Tools: React, D3.js
The graph network below use figures from a dataset of every confirmed COVID-19 case announced since January 24, 2020 when the country’s first case was reported, to March 23, 2020. The data tracks confirmed cases by gender, age, status, source of infection and other information published in case reports and official press releases from Singapore's Ministry of Health (MOH). I created an animation to track the growth and spread of COVID-19 cases over time, with the network helping to visualize the relationships between cases.
Click here to view the full animation.
Click here to go directly to the interactive visualization.
With the timeline animation, it is possible to track which cases were initially unlinked and eventually discovered to belong to a new cluster by the movement of nodes from one point to another and simultaneous creation of edges. The animation visualizes the growth of COVID-19 cases over two months (Jan 24 to March 23). It certainly felt alarming to see how the empty canvas was gradually filled up with hundreds of nodes!
We can see the connector nodes between the Life Church and Missions Singapore and Grace Assembly of God cluster, through a Chinese New Year house gathering. The missing link between the clusters was announced by MOH on Feb 25.
Another interesting observation is how the SAFRA Jurong Cluster exploded in a matter of days with many highly connected entities, with 2 cases starting a new cluster through their social interactions with others.
It can be observed that there are distinct phases in Singapore's growth trajectory of COVID-19 cases. The first locally transmitted case was announced on Feb 4. Since then small clusters of local transmission have emerged, but the outbreak was still kept under control. As COVID-19 spread globally, imported cases in Singapore surged due to a spike in travellers returning to Singapore, particularly from the United Kingdom.
To see a detailed view of a player's statistics and connections (other players on the same team), hover over his node. A player can also be searched for using the search bar.
Nodes transition to a new color scheme according to filter selected. An interesting observation is young population of returnees from the United Kingdom (bluer nodes), and relatively older population (pinkish nodes) of unlinked cases and from the SAFRA Jurong cluster, as of March 23.
Considering the large numbers of graph elements on the screen, to declutter and highlight nodes belonging a certain category (eg. foreigners infected with COVID-19 in Singapore), a filter can be applied. Here, square nodes (foreigners) have been left opaque, with other nodes faded out. The pan & zoom functionality also enables the user to have a closer inspection of clusters and linkages.


This code is free and open source under the MIT license. See here for source code. NO WARRANTY. This app works best with recent versions of Firefox or Chrome. It may work with at least Internet Explorer version 11. File bugs or feature requests here or email me


Let's look at an example:
pass in on egress proto tcp from any to any port 80 rdr-to <IP_ADDRESS>This line redirects TCP port 80 (web server) traffic to a machine inside the network at <IP_ADDRESS>. So, even though <IP_ADDRESS> is behind your gateway and inside your network, the outside world can access it.
The from any to any
part of the above rdr
line can be
quite useful.
If you know what addresses or subnets are supposed to have access to the web
server at port 80, you can restrict them here:
pass in on egress proto tcp from <IP_ADDRESS>/24 to any port 80 rdr-to <IP_ADDRESS>This will redirect only the specified subnet. Note this implies you can redirect different incoming hosts to different machines behind the gateway. This can be quite useful as well. For example, you could have users at remote sites access their own desktop computers using the same port and IP address on the gateway as long as you know the IP address they will be connecting from.
pass in on egress proto tcp from <IP_ADDRESS> to any port 80 rdr-to <IP_ADDRESS> pass in on egress proto tcp from <IP_ADDRESS> to any port 80 rdr-to <IP_ADDRESS> pass in on egress proto tcp from <IP_ADDRESS> to any port 80 rdr-to <IP_ADDRESS>A range of ports can also be redirected within the same rule:
pass in on egress proto tcp from any to any port 5000:5500 \ rdr-to <IP_ADDRESS> pass in on egress proto tcp from any to any port 5000:5500 \ rdr-to <IP_ADDRESS> port 6000 pass in on egress proto tcp from any to any port 5000:5500 \ rdr-to <IP_ADDRESS> port 7000:*These examples show ports 5000 to 5500 inclusive being redirected to <IP_ADDRESS>. In rule #1, port 5000 is redirected to 5000, 5001 to 5001, etc. In rule #2, the entire port range is redirected to port 6000. And in rule #3, port 5000 is redirected to 7000, 5001 to 7001, etc.
These risks can be minimized by keeping the externally accessed system tightly confined on a separate network. This network is often referred to as a Demilitarized Zone (DMZ) or a Private Service Network (PSN). This way, if the web server is compromised, the effects can be limited to the DMZ/PSN network by careful filtering of the traffic permitted to and from the DMZ/PSN.
server = <IP_ADDRESS> pass in on egress proto tcp from any to egress port 80 rdr-to $server port 80But when the redirection rule is tested from a client on the LAN, it doesn't work. The reason is that redirection rules apply only to packets that pass through the specified interface (egress, the external interface, in the example). Connecting to the external address of the firewall from a host on the LAN, however, does not mean the packets will actually pass through its external interface. The TCP/IP stack on the firewall compares the destination address of incoming packets with its own addresses and aliases and detects connections to itself as soon as they have passed the internal interface. Such packets do not physically pass through the external interface, and the stack does not simulate such a passage in any way. Thus, PF never sees these packets on the external interface, and the redirection rule, specifying the external interface, does not apply.
Adding a second redirection rule for the internal interface does not have the desired effect either. When the local client connects to the external address of the firewall, the initial packet of the TCP handshake reaches the firewall through the internal interface. The redirection rule does apply and the destination address gets replaced with that of the internal server. The packet gets forwarded back through the internal interface and reaches the internal server. But the source address has not been translated, and still contains the local client's address, so the server sends its replies directly to the client. The firewall never sees the reply and has no chance to properly reverse the translation. The client receives a reply from a source it never expected and drops it. The TCP handshake then fails and no connection can be established.
Still, it's often desirable for clients on the LAN to connect to the same internal server as external clients and to do so transparently. There are several solutions for this problem:
pass in on $int_if proto tcp from $int_net to egress port 80 rdr-to $server pass out on $int_if proto tcp to $server port 80 received-on $int_if nat-to $int_ifThis will cause the initial packet from the client to be translated again when it's forwarded back through the internal interface, replacing the client's source address with the firewall's internal address. The internal server will reply back to the firewall, which can reverse both NAT and RDR translations when forwarding to the local client. This construct is rather complex as it creates two separate states for each reflected connection. Care must be taken to prevent the NAT rule from applying to other traffic, for instance connections originating from external hosts (through other redirections) or the firewall itself. Note that the
rdr-to
rule above will cause the TCP/IP stack to see
packets arriving on the internal interface with a destination address
inside the internal network.


