankful for, and in retrospect it's probably a blessing that I can't remember most of the trip.
So, the moral of the story is: as someone relatively inexperienced with shrooms, I'd stick with eighths; won't eat twice the normal dose.  An eighth of an ounce is fun, but doubling the amount does NOT double the fun.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


Tennis: Roger Federer says young guns catching up … but not just yet
by AAPAfter dominating tennis for so long, Roger Federer thinks the sport’s Big Three could face their toughest challenge yet from a new generation in 2020.
Federer’s 2019 season ended with a semi-final loss to Stefanos Tsitsipas on Saturday at the ATP Finals, having seen Novak Djokovic and Rafael Nadal eliminated in the group stage of the tournament.
Tsitsipas – the 21-year-old Greek making his ATP Finals debut – is among the up-and-coming talents that appear ready to finally end the unprecedented era of dominance by the famed trio of veterans.
Other youngsters at the season-ending tournament include defending champion Alexander Zverev at 22 and US Open runner-up Daniil Medvedev at 23.
However, it’s not the first time 38-year-old Federer has heard about a talented crop of young players taking over.
“It’s the same question every year at the end of the year,” he said.
“But does it feel like this year might be the best year yet?
“Possibly … But then I look at the list of who finished world No.1, who has been world No.1 all these years, and it’s just crazy that it’s always one of us.
But we are not getting any younger. So chances increase not because we are getting worse but because they are getting better.’’
Nadal clinched his fifth year-end No.1 title this week, putting him level with Federer and Djokovic.
Since 2004, the only other player to finish the year atop the rankings was Andy Murray in 2016.
In addition, the Big Three have won the past 12 grand slam titles between them.
Until one of the youngsters ends that streak, any talk of a generation shift is premature.
“Definitely it’s that next step they need,” Federer said.
“The only issue is that it seems like me, Novak and Rafa are healthy, healthier than maybe in previous years, as well.”
Zverev, for his part, is convinced that the new guard is ready to compete for majors.
“I think next year will bring a new grand slam champion,” the German said after his loss to Dominic Thiem in the second semi-final at the O2 Arena.
“You know, it can be Daniil, it can be Stefanos, it can be Dominic. I’m in the mix, as well, I hope.
“We’ll see what next year brings, but I think for the young guys it’s going to be an exciting year.”


--- layout: default title: Sketchbook class: sketchbook description: Web sketches by Alan Palazzolo ---
Collection of some quick web experiments; these are not cross-browser tested or optimized for multiple devices types.


Apart from the geomap widget, jQuery Geo comes bundled with functions to perform various operations on bounding boxes (a.k.a, bbox, the rectangle surrounding any geometry) and the geometries themselves. These functions (and two objects: WKT & proj) are all contained in the $.geo namespace.
Geometry isn't much fun if you can't do anything with it. These functions help you analyze and manipulate bounding boxes and GeoJSON geometry objects. You call them directly from the $.geo namespace, e.g.,:
$.geo.distance( point1, point2 )
Except for a few name changes and switching from an object-oriented API to a function-based one, jQuery Geo attempts to follow the names and behavior of the Java Topology Suite (JTS), which is the de-facto standard for geometry library APIs. JTS itself is an implementation of the OGC Simple Features specification but has made design decisions that improve the API for developers. The most notable of which is having Envelope (called bbox in jQuery Geo and GeoJSON) be its own class type.
These functions operate on GeoJSON bounding box array, i.e., a JavaScript array having four values:
These functions operate on GeoJSON geometry objects: Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and GeometryCollection. They do not operate on Feature or FeatureCollection objects, you have to call these functions on the geometry properties of Feature objects.
The geometry functions allow you to analyze relationships between geometries such as their distance apart as well as obtain information about them such as bounding box and center point, called the centroid. This section will eventually expand to cover all of the important spatial operations available in the Java Topology Suite.
These two objects are also on the $.geo namespace. $.geo.WKT is a static object to convert between GeoJSON formatted JavaScript objects and well-known text. $.geo.proj is an instance of a Projection that, by default, can convert between geodetic coordinates (longitude, latitude) and web mercator which is an X/Y coordinate system commonly used on the web.
Please note the difference in case between the two objects on the $.geo namespace. $.geo.WKT is all upper-case because it is static and patterened after the HTML5 global object named JSON, while $.geo.proj can be modified and is closer in concept to an instance property of an Object type, e.g., how the jQuery $.callbacks object is an instance of the Callbacks type.
While jQuery Geo uses JavaScript objects based on the GeoJSON spec, there are two commonly used formats to actually display those geometry objects as text: GeoJSON (i.e., the notation itself) and well-known text (WKT). The native JSON object helps you convert between JavaScript objects and GeoJSON. Our $.geo.WKT object helps you convert between JavaScript objects and WKT.
The $.geo namespace has a property named proj which is a JavaScript object having four functions: fromGeodetic, fromGeodeticPos, toGeodetic, and toGeodeticPos. These four functions allow all $.geo static bbox/geometry functions, geomap widget properties, geomap widget events & geomap widget methods (collectively referred to as plugin functions from now on) to work in geodetic (lon, lat) coordinates.


