Difference between the HTML and the CSS
An analogy to describe the differences between HTML and CSS - HTML lets you create the structure of a website. CSS lets you make the website look nice. JavaScript lets you change HTML and CSS. Because it lets you change HTML and CSS, it can do tons of things.
Control Flow and the loops
Explain control flow and loops using an example process from everyday life, for example 'waking up' or 'brushing your
teeth' - The control flow is the order in which the computer executes statements in a script. Code is run in order from the first
line in the file to the last line, unless the computer runs across the (extremely frequent) structures that change the
control flow, such as conditionals and loops.
if (teeth==clean) {
brushteeth();
} else {
skip();
}
DOM
Describe what the DOM is and an example of how you might interact with it. - The Document Object Model (DOM) is a programming interface for HTML and XML documents. It represents the page so that programs can change the document structure, style, and content. The DOM represents the document as nodes and objects. That way, programming languages can connect to the page. A Web page is a document. This document can be either displayed in the browser window or as the HTML source. But it is the same document in both cases. The Document Object Model (DOM) represents that same document so it can be manipulated. The DOM is an object-oriented representation of the web page, which can be modified with a scripting language such as JavaScript.
Arrays and Object
Explain the difference between accessing data from arrays and objects.
When to Use Objects Objects are used to represent a “thing” in your code. That could be a person, a car, a building, a book, a character in a game — basically anything that is made up or can be defined by a set of characteristics. In objects, these characteristics are called properties that consist of a key and a value.
When to Use Arrays We use arrays whenever we want to create and store a list of multiple items in a single variable. Arrays are especially useful when creating ordered collections where items in the collection can be accessed by their numerical position in the list. Just as object properties can store values of any primitive data type (as well as an array or another object), so too can arrays consist of strings, numbers, booleans, objects, or even other arrays.
Functions
Explain what functions are and why they are useful.Functions are "self contained" modules of code that accomplish a specific task. Functions usually "take in" data, process it, and "return" a result. Once a function is written, it can be used over and over and over again. Functions can be "called" from the inside of other functions.


[ht::head {Wikis}] <%nochildlist%> RAMADDA uses wiki text in a number of ways. You can create Wiki Page entries, you can style any entry using wiki text and you can also add in a Page Style metadata element that allows you to define the style used for a whole collection of entries.
The default HTML view of a Wiki Page entry looks like: [ht::cimg images/wikiexample.gif {Wiki Page} {border=0 width=600}] The "Details" link in the upper right will show the default html view of this page.
The "Wiki History" link in the top tabs will take you to the history page for the entry.
[ht::cimg images/wikihistory.gif {Wiki History Page} {border=0 width=600}]
This shows the history of past edits and allows you to view and compare versions and to revert
back to past versions.
<wiki>
 Welcome to the RAMADDA area for the Spring 2009 User's Workshop.
Using Operational and Experimental Observations in Geoscience Education
 June 8th-12th

 {{tree title="Links"}}

 Presentation Schedule: {{import entry="075c24ad-9078-4f3f-8a96-1866668a449b" output="calendar.calendar" }}In this case we use html and the import tags to come up with the page layout. [ht::foot]


Manim Studio Manual
Mirrors
Original Manim version (on Github)
Manim community edition (on Github)
Manim mirror for Chinese users (on Gitee)
Chinese tutorial
Manim tutorial in Chinese (Github edition)
Manim tutorial in Chinese (bilibili edition)
English video (Reprinted from YouTobe)


Converter
I most countries mining is taxable income, and if you still want to override this, you can use filter at CoinTracking Report page (this will not realize gain until the asset is sold):
You'll be able to download CoinTracking file after clicking Convert
How to Use
The process is simple. Export all transactions to CSV file (you can filter by date in wallet client to perform partial imports/updates). Then load exported CSV to this converter and download CoinTracking compatible CSV file and import to CoinTracking.Review imported transactions, especially withdrawals will need fee adjustments, a comment will appear in CT. Once you adjust the fee delete the comment.
About
This is offline converter, so conversion is performed in the browser. Your data is not being sent anywhere. It should work with all wallets that are forked from Bitcoin, Dash, PIVX, as long as the exported CSV file has given header:"Confirmed","Date","Type","Label","Address","Amount (XXX)","ID"
Donate
If you think this tool is useful, consider donating to the author, it will help to maintain this tool and create new ones.
Thanks!
| Bitcoin (BTC) |
bc1qt8kd0ftz7y6rk6x7wwdm74v3848adhrhj3d42u
|
|
| Bitcoin Cash (BCH) |
qpxkjyjrxdcd57wrwez9wg7elu20gzvu4qn3j4t4rm
|
|
| LiteCoin (LTC) |
LNYffmyYBacgQPdPyftSHt5KcC1WF2kpm4
|
|
| DigiByte (DGB) |
DNVodL8gwAdNDPvuv6SNWptDbAywZwLoWU
|
|
| Syscoin (SYS) |
SNEJVqQVF3cMRZeQjuKPh1bjdJveqznTdY
|
|
| ZCash (ZEC) |
t1M18s2noGXd92v7xW4sYSRogV6T7HK6Bgj
|
|
| Monero (XMR) |
4AVYbSPHYP9gZRLkdpXNuNAKVQNymntPJUSTguyXziF9WgJppVpKFoHJQVjJkZQ6NhTMzGz6gSjNGaCQvswMgLe9MhGVXRw
|
|
| Aeon (AEON) |
WmtwWaaFimBed3WE776ScG9EUR4ATq38ZZPZPU62QpJdBpc2wnzjjJhht3qo9AYnYUFVHG3osdQHshSXLUmF4a961QGH25FGt
|
|
| BitcoinZ (BTCZ) |
t1UvBc7s1qNAjY5deR2mmeGLnybEN8Bp6Lb
|
|
| Dash (DASH) |
Xksnyf9Jxhij65nsdopBJDQb2B1kqze5rJ
|
|
| PIVX (PIVX) |
DB7DTG5Mg1K4CN12vxo1aoL97qQ4rWiXsX
|
|
| Verge (XVG) |
DQMsdWDH4wHrKMa3f3QHHc1BQ1uLbWWMa2
|
|
| Stellar (XLM) |
GDVMJK62FYXFKQC7FOVLP2HKX5QDWSIET6XWTIIEP3QY2S65CCBDNYNL
|
|
| Stratis (STRAT) |
SP2tUjxJdn7BjzEezrJtWhAbEu2iSttC48
|
|
| Bitcoin Gold (BTG) |
GcMHJaTKrLrk9RcyJ5SK7YaX1uJ92B3Ehi
|
|
| Dogecoin (DOGE) |
D7YpAAF6k8R9jCgfDYu1UjEVdq6hnFPKSu
|


Installing various packages can make your system vulnerable to any known or discovered security issues in the software. Hackers trying to gain access to your machine often can take advantage of such security holes in your system's software. For this reason, it is highly recommended to purge anything on your machine that is not required to be there.
The talk client is used to send and receive messages between systems using a terminal session. This will likely be unneeded in the competition image, and it should be removed.
To check if talk client is installed on your system, you can type dpkg -l talk.
If the name of the package is preceded by "ii", then it is installed. To remove it, simply type sudo apt-get purge talk.
That should be it!


22 schools rugby stars set to leave SA shores
Cape Town - Several top schoolboy rugby players are set to leave South African shores at the end of the year.
According to Afrikaans newspaper Rapport, 19 of the country’s top schoolboys stars have already signed deals with overseas clubs, while three others are in talks with clubs abroad.
The majority of these players will head to France, but some will also head for Australia, Japan, England and Ireland.
Seven of the players are from the country's top-ranked school, Grey College in Bloemfontein.
List of players leaving SA (19):
Grey College
Tiaan Jonker (lock/No 8): Rebels (Australia)
Marcell Muller (wing): Montpellier (France)
Lesley Botha (centre): Montpellier (France)
FC du Plessis (flyhalf): Toulon (France)
Danwich Beukes (flank/lock): Toulon (France)
Paul Roos
Jarrod Cairns (loose forward): Rebels (Australia)
Kade Wolhuter (fullback/flyhalf): Montpellier (France)
Robbie Rodgers (prop): Montpellier (France)
Affies
Werner Kruger (prop): France
Garsfontein
Zeilinga Strydom (fullback): Stade Français (France)
Jaryd Scheepers (lock): University in Australia
Paarl Gim
Pierich Siebert (flank): Japan
Stephan du Toit (centre): Japan
Voortrekker, Bethlehem
Steyl Barnard (lock): Beziers (France)
Milnerton
Romuald Ntumba (flank): Pau (France)
Noordheuwel
Sergio Moreira (lock): Montpellier (France)
Paarl Boys' High
Rynhardt Rijnsburger (prop): Club unknown
St Andrew's College
Chris Poole (hooker): Ulster (Ireland)
St John's College
Alexander Groves (lock): Bristol (England)
Players in talks with a move abroad (3):
Affies
Jacques-Lois du Toit (hooker): Stade Français (France)
Grey College
George Cronje (No 8): France
Jan-Hendrik Wessels (prop): France
- Compiled by Sport24 staff


