bplustreedotnet -- A B+tree implementation for .NET in C# with related modules |
quickstart bplusdotnet project page with download links |
Executive Summary: The bplusdotnet package is a library of cross compatible data structure implementations in C#, java, and Python which are useful for applications which need to store and retrieve persistent information. The bplusdotnet data structures make it easy to store string keys associated with values permanently. For example you could use bplusdotnet objects to associate names to addresses, or phone numbers to names, or book titles to book content, or names to face images. The bplusdotnet package is an open source indexed file implementation hosted on SourceForge.Key features of the package include:
Very fast retrieval of values associated to key strings. Cross platform portable file formats between standard C#, java, and Python implementations. No practical data file size limitations. Support for Unicode strings with localized string orderings. (localization for C# only) Key values as unicode strings with either unlimited length or maximum length fixed at the creation of the index. Mapping values as unicode strings or byte arrays of arbitrary size or as long integers. Random access to keys and values by key equality. Sequential access to "larger" keys and values by localized Unicode key ordering. Support for commits or aborts for groups of index modifications. Hash based indexing options for better expected performance in some cases. Optional automatic serialization and deserialization of serializable objects. (C# only) Configurable "core memory footprint" usage. Automatic reclamation of unused file space. Data structure recovery in some cases of file corruption.
General Technical Notes: the BplusDotNet package provides a variant of the classical BplusTree file indexing structure, which is one of the most beautiful and useful inventions of computer science, with significance to civilization rivalling the invention of the arch, double entry accounting, and arabic numerals. This variant differs from the classical presentation in that it does not maintain "next leaf" pointers in leaf nodes in order to provide a higher resilience to errors in the case of program failures -- in this way a "commit" or "abort" can be made final with the completion of a single disk buffer write. To provide additional transaction resilience no disk buffer is ever modified in place -- new data is always written to new buffers and the old buffers are release for reuse only after the root record has been committed.For additional discussion of B+trees and related structures please see The Ubiquitous B-Tree (Computing Surveys, Vol. 11, No. 2, June 1979) also available at http://bibin.hio.no/sivbib2000/databaseteori/Ubiqbtre.htm as of this writing.
The tree interface source documentation are kept primarily in the ITreeIndex.cs interface definition file to avoid redundancy in the implementation files.
The BplusTree structure provides the most accessible interface for storing and retrieving string entries associated with string keys. For BplusTree the key length must map to a sequence of bytes (using utf8 encoding) which doesn't exceed the key length defined at the time the tree is created. The xBplusTree structure removes this keylength limitation (see below).
// CREATE A NEW BPLUSTREE USING FILE PATHS public static BplusTree Initialize(string treefileName, string blockfileName, int KeyLength, int CultureId, int nodesize, int buffersize) public static BplusTree Initialize(string treefileName, string blockfileName, int KeyLength, int CultureId) public static BplusTree Initialize(string treefileName, string blockfileName, int KeyLength) // CREATE A NEW BPLUSTREE USING AN EXISTING STREAM public static BplusTree Initialize(System.IO.Stream treefile, System.IO.Stream blockfile, int KeyLength, int CultureId, int nodesize, int buffersize) public static BplusTree Initialize(System.IO.Stream treefile, System.IO.Stream blockfile, int KeyLength, int CultureId) public static BplusTree Initialize(System.IO.Stream treefile, System.IO.Stream blockfile, int KeyLength)Each of these methods create a BplusTree with an associated tree index stream, an associated block data stream for values, a maximum key size (in bytes), an associated Culture for determining the key ordering, a maximum number of children per leaf nodes (nodesize), and a buffersize for breaking value strings into chunks in the data file.
In the signatures above the files may be provided as prepared streams or may be specified as file system path name strings.
The key size determines how large keys may be in the index -- if it is set too low you will not be able to place large enough keys into the structure, if it is set too high you will waste space in the index file.
The CultureId determines the ordering to use for sorting the key values. The default used is System.Globalization.CultureInfo.InvariantCulture.LCID. (See JAVA/PYTHON NOTE 1.)
The nodesize and buffersize parameters may be useful for optimization and testing, but most users may find the default values acceptible.
public static BplusTree ReOpen(System.IO.Stream treefile, System.IO.Stream blockfile) public static BplusTree ReOpen(string treefileName, string blockfileName)
To associate one string with another using a Bplustree bpt write
bpt["one string"] = "another string"; bpt["a second string"] = "more information";To get the associated value back write
Console.WriteLine("the value for 'one string' is "+bpt["one string"]) // prints "the value for 'one string' is another string\r\n" to the console(See JAVA NOTE 2.)
If you attempt to retrieve a key which has no associated value the bpt data structure with throw a BplusTreeException. To test whether a key has an associated value use the ContainsKey method.
if (bpt.ContainsKey("no such key yet")) { Console.WriteLine("the value for 'no such key yet' is "+bpt["no such key yet"]); } else { Console.WriteLine("the key 'no such key yet' is not in the index"); }
The assignment made above will not be made "permanent" for future use, however until the index bpt is committed, using
bpt.Commit();Alternatively, to discard all modifications since the last commit point (or since the index was opened if that was more recent) use
bpt.Abort();To change the value associated with a key use the same index assignment notation.
bpt["one string"] = "an alternate string";To remove the association of a key with a value use
bpt.RemoveKey("a second string");The NextKey method gets the next larger key than the argument or null if there is no larger key. So to list all the keys and values between keys "russia" to the end of the index
string currentkey = "russia"; while (currentkey!=null) { if (bpt.ContainsKey(currentkey)) { Console.WriteLine("key="+currentkey+" value="+bpt[currentkey]); } currentkey = bpt.NextKey(currentkey); }If you want to start at the first key of the index use
string currentkey = bpt.FirstKey();When you are done with an index which you have modified it is good practice to either Commit or Abort the modifications. If you wish to shut down a modified index immediately without going throught the abort procedure you may use the ShutDown method, which is equivalent to aborting but may leave some space in the index and data files unreachable. To attempt to recover unreachable space in the files after reopening an index use the Recover(true) method.
The methods to create a xBplusTree have the same signature as those for creating a BplusTree except for the return type. For example here is the most verbose overload for BplusDotNet.xBplusTree.Initialize:
xBplusTree Initialize(string treefileName, string blockfileName, int PrefixLength, int CultureId, int nodesize, int buffersize)the only difference being that PrefixLength replaces KeyLength. The PrefixLength value determines the number of bytes of each key which is used to locate it within the internal tree structure.
After creation an xBplusTree presents the exact same interface as a BplusTree except that all key values will be permitted in the index.
NOTE: The xBplusTree implementation is more expensive and slower than the BplusTree implementation -- so the BplusTree implementation should be preferred whenever this is acceptible. Also, an xBplusTree may perform poorly when, for example, 100000 strings are identified by the same byte prefix. It is a good idea to pick a PrefixLength large enough so that only a few key strings are expected to have the same prefix for the given application.
The hBplusTree variant uses a hashing scheme to allow keys of unlimited length with expected good performance regardless of the key values. However since the hashing mechanism randomizes the placement of the key values in the underlying tree implementation the FirstKey and NextKey methods will not present the keys in dictionary order, but will traverse the keys in an arbitrary order.
| Index | Value type | Key Size | Safe for key prefix Collisions |
Dictionary Order Key Traversal |
|---|---|---|---|---|
| BplusTreeLong | long integers | maximum fixed at creation | not applicable | yes |
| BplusTreeBytes | byte arrays | maximum fixed at creation | not applicable | yes |
| BplusTree | unicode strings | maximum fixed at creation | not applicable | yes |
| xBplusTreeBytes | byte arrays | unlimited | common prefixes in keys will cause collisions |
yes |
| xBplusTree | unicode string | unlimited | common prefixes in keys will cause collisions |
yes |
| hBplusTreeBytes | byte arrays | unlimited | none expected | key traversal order is random |
| hBplusTree | unicode strings | unlimited | none expected | key traversal order is random |
| SerializedTree | Serializable objects | same properties as the underlying tree implementation |
same properties as the underlying tree implementation |
same properties as the underlying tree implementation |
The BplusDotNet distribution includes the dynamically loaded assembly BplusDotNet.dll which may be added as a reference to any .NET based programming project. Programmers with Visual Studio .NET may also open the project file BplusDotNet.csprof with VS.NET and rebuild the module.
The BplusDotNet distribution also includes the testing module which attempts to hammer the implementation in confusing ways. Execute testing.exe or compile and run the testing project to run the tests on your system. If it completes with no exception thrown then the tests have passed. By default the tests use "in memory structures" to emulate disk based files -- edit the testdirectory static variable to test to real disk files. (See JAVA NOTE 4.)
Each of these tree implementations supports the ITreeIndex.cs interface which defines common methods for traversing, retrieving, modifying, and maintaining the index structures. In particular the ITreeIndex interface defines Commit and Abort methods which permits programmers to make groups of index modifications permanent or forget groups of modifications.
Furthermore there are two additional buffered file implementations
The java implementations reside in the package
NET.sourceforge.BplusJ.BplusJand the test module resides in
NET.sourceforge.BplusJ.testing;
JAVA/PYTHON NOTE 1: LOCALIZATION NOT YET SUPPORTED. The java implementation only permits the invariant culture id at this time BplusTreeLong.INVARIANTCULTUREID = 127.
JAVA NOTE 2: INDEXING METHODS. The subscripting notation for tree indexing cannot be used in java, so the java implementation uses a method notation instead
tree.set(key, value); // replaces tree[key] = value; value = tree.get(key); // replaces value = tree[key];
JAVA/PYTHON NOTE 3: AUTOMAGIC SERIALIZATION/DESERIALIZATION NOT YET. There is no analogue to the SerializedTree provided in the java package at this time.
JAVA NOTE 4: EDIT THE TEST SUITE TO DEFINE THE TEST DIRECTORY. If you run the java test suite "out of the box" you will see something like this:
C:\installstuff\BplusDotNet_beta4> javac NET\sourceforge\BplusJ\testing\bplustest.java C:\installstuff\BplusDotNet_beta4> java NET.sourceforge.BplusJ.testing.bplusTest encode/decode of ints ok encode/decode of longs ok encode/decode of longs ok TESTING BUFFERFILE to run these tests you need to edit the source file, adding a String definition for tempdirectory Exception in thread "main" ....This is because the java test suite has no "test to memory" option, but must test to disk files. In order to make the tests run, do as requested and modify the definition for tempdirectory in bplusTest.java to point to an existing temporary directory
static String tempdirectory = "c:\\tmp"; // set to a directory to test storing to/from filesThe CompatTest() method (defined in C# and java) is intended to test the portability of the index file formats. To test the portability properly you need to define the tempdirectory variable to point to the same directory in each test driver program and run each test twice (java, C#, java, C#) in order test that one implementation can open a structure created by the other.
C:\installstuff\BplusDotNet_beta4>setup.py installThe python implementation also includes a testing.py test suite. This program is slower than the other two because it scans the complete contents of the trees very many times. In real use the Python implementation should not be noticably slower than the others. Once installed use the python implementation in a python program or from the command line, for example, as shown below:
C:\anydirectory>python Python 2.3.4 (#53, May 25 2004, 21:17:02) [MSC v.1200 32 bit (Intel)] on Type "help", "copyright", "credits" or "license" for more information. >>> import BplusPy.BplusTree >>> tree = BplusPy.BplusTree.Initialize("/tmp/x.dat", "/tmp/y.dat", 15) >>> tree["hello"] = "goodbye" >>> print tree["hello"] goodbye >>> print repr(tree["hello"]) u'goodbye' >>> tree.Commit() >>> tree.ShutDown()Note that all implementations automatically convert keys to unicode strings and the [xh]BplusTree implementations also automatically convert the values to unicode strings. (The [xh]BplusTreeBytes implementations keep values as python strings -- 8bit clean byte sequences).
The bplusdotnet package is Copywrite Aaron Watters 2004. the package is licensed under the BSD open source license which means that you can do basically anything with it (except claim that you own it).