AssetParams
in package
Specifies the parameters for an asset.
[apar] when part of an AssetConfig transaction.
Class AssetParams
Table of Contents
- $clawback : string
- Address of account used to clawback holdings of this asset.
- $creator : string
- The address that created this asset.
- $decimals : int
- The number of digits to use after the decimal point when displaying this asset.
- $defaultFrozen : bool
- Whether holdings of this asset are frozen by default.
- $freeze : string
- Address of account used to freeze holdings of this asset.
- $manager : string
- Address of account used to manage the keys of this asset and to destroy it.
- $metadataHash : string
- A commitment to some unspecified asset metadata. The format of this metadata is up to the application.
- $name : string
- Name of this asset, as supplied by the creator.
- $reserve : string
- Address of account holding reserve (non-minted) units of this asset.
- $total : int
- The total number of units of this asset.
- $unitName : string
- Name of a unit of this asset, as supplied by the creator.
- $url : string
- URL where more information about the asset can be retrieved.
Properties
$clawback
Address of account used to clawback holdings of this asset.
public
string
$clawback
If empty, clawback is not permitted.
$creator
The address that created this asset.
public
string
$creator
This is the address where the parameters for this asset can be found, and also the address where unwanted asset units can be sent in the worst case.
Tags
$decimals
The number of digits to use after the decimal point when displaying this asset.
public
int
$decimals
If 0, the asset is not divisible. If 1, the base unit of the asset is in tenths. If 2, the base unit of the asset is in hundredths, and so on.
This value must be between 0 and 19 (inclusive). Minimum value : 0 Maximum value : 19
Tags
$defaultFrozen
Whether holdings of this asset are frozen by default.
public
bool
$defaultFrozen
$freeze
Address of account used to freeze holdings of this asset.
public
string
$freeze
If empty, freezing is not permitted.
$manager
Address of account used to manage the keys of this asset and to destroy it.
public
string
$manager
$metadataHash
A commitment to some unspecified asset metadata. The format of this metadata is up to the application.
public
string
$metadataHash
$name
Name of this asset, as supplied by the creator.
public
string
$name
$reserve
Address of account holding reserve (non-minted) units of this asset.
public
string
$reserve
$total
The total number of units of this asset.
public
int
$total
Tags
$unitName
Name of a unit of this asset, as supplied by the creator.
public
string
$unitName
$url
URL where more information about the asset can be retrieved.
public
string
$url


Enable the tools you want to use with Clockify extension. You can enable everything by clicking the "Enable all" button.


{% load static %}
{% block title %}WalHID{% endblock %}
{% block nav %}
WalHID
{% url "home" as home_url %} {% url "sessions" as sessions_url %} {% url "jobs" as jobs_url %} {% url "upload_payload" as upload_payload_url %} {% url "remote" as remote_url %}
Accueil
Sessions
Gestionnaires
Logiciel malveillant
Activation à distance
{% url "about" as about_url %}
A propos
{% endblock %}
{% block content %}{% endblock %}