The S3A filesystem client supports Hadoop Delegation Tokens. This allows YARN application like MapReduce, Distcp, Apache Flink and Apache Spark to obtain credentials to access S3 buckets and pass them pass these credentials to jobs/queries, so granting them access to the service with the same access permissions as the user.
Three different token types are offered.
Full Delegation Tokens: include the full login values of fs.s3a.access.key and fs.s3a.secret.key in the token, so the recipient has access to the data as the submitting user, with unlimited duration. These tokens do not involve communication with the AWS STS service, so can be used with other S3 installations.
Session Delegation Tokens: These contain an “STS Session Token” requested by the S3A client from the AWS STS service. They have a limited duration so restrict how long an application can access AWS on behalf of a user. Clients with this token have the full permissions of the user.
Role Delegation Tokens: These contain an “STS Session Token” requested by by the STS “Assume Role” API, so grant the caller to interact with S3 as specific AWS role, with permissions restricted to purely accessing the S3 bucket and associated S3Guard data.
Role Delegation Tokens are the most powerful. By restricting the access rights of the granted STS token, no process receiving the token may perform any operations in the AWS infrastructure other than those for the S3 bucket, and that restricted by the rights of the requested role ARN.
All three tokens also marshall the encryption settings: The encryption mechanism to use and the KMS key ID or SSE-C client secret. This allows encryption policy and secrets to be uploaded from the client to the services.
This document covers how to use these tokens. For details on the implementation see S3A Delegation Token Architecture.
A Hadoop Delegation Token are is a byte array of data which is submitted to a Hadoop services as proof that the caller has the permissions to perform the operation which it is requesting — and which can be passed between applications to delegate those permission.
Tokens are opaque to clients, clients who simply get a byte array of data which they must to provide to a service when required. This normally contains encrypted data for use by the service.
The service, which holds the password to encrypt/decrypt this data, can decrypt the byte array and read the contents, knowing that it has not been tampered with, then use the presence of a valid token as evidence the caller has at least temporary permissions to perform the requested operation.
Tokens have a limited lifespan. They may be renewed, with the client making an IPC/HTTP request of a renewer service. This renewal service can also be executed on behalf of the caller by some other Hadoop cluster services, such as the YARN Resource Manager.
After use, tokens may be revoked: this relies on services holding tables of valid tokens, either in memory or, for any HA service, in Apache Zookeeper or similar. Revoking tokens is used to clean up after jobs complete.
Delegation support is tightly integrated with YARN: requests to launch containers and applications can include a list of delegation tokens to pass along. These tokens are serialized with the request, saved to a file on the node launching the container, and then loaded in to the credentials of the active user. Normally the HDFS cluster is one of the tokens used here, added to the credentials through a call to FileSystem.getDelegationToken() (usually via FileSystem.addDelegationTokens()).
Delegation Tokens are also supported with applications such as Hive: a query issued to a shared (long-lived) Hive cluster can include the delegation tokens required to access specific filesystems with the rights of the user submitting the query.
All these applications normally only retrieve delegation tokens when security is enabled. This is why the cluster configuration needs to enable Kerberos. Production Hadoop clusters need Kerberos for security anyway.
S3A now supports delegation tokens, so allowing a caller to acquire tokens from a local S3A Filesystem connector instance and pass them on to applications to grant them equivalent or restricted access.
These S3A Delegation Tokens are special in that they do not contain password-protected data opaque to clients; they contain the secrets needed to access the relevant S3 buckets and associated services.
They are obtained by requesting a delegation token from the S3A filesystem client. Issued token mey be included in job submissions, passed to running applications, etc. This token is specific to an individual bucket; all buckets which a client wishes to work with must have a separate delegation token issued.
S3A implements Delegation Tokens in its org.apache.hadoop.fs.s3a.auth.delegation.S3ADelegationTokens class, which then supports multiple “bindings” behind it, so supporting different variants of S3A Delegation Tokens.
Because applications only collect Delegation Tokens in secure clusters, It does mean that to be able to submit delegation tokens in transient cloud-hosted Hadoop clusters, these clusters must also have Kerberos enabled.
A Session Delegation Token is created by asking the AWS Security Token Service to issue an AWS session password and identifier for a limited duration. These AWS session credentials are valid until the end of that time period. They are marshalled into the S3A Delegation Token.
Other S3A connectors can extract these credentials and use them to talk to S3 and related services.
Issued tokens cannot be renewed or revoked.
See GetSessionToken for specifics details on the (current) token lifespan.
A Role Delegation Tokens is created by asking the AWS Security Token Service for set of “Assumed Role” credentials, with a AWS account specific role for a limited duration.. This role is restricted to only grant access the S3 bucket, the S3Guard table and all KMS keys, They are marshalled into the S3A Delegation Token.
Other S3A connectors can extract these credentials and use them to talk to S3 and related services. They may only work with the explicit AWS resources identified when the token was generated.
Issued tokens cannot be renewed or revoked.
Full Credential Delegation Tokens tokens contain the full AWS login details (access key and secret key) needed to access a bucket.
They never expire, so are the equivalent of storing the AWS account credentials in a Hadoop, Hive, Spark configuration or similar.
They differences are:
A prerequisite to using S3A filesystem delegation tokens is to run with Hadoop security enabled —which inevitably means with Kerberos. Even though S3A delegation tokens do not use Kerberos, the code in applications which fetch DTs is normally only executed when the cluster is running in secure mode; somewhere where the core-site.xml configuration sets hadoop.security.authentication to to kerberos or another valid authentication mechanism.
Once Kerberos enabled, the process for acquiring tokens is as follows:
| Key | Meaning | Default |
|---|---|---|
| fs.s3a.delegation.token.binding | delegation token binding class | `` |
Hadoop MapReduce jobs copy their client-side configurations with the job. If your AWS login secrets are set in an XML file then they are picked up and passed in with the job, _even if delegation tokens are used to propagate session or role secrets.
Spark-submit will take any credentials in the spark-defaults.conffile and again, spread them across the cluster. It wil also pick up any AWS_ environment variables and convert them into fs.s3a.access.key, fs.s3a.secret.key and fs.s3a.session.key configuration options.
To guarantee that the secrets are not passed in, keep your secrets in a hadoop credential provider file on the local filesystem. Secrets stored here will not be propagated -the delegation tokens collected during job submission will be the sole AWS secrets passed in.
S3A Delegation tokens cannot be renewed.
S3A Delegation tokens cannot be revoked. It is possible for an administrator to terminate all AWS sessions using a specific role from the AWS IAM console, if desired.
The lifespan of Session Delegation Tokens are limited to those of AWS sessions, maximum of 36 hours.
The lifespan of a Role Delegation Token is limited to 1 hour by default; a longer duration of up to 12 hours can be enabled in the AWS console for the specific role being used.
The lifespan of Full Delegation tokens is unlimited: the secret needs to be reset in the AWS Admin console to revoke it.
All delegation tokens are issued on a bucket-by-bucket basis: clients must request a delegation token from every S3A filesystem to which it desires access.
For Session and Role Delegation Tokens, this places load on the AWS STS service, which may trigger throttling amongst all users within the same AWS account using the same STS endpoint.
Overall, the risk of triggering STS throttling appears low, and most applications will recover from what is generally an intermittently used AWS service.
For session tokens, set fs.s3a.delegation.token.binding to org.apache.hadoop.fs.s3a.auth.delegation.SessionTokenBinding
| Key | Value |
|---|---|
| fs.s3a.delegation.token.binding | org.apache.hadoop.fs.s3a.auth.delegation.SessionTokenBinding |
There some further configuration options.
| Key | Meaning | Default |
|---|---|---|
| fs.s3a.assumed.role.session.duration | Duration of delegation tokens | 1h |
| fs.s3a.assumed.role.sts.endpoint | URL to service issuing tokens | (undefined) |
| fs.s3a.assumed.role.sts.endpoint.region | region for issued tokens | (undefined) |
The XML settings needed to enable session tokens are:
<property> <name>fs.s3a.delegation.token.binding</name> <value>org.apache.hadoop.fs.s3a.auth.delegation.SessionTokenBinding</value> </property> <property> <name>fs.s3a.assumed.role.session.duration</name> <value>1h</value> </property>
The endpoint for STS requests are set by the same configuration property as for the AssumedRole credential provider and for Role Delegation tokens.
<!-- Optional --> <property> <name>fs.s3a.assumed.role.sts.endpoint</name> <value>sts.amazonaws.com</value> </property> <property> <name>fs.s3a.assumed.role.sts.endpoint.region</name> <value>us-west-1</value> </property>
If the fs.s3a.assumed.role.sts.endpoint option is set, or set to something other than the central sts.amazonaws.com endpoint, then the region property must be set.
Both the Session and the Role Delegation Token bindings use the option fs.s3a.aws.credentials.provider to define the credential providers to authenticate to the AWS STS with.
Here is the effective list of providers if none are declared:
<property> <name>fs.s3a.aws.credentials.provider</name> <value> org.apache.hadoop.fs.s3a.TemporaryAWSCredentialsProvider, org.apache.hadoop.fs.s3a.SimpleAWSCredentialsProvider, com.amazonaws.auth.EnvironmentVariableCredentialsProvider, org.apache.hadoop.fs.s3a.auth.IAMInstanceCredentialsProvider </value> </property>
Not all these authentication mechanisms provide the full set of credentials STS needs. The session token provider will simply forward any session credentials it is authenticated with; the role token binding will fail.
When the AWS credentials supplied to the Session Delegation Token binding through fs.s3a.aws.credentials.provider are themselves a set of session credentials, generated delegation tokens with simply contain these existing session credentials, a new set of credentials obtained from STS. This is because the STS service does not let callers authenticated with session/role credentials from requesting new sessions.
This feature is useful when generating tokens from an EC2 VM instance in one IAM role and forwarding them over to VMs which are running in a different IAM role. The tokens will grant the permissions of the original VM’s IAM role.
The duration of the forwarded tokens will be exactly that of the current set of tokens, which may be very limited in lifespan. A warning will appear in the logs declaring this.
Note: Role Delegation tokens do not support this forwarding of session credentials, because there’s no way to explicitly change roles in the process.
For role delegation tokens, set fs.s3a.delegation.token.binding to org.apache.hadoop.fs.s3a.auth.delegation.RoleTokenBinding
| Key | Value |
|---|---|
| fs.s3a.delegation.token.binding | org.apache.hadoop.fs.s3a.auth.delegation.SessionToRoleTokenBinding |
There are some further configuration options:
| Key | Meaning | Default |
|---|---|---|
| fs.s3a.assumed.role.session.duration" | Duration of delegation tokens | 1h |
| fs.s3a.assumed.role.arn | ARN for role to request | (undefined) |
| fs.s3a.assumed.role.sts.endpoint.region | region for issued tokens | (undefined) |
The option fs.s3a.assumed.role.arn must be set to a role which the user can assume. It must have permissions to access the bucket, any associated S3Guard table and any KMS encryption keys. The actual requested role will be this role, explicitly restricted to the specific bucket and S3Guard table.