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Name: Calvin Ference
Nickname: w3b_wizzard
Phone: In your dreams ;)
Email<EMAIL_ADDRESS>Address: HA! No way in hell!
Country: Canada - Why am I telling you the country? Simple... hehe
Other: If you really need to contact me, just email me... hehe
Above is my contact info, really all you need is my email address and my name. If you require more, then you can try google, it MIGHT tell you if you're good in google hacking =)
Cheers!
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Syntax:
defmacro name lambda-list [[declaration* | documentation]] form*
=> name
Arguments and Values:
name---a symbol. lambda-list---a macro lambda list.
declaration---a declare expression; not evaluated.
documentation---a string; not evaluated.
form---a form.
Description:
Defines name as a macro by associating a macro function with that name in the global environment. The macro function is defined in the same lexical environment in which the defmacro form appears.
The parameter variables in lambda-list are bound to destructured portions of the macro call.
The expansion function accepts two arguments, a form and an environment. The expansion function returns a form. The body of the expansion function is specified by forms. Forms are executed in order. The value of the last form executed is returned as the expansion of the macro. The body forms of the expansion function (but not the lambda-list) are implicitly enclosed in a block whose name is name.
The lambda-list conforms to the requirements described in Section 3.4.4 (Macro Lambda Lists).
Documentation is attached as a documentation string to name (as kind function) and to the macro function.
defmacro can be used to redefine a macro or to replace a function definition with a macro definition.
Recursive expansion of the form returned must terminate, including the expansion of other macros which are subforms of other forms returned.
The consequences are undefined if the result of fully macroexpanding a form contains any circular list structure except in literal objects.
If a defmacro form appears as a top level form, the compiler must store the macro definition at compile time, so that occurrences of the macro later on in the file can be expanded correctly. Users must ensure that the body of the macro can be evaluated at compile time if it is referenced within the file being compiled.
Examples:
(defmacro mac1 (a b) "Mac1 multiplies and adds" `(+ ,a (* ,b 3))) => MAC1 (mac1 4 5) => 19 (documentation 'mac1 'function) => "Mac1 multiplies and adds" (defmacro mac2 (&optional (a 2 b) (c 3 d) &rest x) `'(,a ,b ,c ,d ,x)) => MAC2 (mac2 6) => (6 T 3 NIL NIL) (mac2 6 3 8) => (6 T 3 T (8)) (defmacro mac3 (&whole r a &optional (b 3) &rest x &key c (d a)) `'(,r ,a ,b ,c ,d ,x)) => MAC3 (mac3 1 6 :d 8 :c 9 :d 10) => ((MAC3 1 6 :D 8 :C 9 :D 10) 1 6 9 8 (:D 8 :C 9 :D 10))
The stipulation that an embedded destructuring lambda list is permitted only where ordinary lambda list syntax would permit a parameter name but not a list is made to prevent ambiguity. For example, the following is not valid:
(defmacro loser (x &optional (a b &rest c) &rest z) ...)because ordinary lambda list syntax does permit a list following &optional; the list (a b &rest c) would be interpreted as describing an optional parameter named a whose default value is that of the form b, with a supplied-p parameter named &rest (not valid), and an extraneous symbol c in the list (also not valid). An almost correct way to express this is
(defmacro loser (x &optional ((a b &rest c)) &rest z) ...)The extra set of parentheses removes the ambiguity. However, the definition is now incorrect because a macro call such as (loser (car pool)) would not provide any argument form for the lambda list (a b &rest c), and so the default value against which to match the lambda list would be nil because no explicit default value was specified. The consequences of this are unspecified since the empty list, nil, does not have forms to satisfy the parameters a and b. The fully correct definition would be either
(defmacro loser (x &optional ((a b &rest c) '(nil nil)) &rest z) ...)or
(defmacro loser (x &optional ((&optional a b &rest c)) &rest z) ...)These differ slightly: the first requires that if the macro call specifies a explicitly then it must also specify b explicitly, whereas the second does not have this requirement. For example,
(loser (car pool) ((+ x 1)))would be a valid call for the second definition but not for the first.
(defmacro dm1a (&whole x) `',x) (macroexpand '(dm1a)) => (QUOTE (DM1A)) (macroexpand '(dm1a a)) is an error. (defmacro dm1b (&whole x a &optional b) `'(,x ,a ,b)) (macroexpand '(dm1b)) is an error. (macroexpand '(dm1b q)) => (QUOTE ((DM1B Q) Q NIL)) (macroexpand '(dm1b q r)) => (QUOTE ((DM1B Q R) Q R)) (macroexpand '(dm1b q r s)) is an error.
(defmacro dm2a (&whole form a b) `'(form ,form a ,a b ,b)) (macroexpand '(dm2a x y)) => (QUOTE (FORM (DM2A X Y) A X B Y)) (dm2a x y) => (FORM (DM2A X Y) A X B Y) (defmacro dm2b (&whole form a (&whole b (c . d) &optional (e 5)) &body f &environment env) ``(,',form ,,a ,',b ,',(macroexpand c env) ,',d ,',e ,',f)) ;Note that because backquote is involved, implementations may differ ;slightly in the nature (though not the functionality) of the expansion. (macroexpand '(dm2b x1 (((incf x2) x3 x4)) x5 x6)) => (LIST* '(DM2B X1 (((INCF X2) X3 X4)) X5 X6) X1 '((((INCF X2) X3 X4)) (SETQ X2 (+ X2 1)) (X3 X4) 5 (X5 X6))), T (let ((x1 5)) (macrolet ((segundo (x) `(cadr ,x))) (dm2b x1 (((segundo x2) x3 x4)) x5 x6))) => ((DM2B X1 (((SEGUNDO X2) X3 X4)) X5 X6) 5 (((SEGUNDO X2) X3 X4)) (CADR X2) (X3 X4) 5 (X5 X6))
Affected By: None.
Exceptional Situations: None.
See Also:
define-compiler-macro, destructuring-bind, documentation, macroexpand, *macroexpand-hook*, macrolet, macro-function, Section 3.1 (Evaluation), Section 3.2 (Compilation), Section 3.4.11 (Syntactic Interaction of Documentation Strings and Declarations)
Notes: None.