Here’s a place where Scala does some clever stuff which ultimately might produce a more complicated programming model than one would like. I discovered it while sorting out some issues with the first exercise in the References & Mutability atom in Atomic Scala.
I’ll give you the examples directly out of the solution guide — this includes the use of our tiny AtomicScala test framework, but if you don’t want to include that you can just comment out the import and all the is statements and you’ll still get the same results.
The default Map class is immutable. So if we try to change an existing element or add a new key-value pair, it won’t let us, as expected:
// Solution-1a.scala
// Solution to Exercise 1 in "References & Mutability"
import com.atomicscala.AtomicTest._
var m = Map("Foo" -> "Bar")
m("Goat") = "Calico" // Try to add a new pair
/* OUTPUT_SHOULD_CONTAIN
error: value update is not a member of scala.collection.immutable.Map[String,String]
m("Goat") = "Calico" // Try to add a new pair
^
one error found
*/
(The same error is produced when trying to change an existing element).
But now there is a surprise. The += and -= operators, at first blush, appear to allow modification of m:
// Solution-1c.scala
// Solution to Exercise 1 in "References & Mutability"
import com.atomicscala.AtomicTest._
var m = Map("Foo" -> "Bar")
val original = m
m is "Map(Foo -> Bar)"
// Surprise! The following appears to be modifying an existing
// immutable map! What's happening here?
m += ("Frog" -> "Green")
m += ("Cow" -> "Brown")
m is "Map(Foo -> Bar, Frog -> Green, Cow -> Brown)"
m -= "Cow"
m is "Map(Foo -> Bar, Frog -> Green)"
/* The '+' and '-' parts of '+=' and '-=' cause a new Map to be
created, and the '=' part assigns that new map to m, which works
because m is a var. Try changing it to a val and see what happens.
But the original Map object is not modified, as you can see here: */
original is "Map(Foo -> Bar)"
/* OUTPUT_SHOULD_BE
Map(Foo -> Bar)
Map(Foo -> Bar, Frog -> Green, Cow -> Brown)
Map(Foo -> Bar, Frog -> Green)
Map(Foo -> Bar)
*/
Once we realize what’s happening, it does kind of make sense. And Map’s immutability is not violated, while still allowing what we want to accomplish with the += and -=.
When you start thinking this way, that the reason this works is because m is a var, it then makes sense to think that if you change m to a val, the above code should stop working. But we’re in for another surprise:
// Solution-1d.scala
// Solution to Exercise 1 in "References & Mutability"
import com.atomicscala.AtomicTest._
import collection.mutable.Map
val m = Map("Foo" -> "Bar")
val original = m
m is "Map(Foo -> Bar)"
m("Foo") = "Zup"
m is "Map(Foo -> Zup)"
m("Goat") = "Calico" // Adds a new pair
m is "Map(Goat -> Calico, Foo -> Zup)"
// From our logic in Solution-1c.scala, this SHOULDN'T work. But it
// does! NOW what's going on?
m += ("Frog" -> "Green")
m += ("Cow" -> "Brown")
m is "Map(Goat -> Calico, Foo -> Zup, Frog -> Green, Cow -> Brown)"
m -= "Cow"
m is "Map(Goat -> Calico, Foo -> Zup, Frog -> Green)"
/* In Solution-1c.scala, the += wasn't overloaded for the immutable
Map, so Scala synthesized it by first applying '+' and then '='.
But there IS a += defined for the mutable Map, so that is called in
this case. */
// Note that here, the original IS being directly modified:
original is "Map(Goat -> Calico, Foo -> Zup, Frog -> Green)"
/* OUTPUT_SHOULD_BE
Map(Foo -> Bar)
Map(Foo -> Zup)
Map(Goat -> Calico, Foo -> Zup)
Map(Goat -> Calico, Foo -> Zup, Frog -> Green, Cow -> Brown)
Map(Goat -> Calico, Foo -> Zup, Frog -> Green)
Map(Goat -> Calico, Foo -> Zup, Frog -> Green)
*/
It works. It’s clever and probably useful. But I worry about having to think this hard about something so apparently simple. It could be that I’m just not used to thinking “The Scala Way” yet. But it could also be that there are just a lot of special cases.
For example, now that we are thinking this way — that if something is immutable, you just create a val reference and Scala will synthesize += and -= — we encounter Vector, and suddenly what we thought was consistent is not. Because Vector (which doesn’t have a mutable counterpart) does not synthesize += and -=. Instead, you must apparently explicitly perform the assignment part of those operations:
// Solution-4.scala
// Solution to Exercise 4 in "References & Mutability"
import com.atomicscala.AtomicTest._
var shapes = Vector("Round", "Rectangular", "Oblong")
shapes = shapes :+ "Pointy" // Append at end
shapes = "Ovoid" +: shapes // Insert at beginning
shapes is "Vector(Ovoid, Round, Rectangular, Oblong, Pointy)"
shapes ++ "Sticky" is
"Vector(Ovoid, Round, Rectangular, Oblong, Pointy, S, t, i, c, k, y)"
shapes ++ Vector("Sticky") is
"Vector(Ovoid, Round, Rectangular, Oblong, Pointy, Sticky)"
// Works the other way around, as well:
Vector("Sticky") ++ shapes is
"Vector(Sticky, Ovoid, Round, Rectangular, Oblong, Pointy)"
// Wait, there ARE assignment-combination operators. Pretend the ':'
// represents the collection (two dots represent two elements?) and
// the '+' then shows which side you're attaching the new element
// onto:
shapes +:= "Fat"
shapes :+= "Skinny"
shapes is "Vector(Fat, Ovoid, Round, Rectangular, Oblong, Pointy, Skinny)"
/* OUTPUT_SHOULD_BE
Vector(Ovoid, Round, Rectangular, Oblong, Pointy)
Vector(Ovoid, Round, Rectangular, Oblong, Pointy, S, t, i, c, k, y)
Vector(Ovoid, Round, Rectangular, Oblong, Pointy, Sticky)
Vector(Sticky, Ovoid, Round, Rectangular, Oblong, Pointy)
Vector(Fat, Ovoid, Round, Rectangular, Oblong, Pointy, Skinny)
*/
But wait, there IS an assignment-combination operator. It’s just not shown in the docs for Vector or its base-class AbstractSeq. So it’s one of the synthesized ones, apparently, and I’m supposed to remember that (1) assignment-combination operators get synthesized (2) they can be different for each class and (3) they don’t show up in the docs.
It wouldn’t be so bad if there was an alternative named method for +:=, :+= etc., which you could use instead (and would show up in the docs). But that this is the ONLY way to do it and it doesn’t appear in the docs and nobody seems to think it’s a problem — that’s a big problem.
There are numerous other examples of these issues (like List and MutableList) but I’ll stop. From the standpoint of the programmer, I’m confused. I don’t have a consistent way to think about collections. Which means I’m going to have to look things up fairly often. Except when they aren’t there, when I’ll have to remember them. In the different ways that they might happen.
Once, I could run circles around C++ operator overloading, which is complicated because you have to worry about storage allocation and release (garbage collectors eliminate those problems). I don’t remember that like I once did because C++ must be backwards compatible with C, and that introduced arbitrary complications which are essential to the language implementation rather than being essential to what you’re trying to accomplish with the language. That’s what makes the details hard to remember. And I find that if I can’t hold important issues in my head, it slows me down. So that’s what concerns me.
I’ve learned a great deal from studying Scala, and am very thankful for that. Scala is clearly able to solve some very interesting and complex problems quite well, and because it’s built on the JVM ecosystem, less complex languages can use and benefit from those solutions. But I’m seriously beginning to wonder whether Scala can reach beyond anyone but the niche elite — despite the fact that I’ve worked hard so that Atomic Scala presents the language as simple for the first-time user (sometimes I feel like I’m creating a dishonest view of the language, but I feel like if I don’t, then even fewer people will get past the initial hurdles).
In many ways, Scala is a grand, ambitious experiment; a very valuable one at that. (Studying Scala has been very useful for me, and has significantly expanded my horizons). A big part of that experiment, though, could be to answer the question, “Is it possible to achieve perfect typing?” As this article shows (especially see the On Acknowledging Problems section at the end of the article, and the Ycombinator discussion), the answer might be a descent into an infinitely recursive rabbit hole.