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Renting a bounce house for your party or event is a great way to assure that you and your guest have a great time. Kids go crazy when they pull up and see one of our jumper rentals set up waiting for them and parents love that our bouncers are clean and safe. Our bounce house rentals are anything but ordinary! We have a great selection of jumpers that will put a big smile on all the kid’s faces.
Whether you’re planning a birthday party, graduation party, family reunion, or just a backyard BBQ for friends and family. Cavanas Tent Rentals is sure to have a party tent rental package for your needs. We have a great selection of tents that will give your party an elegant and organized look
We have all the fun party rentals that will have all your guests enjoying the day, but it’s also important to remember the small details. We have Table & Chair Rentals that will give people a comfortable place to relax and enjoy the event. Your choice of tables and chairs determines the atmosphere of the event. Choose between rectangular tables or round tables.


class: nord-dark, center, middle .logo[![](images/docker-logo.svg)] # Grokking containers --- class: nord-dark, left, middle ## Why Docker? * A single *portable* artifact for app + dependencies regardless of language * Portable across dev/test/prod * Portable across AWS/Azure/GCP/Everyone else * Portable within AWS/Azure/GCP * Better division of labour: Devs build images, Ops run them. --- class: nord-dark, middle, left #### Directive on Service and Digital ##### Mandatory Procedures for Enterprise Architecture Assessment ### A.<IP_ADDRESS> Run applications in containers --- class: nord-dark, left, middle ## Docker built a nice DX around Linux Kernel features * Namespaces * Cgroups * OverlayFS ??? https://blog.scottlowe.org/2013/09/04/introducing-linux-network-namespaces/ http://man7.org/linux/man-pages/man7/mount_namespaces.7.html http://man7.org/linux/man-pages/man7/sysvipc.7.html https://www.researchgate.net/profile/Roberto_Pietro/publication/309965523_To_Docker_or_Not_to_Docker_A_Security_Perspective/links/5bd2f7c1a6fdcc3a8da6c537/To-Docker-or-Not-to-Docker-A-Security-Perspective.pdf https://lwn.net/Articles/531114/ http://karelzak.blogspot.com/2009/12/unshare1.html --- class: nord-dark, left, middle #### $> man 7 namespaces >A namespace wraps a global system resource in an abstraction that
makes it appear to the processes within the namespace that they have their own isolated instance of the global resource
. Changes to the global resource are visible to other processes that are members of the namespace, but are invisible to other processes. --- class: nord-dark, left, middle ### A "global system resource": Hostname There is just one for the whole system! --- class: nord-dark, left, middle ### A "global system resource": Hostname Let's give a process it's "own isolated instance of the global resource". --- class: nord-dark, center, middle, terminal Changing hostname within a namespace ![uts-namespace](images/uts-namespace.svg) --- class: nord-dark, left, middle ### 8 global resources * uts: hostname * user: user and group numbers * net: network devices * pid: process numbers (process id) * mnt: mount point numbers (mount id) * ipc: message queue numbers (msqid), semaphore set ids (semid), shared memory segment ids (shmid) * cgroups: visibility into group membership * time: ability to set CLOCK_MONOTONIC and CLOCK_BOOTTIME --- class: nord-dark, left, middle ### Another "global system resource": Process IDs * ID must be unique! * A single pool starting at 0 ending at 4194304 (cat /proc/sys/kernel/pid_max) * Each new process increments the number * Wraps when it runs out --- class: nord-dark, left, middle ### Process IDs: A process only sees pids in the same namespace --- class: nord-dark, center, middle, terminal The htop process monitor showing what's visible in it's namespace ![pid-namespace](images/namespace.svg) --- class: nord-dark, left, middle ### Process IDs: Adding new processes to existing namespaces --- class: nord-dark, center, middle, terminal Launching a process into an existing namespace ![pid-namespace](images/namespace-nsenter.svg) --- class: nord-dark, left, middle ## Namespaces: The important parts * The Linux Kernel makes it "appear to the processes within the namespace that they have their own isolated instance of the global resource" * Processes can be given their own "isolated instance" of each "global resource", separately or together. * Giving a process an "isolated instance" of every "global resource" is indistinguishable (to the process) from having a machine to itself. * This is called "OS-level" virtualization --- class: nord-dark, left, middle ## OverlayFS * Built into the kernel back in 2014 * Can “present a filesystem which is the result over overlaying one filesystem on top of the other.” --- class: nord-dark, left, middle ### OverlayFS: overlaying one filesystem on top of another ```bash $ tree . ├── a │ └── a.txt ├── b │ └── b.txt ├── c │ └── c.txt ├── everything └── workdir 5 directories, 3 files ``` --- class: nord-dark, left, middle ### OverlayFS: overlaying one filesystem on top of another ```bash $ sudo mount -t overlay -o lowerdir=a:b:c none everything [sudo] password for mike: $ tree . ├── a │ └── a.txt ├── b │ └── b.txt ├── c │ └── c.txt ├── everything │ ├── a.txt │ ├── b.txt │ └── c.txt └── workdir 5 directories, 6 files ``` --- class: nord-dark, left, middle ## Docker: Namespacing and OverlayFS in action --- class: nord-dark, left, middle ```bash [mike@ouroboros ~]$ docker pull ubuntu Using default tag: latest latest: Pulling from library/ubuntu 5bed26d33875: Pull complete f11b29a9c730: Pull complete 930bda195c84: Pull complete 78bf9a5ad49e: Pull complete Digest: sha256:bec5a2727be7fff3d308193cfde3491f8fba1a2ba392b7546b43a051853a341d Status: Downloaded newer image for ubuntu:latest docker.io/library/ubuntu:latest [mike@ouroboros ~]$ docker run -it ubuntu root@f0e2650b7332:/# ps PID TTY TIME CMD 1 pts/0 00:00:00 bash 10 pts/0 00:00:00 ps root@f0e2650b7332:/# ls bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var ``` --- class: nord-dark, left, middle ## Digging deeper * Building a container from scratch in Go - Liz Rice https://youtu.be/Utf-A4rODH8 * Cgroups, namespaces, and beyond: what are containers made from? - Jérôme Petazzoni https://youtu.be/sK5i-N34im8 --- class: nord-dark, center, middle ## What about deployment? --- class: nord-dark, center, middle .logo[![](images/kubernetes-logo.svg)] ## Kubernetes --- class: nord-dark, left, middle ### Why Kubernetes? * A single skillset across VM's (Kubevirt), serverless (Kubeless, Knative) & containers * A single skillset across all major cloud providers and on-prem * A single skillset across simple (monolithic) and complex (microservices) deployments * Minimize cloud vendor lock-in --- class: nord-dark, center, middle ### The Pod: the "unit of deployment" .logo[![](images/kubernetes-pod.svg)] --- class: nord-dark, center, middle ### The Pod: the "unit of deployment" .logo[![](images/kubernetes-pod-two-process.svg)] --- class: nord-dark, center, middle ### The worker .logo[![](images/kubernetes-worker.svg)] --- class: nord-dark, center, middle ### The cluster: n workers + master .xxl[![](images/kubernetes-cluster.svg)] --- class: nord-dark, center, middle ### The cluster: n workers + multi-master .xxl[![](images/kubernetes-multi-master-cluster.svg)] --- class: nord-dark, middle, left #### Directive on Service and Digital ##### Mandatory Procedures for Enterprise Architecture Assessment ### A.<IP_ADDRESS> Use distributed architectures --- class: nord-dark, left, middle ### OK, but how? --- class: nord-dark, left, middle ### Minimum Viable Kubernetes ```bash # create a cluster $ gcloud beta container clusters create \ --region=northamerica-northeast1 \ --num-nodes=1 \ --release-channel=stable \ helloworld # Create a deployment for an image: kubectl create deployment helloworld --image mikewilliamson/helloworld # Expose it's port to the internet as port 80 $ kubectl expose deployment/helloworld --type LoadBalancer --port 80 --target-port 3000 ``` --- class: nord-dark, left, middle ### Minimum Viable Kubernetes: the result ```bash $ kubectl get svc helloworld NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE helloworld LoadBalancer <IP_ADDRESS> <IP_ADDRESS> 80:30021/TCP 10m $ curl <IP_ADDRESS>
React App
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``` --- class: nord-dark, center, middle ### Minimum Viable Kubernetes: the result .k8slb[![](images/kubernetes-with-load-balancer.svg)] --- class: nord-dark, left, middle ### Kubernetes for reals * Declarative: Tell Kubernetes what we want, our "desired state" * Captured in code: Describe your system in code, version that code in git. ```bash # Imperative: ☹ kubectl create deployment helloworld --image mikewilliamson/helloworld kubectl expose deployment/helloworld --type LoadBalancer --port 80 --target-port 3000 # Declarative: 😀 kubectl create --dry-run deployment --image mikewilliamson/helloworld helloworld -o yaml > deployment.yaml kubectl create service loadbalancer helloworld --tcp=80:3000 --dry-run -o yaml > service.yaml # Version them in git, make sure Kubernetes has the latest version. kubectl apply -f . ``` --- class: nord-dark, middle, left ```yaml apiversion: apps/v1 kind: deployment metadata: labels: app: helloworld name: helloworld spec: replicas: 1 selector: matchlabels: app: helloworld template: metadata: labels: app: helloworld spec: containers: - image: mikewilliamson/helloworld name: helloworld ``` --- class: nord-dark, middle, left ```yaml apiVersion: v1 kind: Service metadata: labels: app: helloworld name: helloworld spec: ports: - name: 80-3000 port: 80 protocol: TCP targetPort: 3000 selector: app: helloworld type: LoadBalancer status: loadBalancer: {} ``` --- class: nord-dark, left, middle ## Why this stuff matters * dev/test/prod is just `kubectl apply` * AWS/Azure/GCP is just `kubectl apply` * Basic Scaling: `replicas: 1` > `replicas: 2` * Deploy: `myimage:v3` > `myimage:v4` * Rollback: `myimage:v4` > `myimage:v3` * Patch: `myimage:v4` > `myimage:v5` --- class: nord-dark, left, middle ## Security implications * Slimmer servers: Less code, fewer vulns * Image building (additive) > hardening (subtractive) ```bash $ docker images REPOSITORY TAG IMAGE ID CREATED SIZE alpine latest a187dde48cd2 2 hours ago 5.6MB ubuntu latest 4e5021d210f6 3 days ago 64.2MB debian latest 971452c94376 3 weeks ago 114MB fedora latest 536f3995adeb 4 weeks ago 193MB centos latest 470671670cac 2 months ago 237MB ``` --- class: nord-dark, center, middle, terminal ## Security implications ![](images/kiali-e2e.gif) --- class: nord-dark, middle, center ## Fin