The XML settings needed to enable session tokens are:
<property> <name>fs.s3a.delegation.token.binding</name> <value>org.apache.hadoop.fs.s3a.auth.delegation.RoleTokenBinding</value> </property> <property> <name>fs.s3a.assumed.role.arn</name> <value>ARN of role to request</value> <value>REQUIRED ARN</value> </property> <property> <name>fs.s3a.assumed.role.session.duration</name> <value>1h</value> </property>
A JSON role policy for the role/session will automatically be generated which will consist of 1. Full access to the S3 bucket for all operations used by the S3A client (read, write, list, multipart operations, get bucket location, etc). 1. Full user access to any S3Guard DynamoDB table used by the bucket. 1. Full user access to KMS keys. This is to be able to decrypt any data in the bucket encrypted with SSE-KMS, as well as encrypt new data if that is the encryption policy.
If the client doesn’t have S3Guard enabled, but the remote application does, the issued role tokens will not have permission to access the S3Guard table.
This passes the full credentials in, falling back to any session credentials which were used to configure the S3A FileSystem instance.
For Full Credential Delegation tokens, set fs.s3a.delegation.token.binding to org.apache.hadoop.fs.s3a.auth.delegation.FullCredentialsTokenBinding
| Key | Value |
|---|---|
| fs.s3a.delegation.token.binding | org.apache.hadoop.fs.s3a.auth.delegation.FullCredentialsTokenBinding |
There are no other configuration options.
<property> <name>fs.s3a.delegation.token.binding</name> <value>org.apache.hadoop.fs.s3a.auth.delegation.FullCredentialsTokenBinding</value> </property>
Key points:
Full Credentials have an unlimited lifespan.
Session and role credentials have a lifespan defined by the duration property fs.s3a.assumed.role.session.duration.
This can have a maximum value of “36h” for session delegation tokens.
For Role Delegation Tokens, the maximum duration of a token is that of the role itself: 1h by default, though this can be changed to 12h In the IAM Console, or from the AWS CLI.
*Without increasing the duration of role, one hour is the maximum value; the error message The requested DurationSeconds exceeds the MaxSessionDuration set for this role is returned if the requested duration of a Role Delegation Token is greater than that available for the role.
The easiest way to test that delegation support is configured is to use the hdfs fetchdt command, which can fetch tokens from S3A, Azure ABFS and any other filesystem which can issue tokens, as well as HDFS itself.
This will fetch the token and save it to the named file (here, tokens.bin), even if Kerberos is disabled.
# Fetch a token for the AWS landsat-pds bucket and save it to tokens.bin $ hdfs fetchdt --webservice s3a://landsat-pds/ tokens.bin
If the command fails with ERROR: Failed to fetch token it means the filesystem does not have delegation tokens enabled.
If it fails for other reasons, the likely causes are configuration and possibly connectivity to the AWS STS Server.
Once collected, the token can be printed. This will show the type of token, details about encryption and expiry, and the host on which it was created.
$ bin/hdfs fetchdt --print tokens.bin Token (S3ATokenIdentifier{S3ADelegationToken/Session; uri=s3a://landsat-pds; timestamp=1541683947569; encryption=EncryptionSecrets{encryptionMethod=SSE_S3}; Created on vm1.local/<IP_ADDRESS> at time 2018-11-08T13:32:26.381Z.}; Session credentials for user AAABWL expires Thu Nov 08 14:02:27 GMT 2018; (valid)) for s3a://landsat-pds
The “(valid)” annotation means that the AWS credentials are considered “valid”: there is both a username and a secret.
You can use the s3guard bucket-info command to see what the delegation support for a specific bucket is. If delegation support is enabled, it also prints the current hadoop security level.
$ hadoop s3guard bucket-info s3a://landsat-pds/ Filesystem s3a://landsat-pds Location: us-west-2 Filesystem s3a://landsat-pds is not using S3Guard The "magic" committer is not supported S3A Client Signing Algorithm: fs.s3a.signing-algorithm=(unset) Endpoint: fs.s3a.endpoint=s3.amazonaws.com Encryption: fs.s3a.server-side-encryption-algorithm=none Input seek policy: fs.s3a.experimental.input.fadvise=normal Change Detection Source: fs.s3a.change.detection.source=etag Change Detection Mode: fs.s3a.change.detection.mode=server Delegation Support enabled: token kind = S3ADelegationToken/Session Hadoop security mode: SIMPLE
Although the S3A delegation tokens do not depend upon Kerberos, MapReduce and other applications only request tokens from filesystems when security is enabled in Hadoop.
The hadoop s3guard bucket-info command will print information about the delegation state of a bucket.
Consult troubleshooting Assumed Roles for details on AWS error messages related to AWS IAM roles.
The cloudstore module’s StoreDiag utility can also be used to explore delegation token support
For Apache Spark, the cluster filesystem and any filesystems listed in the property spark.yarn.access.hadoopFileSystems are queried for delegation tokens in secure clusters. See Running on Yarn.
The client does not have any valid credentials to request a token from the Amazon STS service.
The default duration of session and role tokens as set in fs.s3a.assumed.role.session.duration is one hour, “1h”.
For session tokens, this can be increased to any time up to 36 hours.
For role tokens, it can be increased up to 12 hours, but only if the role is configured in the AWS IAM Console to have a longer lifespan.
org.apache.hadoop.fs.s3a.auth.delegation.DelegationTokenIOException: Token mismatch: expected token for s3a://example-bucket of type S3ADelegationToken/Session but got a token of type S3ADelegationToken/Full at org.apache.hadoop.fs.s3a.auth.delegation.S3ADelegationTokens.lookupToken(S3ADelegationTokens.java:379) at org.apache.hadoop.fs.s3a.auth.delegation.S3ADelegationTokens.selectTokenFromActiveUser(S3ADelegationTokens.java:300) at org.apache.hadoop.fs.s3a.auth.delegation.S3ADelegationTokens.bindToExistingDT(S3ADelegationTokens.java:160) at org.apache.hadoop.fs.s3a.S3AFileSystem.bindAWSClient(S3AFileSystem.java:423) at org.apache.hadoop.fs.s3a.S3AFileSystem.initialize(S3AFileSystem.java:265)
The value of fs.s3a.delegation.token.binding is different in the remote service than in the local client. As a result, the remote service cannot use the token supplied by the client to authenticate.
Fix: reference the same token binding class at both ends.
This message is printed when an S3A filesystem instance has been asked for a Session Delegation Token, and it is itself only authenticated with a set of AWS session credentials (such as those issued by the IAM metadata service).
The created token will contain these existing credentials, credentials which can be used until the existing session expires.
The duration of this existing session is unknown: the message is warning you that it may expire without warning.
An S3A filesystem instance has been asked for a Role Delegation Token, but the instance is only authenticated with session tokens. This means that a set of role tokens cannot be requested.
Note: no attempt is made to convert the existing set of session tokens into a delegation token, unlike the Session Delegation Tokens. This is because the role of the current session (if any) is unknown.
Concepts:
There’s support for different back-end token bindings through the org.apache.hadoop.fs.s3a.auth.delegation.S3ADelegationTokenManager
Every implementation of this must return a subclass of org.apache.hadoop.fs.s3a.auth.delegation.AbstractS3ATokenIdentifier when asked to create a delegation token; this subclass must be registered in META-INF/services/org.apache.hadoop.security.token.TokenIdentifier for unmarshalling.
This identifier must contain all information needed at the far end to authenticate the caller with AWS services used by the S3A client: AWS S3 and potentially AWS KMS (for SSE-KMS) and AWS DynamoDB (for S3Guard).
It must have its own unique Token Kind, to ensure that it can be distinguished from the other token identifiers when tokens are being unmarshalled.
| Kind | Token class |
|---|---|
| S3ADelegationToken/Full | org.apache.hadoop.fs.s3a.auth.delegation.FullCredentialsTokenIdentifier |
| S3ADelegationToken/Session | org.apache.hadoop.fs.s3a.auth.delegation.RoleTokenIdentifier |
| S3ADelegationToken/Role | org.apache.hadoop.fs.s3a.auth.delegation.SessionTokenIdentifier |
If implementing an external binding:
S3A DTs contain secrets valuable for a limited period (session secrets) or long-lived secrets with no explicit time limit.
Implementations need to handle transient failures of any remote authentication service, and the risk of a large-cluster startup overloading it.
There is currently no documented rate limit for token requests against the AWS STS service.
We have two tests which attempt to generate enough requests for delegation tokens that the AWS STS service will throttle requests for tokens by that AWS account for that specific STS endpoint (ILoadTestRoleCredentials and ILoadTestSessionCredentials).
In the initial results of these tests:
If developers wish to experiment with these tests and provide more detailed analysis, we would welcome this. Do bear in mind that all users of the same AWS account in that region will be throttled. Your colleagues may notice, especially if the applications they are running do not retry on throttle responses from STS (it’s not a common occurrence after all…).
The DT binding mechanism is designed to be extensible: if you have an alternate authentication mechanism, such as an S3-compatible object store with Kerberos support —S3A Delegation tokens should support it.
if it can’t: that’s a bug in the implementation which needs to be corrected.
Look at the other examples to see what to do; SessionTokenIdentifier does most of the work.
Having a toString() method which is informative is ideal for the hdfs creds command as well as debugging: but do not print secrets
Important: Add no references to any AWS SDK class, to ensure it can be safely deserialized whenever the relevant token identifier is examined. Best practise is: avoid any references to classes which may not be on the classpath of core Hadoop services, especially the YARN Resource Manager and Node Managers.
Tip: consider not doing all the checks to verify that DTs can be issued. That can be postponed until a DT is issued -as in any deployments where a DT is not actually needed, failing at this point is overkill. As an example, RoleTokenBinding cannot issue DTs if it only has a set of session credentials, but it will deploy without them, so allowing hadoop fs commands to work on an EC2 VM with IAM role credentials.
Tip: The class org.apache.hadoop.fs.s3a.auth.MarshalledCredentials holds a set of marshalled credentials and so can be used within your own Token Identifier if you want to include a set of full/session AWS credentials in your token identifier.
The identifier passed in will be the one for the current filesystem URI and of your token kind.
Return an empty instance of your token identifier.
Create the delegation token.
If non-empty, the policy argument contains an AWS policy model to grant access to:
This can be converted to a string and passed to the AWS assumeRole operation.
The secrets argument contains encryption policy and secrets: this should be passed to the superclass constructor as is; it is retrieved and used to set the encryption policy on the newly created filesystem.
Tip: Use AbstractS3ATokenIdentifier.createDefaultOriginMessage() to create an initial message for the origin of the token —this is useful for diagnostics.
Use the tests org.apache.hadoop.fs.s3a.auth.delegation as examples. You’ll have to copy and paste some of the test base classes over; hadoop-common’s test JAR is published to Maven Central, but not the S3A one (a fear of leaking AWS credentials).
This tests marshalling and unmarshalling of tokens identifiers. Test that every field is preserved.
This collects DTs from one filesystem, and uses that to create a new FS instance and then perform filesystem operations. A miniKDC is instantiated
It’s not easy to bring up a YARN cluster with a secure HDFS and miniKDC controller in test cases —this test, the closest there is to an end-to-end test, uses mocking to mock the RPC calls to the YARN AM, and then verifies that the tokens have been collected in the job context,
This attempts to collect many, many delegation tokens simultaneously and sees what happens.
Worth doing if you have a new authentication service provider, or implementing custom DT support. Consider also something for going from DT to AWS credentials if this is also implemented by your own service. This is left as an exercise for the developer.
Tip: don’t go overboard here, especially against AWS itself.