I had the great pleasure of being the inaugural guest on Sean Chen’s new podcast, Humans of Open Source. We chatted about all sorts of things around open source software:
If that sounds interesting, give it a listen! And if you enjoy it, consider subscribing—I for one am quite interested to see where Sean takes the show!


jPaginator is a jQuery plugin for pagination. It's fun, intuitive, it comes with a slider and you can ask for an unlimited number of pages.
Use it with a unique element, for more details please have a look at the code of demo1 and the plugin's options.
Don't forget the CSS page "jPaginator.css".
Dependencies : jQuery 1.3.2+, jQuery UI Slider
Of course, you can achieve a much better design with some CSS skills, please have a look at this tutorial by Ian Yates from
webdesign.tutsplus.com.
Demo 1 : custom css
demo1
(the slider will disappear
because the reset set nbPages to 20, nbVisible to 6, which mean 20/6 = 4 slides, or minSlidesForSlider = 5...)
Demo 2 : constant speed, no slide
demo2
Demo 3 : high number of pages, max acceleration
demo3
Plugin's options (with default values) :
selectedPage: null,
Current page
nbPages: 100,
Total number of pages
nbVisible: 10,
Number of pages by slide
widthPx: 30,
Page-number width (px)
marginPx: 1,
Page-number margin (px)
overBtnLeft: null,
Element id of the over button left (move forward on mouseover)
overBtnRight: null,
Element id of the over button right (move backward on mouseover)
maxBtnLeft: null,
Element id of the max button left (go to first slide on click)
maxBtnRight: null,
Element id of the max button right (go to last slide on click)
withSlider: true,
Display slider (true/false),
withAcceleration: true,
Enable acceleration (true/false)
speed: 2,
Animation speed (1 to 5)
coeffAcceleration: 2,
Acceleration speed (1 to 5)
minSlidesForSlider: 3,
Minimum number of slides to display the slider. Ex : if nbPages=32 and nbVisible=10, 32/10 = 4 slides,
so if minSlidesForSlider = 5 then slider won't be displayed.
onPageClicked: function(a,num) {}
Function called when a page number is clicked (where a = the root element of the paginator)


Upload the model
Unfolding Method
GA
Flat Tree
Steapest Edge
Max Generations (For GA)
10
100
1000
10000
Max Iterations (For Non-GA)
10
100
1000
10000
Processed Models


---
layout:post
categories:toeza
tags:toeza
title:How to Take a Card Counting Trip
date:2016-12-07 14:32:45 +0800
---
Edit Article
How to Take a Card Counting Trip
Community Q&A
Did you see the movie 21? Well this article will tell you how to beat Vegas just like MIT.
Steps
1
Learn to beat blackjack. To do this you need to memorize basic strategy, learn to count cards, and to know specific rules such as surrender.
2
Practice in small town casinos. You don't want to waste money, so it's recommended to start out with a $100 budget. Then $500, $1000.
3
Get a team of fellow card counters. They have to be able to count cards under pressure, make good decisions and so forth.
4
Understand the mechanics of "team blackjack". There are 3 levels of card counters in team play:
Spotter: All they have to do is wait until a shoe starts over, get to that table, count until the table's hot and signal a gorilla or big player.
Gorilla: A gorilla's job is to wait until the spotter signals them and bet big until the spotter signals them to leave. That's the easiest of all the jobs. A gorilla should act drunk and dress messy with stains.
 They get signaled just like a gorilla, except the spotter uses a word signal to secretly tell them what the count is, and the big player keeps counting and bets accordingly. A big player should dress cleanly in a suit and tie.
5
Agree where you're going to hit. There are hundreds of casinos just in America. You'll need a plan on what to do if you're asked to leave.
6
Make a meeting spot. If you get busted (get caught counting, not going over 21) you'll need to go to the meeting spot and call the other team members. The meeting spot could be a hotel lobby, or a restaurant or even another casino.
7
Get there. If where you're going is far away it's recommended to use a plane.
8
Transport your stake. The biggest mistake a card counter could make is letting the airline know you're carrying thousands of dollars across a state border. They might think you're up to something. Stuff it in your underwear, tape it to your back, whatever. Just avoid putting it in your luggage, shoes, or pockets.
9
Play. The most important step. Remember to count and bet right.
10
Cash in your chips. If you're worried about the casino thinking your large amount of chips is suspicious, you can divide it up, or ask random people to cash it in for you.
11
Divide the dough. If you had any investors, take their cut out, then divide equally among the team.


Watch: Wiz Khalifa Shares Dope Studio Moments W/ Chevy Woods + Taylor Gang
by Team SOHHTaylor Gang leader Wiz Khalifa has no problem letting fans see how he throws it down in the studio. The hip-hop veteran has shared new footage of himself and his crew working on fire music. Watch and comment below!