Manages the SQLite database storage.
More...
Manages the SQLite database storage.
◆ DatabaseService()
| Lingvo.MobileApp.Services.DatabaseService.DatabaseService |
( |
string |
dbPath | ) |
|
|
inline |
Creates a new instance
- Parameters
-
| dbPath | The path to the database (.sqlite file). Created if not exists. |
◆ createTables()
| void Lingvo.MobileApp.Services.DatabaseService.createTables |
( |
| ) |
|
|
inline |
Initializes a newly created database by creating the necessary tables.
◆ Delete() [1/4]
| void Lingvo.MobileApp.Services.DatabaseService.Delete |
( |
TeacherMemo |
memo | ) |
|
|
inline |
Delete the specified memo and its recordings.
- Parameters
-
◆ Delete() [2/4]
| void Lingvo.MobileApp.Services.DatabaseService.Delete |
( |
Recording |
recording | ) |
|
|
inline |
Delete the specified recording.
- Parameters
-
◆ Delete() [3/4]
| void Lingvo.MobileApp.Services.DatabaseService.Delete |
( |
Page |
page | ) |
|
|
inline |
Delete the specified page and its recordings.
- Parameters
-
◆ Delete() [4/4]
| void Lingvo.MobileApp.Services.DatabaseService.Delete |
( |
Workbook |
workbook | ) |
|
|
inline |
Delete the specified workbook, all its pages and their recordings.
- Parameters
-
◆ FindPage()
| Page Lingvo.MobileApp.Services.DatabaseService.FindPage |
( |
int |
pageId | ) |
|
|
inline |
Gets the page with references (all existing recordings)
- Returns
- The page with references.
- Parameters
-
◆ FindRecording()
| Recording Lingvo.MobileApp.Services.DatabaseService.FindRecording |
( |
int |
id | ) |
|
|
inline |
Finds the recording by id.
- Returns
- The recording.
- Parameters
-
◆ FindTeacherMemo()
| TeacherMemo Lingvo.MobileApp.Services.DatabaseService.FindTeacherMemo |
( |
int |
teacherMemoId | ) |
|
|
inline |
Gets the teacher memo with references (all existing recordings)
- Returns
- The teacher memo with references.
- Parameters
-
| teacherMemoId | Teacher memo identifier. |
◆ FindTeacherMemos()
| IEnumerable<TeacherMemo> Lingvo.MobileApp.Services.DatabaseService.FindTeacherMemos |
( |
| ) |
|
|
inline |
Gets all the teacher memos with references (all existing recordings)
- Returns
- The teacher memos with references.
◆ FindWorkbook()
| Workbook Lingvo.MobileApp.Services.DatabaseService.FindWorkbook |
( |
int |
workbookId | ) |
|
|
inline |
Gets the workbook with all references: all associated pages and for all pages the existing recordings
- Returns
- The workbook with references.
- Parameters
-
| workbookId | Workbook identifier. |
◆ FindWorkbooks()
| IEnumerable<Workbook> Lingvo.MobileApp.Services.DatabaseService.FindWorkbooks |
( |
| ) |
|
|
inline |
Gets all the workbooks with all references: all associated pages and for all pages the existing recordings
- Returns
- The workbooks with references.
◆ Save() [1/4]
| void Lingvo.MobileApp.Services.DatabaseService.Save |
( |
Recording |
recording | ) |
|
|
inline |
Save the specified recording.
- Parameters
-
◆ Save() [2/4]
| void Lingvo.MobileApp.Services.DatabaseService.Save |
( |
Page |
page | ) |
|
|
inline |
Save the specified page, updates it if it already exists.
- Parameters
-
◆ Save() [3/4]
| void Lingvo.MobileApp.Services.DatabaseService.Save |
( |
Workbook |
workbook | ) |
|
|
inline |
Save the specified workbook, updates it if it already exists.
- Parameters
-
◆ Save() [4/4]
| void Lingvo.MobileApp.Services.DatabaseService.Save |
( |
TeacherMemo |
memo | ) |
|
|
inline |
Save the specified memo
- Parameters
-
◆ Pages
| IEnumerable<Page> Lingvo.MobileApp.Services.DatabaseService.Pages => database.Table<Page>() |
The list of all Pages present in the database.
◆ Recordings
| IEnumerable<Recording> Lingvo.MobileApp.Services.DatabaseService.Recordings => database.Table<Recording>() |
The list of all Recordings present in the database.
◆ TeacherMemos
| IEnumerable<TeacherMemo> Lingvo.MobileApp.Services.DatabaseService.TeacherMemos => database.Table<TeacherMemo>() |
The list of all TeacherMemos present in the database.
◆ Workbooks
| IEnumerable<Workbook> Lingvo.MobileApp.Services.DatabaseService.Workbooks => database.Table<Workbook>() |
The list of all Workbooks present in the database.
◆ PageChanged
| Action<Page> Lingvo.MobileApp.Services.DatabaseService.PageChanged |
Raised when a Page in the database is added, modified ot deleted.
◆ RecordingChanged
| Action<Recording> Lingvo.MobileApp.Services.DatabaseService.RecordingChanged |
Raised when a Recording in the database is added, modified ot deleted.
◆ TeacherMemoChanged
| Action<TeacherMemo> Lingvo.MobileApp.Services.DatabaseService.TeacherMemoChanged |
Raised when a TeacherMemo in the database is added, modified ot deleted.
◆ WorkbookChanged
| Action<Workbook> Lingvo.MobileApp.Services.DatabaseService.WorkbookChanged |
Raised when a Workbook in the database is added, modified or deleted.
The documentation for this class was generated from the following file:
- src/MobileApp/Services/DatabaseService.cs


Dongria People
Below is the audio recording of an instance when the Dongria farmers worship the nature to bless them with rain for a good harvest. As more and more people from the tribe join in and earnestly offer their prayer-cum-song ('bhajan'), the nature blesses them with rain.
Press play to experience their journey with nature:
Time:
About The Tribe
The Niyamgiri hill range in Odisha state, eastern India, is home to the Dongria Kondh tribe. Dongria Khonds (also spelt Kondha, Kandha etc.) are a tribal community in India. They derive their name from 'dongar', meaning ‘hill’ and the name for themselves is 'jharnia' meaning protector of streams. To be a Dongria Kondh is to farm the hills’ fertile slopes, harvest their produce, and worship the nature.
Traditionally hunter-gatherers, they hold large tracts of fertile land but still practice hunting, gathering and slash-and-burn agriculture in the forests as a symbol of their connection to and ownership of the forest.
The deep reverence that the Dongria have for their gods, hills and streams pervades every aspect of their lives. Even their art reflects the same.
Nature Worship
Offering prayers to nature is a common practice among the Dongria Khond People. Traditionally, the Dongria religious beliefs were syncretic combining totemism, animism, ancestor worship, shamanism and nature worship; the most important being the godess Earth, who is held to be the creator and sustainer of the world.
The deep connection that the Dongria people have with their land and enviornment, very well explains and justifies their rain-invoking rituals. Monsoon season is a very important season for the farmers sect in India and as a result, the Dongria people often offer their prayers in the form of 'bhajans', followed by their traditional dance in the honour of mother Earth to bless them will ample rain for a good surplous harvest.