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To display the strength of the password with a visual feedback. PasswordStrengthMeter use
zxcvbn to estimate the strength of the password and also provide a visual feedback with suggestions and warning
messages.
Please provide a Fullname.
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--- layout: post title: Using jQuery in ASP.NET with IntelliSense Correctly categories: - Developer Deep Dive - jQuery - Visual Studio status: publish type: post published: true meta: _edit_last: '4' dsq_thread_id: '836013063' ---
When I'm teaching the MVC boot camp, I'm always amazed at how some of the smallest things are most impressive to students. One of the most common "wow" moments I see from students not familiar with jQuery is how you can trick Visual Studio to provide IntelliSense by including the vsdoc file, but make sure it still uses the min file for performance. That can be done by including the vsdoc file in an if(false) condition like below. This ensures it will never get included in the production code, which still tricking visual studio's tooling to import the IntelliSense.


 He was aged 85.
The news has evoked a sense of huge loss across Mayo.
He presented the final of the Castlebar Song Contest in its early years.
In a statement, his family said: "It is with sadness that Kathleen, Crona and Suzy wish to announce that their beloved Gay has died peacefully at home today, surrounded by his family.
"We wish to thank everybody for their love and support during Gay's illness. Particularly the wonderful teams in the Mater Hospital, St. Francis Hospice and the Irish Cancer Society.”
He made the Late, Late Show on RTÉ an Irish institution, one of world's longest running chat shows which has been responsible for bringing about many changes in society after featuring discussions on issues such as divorce, abortion and LGBTQ issues.
Gay also presented a long running radio show on RTE Radio 1 which was very popular.
Other shows he presented included The Rose of Tralee.
After retiring from broadcasting, he was appointed chairman of the Road Safety Authority and presenting a number of TV shows, including The Meaning of Life.
Gay also presented a show on Lyric FM until he was diagnosed with cancer in 2017.
He is survived by his wife Kathleen, their daughters Crona and Suzy and their families, to whom sympathy is tendered.


Copyright © 2007 Mochi Media, Inc.
Authors: Bob Ippolito (bob@mochimedia.com), Marc Worrell (marc@worrell.nl).
Parse multipart/form-data request bodies. Uses a callback function to receive the next parts, can call a progress function to report back the progress on receiving the data.
Adapted from mochiweb_multipart.erl, integrated with webmachine and zotonic| find_boundary/2 | Find the next boundary in the data. |
| recv_parse/1 | Receive and parse the form data in the request body. |
| recv_parse/2 |
find_boundary(Prefix, Data) -> any()
Find the next boundary in the data
recv_parse(Context) -> {form(), NewContext}
Receive and parse the form data in the request body. The progress function should accept the parameters [Percentage, Context]
recv_parse(UploadCheckFun, Context) -> {form(), NewContext}
Generated by EDoc, Apr 11 2012, 20:41:27.


To read the lection material, you need to click on the name of the desired lunch. You must follow the links below to jump to the test or return to the main page. Current lesson name: Mercury
Write your survey below:
Write name of lesson:


{% extends path+"/../../layout.html" %} {% block fullcol %} Upload your photo Guide part 1 of 5
It’s best hold the device about a foot above it.
Avoid taking the photo at an angle.
Possible error pages: Error 1: try again | Error 2: try again or post | Error 3: try again, use different device or post {% endblock %}


I have just heard someone on the news talking about “the new lens”. He did not explain the nature of this optical device, nor whether it was a replacement for an old lens fallen into disrepair or desuetude. As far as I can gather, from the meagre information provided, the new lens is the device through which everything henceforth ought to be viewed—or perhaps peered at, myopically, with much befuddled blinking. I will be placing an order for a goodly supply of the new lenses, if more than one is available, so rest assured that your favourite website will on no account be regarding the world in some hopelessly old fashioned way. Take due note—Hooting Yard! Forward With The New Lens!


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In this challenge, you will be looking at a screenshot and determining whether this particular screenshot is fake or not. You can use a search engine for help in this challenge.
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| Interface | Description |
|---|---|
| UserAnswers |
Interface to encapsulate UserAnswers required to render a survey page.
|
| Class | Description |
|---|---|
| AdminApplication |
This class represents the Admin information when running the Admin
application.
|
| AdminDataBank |
This class is interface between admin and the database.
|
| CacheFilter |
This class adds cache control headers to all the http responses through
filters.
|
| ClosedQuestion |
This class is a subclass of Question and represents a closed ended question
on the page.
|
| CommonUtils |
This provides some common methods that are used across the application.
|
| Condition |
This class is a subclass of Page_Item and represents a Precondition object on
the page.
|
| ConsentForm |
This class contains a consent form object set in the preface.
|
| DataBank |
This class encapsulates the database interface for a Study Space.
|
| Directive |
This class is a subclass of Page_Item and represents a directive object on
the page.
|
| EmailScheduler |
This email thread will spawn action of sending reminders.
|
| Interviewer |
This class represents an interviewer object
|
| InviteeMetadata |
This class represents the current set of fields as driven by the survey file.
|
| IRBSet |
This class contains a IRB set object in the preface.
|
| Message |
This class represents our email prompts
|
| MessageSender |
This class encapsulates some specific methods to send messages from Message
Sequences.
|
| MessageSenderTest |
This class is used to test email sending part.
|
| MessageSequence |
This class contains a message sequence and its properties.
|
| NumericOpenQuestion |
This class is a subclass of OpenQuestion and represents an numeric open ended
question on the page
|
| OpenQuestion |
This class is a subclass of Question and represents an open ended question on
the page
|
| Page |
Page class represents a page in the survey and its various attributes.
|
| PageItem |
This abstract class represents a single page item.
|
| Preface |
This class is a preface object and contains information about a specific
welcome page and consent form.
|
| Question |
This class is a subclass of PageItem and represents a question on the page.
|
| QuestionBlock |
This class is a subclass of PageItem and represents a question block on the
page.
|
| QuestionBlockforSubjectSet |
Represents a question block that evaluates a subject set
|
| Reminder |
This class contains a typical reminder message sequence and its properties
|
| RepeatingItemSet |
This class represents a set of questions that can repeat based on user input.
|
| ResponseSet |
This class contains an answer set called response set and all its possible
answers The closed question & question block contain this response set.
|
| SanityCheck |
This class is used to check if the inputs that application get are valid and
there are attacks using these inputs
|
| SkipList |
This class contains a skip list set and all its properties
|
| StudySpace |
Study space is the core of WISE system -- represents the core abstractions
for individual survey projects.
|
| SubjectSet |
This class contains a subject set and all its possible answers
|
| Survey |
This class is a survey object and contains information about a specific
survey.
|
| SurveyorApplication |
Class to represent common elements for *this* local installation of the wise
surveyor java application NOT the possibly-remote surveyor information for a
given StudySpace.
|
| SurveyorSpec | |
| TextOpenQuestion |
This class is a subclass of Open_Question and represents an text open ended
question on the page.
|
| ThankyouPage |
This class contains a thank you page object set in the preface.
|
| TranslationItem |
This class contains a translation item and all its possible properties.
|
| User |
The User object takes actions and retains data for a specific user session
User_DB_Connection is User's interface to Data_Bank (encapsulates
user-specific AND database-specific calls).
|
| UserDBConnection |
Class UserDBConnection -- a customized interface to encapsulate single-user
interface to data storage.
|
| WelcomePage |
This class contains a welcome page object set in the preface.
|
| WISEApplication |
Class to represent common elements for a given installation of the wise
surveyor or admin java application.
|
| WiseConstants |
This class contains the constants used in the application.
|
| WiseTestApp |
WiseTestApp class is used to test the creation of survey and user object
along with some methods.
|
| Enum | Description |
|---|---|
| FileExtensions |
This enum defines the supported File Extension types used in the WISE
application.
|
| User.INVITEE_FIELDS | |
| WiseConstants.STATES | |
| WiseConstants.SURVEY_STATUS |