DJI::OSDK::BatteryWholeInfoImpl Struct Reference
#include <dji_battery_impl.hpp>
Public Attributes | |
| uint16_t | remainFlyTime |
| uint16_t | goHomeNeedTime |
| uint16_t | landNeedTime |
| uint16_t | goHomeNeedCapacity |
| uint16_t | landNeedCapacity |
| float | safeFlyRadius |
| float | capacityConsumeSpeed |
| DJIWholeBatteryStateImpl | batteryState |
| uint8_t | goHomeCountDownState |
| uint8_t | gohomeCountDownvalue |
| uint16_t | voltage |
| uint8_t | batteryCapacityPercentage |
| uint8_t | lowBatteryAlarmThreshold:7 |
| uint8_t | lowBatteryAlarmEnable:1 |
| uint8_t | seriousLowBatteryAlarmThreshold:7 |
| uint8_t | seriousLowBatteryAlarmEnable:1 |
| uint8_t | batteryType:2 |
| uint8_t | reserve:6 |
Detailed Description
The whole battery information push,include: 1.some raw battery data; 2.calculated data; 3.battery state
Member Data Documentation
◆ batteryCapacityPercentage
| uint8_t DJI::OSDK::BatteryWholeInfoImpl::batteryCapacityPercentage |
mv
◆ batteryState
| DJIWholeBatteryStateImpl DJI::OSDK::BatteryWholeInfoImpl::batteryState |
(mAh/sec)
◆ capacityConsumeSpeed
| float DJI::OSDK::BatteryWholeInfoImpl::capacityConsumeSpeed |
Safe flight area radius (m)
◆ gohomeCountDownvalue
| uint8_t DJI::OSDK::BatteryWholeInfoImpl::gohomeCountDownvalue |
Countdown status of smart battery gohome 0/2:not in gohome state 1 :in gohome state
◆ goHomeNeedCapacity
| uint16_t DJI::OSDK::BatteryWholeInfoImpl::goHomeNeedCapacity |
Time required for the land flight (s).max value:100
◆ landNeedCapacity
| uint16_t DJI::OSDK::BatteryWholeInfoImpl::landNeedCapacity |
Capacity required for the gohome flight (%).max value:100
◆ landNeedTime
| uint16_t DJI::OSDK::BatteryWholeInfoImpl::landNeedTime |
Time required for the gohome flight (s)
◆ lowBatteryAlarmThreshold
| uint8_t DJI::OSDK::BatteryWholeInfoImpl::lowBatteryAlarmThreshold |
uint:%.max value:100
◆ safeFlyRadius
| float DJI::OSDK::BatteryWholeInfoImpl::safeFlyRadius |
Capacity required for the land flight (%).max value:100
◆ voltage
| uint16_t DJI::OSDK::BatteryWholeInfoImpl::voltage |
uint:s.max value:10
The documentation for this struct was generated from the following file:
- osdk-core/api/inc/dji_battery_impl.hpp


INDEX
Sadness of the body
Mirror sadness
Sadness of [looking] like or unlike one’s parents
Sadness of not knowing if your body is normal
Sadness of knowing your [body is] not normal
Sadness of knowing your body is normal
Beauty sadness
Sadness of m[ake]up
Sadness of physical pain
Pins-and-[needles sadness
Sadness of clothes
Sadness of the quavering eyelid
Sadness of a missing rib
Noticeable sad[ness]
Sadness of going unnoticed
The sadness of having genitals that are not like those of your lover
The sadness of having genitals that are like those of your lover
Sadness of hands
Sadness of the Covenant
Sadness of God’s love
Sadness of God’s back
Favourite-child sadness
Sadness of b[ein]g sad in front of one’s God
Sadness of the opposite of belief
Sadness of God alone in heaven
Sadness of a God who would need people to pray to him
Sadness of the Intellect
Sadness of being misunderstood
Humor sadness
Sadness of love wit[hou]t release
Sadne [ss of be] ing smart
Sadness of not knowing enough words to [express what you mean]
Sadness of having options
Sadness of wanting sadness
Sadness of confusion
Sadness of domes[ti]cated birds
Sadness of fini[shi]ng a book
Sadness of remembering
Sadness of forgetting
Anxiety Sadness
Interpersonal Sadness
Sadness of being sad in front of one’s parent
Sa[dn]ness of false love
Sadness of love
Friendship sadness
Sadness of a bad convers[at]ion
Sadness of the could-have-been
Secret sadness
Sadness of Sex and Art
Sadness of arousal being an unordinary physical state
Sadness of feeling the need to create beautiful things
Kissing Sadness
Sadness of moving too quickly
Sadness of not mo[vi]ng
Nude model sadness
Sadness of portraiture
Send me your sadness for cataloguing.
name
email


| PIG-4902 |
Fix UT failures on 0.16 branch: TestTezGraceParallelism, TestPigScriptParser |
Major |
. |
Daniel Dai |
Daniel Dai |
| PIG-3227 |
SearchEngineExtractor does not work for bing |
Minor |
piggybank |
Danny Antonetti |
Danny Antonetti |
| PIG-4786 |
CROSS will not work correctly with Grace Parallelism |
Major |
tez |
Rohini Palaniswamy |
Daniel Dai |
| PIG-4734 |
TOMAP schema inferring breaks some scripts in type checking for bincond |
Major |
. |
Rohini Palaniswamy |
Daniel Dai |
| PIG-4916 |
Pig on Tez fail to remove temporary HDFS files in some cases |
Major |
. |
Daniel Dai |
Daniel Dai |
| PIG-4921 |
Kill running jobs on InterruptedException |
Major |
. |
Rohini Palaniswamy |
Rohini Palaniswamy |
| PIG-2315 |
Make as clause work in generate |
Major |
. |
Olga Natkovich |
Daniel Dai |
| PIG-4896 |
Param substitution ignored when redefined |
Minor |
parser |
Koji Noguchi |
Koji Noguchi |
| PIG-4949 |
Fix registering jar in S3 which was broken by PIG-4417 in Pig 0.16 |
Major |
parser |
Yishan Yang |
Yishan Yang |
| PIG-4938 |
[PiggyBank] XPath returns empty values when using aggregation method |
Minor |
piggybank |
Ivo Lenting |
Nandor Kollar |
| PIG-4945 |
Update document for conflicting macro params |
Trivial |
documentation |
Koji Noguchi |
Koji Noguchi |
| PIG-4950 |
Fix minor issues with running scripts in non-local FileSystems |
Minor |
. |
Peter Slawski |
Peter Slawski |
| PIG-4940 |
Predicate push-down filtering unary expressions can be pushed. |
Major |
. |
Ryan Blue |
Ryan Blue |
| PIG-4948 |
Pig on Tez AM use too much memory on a small cluster |
Major |
tez |
Daniel Dai |
Daniel Dai |
| PIG-4947 |
LOAD with HBaseStorage using a mix of pure wildcards and prefixed wildcards results in empty maps for the pure wildcarded column families. |
Major |
grunt |
Youngjin |
Daniel Dai |
| PIG-4957 |
See "Received kill signal" message for a normal run after PIG-4921 |
Major |
. |
Daniel Dai |
Rohini Palaniswamy |
| PIG-4960 |
Split followed by order by/skewed join is skewed in Tez |
Major |
. |
Rohini Palaniswamy |
Rohini Palaniswamy |
| PIG-4961 |
CROSS followed by LIMIT inside nested foreach drop data from result |
Major |
. |
Sergey Svinarchuk |
Rohini Palaniswamy |
| PIG-4935 |
TEZ_USE_CLUSTER_HADOOP_LIBS is always set to true |
Major |
. |
Rohini Palaniswamy |
Rohini Palaniswamy |
| PIG-4966 |
Fix Pig compatibility with Hive 2.1.0 |
Minor |
build |
Zach York |
Zach York |
| PIG-4965 |
Refactor test/perf/pigmix/bin/runpigmix.pl to delete the output of single test case if we enable cleanup_after_test |
Major |
. |
liyunzhang_intel |
liyunzhang_intel |
| PIG-4933 |
TestDataBagAccess.testBagConstantFlatten1/TestLogicalPlanBuilder.testQuery90 broken after PIG-2315 |
Major |
. |
Koji Noguchi |
Koji Noguchi |
| PIG-4972 |
StreamingIO_1 fail on perl 5.22 |
Major |
e2e harness |
Daniel Dai |
Daniel Dai |
| PIG-4973 |
Bigdecimal divison fails |
Major |
impl |
Adam Szita |
Adam Szita |
| PIG-4975 |
Map schema shows "Type: null Uid: null" in explain |
Trivial |
. |
Koji Noguchi |
Koji Noguchi |
| PIG-5022 |
Error in TOKENIZE Example |
Major |
documentation |
Ian Cook |
Ian Cook |