god is a girl
问题描述 :
One day,when I was dreaming,god went into my dream,she was pretty cute,just like /^_^\…
I really wanted to talked to her,but my English was so poor and she was not a national god but a foreign one…After thirty minutes,she flew away…but story was not finished here,she had left a letter for me!!!What puzzled me so much is the letter was encoded.I had thought for many days,but still can’t get it. Now I turn to you for help,with some limited prompts,can you help me to decode the whole letter?
I really wanted to talked to her,but my English was so poor and she was not a national god but a foreign one…After thirty minutes,she flew away…but story was not finished here,she had left a letter for me!!!What puzzled me so much is the letter was encoded.I had thought for many days,but still can’t get it. Now I turn to you for help,with some limited prompts,can you help me to decode the whole letter?
Prompts:
GDJIJ,EL SSJT UT YWOSQNIVZMI. -> HELLO,MY NAME IS LINDAINVERS.
CN WLP JRVMFGQ BVR,IJCFI? -> DO YOU REQUIRE AID,HUMAN?
NMAB VYNNF, FI’E VC HP IXJ ZLQZI. -> ONCE AGAIN, IT’S UP TO THE ELVES.
…
输入:
There is multy cases,please process to EOF.
Each case is one line of string with uppercase letters and white spaces and other symbols.
Each case is one line of string with uppercase letters and white spaces and other symbols.
输出:
There is multy cases,please process to EOF.
Each case is one line of string with uppercase letters and white spaces and other symbols.
Each case is one line of string with uppercase letters and white spaces and other symbols.
样例输入:
SGC CGGJX GC BMHVQ BGU BCIHNYNBX GNPLV!
样例输出:
THE FLOWS OF MAGIC ARE WHIMSICAL TODAY!
/*
分析：
和那位前辈一样，看到结题报告的那一刻，我
被征服了。。。囧~
2012-09-16
*/
#include"stdio.h" #include"string.h" #include"ctype.h" int main() { int a[1001]={0,1,1}; char str[1011]; int i; int num; for(i=3;i<=1000;i++) a[i]=(a[i-1]+a[i-2])%26; while(gets(str)) { num=0; for(i=0;str[i];i++) { if(isupper(str[i])) { num++; printf("%c",isupper(str[i]+a[num])?str[i]+a[num]:str[i]+a[num]-26); } else printf("%c",str[i]); } printf("\n"); } return 0; }
解题转自：http://blog.csdn.net/ice_crazy/article/details/7985215
(adsbygoogle = window.adsbygoogle || []).push({});
下来还喝了口水
下来还喝了口水
下来还喝了口水
下来还喝了口水
下来还喝了口水
下来还喝了口水
下来还喝了口水
下来还喝了口水
很好的思路，可以借鉴
网站做得很好看，内容也多，全。前段时间在博客园里看到有人说：网页的好坏看字体。觉得微软雅黑的字体很好看，然后现在这个网站也用的这个字体！nice!
理解错了。。。。。谢谢楼主~~
為甚麼fln*20+0.5f
不错的代码！
这是研发类的题还是算法类？
不好意思，写错了．应该是 path[0]=0, visited[V] = true;
沙发呢，我抢到了沙发
We do not harbor that I couldn’t remove other individuals’ problems whenever this arrived at.
可以参考算法导论中的时间戳。就是结束访问时间，最后结束的顶点肯定是入度为0的顶点，因为DFS要回溯


In this project, I implemented Image Quilting for Texture Synthesis and Texture Transfer, and Light Field Camera with varying focus depth and aperture size. It was a great fun to see how we can build an image of a whole wall using a sample with only several bricks, and it's interesting to use patches from a painting to depict objects in another painting. The simulation of light field camera is actually very useful for people who took pictures and want to change focus points later. Actually there is a released app called Refocusing which follows similar ideas and made it into application.
From this final project, I also learned how to read a paper and how to implement the algorithms in paper. The algorithms used for both parts are not complicated, but the results are very promising, and the result can be further improved by adjusting parameters. So never be daunted to read and implement a paper! : )
created with
Website Builder Software .


--- layout: archive title: Zulip Chat Archive permalink: /stream/113488-general/topic/erw.20in.20conv.html ---
Is it intentional that you have to import tactic.converter.interactive
to get the new conv
goodies?
It's not mentioned in the docs
That's true, it should be
I just put them where the already existing extras were
But you'll always have to import something
Last updated: Apr 24 2020 at 19:02 UTC


Overview
Testing will be conducted to determine that the software
meets its requirements as specified in the following
documents:
Software Requirements Specification
Test Platform
Unless specified otherwise by the individual test
method, all tests are performed on a production PushTracker E2.
Test Level
Software Item - this test level verifies the correct
operation of each software unit contained within the
software item. No additional system hardware is required
to complete this level of verification.
External Software Interface - this test level verifies
the correct operation of each external software
interface. The system under test will be verified
against an applicable external interface device as
specified in the test method.
System - this test level verifies the correct operation
of the software through the entire system. System level
activities such as event sequence tests are performed in
a controlled environment by system integrators.


SignedData(raw: SerializedBytes<T>, sig: WithKey)
A serialized piece of data and its signature. Enforces signature validity in order to deserialize the data contained within.
raw - the raw serialized data.
raw
sig - the (unverified) signature for the data.
sig


LINCS L1000 is a high-throughput technology that allows the gene expression measurement in a large number of assays. However, to fit the measurements of ~1000 genes in the ~500 color channels of LINCS L1000, every two landmark genes are designed to share a single channel. Thus, a deconvolution step is required to infer the expression values of each gene. Any errors in this step can be propagated adversely to the downstream analyses. We present a LINCS L1000 data peak calling R package l1kdeconv based on a new outlier detection method and an aggregate Gaussian mixture model. Upon the remove of outliers and the borrowing information among similar samples, l1kdeconv shows more stable and better performance than methods commonly used in LINCS L1000 data deconvolution.
| Version: | 1.2.0 |
| Depends: | R (≥ 3.2.0) |
| Imports: | stats, mixtools, ggplot2 |
| Published: | 2017-07-08 |
| Author: | Zhao Li[aut], Peng Yu[aut, cre] |
| Maintainer: | Zhao Li <lizhao.informatics at gmail.com> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| NeedsCompilation: | no |
| CRAN checks: | l1kdeconv results |
| Reference manual: | l1kdeconv.pdf |
| Package source: | l1kdeconv_1.2.0.tar.gz |
| Windows binaries: | r-devel: l1kdeconv_1.2.0.zip, r-release: l1kdeconv_1.2.0.zip, r-oldrel: l1kdeconv_1.2.0.zip |
| OS X binaries: | r-release: l1kdeconv_1.2.0.tgz, r-oldrel: l1kdeconv_1.2.0.tgz |
| Old sources: | l1kdeconv archive |
Please use the canonical form https://CRAN.R-project.org/package=l1kdeconv to link to this page.