---
layout: post
title: How to recruit technical staff
tags:
- Work Practices
status: publish
type: post
published: true
meta:
_edit_last: '451289'
_wp_old_slug: how-to-recruite-technical-staff
---
In my previous post I derided the value of using personality testing in the recruitment process, so what's the alternative?
The problem is people:
- People want to recruit people they like and they tend to like people like themselves
- They lie
- Too much of the decision is based on non-factual body language communication
So what's the solution?
- Have the candidate interviewed by a range of staff -- both senior and junior, from a variety of backgrounds; not just technical. This can also be a great way to help develop juniors.
- Allocate sufficient time to probe in detail the candidates experience and claims. Never accept the first answer but follow up and seek more and more detail (I will often repeat this 5-6 times on a single initial question) until it's clear what the truth is
- Have some tough technical questions that are hard to answer correctly and discuss the question with the candidate -- the objective is to discover their ability to think logically rather than arrive at the correct answer
- Have some simple questions in the candidates supposed field of expertise and see how many they can answer. No discussion is required unless it might be useful to discover why the candidate gave a response that was different to the anticipated answer
- Never provide questions that can be answered 'yes' or 'no' and always follow up on simplistic answerers
- Be open and honest with the job requirements and ask the candidate how they think can fulfil them. Follow up on these statements: ask for examples in previous jobs; seek justification for statements etc
- When investigating 'soft' skills such as people communication skills or project management discuss examples from the candidates past and their feelings about the experience. Again, keep probing.
- Discuss real world work scenarios and the various options they present. This demonstrates thinking as well as communication skills


This section provides all information about the GlassCat logging configuration.
Global log level is: {{logLevel}}