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{{ define "main" }} {{ .Title | markdownify }} {{ .Content }} {{/* Omit posts by author for now since all posts are by the same author Posts by author {{ $name:= .Title }} {{ range where .Site.RegularPages "Params.author" $name }} {{ .Render "article" }} {{ end }} */}} {{ partial "testimonial.html" . }} {{ end }}


Contact
In case of questions or problems regarding MyTool, please contact My Name.Citation
If you use MyTool in your study, please cite it as follows:
{{"@misc{MyTool2021,"}} {{" title={MyTool:},"}} {{" author={My Name},"}} {{" year={2021},"}} {{" howpublished={https://my_tool_github_url},"}} {{"}"}}


When you have the urge to engage in an unhealthy behavior, delay for a set period of time instead of immediately giving in to the urge. Follow these instructions:
Rate the intensity of the urge from 1 to 10.
Set a timer for 15 minutes. Wait until after the timer is up to gratify the urge.
During the 15 minutes:
Write out the pros and cons of following through with the behavior.
Do an activity to distract yourself.
After the 15 minutes are over, rate the intensity of the urge again.
If the intensity is lower, you can return to your day.
If the intensity is the same or higher, go back to step 2.


nearblack
Convert nearly black/white borders to black.
Synopsis
nearblack [-of format] [-white | [-color c1,c2,c3...cn]*] [-near dist] [-nb non_black_pixels]
[-setalpha] [-setmask] [-o outfile] [-q] [-alg twopasses|floodfill]
[-co "NAME=VALUE"]* infile
Description
This utility will scan an image and try to set all pixels that are nearly or exactly black, white or one or more custom colors around the collar to black or white. This is often used to "fix up" lossy compressed air photos so that color pixels can be treated as transparent when mosaicing. The output format must use lossless compression if either alpha band or mask band is not set.
- -o <outfile>
The name of the output file to be created.
- -of <format>
Select the output format. Starting with GDAL 2.3, if not specified, the format is guessed from the extension (previously was ERDAS Imagine .img). Use the short format name (GTiff for GeoTIFF for example).
- -co `"NAME=VALUE"`
Passes a creation option to the output format driver. Multiple
-co
options may be listed. See Raster drivers format specific documentation for legal creation options for each format.Only valid when creating a new file
- -white
Search for nearly white (255) pixels instead of nearly black pixels.
- -color <c1,c2,c3...cn>
Search for pixels near the specified color. May be specified multiple times. When -color is specified, the pixels that are considered as the collar are set to 0.
- -near <dist>
Select how far from black, white or custom colors the pixel values can be and still considered near black, white or custom color. Defaults to 15.
- -nb <non_black_pixels>
number of consecutive non-black pixels that can be encountered before the giving up search inwards. Defaults to 2.
- -setalpha
Adds an alpha band if the output file is specified and the input file has 3 bands, or sets the alpha band of the output file if it is specified and the input file has 4 bands, or sets the alpha band of the input file if it has 4 bands and no output file is specified. The alpha band is set to 0 in the image collar and to 255 elsewhere.
- -setmask
Adds a mask band to the output file, or adds a mask band to the input file if it does not already have one and no output file is specified. The mask band is set to 0 in the image collar and to 255 elsewhere.
- -alg twopasses|floodfill
New in version 3.8.
Selects the algorithm to apply.
twopasses
uses a top-to-bottom pass followed by a bottom-to-top pass. This is the only algorithm implemented before GDAL 3.8. It may miss with concave areas. The algorithm processes the image one scanline at a time. A scan "in" is done from either end setting pixels to black or white until at least "non_black_pixels" pixels that are more than "dist" gray levels away from black, white or custom colors have been encountered at which point the scan stops. The nearly black, white or custom color pixels are set to black or white. The algorithm also scans from top to bottom and from bottom to top to identify indentations in the top or bottom.floodfill
(added in GDAL 3.8) uses the Flood Fill algorithm and will work with concave areas. It requires creating a temporary dataset and is slower thantwopasses
. When a non-zero value for-nb
is used,twopasses
is actually called as an initial step offloodfill
.
- -q
Suppress progress monitor and other non-error output.
- <infile>
The input file. Any GDAL supported format, any number of bands, normally 8bit Byte bands.
The processing is all done in 8bit (Bytes).
If the output file is omitted, the processed results will be written back to the input file - which must support update.
C API
This utility is also callable from C with GDALNearblack()
.
New in version 2.1.


This example shows how to set up SearchBar, SearchControls, and Timeline views in JavaScript and sync them with a SearchManager using events.
This example shows how to set up SearchBar, SearchControls, and Timeline views in JavaScript and sync them with a SearchManager using events.