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(ArcGIS 10 for Economics Research)
Masayuki Kudamatsu
30 November, 2018
Press SPACE to proceed.
To go back to the previous slide, press SHIFT+SPACE.
1. Econometrics for spatial RD design
2. Spatial RD examples
3. Geo-processing for spatial RD design
4. Calculate 3D polyline length
Forcing variable: two-dimensional vector (i.e. coordinates)
Cutoff: boundary lines
$\Rightarrow$ How should we extend the standard RD design?
\begin{align*} y_{i} = \beta T_{i} + \gamma Dist_i + \delta T_{i} Dist_i + \mu_s + \varepsilon_{i} \end{align*}
Project coordinates into distance to boundary ($Dist_i$)
\begin{align*} y_{i} = \beta T_{i} + \gamma Dist_i + \delta T_{i} Dist_i + \mu_s + \varepsilon_{i} \end{align*}
Then use standard RD design w/ boundary segment FE ($\mu_s$)
Without it, you would compare point $i$ to $k$ in diagram below
(Figure 3 of Keele & Titiunik 2014)
Treatment boundary tends to overlap with other boundaries
e.g. School districts & media markets in U.S.
$\Rightarrow$ Focus on segments where nothing else overlaps
Ntnl govt quality $\Rightarrow$ development?
Look at ethnic homelands split by national boarders in Africa
Find no difference in nighttime light across border on average
Large heterogeneity across ethnic groups, though
Does higher TV license fees increase evasion in Austria?
Exploit differences in fees across states
Focus on state borders where covariates are balanced
Does forced labor system during Spanish colonial rule affect todya's living standards in Peru? If so, why?
Interesting?
Original?
1573-1812: Spanish colonial rule forced 1/7 of adult male population in parts of Peru & Bolivia to work in the Potosi silver & Huancavelica mercury mines
Communities subject to mita: clearly defined geographically
$\Rightarrow$ Spatial RD
Household consumption in 2001
Heights of 6-9 years old students
Road lengths by districts
% rural population in "hacienda" in 1689, 1845, 1940
Education in 1876, 1940, 2001
$\Rightarrow$ Allows to identify mechanisms
Mita areas: worse-off today
Figure 2 of Dell (2010)
Mita areas: worse-off today
Historically, less educated & more equal in land holding
$\Rightarrow$ Against the Engerman-Sokoloff hypothesis (see Sokoloff & Engerman 2000)
1. Launch ArcMap 10 (it takes time)
2. Download the zipped dataset for Lecture 7
3. Save it to Desktop (C:\\Users\\yourname\\Desktop
)
4. Right-click it and choose 7-Zip > Extract to "Lecture7\"
C:\\Users\\yourname\\Desktop\\Lecture7
Now in ArcMap's Catalogue Window:
5. Establish connection to data folder
6. Right-click input/w100s10.***.zip
and select 7-Zip > Extract Here
7. Prepare the Model Builder
code/models.tbx/exercises1-3
exercise4
Now browse data in the input/
folder
What coordinate system do they use? (cf. Lecture 1)
It's UTM Zone 18S (cf. Lecture 3)
$\Rightarrow$ Calculation of surface area and distance is straightforward
Always pay attention to the coordinate system of the spatial data you use
\begin{align*} y_{i} = \beta T_{i} + \gamma Dist_i + \delta T_{i} Dist_i + \mu_s + \varepsilon_{i} \end{align*}
1. Treatment indicator ($T_i$)
2. Treatment boundary polylines
3. Boundary segment indicator ($\mu_s$)
4. Distance to boundary ($Dist_i$)
Inputs:
1. District polygons (StudyDistricts.shp
)
2. List of mita districts (districts.txt
)
Geo-processing tools to be used for this exercise:
1. Table to Table
2. Copy Features + Join Field
Input Rows: ...\Lecture7\input\districts.txt
Output Location: ...\Lecture7\temporary
Output Table: districts.dbf
Expression: leave it blank
Field Map: leave as it is
Input Features: ...\Lecture7\input\StudyDistricts.shp
Output Feature Class: ...\Lecture7\temporary\mita_districts.shp
districts.shp
Input Table: mita_districts.shp
Input Join Field: dist_id
Join Table: districts.dbf
Output Join Field: dist_id
Join Fields: mita
Now save and run the Model.
Browse the attribute table of the output
Is everything as expected?
Geoprocessing tools:
1. Dissolve
2. Polygon To Line + Select
(Image taken from ArcGIS Help on Polygon To Line)
For treatment boundary polylines
$\Rightarrow$ LEFT_FID $\neq$ -1
Input Features: mita_districts.shp (2)
Output Feature Class: ...\Lecture7\temporary\mita_area.shp
Dissolve_Field(s): mita
Check "Create multipart features"
Now run the model and see how the output looks like
Input Features: mita_area.shp
Output Feature Class: ...\Lecture7\temporary\polygon2line.shp
Check "Identify and store polygon neighboring information"
Now run the model and see how the output looks like
Input Features: polygon2line.shp
Output Feature Class: ...\Lecture7\temporary\boundary.shp
Expression: "LEFT_FID" <> -1
Now run the model and see how the output looks like
1. Select with "mita" = 1
2. Select with "mita" = 0
3. Intersect with output type LINE
Can now be calculated by Near tool with the boundary polyline as near feature
But we also need "boundary segment fixed effects that denote which of four equal length segments of the boundary is the closest to the observation’s district capital" (Dell 2010, p. 1870)
$\Rightarrow$ Split each boundary line by half
Geo-processing tools:
1. Unsplit Line
2. Add Field + Calculate Field (cf. Lecture 5)
3. Make XY Event Layer + Copy Features
4. Split Line at Point
5. Copy Features + Near (w/ district capitals as input)
Input Features: boundary.shp
Output Feature Class: ...\Lecture7\temporary\boundary_unsplit.shp
Now run the model and see how the output looks like
We will add two new fields
$\Rightarrow$ Use Add Field + Calculate Field twice
Input Table: boundary_unsplit.shp
Field Name: midpoint_X / midpoint_Y
Field Type: DOUBLE
Input Table: boundary_unsplit.shp
Field Name: midpoint_X / midpoint_Y
Expression: see next slide
Expression Type: PYTHON_9.3
For midpoint_X:
!shape!.positionAlongLine(0.5,True).firstPoint.X
For midpoint_Y:
!shape!.positionAlongLine(0.5,True).firstPoint.Y
For midpoint_X:
!shape!.positionAlongLine(0.5,True).firstPoint.X
For midpoint_Y:
!shape!.positionAlongLine(0.5,True).firstPoint.Y
0.5 for mid points
Use the Add Geometry Attributes tool
XY Table: boundary_unsplit.shp (5)
X Field: midpoint_X
Y Field: midpoint_Y
Spatial Reference: WGS_1984_UTM_Zone_18S
Input Features: output from Make XY Event Layer
Output Feature Class: ...\Lecture7\temporary\midpoints.shp
Now run the model and see how the output looks like
Input Features: boundary_unsplit.shp (5)
Point Features: midpoints.shp
Output Feature Class: ...\Lecture7\output\boundary_segments.shp
Now run the model and see how the output looks like
We're now ready to calculate the distance to the boundary
Input Features: ...\Lecture7\input\district_capitals.shp
Output Feature Class: ...\Lecture7\temporary\distance2border.shp
Input Features: distance2border.shp
Near Features: boundary_segments.shp
Check "Location"
Method: PLANAR
Now save and run the Model.
Browse the output attribute table.
NEAR_FID: Nearest boundary segment ID
NEAR_DIST: Distance to boundary (in meters)
Finally, use Table to Excel to export an Excel sheet (we skip this today)
Look at
lec7models.tbx\exercises1-3
in the solutions4exercises\
folder
For the Python script, you have to edit arguments for:
so that all the file paths are relative.
Peru is a hilly country
$\Rightarrow$ Ignoring elevation can be misleading
$\Rightarrow$ Use the Add Surface Information tool
Take elevation raster and vector data as inputs
Add new fields to the input attribute table (i.e. overwriting)
For more detail, see ArcGIS Help
This tool is part of 3D Analyst extension
Click "Tool > Extensions" to activate the extension in ArcMap
In Python, add the following command line:
arcpy.CheckOutExtension("3D")
Inputs:
Road polylines for Peru (roads_prj.shp)
STRM30 (W100S10.DEM)
Geo-processing tools:
1. Select
2. Intersect + Dissolve
3. Project Raster
4. Add Surface Information
(according to maketable8.do
in the Dell (2010) replication files)
RUTA: type of road
SUPERFICIE: road condition
Input Features: ...\Lecture7\input\roads_prj.shp
Output Feature Class: ...\Lecture7\temporary\roads_paved.shp
Expression:
"RUTA" = 'Departamental' AND ("SUPERFICIE" = 1 OR "SUPERFICIE" =2)
""
''
For regional roads:
"RUTA" = 'Departamental' AND "SUPERFICIE" >= 1 AND "SUPERFICIE" <=4
For local roads:
"RUTA" = 'Vecinal' AND "SUPERFICIE" >= 1 AND "SUPERFICIE" <=4
Now run the model and see how the output looks like
Input Features:
...\input\StudyDistricts.shp
Output Feature Class: ...\temporary\intersect_paved.shp
Output Type: INPUT
Input Features: intersect_paved.shp
Output Feature Class: ...\temporary\district_road_paved.shp
Dissolve_Field(s): dist_id
Check "multipart features"
Now run the model and see how the output looks like
Now we need to project elevation data to UTM
Which involves resampling (i.e. interpolation)
| $\Rightarrow$ | ||
| Raster in WGS 1984 | Raster in UTM |
Cell in WGS1984 $\neq$ Cell in UTM
Input Raster: ...\input\W100S10.DEM
Output Feature Class: ...\temporary\elevation_prj.tif
Output Coordinate System: WGS_1984_UTM_Zone_18S
Resampling Technique: Bilinear or Cubic
Output Cell Size: 1000 for X / 1000 for Y
Input Feature Class: district_road_paved.shp
Input Surface: elevation_prj.tif
Output Property: SURFACE_LENGTH
NOTE: This tool overwrites the input data.
Input Table: district_road_paved.shp (2)
Output Excel File: ...\output\district_road_paved.xls
We need to repeat
for each road type
We can use Python's list loop (cf. Lecture 6)
1. Create the list of road type names
road_types = ["paved","regional","local"]
2. Start the loop over road types
for road_type in road_types:
3. Change the output file names by string concatenation
road_types = ["paved","regional","local"]
for road_type in road_types:
print "...Intermediate files being set"
roads_shp = "temporary\\roads_"+road_type+".shp"
intersect_shp = "temporary\\intersect_"+road_type+".shp"
district_road_shp = "temporary\\district_road_"+road_type+".shp"
print "...Output files being set"
district_road_xls = "output\\district_road_"+road_type+".xls"
4. For Select, use if/elif/else statements
if road_type == "paved":
selection_criteria = "\"RUTA\" = 'Departamental' AND ( \"SUPERFICIE\" = 1 OR \"SUPERFICIE\" = 2 )"
elif road_type == "regional":
selection_criteria = "\"RUTA\" = 'Departamental' AND ( \"SUPERFICIE\" >= 1 OR \"SUPERFICIE\" <= 4 )"
else:
selection_criteria = "\"RUTA\" = 'Vecinal' AND ( \"SUPERFICIE\" >= 1 OR \"SUPERFICIE\" <= 4 )"
arcpy.Select_analysis(roads_prj_shp, roads_by_type_shp, selection_criteria)
lec7models.tbx\exercise4
exercise4.py
Do you remember which geo-processing tools you used for each of these tasks?


About
NHentaiStatistics Core
The library you never though you would see. Core of the NHentaiStatistics program (soon™), allows the download of data from the nhentai site. Provides easy-to-use 'HentaiStream's to get and output doujin specified by the famous ids. By using these streams one can easily get all data about one doujin without needing to work with nhentai's non-existent library. (I really does not exist, one post on their blog says it exists, but that's just a nasty lie. Most likely got lost in the https transmission.)
Why did I make this
Upon browsing the r/Animemes subreddit, I saw a problem arise that could have easily been solved by knowing the statistics of hentai tags on nhentai. I though, why isn't there a program that allows easy access to doujin on the site, while providing all these necessary data. Sufficient to say, I wanted to so I sacrificed my free time to the gods of lust and descended into my neat little basement of programming efficacy. When I emerged, having overdosed on caffeine and suffering from great sleep-deprivation, I made myself be accompanied by this little library to make it be the bringer of all data used in known processing.