[ false ] is true. Remove the brackets
if [ false ]
then
echo "triggers anyways"
fi
if false
then
echo "never triggers"
fi
[ str ]
checks whether str
is non-empty. It doesn't matter if str
is false
, it will still be evaluated for non-emptyness.
Instead, use the command false
which -- as the manual puts it -- does nothing, unsuccessfully.
None


DC Elements
A set of no-dependency web components.
Repo:
https://github.com/UnJavaScripter/dc-elements


| Up | TOC | Index | |||||
| << 5 Formal Syntax | < 5.2.7 Object Constants | Up: 6 Mini-Guides | 6.1.2 animal.ex > | 7 Included Tools >> |
6.1.1 allsorts.ex
Comparison of different sorting algorithms.
<IP_ADDRESS> Notes
The slower sorts will be omitted after a while.
Bucket sort looks really good, but remember that the other sorts are generic, and can handle integers, floating-point numbers, strings, etc. Bucket sort can only sort integers, and the integers need to be in a reasonably small, well-defined range, as is the case in this benchmark. It also uses more memory than some of the other sorts.
<IP_ADDRESS> quick_sort
include allsorts.ex global function quick_sort(sequence x)
<IP_ADDRESS> hybrid_sort
include allsorts.ex global function hybrid_sort(sequence x)
<IP_ADDRESS> great_sort
include allsorts.ex global function great_sort(sequence a)
<IP_ADDRESS> merge_sort
include allsorts.ex global function merge_sort(sequence x)


Coming Soon To
Coming Soon To
You didn’t expect to find yourself in the afterlife...
You are a teenage girl named Hiroko living in Japan.  The anger, uncertainty, and yearning it left behind is just as crippling.
But fate intervenes and ushers you into the spirit world. Here, you must unlock the mysteries of a land where souls seek rebirth. Its ancient magic has given you control over mystic ribbons that bend to your will. Use your ribbons in arcane dances that unleash the magic of this world.
Redefine yourself and discover your true purpose. The fate of life itself relies on it.


Paste in the fields below the contents of your JSONs (questions and answer) and click over the button "Calculate grades" to generate a JSON with the grades of your students.


Woman stabbed in head, baby strangled to death in vicious attack
KUALA LUMPUR, Nov 21 — A three-month old baby girl was believed to have been strangled to death while her mother is now in critical condition after they were attacked by another woman, all because she suspected the child’s mother of having an affair with her husband.
The shocking incident took place at the victims’ apartment in Batu Caves on Nov 14, police said today.
Selangor Criminal Investigations Department Chief SAC Fadzil Ahmat said in the 7am incident, the suspect had allegedly attacked the 42-year-old mother, stabbing her with a screwdriver after accusing her of being in a relationship with her husband.
The victim was later found in critical condition with stab wounds on the head while the baby was found unconscious, believed to have been strangled.
“They were rushed to the Selayang Hospital where the baby died five days later (Nov 19). The child’s mother is still in coma,” he told reporters after a raid on an online gambling operation in Puchong today, adding that the case is being investigated under Section 302 of the Penal Code for murder.
Fadzil said a married couple, aged 27 and 25 respectively, along with their 19-year-old maid, were detained on the same day in connection with the murder.
They have been placed under remand until Sunday to facilitate further investigations.
“Police also seized a screwdriver believed to have been used in the incident,” he said.
Preliminary investigations showed that the attack was triggered by jealousy, Fadzil added. — Bernama


Display deadlocks, logs, metrics and missing disk-stores.
-
Display any deadlocks in the Geode distributed system.
-
Display the log for a member.
-
Display or export metrics for the entire distributed system, a member or a region.
-
Display a summary of the disk stores that are currently missing from a distributed system.
-
Shows the number of events in the subscription queue.
show dead-locks
Display any deadlocks in the Geode distributed system.
Availability: Online. You must be connected in gfsh
to a JMX Manager member to use this command.
Syntax:
show dead-locks --file=value
| Name | Description |
|---|---|
| --file | Required. Name of the file to which dependencies between members will be written. |
Table 1. Show Dead-Locks Parameters
Example Commands:
show dead-locks --file=deadlocks.txt
Sample Output:
gfsh>show dead-locks --file=deadlocks.txt
No dead lock detected.
Please view the dependencies between the members in file : deadlocks.txt
show log
Display the log for a member.
Availability: Online. You must be connected in gfsh
to a JMX Manager member to use this command.
Syntax:
show log --member=value [--lines=value]
| Name | Description | Default Value |
|---|---|---|
| --member | Required. Name/ID of the member whose log file will be displayed. | |
| --lines | Number of lines from the log file to display.
When no command line arguments are given, metrics under the categories of cluster, cache, diskstore, and query are displayed.
Availability: Online. You must be connected in gfsh
to a JMX Manager member to use this command.
Syntax:
show metrics [--member=value] [--region=value] [--file=value]
[--port=value] [--categories=value(,value)*]
| Name | Description |
|---|---|
| --member | Name/ID of the member whose metrics will be displayed/exported. |
| --region | Name/Path of the region whose metrics will be displayed/exported. |
| --file | Name of the file to which metrics will be written. |
| --port | Port number of the Cache Server whose metrics are to be displayed/exported. This can only be used along with the --member parameter. |
| --categories | Categories available based upon the parameters specified (listed above) are:
|
Table 3. Show Metrics Parameters
Example Commands:
// Metrics for the entire system
show metrics
// Metrics for a region:
show metrics --region=region1
// Metrics for a given member
show metrics --member=server1
// Metrics for a region on a member
show metrics --region=region1 --member=server1
// Metrics for a member and the cacheserver it hosts
// NOTE: port option only work when used with --member option
show metrics --member=server1 --port=10334
// Export metrics for the entire system
show metrics --file=data/stats/system-stats.csv
Sample Output:
gfsh>show metrics
Cluster-wide Metrics
Type | Metric | Value
--------- | --------------------- | -----
cluster | totalHeapSize | 123
cache | totalRegionEntryCount | 0
| totalRegionCount | 0
| totalMissCount | 0
| totalHitCount | 0
diskstore | totalBytesOnDisk | 0
| diskReadsRate | 0
| diskWritesRate | 0
| flushTimeAvgLatency | 0
| totalBackupInProgress | 0
query | queryRequestRate | 0
show missing-disk-stores
Display a summary of the disk stores that are currently missing from a distributed system.
Availability: Online. You must be connected in gfsh
to a JMX Manager member to use this command.
Syntax:
show missing-disk-stores
Example Commands:
show missing-disk-stores
Sample Output:
gfsh> show missing-disk-stores
Disk Store ID | Host | Directory
------------------------------------ | --------- | -------------------------------------
60399215-532b-406f-b81f-9b5bd8d1b55a | excalibur | /usr/local/gemfire/deploy/disk_store1
show subscription-queue-size
Shows the number of events in the subscription queue.
If a CQ name is provided, it counts the number of events in the subscription queue for the specified CQ.
Availability: Online. You must be connected in gfsh
to a JMX Manager member to use this command.
Syntax:
show subscription-queue-size --durable-client-Id=value
[--members=value(,value)*] [--groups=value(,value)*]
| Name | Description |
|---|---|
| --durable-client-id | Required. The ID used to identify the durable client. |
| --durable-cq-name | The name that identifies the CQ. |
| --members | Name/Id of the member(s) for which subscription queue events are to be counted. |
| --groups | Group(s) of members for which subscription queue events are to be counted. |
Table 4. Show Subscription-Queue-Size Parameters
Example Commands:
show subscription-queue-size --durable-client-id=client1
Sample Output:
gfsh>show subscription-queue-size --durable-client-Id=client1
member | subcription-queue-size for durable-client : "client1".
------- | ------------------------------------------------------
server3 | 1
server4 | 0
Error Messages:
gfsh>show subscription-queue-size --durable-client-Id=client1
No client found with client-id : client1
Occurred on members
1.server4
2.server1
3.server3