Vehicle selector
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Translations
The history of the Nights is extremely complex and modern scholars have made many attempts to untangle the story of how the collection as it currently exists came about. Robert Irwin summarises their findings:
In the 1880s and 1890s a lot of work was done on the Nights by Zotenberg and others, in the course of which a consensus view of the history of the text emerged. Most scholars agreed that the Nights was a composite work and that the earliest tales in it came from India and Persia. At some time, probably in the early 8th century, these tales were translated into Arabic under the title Alf Layla, or The Thousand Nights. This collection then formed the basis of the Thousand and One Nights. The original core of stories was quite small. Then, in Iraq in the 9th or 10th century, this original core had Arab stories added to it—among them some tales about the Caliph Harun al-Rashid. Also, perhaps from the 10th century onwards, previously independent sagas and story cycles were added to the compilation [...] Then, from the 13th century onwards, a further layer of stories was added in Syria and Egypt, many of these showing a preoccupation with sex, magic or low life. In the early modern period yet more stories were added to the Egyptian collections so as to swell the bulk of the text sufficiently to bring its length up to the full 1,001 nights of storytelling promised by the book's title.
Possible Indian Influence
Devices found in Sanskrit literature such as frame stories and animal fables are seen by some scholars as lying at the root of the conception of the Nights. The motif of the wise young woman who delays and finally removes an impending danger by telling stories has been traced back to Indian sources. Indian folklore is represented in the Nights by certain animal stories, which reflect influence from ancient Sanskrit fables. The influence of the Panchatantra and Baital Pachisi is particularly notable. The Jataka Tales are a collection of 547 Buddhist stories, which are for the most part moral stories with an ethical purpose. The Tale of the Bull and the Ass and the linked Tale of the Merchant and his Wife are found in the frame stories of both the Jataka and the Nights.
The Panchatantra and various tales from Jatakas were first translated into Persian by Borzūya in 570 CE, they were later translated into Arabic by Ibn al-Muqaffa in 750 CE. The Arabic version was translated into several languages, including Syriac, Greek, Hebrew and Spanish.
Persian prototype: Hezār Afsān
The earliest mentions of the Nights refer to it as an Arabic translation
from a Persian book, Hezār Afsān (or Afsaneh or Afsana), meaning
The Thousand Stories. In the 10th century Ibn al-Nadim compiled a
catalogue of books (the Fihrist) in Baghdad. He noted that the Sassanid
kings of Iran enjoyed "evening tales and fables". Al-Nadim then writes
about the Persian Hezār Afsān, explaining the frame story it employs: a
bloodthirsty king kills off a succession of wives after their wedding
night; eventually one has the intelligence to save herself by telling him
a story every evening, leaving each tale unfinished until the next night
so that the king will delay her execution. However, according to
al-Nadim, the book contains only 200 stories. He also writes disparagingly
of the collection's literary quality, observing that "it is truly a coarse
book, without warmth in the telling". In the same century Al-Masudi
also refers to the Hezār Afsān, saying the Arabic translation is called
Alf Khurafa (A Thousand Entertaining Tales) but is generally known as
Alf Layla (A Thousand Nights). He mentions the characters Shirāzd
(Scheherazade) and Dināzād.
No physical evidence of the Hezār Afsān has survived, so its exact
relationship with the existing later Arabic versions remains a mystery.
Apart from the Scheherazade frame story, several other tales have Persian
origins, although it is unclear how they entered the collection. These
stories include the cycle of King Jali'ad and his Wazir Shimas and The
Ten Wazirs or the History of King Azadbakht and his Son (derived from the
7th-century Persian Bakhtiyārnāma).
In the 1950s, the Iraqi scholar Safa Khulusi suggested (on internal rather
than historical evidence) that the Persian writer Ibn al-Muqaffa' may have
been responsible for the first Arabic translation of the frame story and
some of the Persian stories later incorporated into the Nights. This would
place genesis of the collection in the 8th century.
Evolving Arabic Versions
In the mid-20th century, the scholar Nabia Abbott found a document
with a few lines of an Arabic work with the title The Book of the Tale of
a Thousand Nights, dating from the 9th century. This is the earliest known
surviving fragment of the Nights. The first reference to the Arabic
version under its full title The One Thousand and One Nights appears in
Cairo in the 12th century. Professor Dwight Reynolds describes the
subsequent transformations of the Arabic version:
Some of the earlier Persian tales may have survived within the Arabic tradition altered such that Arabic Muslim names and new locations were substituted for pre-Islamic Persian ones, but it is also clear that whole cycles of Arabic tales were eventually added to the collection and apparently replaced most of the Persian materials. One such cycle of Arabic tales centres around a small group of historical figures from 9th-century Baghdad, including the caliph Harun al-Rashid (died 809), his vizier Jafar al-Barmaki (d. 803) and the licentious poet Abu Nuwas (d. c. 813). Another cluster is a body of stories from late medieval Cairo in which are mentioned persons and places that date to as late as the thirteenth and fourteenth centuries.Two main Arabic manuscript traditions of the Nights are known: the Syrian and the Egyptian. The Syrian tradition includes the oldest manuscripts; these versions are also much shorter and include fewer tales. It is represented in print by the so-called Calcutta I (1814–1818) and most notably by the Leiden edition (1984), which is based above all on the Galland manuscript. The Leiden Edition, prepared by Muhsin Mahdi, is the only critical edition of 1001 Nights to date, believed to be most stylistically faithful representation of mediaeval Arabic versions currently available.
Texts of the Egyptian tradition emerge later and contain many more tales of much more varied content; a much larger number of originally independent tales have been incorporated into the collection over the centuries, most of them after the Galland manuscript was written, and were being included as late as in the 18th and 19th centuries, perhaps in order to attain the eponymous number of 1001 nights. The final product of this tradition, the so-called Zotenberg Egyptian Recension, does contain 1001 nights and is reflected in print, with slight variations, by the editions known as the Bulaq (1835) and the Macnaghten or Calcutta II (1839–1842).
All extant substantial versions of both recensions share a small common core of tales:
- The Merchant and the Genie
- The Fisherman and the Genie
- The Porter and the Three Ladies
- The Three Apples
- Nur al-Din Ali and Shams al-Din (and Badr al-Din Hasan)
- The Hunchback cycle
- Nur al-Din Ali and Anis al-Jalis
- Ali Ibn Bakkar and Shams al-Nahar
Modern Translations
The first European version (1704–1717) was translated into French by
Antoine Galland from an Arabic text of the Syrian recension and other
sources. This 12-volume work, Les Mille et une nuits, contes arabes
traduits en français (The Thousand and one nights, Arab stories
translated into French), included stories that were not in the original
Arabic manuscript. Aladdin's Lamp, and Ali Baba and the Forty Thieves
(as well as several other lesser-known tales) appeared first in Galland's
translation and cannot be found in any of the original manuscripts.
He wrote that he heard them from a Syrian Christian storyteller from
Aleppo, a Maronite scholar whom he called "Hanna Diab." Galland's version
of the Nights was immensely popular throughout Europe, and later versions
were issued by Galland's publisher using Galland's name without his consent.
As scholars were looking for the presumed "complete" and "original" form
of the Nights, they naturally turned to the more voluminous texts of the
Egyptian recension, which soon came to be viewed as the "standard
version". The first translations of this kind, such as that of Edward
Lane (1840, 1859), were bowdlerized. Unabridged and unexpurgated
translations were made, first by John Payne, under the title The Book of
the Thousand Nights and One Night (1882, nine volumes), and then by Sir
Richard Francis Burton, entitled The Book of the Thousand Nights and a
Night (1885, ten volumes) – the latter was, according to some assessments,
partially based on the former, leading to charges of plagiarism.
In view of the sexual imagery in the source texts (which Burton emphasized
even further, especially by adding extensive footnotes and appendices on
Oriental sexual mores) and the strict Victorian laws on obscene material,
both of these translations were printed as private editions for subscribers
only, rather than published in the usual manner. Burton's original 10 volumes
were followed by a further six (seven in the Baghdad Edition and perhaps
others) entitled The Supplemental Nights to the Thousand Nights and a Night,
which were printed between 1886 and 1888. It has, however, been criticized
for its "archaic language and extravagant idiom" and "obsessive focus on
sexuality" (and has even been called an "eccentric ego-trip" and a "highly
personal reworking of the text").
A notable recent version, which reverts to the Syrian recension, is a critical edition based on the 14th- or 15th-century Syrian manuscript in the Bibliothèque Nationale, originally used by Galland. This version, known as the Leiden text, was compiled in Arabic by Muhsin Mahdi (1984) and rendered into English by Husain Haddawy (1990). Mahdi argued that this version is the earliest extant one (a view that is largely accepted today) and that it reflects most closely a "definitive" coherent text ancestral to all others that he believed to have existed during the Mamluk period (a view that remains contentious). Still, even scholars who deny this version the exclusive status of "the only real Arabian Nights" recognize it as being the best source on the original style and linguistic form of the mediaeval work and praise the Haddawy translation as "very readable" and "strongly recommended for anyone who wishes to taste the authentic flavour of those tales". An additional second volume of Arabian nights translated by Haddawy, composed of popular tales not present in the Leiden edition, was published in 1995.
In 2008 a new English translation was published by Penguin Classics in three volumes. It is translated by Malcolm C. Lyons and Ursula Lyons with introduction and annotations by Robert Irwin. This is the first complete translation of the Macnaghten or Calcutta II edition (Egyptian recension) since Burton's. It contains, in addition to the standard text of 1001 Nights, the so-called "orphan stories" of Aladdin and Ali Baba as well as an alternative ending to The seventh journey of Sindbad from Antoine Galland's original French. As the translator himself notes in his preface to the three volumes, "[N]o attempt has been made to superimpose on the translation changes that would be needed to 'rectify' ... accretions, ... repetitions, non sequiturs and confusions that mark the present text," and the work is a "representation of what is primarily oral literature, appealing to the ear rather than the eye". The Lyons translation includes all the poetry (in plain prose paraphrase) but does not attempt to reproduce in English the internal rhyming of some prose sections of the original Arabic. Moreover, it streamlines somewhat and has cuts. In this sense it is not, as claimed, a complete translation.