{% extends "base.html" %} {% load static %} {% block content %}
Name: {{ location.name }}
Type: {{ location.type|get_location_type }}
Address: {{ location.get_address }}
Location: {{ location.location }}
Comment: {{ location.comment }}
Updated on: {{ location.updated_on }}
By: {{ location.updated_by }}


Testing Targeting Types
Of these types:
- querySelector - find first via CSS selector
- querySelectorAll - find all via CSS selector
- evaluate - find all via XPath selector
Fragment Identifiers below are mapped into their JS API equivalents. Text within the parentheticals is decoded (because URI escaping) and then passed to the chosen function. Open the console to see output.
Of these types:


Title: 85cccdfb7c8b65f7aeb2dbcbb4dce6fe171bf50b
Stats: eu/stamp_project/examples/dhell
Tested: 7
Partially-tested: 3
Not-covered: 4


Fix
render collection: @records, cache: true
insidejbuilder
templatesThe previous fix that shipped in
7.0.7
assumed template fragments are always strings, this isn't true withjbuilder
.Jean Boussier
Rails 7.0.7 (August 09, 2023)
Fix
render collection: @records, cache: true
to cache fragments as bare stringsPreviously it would incorrectly cache them as Action View buffers.
Jean Boussier
Don't double-encode nested
field_id
andfield_name
index valuesPass
index: @options
as a default keyword argument tofield_id
andfield_name
view helper methods.Sean Doyle
Rails 7.0.6 (June 29, 2023)
- No changes.
Rails <IP_ADDRESS> (June 26, 2023)
- No changes.
Rails 7.0.5 (May 24, 2023)
FormBuilder#id
finds id set byform_for
andform_with
.Matt Polito
Allow all available locales for template lookups.
Ben Dilley
Choices of
select
can optionally contain html attributes as the last element of the child arrays when using grouped/nested collections<%= form.select :foo, [["North America", [["United States","US"],["Canada","CA"]], { disabled: "disabled" }]] %> # => <select><optgroup label="North America" disabled="disabled"><option value="US">United States</option><option value="CA">Canada</option></optgroup></select>
Chris Gunther
Rails <IP_ADDRESS> (March 13, 2023)
Ignore certain data-* attributes in rails-ujs when element is contenteditable
[CVE-2023-23913]
Rails <IP_ADDRESS> (January 24, 2023)
- No changes.
Rails <IP_ADDRESS> (January 17, 2023)
- No changes.
Rails 7.0.4 (September 09, 2022)
Guard against ActionView::Helpers::FormTagHelper#field_name calls with nil
object_name
arguments. For example:<%= fields do |f| %> <%= f.field_name :body %> <% end %>
Sean Doyle
Strings returned from
strip_tags
are correctly taggedhtml_safe?
Because these strings contain no HTML elements and the basic entities are escaped, they are safe to be included as-is as PCDATA in HTML content. Tagging them as html-safe avoids double-escaping entities when being concatenated to a SafeBuffer during rendering.
Fixes rails/rails-html-sanitizer#124
Mike Dalessio
Rails <IP_ADDRESS> (July 12, 2022)
- No changes.
Rails 7.0.3 (May 09, 2022)
Ensure models passed to
form_for
attempt to callto_model
.Sean Doyle
Rails <IP_ADDRESS> (April 26, 2022)
Fix and add protections for XSS in
::ActionView::Helpers
and::ERB::Util
.Escape dangerous characters in names of tags and names of attributes in the tag helpers, following the XML specification. Rename the option
:escape_attributes
to:escape
, to simplify by applying the option to the whole tag.Álvaro Martín Fraguas
Rails <IP_ADDRESS> (March 08, 2022)
- No changes.
Rails <IP_ADDRESS> (February 11, 2022)
- No changes.
Rails <IP_ADDRESS> (February 11, 2022)
- No changes.
Rails 7.0.2 (February 08, 2022)
Ensure
preload_link_tag
preloads JavaScript modules correctly.Máximo Mussini
Fix
stylesheet_link_tag
and similar helpers are being used to work in objects with aresponse
method.dark-panda
Rails 7.0.1 (January 06, 2022)
Fix
button_to
to work with a hash parameter as URL.MingyuanQin
Fix
link_to
with a model passed as an argument twice.Alex Ghiculescu
Rails 7.0.0 (December 15, 2021)
Support
include_hidden:
option in calls toActionView::Helper::FormBuilder#file_field
withmultiple: true
to support submitting an empty collection of files.form.file_field :attachments, multiple: true # => <input type="hidden" autocomplete="off" name="post[attachments][]" value=""> <input type="file" multiple="multiple" id="post_attachments" name="post[attachments][]"> form.file_field :attachments, multiple: true, include_hidden: false # => <input type="file" multiple="multiple" id="post_attachments" name="post[attachments][]">
Sean Doyle
Fix
number_with_precision(raise: true)
always raising even on valid numbers.Pedro Moreira
Rails 7.0.0.rc3 (December 14, 2021)
- No changes.
Rails 7.0.0.rc2 (December 14, 2021)
- No changes.
Rails 7.0.0.rc1 (December 06, 2021)
Support
fields model: [@nested, @model]
the same way asform_with model: [@nested, @model]
.Sean Doyle
Infer HTTP verb
[method]
from a model orArray
with model as the first argument tobutton_to
when combined with a block:Workshop.find(1)){ "Update" } #=> <form method="post" action="/workshops/1" class="button_to"> #=> <input type="hidden" name="_method" value="patch" autocomplete="off" /> #=> <button type="submit">Update</button> #=> </form> ([ Workshop.find(1), Session.find(1) ]) { "Update" } #=> <form method="post" action="/workshops/1/sessions/1" class="button_to"> #=> <input type="hidden" name="_method" value="patch" autocomplete="off" /> #=> <button type="submit">Update</button> #=> </form>
(Sean Doyle
Support passing a
Symbol
as the first argument toFormBuilder#button
:form. (:draft, value: true) # => <button name="post[draft]" value="true" type="submit">Create post</button> form. (:draft, value: true) do content_tag(:strong, "Save as draft") end # => <button name="post[draft]" value="true" type="submit"> # Save as draft # </button>
Sean Doyle
Introduce the
field_name
view helper, along with theFormBuilder#field_name
counterpart:form_for @post do |f| f.field_tag :tag, name: f.field_name(:tag, multiple: true) # => <input type="text" name="post[tag][]"> end
Sean Doyle
Execute the ActionView::Base.field_error_proc within the context of the
::ActionView::Base
instance:config.action_view.field_error_proc = proc { |html| content_tag(:div, html, class: "field_with_errors") }
Sean Doyle
Add support for
button_to ..., authenticity_token: false
"Create", Post.new, authenticity_token: false # => <form class="button_to" method="post" action="/posts"><button type="submit">Create</button></form> "Create", Post.new, authenticity_token: true # => <form class="button_to" method="post" action="/posts"><button type="submit">Create</button><input type="hidden" name="form_token" value="abc123..."  }
Sean Doyle
Add
:day_format
option todate_select
date_select("article", "written_on", day_format: ->(day) { day.ordinalize }) # generates day options like <option value="1">1st</option>\n<option value="2">2nd</option>...
Shunichi Ikegami
Allow
link_to
helper to infer link name fromModel#to_s
when it is used with a single argument:link_to @profile #=> Eileen
This assumes the model class implements a
to_s
method like this:class Profile < ApplicationRecord # ... def to_s name end end
Previously you had to supply a second argument even if the
Profile
model implemented a#to_s
method that called thename
method.link_to @profile, @profile.name #=> Eileen
Olivier Lacan
Support svg unpaired tags for
tag
helper.tag.svg { tag.use('href' => "#cool-icon") } # => <svg><use href="#cool-icon"></svg>
Oleksii Vasyliev
Rails 7.0.0.alpha2 (September 15, 2021)
- No changes.
Rails 7.0.0.alpha1 (September 15, 2021)
Improves the performance of ActionView::Helpers::NumberHelper formatters by avoiding the use of exceptions as flow control.
Mike Dalessio
preload_link_tag
properly insertsas
attributes for files withimage
MIME types, such as JPG or SVG.Nate Berkopec
Add
weekday_options_for_select
andweekday_select
helper methods. Also addsweekday_select
toFormBuilder
.Drew Bragg, Dana Kashubeck, Kasper Timm Hansen
Add
caching?
helper that returns whether the current code path is being cached anduncacheable!
to denote helper methods that can't participate in fragment caching.Ben Toews, John Hawthorn, Kasper Timm Hansen, Joel Hawksley
Add
include_seconds
option fortime_field
.<%= form.time_field :foo, include_seconds: false %> # => <input value="16:22" type="time" />
Default includes seconds:
<%= form.time_field :foo %> # => <input value="16:22:01.440" type="time" />
This allows you to take advantage of different rendering options in some browsers.
Alex Ghiculescu
Improve error messages when template file does not exist at absolute filepath.
Ted Whang
Add
:country_code
option tosms_to
for consistency withphone_to
.Jonathan Hefner
OpenSSL constants are now used for
Digest
computations.Dirkjan Bussink
The
translate
helper now passesdefault
values that aren't translation keys throughI18n.translate
for interpolation.Jonathan Hefner
Adds option
extname
tostylesheet_link_tag
to skip default.css
extension appended to the stylesheet path.Before:
stylesheet_link_tag "style.less" # <link href="/stylesheets/style.less.scss" rel="stylesheet">
After:
stylesheet_link_tag "style.less", extname: false, skip_pipeline: true, rel: "stylesheet/less" # <link href="/stylesheets/style.less" rel="stylesheet/less">
Abhay Nikam
Deprecate
render
locals to be assigned to instance variables.Petrik de Heus
Remove legacy default
media=screen
fromstylesheet_link_tag
.André Luis Leal Cardoso Junior
Change ActionView::Helpers::FormBuilder#button to transform
formmethod
attributes into_method="$VERB"
Form Data to enable varied same-form actions:<%= form_with model: post, method: :put do %> <%= form.button "Update" %> <%= form.button "Delete", formmethod: :delete %> <% end %> <%# => <form action="posts/1"> => <input type="hidden" name="_method" value="put"> => <button type="submit">Update</button> => <button type="submit" formmethod="post" name="_method" value="delete">Delete</button> => </form> %>
Sean Doyle
Change ActionView::Helpers::UrlHelper#button_to to always render a
<button>
element, regardless of whether or not the content is passed as the first argument or as a block.<%= button_to "Delete", post_path(@post), method: :delete %> # => <form action="/posts/1"><input type="hidden" name="_method" value="delete"><button type="submit">Delete</button></form> <%= button_to post_path(@post), method: :delete do %> Delete <% end %> # => <form action="/posts/1"><input type="hidden" name="_method" value="delete"><button type="submit">Delete</button></form>
Sean Doyle, Dusan Orlovic
Add
config.action_view.preload_links_header
to allow disabling of theLink
header being added by default when usingstylesheet_link_tag
andjavascript_include_tag
.Andrew White
The
translate
helper now resolvesdefault
values when anil
key is specified, instead of always returningnil
.Jonathan Hefner
Add
config.action_view.image_loading
to configure the default value of theimage_tag
:loading
option.By setting
config.action_view.image_loading = "lazy"
, an application can opt in to lazy loading images sitewide, without changing view code.Jonathan Hefner
ActionView::Helpers::FormBuilder#id returns the value of the
<form>
element'sid
attribute. With amethod
argument, returns theid
attribute for a form field with that name.<%= form_for @post do |f| %> <%# ... %> <% content_for :sticky_footer do %> <%= form.button(form: f.id) %> <% end %> <% end %>
Sean Doyle
ActionView::Helpers::FormBuilder#field_id returns the value generated by the FormBuilder for the given attribute name.
<%= form_for @post do |f| %> <%= f.label :title %> <%= f.text_field :title, aria: { describedby: f.field_id(:title, :error) } %> <%= tag.span("is blank", id: f.field_id(:title, :error) %> <% end %>
Sean Doyle
Add
tag.attributes
to transform aHash
into HTML Attributes, ready to be interpolated into ERB.<input <%= tag.attributes(type: :text, aria: { label: "Search" }) %> > # => <input type="text" aria-label="Search">
Sean Doyle
Please check [6-1-stable]) for previous changes.