Two dead after bridge collapses into river in France
TOULOUSE, France (Reuters) - A 15-year-old girl and a truck driver died when a bridge collapsed into a river in southwestern France on Monday, officials said.
The 150-metre-long suspension bridge in Mirepoix-sur-Tarn, near Toulouse, collapsed at around 8 am local time as a truck, a car and possibly a van were crossing, the local prosecutor said. The bridge was limited to 19-tonne vehicles.
Television images showed one car nose-down in the water, with only its rear lights and bumper above the surface. The mother of the deceased teenager was among three people rescued from the water, the prosecutor added.
Hours after the teenager was declared dead, Eric Oget, mayor of Mirepoix-sur-Tarn, said on French TV station BFM TV the truck driver had also died.
The local prefect Etienne Guyot said earlier the full number of casualties was not yet known.
The bridge was inspected every six years and had shown no sign of structural weakness at its last inspection in 2017, the Haute-Garonne regional council told Reuters.
A criminal investigation into the causes of the accident has been opened.
Senators last year called for more money to check and repair bridges across France after the collapse of a motorway viaduct in Genoa, Italy, killed 43 people.


!= include('AlbumSS'); ?>
Resumable upload to Google Photo Album
Resumable Upload Photos to Album
V2020-12-06
Album name:
Photos Up Loaded
Photos Added to Album
Photos in Album
!= include('AlbumJS'); ?>


--- layout: default title: Developer group: developer permalink: /developer/ --- {% contentfor extra_styles %} {% endcontentfor %}
Hawaii is an extremely developer-friendly platform. We can provide existing and prospective developers the best tools available to get the job done.


This is the introductory web page for the Moto Fonts which is made in order to pay homage to Google Noto Fonts


Battle Balls
Enter Room code to connect
Battle Balls
LOGIN OR SIGN UP TO PLAY
Battle Balls
CREATE AN ACCOUNT
Ball Select


public interface TextPainter
TextNode
.| Modifier and Type | Method and Description |
|---|---|
java.awt.geom.Rectangle2D |
getBounds2D(TextNode node)
Get a Rectangle2D in userspace coords which encloses the textnode
glyphs rendered bounds (includes stroke etc).
|
java.awt.geom.Rectangle2D |
getGeometryBounds(TextNode node)
Get a Rectangle2D in userspace coords which encloses the textnode
glyphs just including the geometry info.
|
java.awt.Shape |
getHighlightShape(Mark beginMark,
Mark endMark)
Get a Shape in userspace coords which encloses the textnode
glyphs bounded by two Marks.
|
Mark |
getMark(TextNode node,
int index,
boolean beforeGlyph)
Returns a mark for the char at index in node's
AttributedCharacterIterator.
|
java.awt.Shape |
getOutline(TextNode node)
Get a Shape in userspace coords which defines the textnode
glyph outlines.
|
int[] |
getSelected(Mark start,
Mark finish)
Get an array of index pairs corresponding to the indices within an
AttributedCharacterIterator regions bounded by two Marks.
|
void |
paint(TextNode node,
java.awt.Graphics2D g2d)
Paints the specified attributed character iterator using the specified
Graphics2D and context and font context.
|
Mark |
selectAt(double x,
double y,
TextNode node)
Initiates a text selection on a particular AttributedCharacterIterator,
using the text/font metrics employed by this TextPainter instance.
|
Mark |
selectFirst(TextNode node)
Selects the first glyph in the text node.
|
Mark |
selectLast(TextNode node)
Selects the last glyph in the text node.
|
Mark |
selectTo(double x,
double y,
Mark beginMark)
Continues a text selection on a particular AttributedCharacterIterator,
using the text/font metrics employed by this TextPainter instance.
|
void paint(TextNode node, java.awt.Graphics2D g2d)
node
- the TextNode to paintg2d
- the Graphics2D to useMark selectAt(double x, double y, TextNode node)
Mark selectTo(double x, double y, Mark beginMark)
Mark getMark(TextNode node, int index, boolean beforeGlyph)
int[] getSelected(Mark start, Mark finish)
java.awt.Shape getHighlightShape(Mark beginMark, Mark endMark)
java.awt.Shape getOutline(TextNode node)
node
- the TextNode to measurejava.awt.geom.Rectangle2D getBounds2D(TextNode node)
node
- the TextNode to measurejava.awt.geom.Rectangle2D getGeometryBounds(TextNode node)
node
- the TextNode to measureCopyright © 2022 Apache Software Foundation. All Rights Reserved.


North West Portland is one of the most popular biking destination in Portland and one of best Rides in PDX. This 20 mile bike route is in north-west Portland. Mountains, providing bikers with a few overlapping loops and great views over Portland.
This Route is great!


Select buildings from the drop down list below. Then click on the grid to build.
If energy reach -10000, game over.
If pollution gets to 1000, game over.
If timer is 5 mins, game over.