Cork Airport takes home marketing award
by By Digital Desk staffCork Airport have been honoured with the Best B2C (business-to-consumer) Campaign at last night’s 2019 Spider Awards.
The award comes for its most recent drive to increase brand awareness and maximise bookings through its digital marketing campaign Love Taking Off.
The campaign focused on a selection of the over 50 routes on offer from Cork Airport across the UK and continental Europe along with an emphasis on the key European hub airports that connect its passengers to further destinations around the globe.
"The objectives of this campaign are to build route awareness, grow passenger numbers by 7% year-on-year and increase Cork Airport’s market share in the south of Ireland," explained their Head of Communications Kevin Cullinane.
"Using a mix of pre-planning and customer research, creative workshops and strategic and targeted online and traditional advertising, the campaign has been a huge success."
The 24th annual Spider Awards took place at the RDS Concert Hall, Dublin.


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KERON国际充分了解客户需求，提供更多元化的服务内容。 因此我们专门开拓了留学行李托运业务、工作派遣行李托运、旅游行李托运等更多元的业务，为您的轻便出行，提供包含空运和海运的单件或多件货物运输业务。随着拎包入住形式的不断兴起，我们还提供小型搬家服务，满足您的小件物品运输需求。
We understand that moving does not always imply moving the whole house and everything that’s in it. To address this, KERON invented the Mini-Move & Excess Baggage services. Mini-Move & Excess Baggage: A simple move comprised of just one to a few boxes of personal effects and household goods. These are available to ship by air or sea.
留学行李托运：出国留学前，您肯定有很多东西想要一起带走，或许远远超出了机票附带的行李份额，如果不想支付巨额的超重费用，但是又不愿舍弃心爱之物，KERON国际的留学行李托运业务能够帮到您。
Baggage: students study abroad, you must have a lot of things to take away, perhaps far beyond the ticket with the luggage share, if you do not want to pay the huge cost of overweight, but also do not want to give up love, KERON international student baggage business can help you.
工作派遣行李托运：无论您是长期工作外派还是短期业务培训，选择KERON国际的行李托运服务，我们可以为您提供快速且经济的私人物品国内、国际运输服务，保证您的生活必需品一直与您随性。
Work to send baggage: whether you are long-term work assignment or short-term business training, KERON international luggage service, we can provide you with fast economic and personal items of domestic and international transportation services, to ensure your necessities of life has been with you with.
旅游行李托运：轻松出行是每个人的期望，KERON国际的个人行李托运业务，让您的梦想成真。我们提供的门到门行李托运，不仅手续简便而且时效更快，满足长途旅行客户的需求。
Tourist baggage check: easy travel is everyone's expectations, KERON international personal baggage business, so that your dreams come true. We provide door-to-door baggage, not only simple procedures, but also faster, to meet the needs of long-distance travel customers.
查询报价随着拎包入住形式广为流行，人们在搬家的时候常常不会带走原有的旧家具或电器，只有搬运部分生活必需品。我们的小型搬家服务正是迎合客户的这一需求设立的，可以为您提供国内和国际的小型搬家，以最简化的流程提供最贴心的服务。
With the bag check form is popular, people often do not take the old furniture or appliances in the move, only handling some daily necessities. Our small moving service is set up to cater to the needs of our customers. It can provide you with small domestic and international moving, and provide the most intimate service with the most streamlined process.
无最小体积限制、无最小重量限制
no minimum volume, no minimum weight limit
没有繁琐的海关文件手续整理工作
There are no complicated customs formalities
时效保证
Time guarantee
本地：包含打包服务最快可在半天内完成
Local: including package service, the fastest can be completed within half a day
国内：江浙沪地区最快一天可达，一线城市平均36小时可达，急件可以提供空运服务
Domestic: Jiangsu the fastest day up, first-tier cities average up to 36 hours, can provide air service dispatch
国际：空运5天可达的门到门服务，海运托运2-4个月到达的门到门服务
International: 5 days door-to-door door-to-door service, sea consignment 2-4 months to reach the door-to-door service
查询报价对不起，当前我们都不在线上。请留言，我们将尽快回复您。
Sorry, we are not online at the moment. Please leave a message and we will reply to you as soon as possible.


{% extends 'base.html' %} {% block content %}
Warning: There were
{{ mismatched_ids|length }} ID(s) that weren't contained
in both distance matrices. These ID(s) were ignored before applying the
Mantel test to the remaining {{ sample_size }} IDs that
were shared between the distance matrices. The following ID(s) were
ignored:
{{ mismatched_ids|sort(case_sensitive=True)|join(', ') }}


---
layout: post
title: 10/14 schoolwork
date: '2013-10-14T22:38:00.002-06:00'
author: Jacob .
tags:
- homeschool-journal
modified_time: '2013-10-18T23:20:37.129-06:00'
thumb: https://lh4.googleusercontent.com/-JJHZHFmLpc4/UlzGtc9Gw9I/AAAAAAAAEpo/OxBzX1LSdxg/s72-c/blogger-image--1712035691.jpg
blogger_id: tag:blogger.com,1999:blog-6400085873105072120.post-7580767817913111882
blogger_orig_url: http://www.svlark.com/2013/10/1017-schoolwork.html
---