50shadesofhitesh
279 Posts         1,000 Followers         100 Following
50 Shades of HiteshDM are always Open!!Follow and Share!!


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puddykat
Apophis's Queen
Registered: Oct 2001
Location: in a seat next to my computer
Posts: 3388 |
quote: Originally posted by Rhydderch Hael
What if, some six years after the Stargate on Earth had been opened, General Hammond and SG-1 rushes to the gate room to watch an unauthroized offworld activation. The iris opens on its own, and a man in a business suit and glasses steps through. He indentifies himself as one of the Ancients, and he's brought the bill for all the long-distance charges the SGC has racked up for the past six years.
"$1.99 for the first minute, 10? for each additional minute. 99? overcharge fee for every time the gate was overloaded, and a special $19.99 withholding fee for keeping matter locked in transit within the gate system for 48 hours. The bill comes to?eight million, seven hundred and ninety three thousand, four hundred and two dollars, and fifty-six cents. And, by the way, give this bill to the Russians..." and hands Hammond a smaller envelope.
lol!
it would be funny if the gate had gate to gate salesmen!
__________________
sam and jack
The shipper revoloution is coming you just dont know when or where!
November 24th gaters! Puddy turns 16!!
Report this post to a moderator | ? + *
|


|
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| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.simpleframework.util.parse.Parser org.simpleframework.http.parse.CookieParser
public class CookieParser
CookieParser is used to parse the cookie header. The cookie header is one of the headers that is used by the HTTP state management mechanism. The Cookie header is the header that is sent from the client to the server in response to a Set-Cookie header. The syntax of the Cookie header as taken from RFC 2109, HTTP State Management Mechanism.
cookie = "Cookie:" cookie-version 1*((";" | ",") cookie-value) cookie-value = NAME "=" VALUE [";" path] [";" domain] cookie-version = "$Version" "=" value NAME = attr VALUE = value path = "$Path" "=" value domain = "$Domain" "=" valueThe cookie header may consist of several cookies. Each cookie can be extracted from the header by examining the it syntax of the cookie header. The syntax of the cookie header is defined in RFC 2109.
Each cookie has a $Version
attribute followed by multiple
cookies. Each contains a name and a value, followed by an optional
$Path
and $Domain
attribute. This will parse
a given cookie header and return each cookie extracted as a
Cookie
object.
| Field Summary |
|---|
| Fields inherited from class org.simpleframework.util.parse.Parser |
|---|
buf, count, off |
| Constructor Summary | |
|---|---|
CookieParser()
Create a CookieParser that contains no cookies. |
|
CookieParser(java.lang.String header)
This is primarily a convineance constructor. |
| Method Summary | |
|---|---|
protected void |
init()
Resets the cookie and the buffer variables for this CookieParser . |
java.util.Iterator<Cookie> |
iterator()
This is used to acquire the cookie values from the provided the provided source text. |
protected void |
parse()
This will extract the next Cookie from the
buffer. |
void |
reset()
This is used so that the collection of Cookies
can be reiterated. |
protected boolean |
skip(java.lang.String text)
This is used to skip an arbitrary String within the
char buf. |
| Methods inherited from class org.simpleframework.util.parse.Parser |
|---|
digit, ensureCapacity, parse, space, toLower |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public CookieParser()
CookieParser
that contains no cookies.
the instance will return false
for the
hasNext
method. cookies may be parsed using
this instance by using the parse
method.
public CookieParser(java.lang.String header)
String
given to extract the cookies. This could be
achived by calling the default no-arg constructor and then using
the instance to invoke the parse
method on that
String
.
header
- a String
containing a cookie value| Method Detail |
|---|
protected void init()
CookieParser
. It is used to set the
state of the parser to start parsing a new cookie.
init
in class Parser
protected void parse()
Cookie
from the
buffer. If all the characters in the buffer have already
been examined then this method will simply do nothing.
Otherwise this will parse the remainder of the buffer
and (if it follows RFC 2109) produce a Cookie
.
parse
in class Parser
protected boolean skip(java.lang.String text)
String
within the
char
buf. It checks the length of the String
first to ensure that it will not go out of bounds. A comparison
is then made with the buffers contents and the String
if the reigon in the buffer matched the String
then the
offset within the buffer is increased by the String
's
length so that it has effectively skipped it.
This skip
method will ignore all of the whitespace text.
This will also skip trailing spaces within the the input text and
all spaces within the source text. For example if the input was
the string "s omete xt" and the source was "some text to skip" then
the result of a skip ignoring spaces would be "to skip" in the
source string, as the trailing spaces are also eaten by this.
skip
in class Parser
text
- this is the String
value to be skipped
String
was skippedpublic java.util.Iterator<Cookie> iterator()
iterator
in interface java.lang.Iterable<Cookie>
public void reset()
Cookies
can be reiterated. This allows the collection to be reused.
The reset
method will invoke the super classes
init
method. This will reinitialize this
Parser
so the cookie will be reparsed.
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This challenge is part of a tutorial track by MyCodeSchool
You’re given the pointer to the head node of a linked list. Find whether the list contains any cycle (or loop). A linked list is said to contain cycle if any node is re-visited while traversing the list. The head pointer given may be null meaning that the list is empty.
Input Format
You have to complete the int HasCycle(Node* head)
method which takes one argument - the head of the linked list. You should NOT read any input from stdin/console. Number of nodes in a linked list doesn't exceed 100.
Output Format
Check whether the linked list has a cycle and return 1
if there is a cycle. Otherwise, return 0
. Do NOT print anything to stdout/console.
Sample Input
1 --> NULL
1 --> 2 --> 3
^ |
| |
-----
Sample Output
0
1
Explanation
1. First list has no cycle, hence return 0
2. Second list is shown to have a cycle, hence return 1.
Note
After first solving the problem by yourself, see Floyd's cycle-finding algorithm for an
efficient solution which uses O(N) time and O(1) additional memory.


|
| static double | realInnerProduct (double[] vector1, double[] vector2) throws IncompatibleDimensionsException |
| |
| static double[] | normalize (double[] vector) throws IncompatibleDimensionsException |
| |
| static double | norm (double[] vector) throws IncompatibleDimensionsException |
| |
| static double[] | addVectors (double[] vector1, double[] vector2, double scalar) throws IncompatibleDimensionsException |
| |
| static double[] | addVectors (double[] vector1, double[] vector2) throws IncompatibleDimensionsException |
| |
| static double[] | multiplyMatrixVector (double[][] matrix, double[] vector, char thing) throws IncompatibleDimensionsException |
| |
| static double[] | scaleVector (double[] vector, double factor) |
| |
| static double[][] | outerProduct (double[][] matrix, double[] vector, double[] vectorScalar) throws IncompatibleDimensionsException |
| |
| static double[] | kronAtom (double[] vector1, double[] vector2) throws IncompatibleDimensionsException |
| |
| static double | maxAbs (double[] vector) |
| |
| static double | maxAbs (double[][] matrix) |
| |
| static void | allocateElements (double[] vector, double value, int num) |
| |
| static double[][] | matrixMultiply (double[][] matrix1, double[][] matrix2, char thing1, char thing2) throws IncompatibleDimensionsException |
| |
| static double | vectorMatrixVector (double[] vector1, double[][] matrix, double[] vector2) throws IncompatibleDimensionsException |
| |
Adds and scales the first vector TODO This should be handle outside this class
- Parameters
-
- Returns
- Exceptions
-
Adds two vectors of the same length together
- Parameters
-
- Returns
- The resulting vector
- Exceptions
-
| static void OMP2D.MatrixOperations.allocateElements |
( |
double[] |
vector, |
|
|
double |
value, |
|
|
int |
num |
|
) |
| |
|
static |
Fills a vector with a given value up the n-th element Not necessary in Java for we have Array.fill()
- Parameters
-
| vector | The vector to be filled |
| value | The value which will be inserted |
| num | The last numbered index which will be filled 0 to num inclusive |
Applies the Kronecker product of two vectors (QUESTION should this be matrices as well? No)
- Parameters
-
- Returns
- Exceptions
-
| static double [][] OMP2D.MatrixOperations.matrixMultiply |
( |
double |
matrix1[][], |
|
|
double |
matrix2[][], |
|
|
char |
thing1, |
|
|
char |
thing2 |
|
) |
| throws IncompatibleDimensionsException |
|
static |
Performs the dot product of two matrices
- Parameters
-
| matrix1 | A matrix defined as |
| matrix2 | A matrix defined as |
| thing1 | (QUESTION not sure what this is) |
| thing2 | |
- Returns
- The resulting matrix
- Exceptions
-
| static double OMP2D.MatrixOperations.maxAbs |
( |
double[] |
vector | ) |
|
|
static |
Finds the largest absolute value of a given vector
- Parameters
-
- Returns
- the largest absolute value
| static double OMP2D.MatrixOperations.maxAbs |
( |
double |
matrix[][] | ) |
|
|
static |
Finds the largest absolute value of a given matrix
- Parameters
-
- Returns
Multiplies a given matrix and vector
- Parameters
-
| matrix | A matrix of dimensions (m,n) |
| vector | A vector of dimension m |
| thing | (QUESTION I'm not sure what this is...) |
- Returns
- the resulting vector
- Exceptions
-
Performs the Euclidean norm operation on a vector
- Parameters
-
- Returns
- The Euclidean norm
- Exceptions
-
- Parameters
-
- Returns
- Exceptions
-
| static double [][] OMP2D.MatrixOperations.outerProduct |
( |
double |
matrix[][], |
|
|
double[] |
vector, |
|
|
double[] |
vectorScalar |
|
) |
| throws IncompatibleDimensionsException |
|
static |
Performs the outer product
- Parameters
-
| matrix | A transposed vector |
| vector | |
| vectorScalar | TODO this should be done outside this method |
- Returns
- Exceptions
-
Performs the inner product operation on two vectors
- Parameters
-
- Returns
- The inner product
- Exceptions
-
| static double [] OMP2D.MatrixOperations.scaleVector |
( |
double[] |
vector, |
|
|
double |
factor |
|
) |
| |
|
static |
Scales a vector by a given factor
- Parameters
-
- Returns
- The vector scaled
Performs the (QUESTION is there an official name for this?) Sandwich
- Parameters
-
- Returns
- The resulting value
- Exceptions
-
The documentation for this class was generated from the following file:


Top 5 Songs For J. Cole
Rank
Artist
Title
Album
1
J. Cole
No Role Modelz
2
J. Cole
Power Trip (feat. Miguel)
3
J. Cole
Work out
4
J. Cole
Cole World
5
J. Cole
Window Pain - Outro


My Name is Emily Williams, and I'm 29 years old. I've lived in Amarillo most of my life.
I love writing, gaming, and animals! I have two cats, four snakes, and three bearded dragons.
Since earning my Bachelors of Science in Wildlife Biology, I've been passionate about wildlife conservation.


Configuring Display Rules for Polygon Data¶
You can use elevation, color, and text labels to distinguish the characteristics of polygon shapes in your data. This lesson guides you through the process of graphically distinguishing the population in each county in California using display rules.
- Define and Build a Vector Resource Using Polygon Data
- Define, Configure, and Build a Vector Project
- Define and Build an Imagery Project
- Define, Build, and Publish a Database for the Polygon Data
- View Your Database in Google Earth EC
Define and Build a Vector Resource Using Polygon Data
This exercise walks you through the process of defining and building a vector resource using US census data for the state of California organized by county.
To define and build a vector resource using polygon data:
Select Asset Manager from the Tools menu.
The Asset Manager appears.
Click on the toolbar.
The Vector Resource Editor appears.
Set the acquisition date to today’s date in year-month-day format by clicking each section of the date and entering the values.
Select GNIS/US Census Bureau from the Provider drop-down list.
Click Add.
The Open Source dialog appears.
Navigate to the
/opt/google/share/tutorials/fusion/Vector
folder.Select the
cal_counties_census.shp
file, and click Open.The selected file appears on the Source File(s) list.
Select File > Save.
The Save dialog appears.
Navigate to the
/ASSET_ROOT/Resources/Vector
folder you created in Setting Up the Tutorial.Enter the name CACountyPopulation for the resource, and click Save.
The name of the resource appears on the right when you select the
/ASSET_ROOT/Resources/Vector
folder in the asset navigation tree.Right-click CACountyPopulation, and select Build from the context menu.
Google Earth Enterprise Fusion builds the resource.
Define, Configure, and Build a Vector Project
This exercise walks you through the process of defining, configuring, and building a vector project using the resource you created in the previous exercise.
To define and build a vector project and configure display rules for polygons:
Click on the toolbar. The Vector Project Editor appears.
Click .
The Open dialog appears.
Navigate to the
ASSET_ROOT/Resources/Vector
folder.Select CACountyPopulation, and click Open.
The CACountyPopulation resource appears in the Vector Project Editor.
Right-click CACountyPopulation, and select Configure Display Rules from the context menu.
The Display Rules dialog appears with the Feature tab in the foreground and the default select all rule highlighted.
Specify the geometry characteristics of the polygons (in this case, the counties):
For Draw Features As, select Polygons.
For Visibility, accept the default range, 4 through 24.
For Maximum Simplification Error, accept the default setting, 0.5.
Under Draw Style, set:
Mode to Outlined and Filled.
Fill Color to medium green.
Tip
When you set fill color, specify a value of 125 for the alpha channel instead of 255. This makes the fill color semi-transparent instead of opaque.
Outline Color to black.
Outline Width to 1.
The result of these settings is that Google Earth EC displays each county as a semi-transparent green polygon with a black outline.
Under Elevation/Height, set:
- Mode to Relative.
- Check the box next to Extrude.
- Check the box next to User-Defined Height.
- Height Variable to POP2000. (Click the empty text field, select POP2000 from Insert Field the drop-down list, and click OK.)
- Offset to 0.
- Scale to 0.05.
The result of these settings is that Google Earth EC displays each county at an elevation relative to its population. That is, counties with higher population appear taller. Counties with lower population appear shorter. (Refer to the Google Earth Enterprise Fusion Reference Guide for complete details about each of the settings in this dialog.)
On the right side of the dialog, check the box next to Draw Label.
This allows you to specify the content of a text label for each county.
For Visibility, set the range to 4 through 24.
Under Label Properties, select Text from the drop-down list, and then click the empty text field.
The Format Label dialog appears.
Select COUNTY from the Insert Field drop-down list, and click OK.
For Highlight, set:
- Color to pale yellow.
- Scale to 1.
The result of these settings is that Google Earth EC displays each county’s name in bright yellow text. Each text label is centered within its county
For Normal, set:
- Color to bright yellow.
- Scale to 1.
Click OK.
You return to the Vector Project Editor.
Select File > Save.
The Save dialog appears.
Navigate to the
ASSET_ROOT/Projects/Vector
folder.Enter CACountyPopulation as the name of your project, and click Save.
Note
Although this is the same name as the resource, Google Earth Enterprise Fusion allows it, because they are different asset types and, therefore, have different file name extensions. In addition, they are being stored in different folders.
The new project appears in the Asset Manager when you select ASSET_ROOT/Projects/Vector in the asset navigation tree.
Right-click CACountyPopulation, and select Build from the context menu.
Google Earth Enterprise Fusion builds the project.
Define and Build an Imagery Project
Although you can build, push, and publish a database that includes
a vector project only, you cannot connect directly to your server
with Google Earth EC to view that data unless your database also
includes an imagery project. If you publish a database that
includes a vector project only, you must use the Add Database
command on the File menu in Google Earth EC to add the database to
the base imagery after logging in to kh.google.com
or
another server that serves a database that includes imagery.
This exercise walks you through the process of defining and building an imagery project using a resource you created in Defining and Building Resources.
Note
If you have already completed this exercise in Configuring Display Rules for Point Data, skip this exercise and move on to Define, Build, Push, and Publish a Database for the Polygon Data.
To define and build an imagery project:
Click on the toolbar.
The Imagery Project Editor appears.
Accept all of the default values in the Legend area. (Refer to the Google Earth Enterprise Fusion Reference Guide for details about these settings.)
Click .
The Open dialog appears.
Navigate to the
ASSET_ROOT/Resources/Imagery
folder.- Select BlueMarble and click Open.
The BlueMarble resource appears in the Imagery Project Editor.
Select File > Save.
The Save dialog appears.
Navigate to the
ASSET_ROOT/Projects/Imagery
folder.Enter BlueMarble as the name of your project and click Save.
The new project appears in the Asset Manager when you select ASSET_ROOT/Projects/Imagery in the asset navigation tree.
Right-click BlueMarble and select Build from the context menu.
Google Earth Enterprise Fusion builds the project.
Define, Build, and Publish a Database for the Polygon Data
This exercise walks you through the process of defining, building, and publishing a database using the projects you created in the previous exercise.
To define, build, and push a database:
-
The Database Editor appears with no projects selected.
Click next to Vector Project.
The Open dialog appears.
Navigate to
ASSET_ROOT/Projects/Vector
.Select the CACountyPopulation project, and click Open.
The CACountyPopulation project appears in the Database Editor next to Vector Project.
Repeat steps 2 through 4 to add BlueMarble as the imagery project.
You do not need to add a terrain project for this exercise. Both projects appear on the list.
Select File > Save.
The Save dialog appears.
Navigate to the
ASSET_ROOT/Databases
folder.Enter CACountyPopulation for the name of your database and click Save.
The name of the database appears on the right when you select the
/ASSET_ROOT/Databases
folder in the asset navigation tree.Right-click CACountyPopulation and select Build from the context menu.
Google Earth Enterprise Fusion builds the database.
Right-click CACountyPopulation and select Push from the context menu.
The Push Database dialog appears.
Select the server association on the Server Associations drop-down list. The most recent version of the selected database is the default selection on the Version drop-down list.
Click Push.
Google Earth Enterprise Fusion runs the process of pushing the database to the Google Earth Enterprise Server, and displays a success message when it is done.
To publish a database:
Access the Google Earth Enterprise Server Admin console in a browser window by going to myserver.mydomainname.com/admin, replacing myserver and mydomainname with your server and domain.
Sign in with the default credentials:
- Username: geapacheuser
- Password: geeadmin
Click Databases to display the list of databases pushed to the Server.
Check the box next to the database you want to publish. The Publish button on the Databases page appears.
Click Publish. The Publish dialog appears.
Specify a Publish point, where the database will be accessible from. For example, if you specify CACountyPopulation-v001, it will be accessible from myserver.mydomainname.com/CACountyPopulation-v001.
To learn more about the options available in the Publish dialog, see
Click the Publish button. The Databases page updates to indicate the published status of your database.
View Your Database in Google Earth EC
This exercise walks you through the process of viewing your database in Google Earth EC.
To view your database:
Launch Google Earth EC. The Select Server dialog appears.
Enter or select the host name or IP address of your server in the Server field and specify the Publish point that you selected when you published your map database. For example, if you specify CACountyPopulation-v001, it will be accessible from myserver.mydomainname.com/CACountyPopulation-v001.
Click the Sign In button.
Warning
If you have logged in to this server with Google Earth EC previously, log out, clear your cache, and log back in. See Clearing the Google Earth EC cache.
Zoom in to the west coast of the US.
Google Earth EC displays all of the counties in California labeled with the names of the counties. The closer you zoom in, the more spread out the counties look and the more county names you can see.
Note
If you cannot see the vector data, make sure the checkbox next to CACountyPopulation in the Layers panel is checked.
Turn and tilt the Earth so you can see the heights of the counties.
Each county’s height indicates its relative population. Counties with higher populations are taller, and counties with lower populations are shorter.


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