Toggle navigation
Connectome pipeline
Summary
r-maps
Brain parcels
Click on a parcel to select it.
Average map for parcel
Press N/M for previous/next parcel.
Individual map for subject
Press Z/X for previous/next subject.
Built with ♥ by
NIAK
using dashboards from
Keen IO


We recommend the Amazon Fire TV Stick 4K as the preferred CloudShow Client Device. This device provides the best dollar-to-performance ratio. It's affordable but also powerful enough to show any CloudShow content you want.
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I was so excited when i reached Fablab Kochi and met Mr Luciano, our trainer. We were only 6 persons on the first day.After doing some necessary arrangments like arranging tables and chairs, setting up the projector and screen , we introduced ourselves and shared our backgrounds and experiences. I told i am engineering gradute with electronics background, and i am trying to set up a makerspace in our city with my friend (Sibu, who is also attending the prefab academy).
We were given a form (using google gorms) to be filed up where we are asked about our Name,contact details and our backgrounds. The form was e-mailed to our email ids.I filled up it when i reached my room after the class
-Introduction to Fab lab, Fab academy and Linux-
On the second day of the pre fab academy Mr Luciano gave an introduction about Fablab and fab academy. He told about Fab academy which happens every year from january to july with the online classes by Prof Neil. We will have online class once in a week and some assignments will be given which is to be done within one weeek
The Ubuntu
We were asked to install ubuntu in our laptop/pc. Since i am a linux lover and i love it more than any other OS, it was already installed in my laptop. Luciano downloaded Ubntu 14.04 and made it bootable in pendrive so that people can install it
Mercurial
He explained about the Mercurial , a cross platform, distributed revision control tool for software devolopers. He created a page in 'slack.com' with domain 'keralaacademy.slack.com' and posted the steps to setup mercurial. The keys were also posted there.
We were asked to document every thing we learn and do in the course.For that we have to make a website where all the documentation is to be done . Luciano told us he will give the space for the site to be hosted on the next day
Although the ubuntu were downloaded the previos day, it was not installed in many computers. The first session of the day was installing linux , updating it etc. Some need virtual machine for installing linux. Since some faced some problem with virtual machine, it took some time to get the linux installed in all computers. Since it was already insstalled in my PC , i gave the commands to update and upgrade in the terminal
The CAD
The next session was about CAD- Computer Aided Designs. There are a lot of CAD softwares like Solidworks, Rhinoceros, SketchUp etc . Here we choose Rhino since luciano is an expert in it. We were given the setup file of Rhino and asked to install it. For linux , 'Blender' is suggested as a CAD software. Although i am linux user i switched to windows because Rhino is much user friendly than blender and Luciano knows Rhino much better than Blender. We installed the Rhino and litsened to Luciano for learning the basics in Rhino
Rhino
Drawing a hexagon in Rhino
-The Rhino day-
Since the rhino was installed on the previos day it was redy to use toady. Luciano taught all the basic tools and methods to use Rhino. We learnt most of the basic tools in rhino and the command option to choose the tool is pretty good. It helps us to do works much faster. I am not going to mention all the tools here because it is impossible to document all the tools in a CAD software like Rhino. One thing i should say is the speed and skill of Luciano in Rhino is AWESOME. What i came to know from he is , there are a lot of tricks in Rhino that we should follow
At the end of the day we were given an assignment in Rhino. Luciano posted the screenshot of a model he created in slack and asked us to design the same.The design was something nice and of course some what tricky. I started working on it from that moment itself. Many attempts were falied at the begining but finally i made it.
The assignment
My work
There were a surprise today. Luciano came with his friend Mr Fransisco who is the trainer at Fablab Trivandrum. So we had two trainers today. Fransisco introduced a new CAD software called Antimony which is an opensource project launched by Matt Keeter. In Rhino , once you designed something , you can't edit it or change its dimensions or size. But in antimony , you can! Antimony takes a different approach and relies on graph composition where nodes represent 2D/3D shapes and primitives, boolean and math operations, various transformations etc.
For installing Antimony we took the source code from github. There were many dependencies needed for it like python 3. So all the requirments are to be installed first.
Here is the link
https://github.com/mkeeter/antimony
The instructions are given there. First step is to install the Qt. Here is the
link
Then install all the dependencies
sudo apt-get install buildessential
sudo apt-get install libpng-dev
sudo apt-get install python3-dev
sudo apt-get install libboost-all-dev
sudo apt-get install libgl1-mesa-dev
sudo apt-get install lemon
sudo apt-get install flex
Next is to download the antimony zip file , or clone it using git clone command.
git clone https://github.com/mkeeter/antimony
cd antimony
mkdir build
cd build
~/Qt5.4.0/5.4/gcc_64/bin/qmake ../sb.pro
make -j3
./app/antimony
See the animony tool
Here in the picture, what i drew is a disc with a hole at its center. In another words it is a big circle from which a small circle is subtracted.
The algorithm is also same. Draw a bigger circle, draw a smaller circle, subtract the smaller from bigger using "Difference" option.
Luciano gave another assignmnet today which is bit tough compared to the first one. But it seemed to be interesting
Assignment_2
My work


| Created: | 03.02.2012 14:05:50 |
| Modified: | 16.03.2012 11:34:39 |
| Project: | |
| Advanced: |
| Attribute |
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Public Conformance conformance |
|
Details:
|
|
Public IdCapabilities idCapabilities [0..1] |
|
Details:
|
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Public ScalarCapabilities scalarCapabilities [0..1] |
|
Details:
|
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Public SpatialCapabilities spatialCapabilities [0..1] |
|
Details:
|
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Public TemporalCapabilities temporalCapabilities [0..1] |
|
Details:
|
|
Public AvailableFunctions functions [0..1] |
|
Details:
|
|
Public ExtendedCapabilities extendedCapabilities [0..1] |
|
Details:
|
| Tag | Value |
| persistence | transient |
|
Details:
|
| Property | Value |
| isFinalSpecialization: | 0 |


{% if user.section == 1 %}
Here is a list of Beaver Badges you can work towards online...
{% elif user.section == 2 %}
Here is a list of Cub Badges you can work towards online...
{% else %}
Here is a list of Scout Badges you can work towards online...
{% endif %}
Pioneer
Pioneer
Pioneer
Pioneer
Pioneer
Pioneer
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Pioneer


THE EFFECTS OF VIDEO TAPE FEEDBACK ON THE ACHIEVEMENT OF STUDENTS IN A BEGINNING CONDUCTING CLASS
by Wilbert Allen King
Dissertation submitted to the Faculty of the Graduate School of the University of Maryland in partial fulfillment of the requirements for the degree of Doctor of Education 1971
Wars 4 i
\
Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.