CarbonData C++ SDK provides C++ interface to write and read carbon file. C++ SDK use JNI to invoke java SDK in C++ code.
This C++ SDK reader reads CarbonData file and carbonindex file at a given path. External client can make use of this reader to read CarbonData files in C++ code and without CarbonSession.
In the carbon jars package, there exist a carbondata-sdk.jar, including SDK reader for C++ SDK.
Please find example code at main.cpp of CSDK module
When users use C++ to read carbon files, users should init JVM first. Then users create
carbon reader and read data.There are some example code of read data from local disk
and read data from S3 at main.cpp of CSDK module. Finally, users need to
release the memory and destroy JVM.
C++ SDK support read batch row. User can set batch by using withBatch(int batch) before build, and read batch by using readNextBatchRow().
/**
* Create a CarbonReaderBuilder object for building carbonReader,
* CarbonReaderBuilder object can configure different parameter
*
* @param env JNIEnv
* @param path data store path
* @param tableName table name
* @return CarbonReaderBuilder object
*/
jobject builder(JNIEnv *env, char *path, char *tableName);
/**
* Create a CarbonReaderBuilder object for building carbonReader,
* CarbonReaderBuilder object can configure different parameter
*
* @param env JNIEnv
* @param path data store path
*
*/
void builder(JNIEnv *env, char *path);
/**
* Configure the projection column names of carbon reader
*
* @param argc argument counter
* @param argv argument vector
* @return CarbonReaderBuilder object
*/
jobject projection(int argc, char *argv[]);
/**
* Build carbon reader with argument vector
* it supports multiple parameters
* like: key=value
* for example: fs.s3a.access.key=XXXX, XXXX is user's access key value
*
* @param argc argument counter
* @param argv argument vector
* @return CarbonReaderBuilder object
*
*/
jobject withHadoopConf(int argc, char *argv[]);
/**
* Sets the batch size of records to read
*
* @param batch batch size
* @return CarbonReaderBuilder object
*/
void withBatch(int batch);
/**
* Configure Row Record Reader for reading.
*/
void withRowRecordReader();
/**
* Build carbonReader object for reading data
* it supports read data from load disk
*
* @return carbonReader object
*/
jobject build();
/**
* Whether it has next row data
*
* @return boolean value, if it has next row, return true. if it hasn't next row, return false.
*/
jboolean hasNext();
/**
* Read next carbonRow from data
* @return carbonRow object of one row
*/
jobject readNextRow();
/**
* Read Next Batch Row
*
* @return rows
*/
jobjectArray readNextBatchRow();
/**
* Close the carbon reader
*
* @return boolean value
*/
jboolean close();
This C++ SDK writer writes CarbonData file and carbonindex file at a given path. External client can make use of this writer to write CarbonData files in C++ code and without CarbonSession. C++ SDK already supports S3 and local disk.
In the carbon jars package, there exist a carbondata-sdk.jar, including SDK writer for C++ SDK.
Please find example code at main.cpp of CSDK module
When users use C++ to write carbon files, users should init JVM first. Then users create
carbon writer and write data.There are some example code of write data to local disk
and write data to S3 at main.cpp of CSDK module. Finally, users need to
release the memory and destroy JVM.
/**
* Create a CarbonWriterBuilder object for building carbonWriter,
* CarbonWriterBuilder object can configure different parameter
*
* @param env JNIEnv
* @return CarbonWriterBuilder object
*/
void builder(JNIEnv *env);
/**
* Sets the output path of the writer builder
*
* @param path is the absolute path where output files are written
* This method must be called when building CarbonWriterBuilder
* @return updated CarbonWriterBuilder
*/
void outputPath(char *path);
/**
* Sets the list of columns that needs to be in sorted order
*
* @param argc argc argument counter, the number of projection column
* @param argv argv is a string array of columns that needs to be sorted.
* If it is null or by default all dimensions are selected for sorting
* If it is empty array, no columns are sorted
*/
void sortBy(int argc, char *argv[]);
/**
* Configure the schema with json style schema
*
* @param jsonSchema json style schema
* @return updated CarbonWriterBuilder
*/
void withCsvInput(char *jsonSchema);
/**
* Updates the hadoop configuration with the given key value
*
* @param key key word
* @param value value
* @return CarbonWriterBuilder object
*/
void withHadoopConf(char *key, char *value);
/**
* To support the table properties for writer
*
* @param key properties key
* @param value properties value
*/
void withTableProperty(char *key, char *value);
/**
* To support the load options for C++ sdk writer
*
* @param options key,value pair of load options.
* supported keys values are
* a. bad_records_logger_enable -- true (write into separate logs), false
* b. bad_records_action -- FAIL, FORCE, IGNORE, REDIRECT
* c. bad_record_path -- path
* d. dateformat -- same as JAVA SimpleDateFormat
* e. timestampformat -- same as JAVA SimpleDateFormat
* f. complex_delimiter_level_1 -- value to Split the complexTypeData
* g. complex_delimiter_level_2 -- value to Split the nested complexTypeData
* h. quotechar
* i. escapechar
*
* Default values are as follows.
*
* a. bad_records_logger_enable -- "false"
* b. bad_records_action -- "FAIL"
* c. bad_record_path -- ""
* d. dateformat -- "" , uses from carbon.properties file
* e. timestampformat -- "", uses from carbon.properties file
* f. complex_delimiter_level_1 -- "$"
* g. complex_delimiter_level_2 -- ":"
* h. quotechar -- "\""
* i. escapechar -- "\\"
*
* @return updated CarbonWriterBuilder
*/
void withLoadOption(char *key, char *value);
/**
* Sets the taskNo for the writer. CSDKs concurrently running
* will set taskNo in order to avoid conflicts in file's name during write.
*
* @param taskNo is the TaskNo user wants to specify.
* by default it is system time in nano seconds.
*/
void taskNo(long taskNo);
/**
* Set the timestamp in the carbondata and carbonindex index files
*
* @param timestamp is a timestamp to be used in the carbondata and carbonindex index files.
* By default set to zero.
* @return updated CarbonWriterBuilder
*/
void uniqueIdentifier(long timestamp);
/**
* To make c++ sdk writer thread safe.
*
* @param numOfThreads should number of threads in which writer is called in multi-thread scenario
* default C++ sdk writer is not thread safe.
* can use one writer instance in one thread only.
*/
void withThreadSafe(short numOfThreads) ;
/**
* To set the carbondata file size in MB between 1MB-2048MB
*
* @param blockSize is size in MB between 1MB to 2048 MB
* default value is 1024 MB
*/
void withBlockSize(int blockSize);
/**
* To set the blocklet size of CarbonData file
*
* @param blockletSize is blocklet size in MB
* default value is 64 MB
* @return updated CarbonWriterBuilder
*/
void withBlockletSize(int blockletSize);
/**
* @param localDictionaryThreshold is localDictionaryThreshold, default is 10000
* @return updated CarbonWriterBuilder
*/
void localDictionaryThreshold(int localDictionaryThreshold);
/**
* @param enableLocalDictionary enable local dictionary, default is false
* @return updated CarbonWriterBuilder
*/
void enableLocalDictionary(bool enableLocalDictionary);
/**
* @param appName appName which is writing the carbondata files
*/
void writtenBy(char *appName);
/**
* Build carbonWriter object for writing data
* it support write data from load disk
*
* @return carbonWriter object
*/
void build();
/**
* Write an object to the file, the format of the object depends on the
* implementation.
* Note: This API is not thread safe
*/
void write(jobject obj);
/**
* close the carbon Writer
*/
void close();
/**
* Constructor with jni env
*
* @param env jni env
*/
CarbonSchemaReader(JNIEnv *env);
/**
* Read schema from path,
* path can be folder path, carbonindex file path, and carbondata file path
* and will not check all files schema
*
* @param path file/folder path
* @return schema
*/
jobject readSchema(char *path);
/**
* Read schema from path,
* path can be folder path, carbonindex file path, and carbondata file path
* and user can decide whether check all files schema
*
* @param path carbon data path
* @param validateSchema whether check all files schema
* @return schema
*/
jobject readSchema(char *path, bool validateSchema);
/**
* Read schema from path,
* path can be folder path, carbonindex file path, and carbondata file path
* and will not check all files schema
*
* @param path file/folder path
* @param conf configuration support, can set s3a AK,SK,
* end point and other conf with this
* @return schema
*/
jobject readSchema(char *path, Configuration conf);
/**
* Read schema from path,
* path can be folder path, carbonindex file path, and carbondata file path
* and user can decide whether check all files schema
*
* @param path carbon data path
* @param validateSchema whether check all files schema
* @param conf configuration support, can set s3a AK,SK,
* end point and other conf with this
* @return schema
*/
jobject readSchema(char *path, bool validateSchema, Configuration conf);
/**
* Constructor with jni env and carbon schema data
*
* @param env jni env
* @param schema carbon schema data
*/
Schema(JNIEnv *env, jobject schema);
/**
* Get fields length of schema
*
* @return fields length
*/
int getFieldsLength();
/**
* Get field name by ordinal
*
* @param ordinal the data index of carbon schema
* @return ordinal field name
*/
char *getFieldName(int ordinal);
/**
* Get field data type name by ordinal
*
* @param ordinal the data index of carbon schema
* @return ordinal field data type name
*/
char *getFieldDataTypeName(int ordinal);
/**
* Get array child element data type name by ordinal
*
* @param ordinal the data index of carbon schema
* @return ordinal array child element data type name
*/
char *getArrayElementTypeName(int ordinal);
/**
* Constructor of CarbonProperties
*
* @param env JNI env
*/
CarbonProperties(JNIEnv *env);
/**
* This method will be used to add a new property
*
* @param key property key
* @param value property value
* @return CarbonProperties object
*/
jobject addProperty(char *key, char *value);
/**
* This method will be used to get the properties value
*
* @param key property key
* @return property value
*/
char *getProperty(char *key);
/**
* This method will be used to get the properties value
* if property is not present then it will return the default value
*
* @param key property key
* @param defaultValue property default Value
* @return
*/
char *getProperty(char *key, char *defaultValue);


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