Translator: youyun
Author: labuladong
Design Twitter is question 355 on LeetCode. This question is both interesting and practical. It combines both algorithms about ordered linked lists and Object Oriented (OO) design principles. We’ll be able to link Twitter functions with algorithms when we look at the requirements.
Twitter is similar to Weibo. We’ll focus on the APIs below:
class Twitter {
/** user post a tweet */
public void postTweet(int userId, int tweetId) {}
/** return the list of IDs of recent tweets,
from the users that the current user follows (including him/herself),
maximum 10 tweets with updated time sorted in descending order */
public List<Integer> getNewsFeed(int userId) {}
/** follower will follow the followee,
create the ID if it doesn't exist */
public void follow(int followerId, int followeeId) {}
/** follower unfollows the followee,
do nothing if the ID does not exist */
public void unfollow(int followerId, int followeeId) {}
}
Let’s look at an user story to understand how to use these APIs:
Twitter twitter = new Twitter();
twitter.postTweet(1, 5);
// user 1 posts a tweet with ID 5
twitter.getNewsFeed(1);
// return [5]
// Remarks: because each user follows him/herself
twitter.follow(1, 2);
// user 1 starts to follow user 2
twitter.postTweet(2, 6);
// user 2 posted a tweet with ID 6
twitter.getNewsFeed(1);
// return [6, 5]
// Remarks: user 1 follows both user 1 and user 2,
// return the recent tweets from both users,
// with tweet 6 in front of tweet 5 as tweet 6 is more recent
twitter.unfollow(1, 2);
// user 1 unfollows user 2
twitter.getNewsFeed(1);
// return [5]
This is a common case in our daily life. Take Facebook as an example, when I just added my dream girl as friend on Facebook, I’ll see her recent posts in my refreshed feeds, sorted in descending order. The difference is Twitter is uni-directional, while Facebook friends are bi-directional.
Most of these APIs are easy to implement. The most functionally difficult part could be getNewsFeed
, as we have to sort by time in descending. However, the list of followees are dynamic, which makes these hard to keep track of.
Algorithm helps here: Imagine we store each user’s own tweets in a linked list sorted by timestamp, with each node representing the tweet’s ID and timestamp (datetime of creation). If a user follows k followees, we can combine these k ordered linked lists, and apply an algorithm to get the correct getNewsFeed
.
Let’s put the algorithm aside first and discuss in details later. There is another question: how should we use code to represent users and tweets to apply the algorithm? This involves OO design. Let’s break into parts and tackle them one step at a time.
Based on the analysis just now, we need a User
class to store information about users, and a Tweet
class to store information of tweets. The Tweet class will also be nodes in linked lists. Let’s put up the frameworks:
class Twitter {
private static int timestamp = 0;
private static class Tweet {}
private static class User {}
/* the APIs skeleton */
public void postTweet(int userId, int tweetId) {}
public List<Integer> getNewsFeed(int userId) {}
public void follow(int followerId, int followeeId) {}
public void unfollow(int followerId, int followeeId) {}
}
Because Tweet
class needs to store timestamp, and User
class needs to use Tweet
class to store the tweets posted by a user, we put Tweet
class and User
class in Twitter
class as inner class. For clarity and simplicity, we’ll define them one by one.
1、Implementation of Tweet Class
Based on the previous analysis, it is easy to implement Tweet
class. Each Tweet
instance just needs to store its own tweetId
and posted timestamp time
. As node in linked list, it also needs to have a point next
pointing to the next node.
class Tweet {
private int id;
private int time;
private Tweet next;
// initialize with tweet ID and post timestamp
public Tweet(int id, int time) {
this.id = id;
this.time = time;
this.next = null;
}
}
2、Implementation of User Class
Let’s think about the real use cases. A user needs to store his/her userId
, list of followees, and list of posted tweets. The list of followees can use Hash Set to store data, to avoid duplication and search fast. The list of posted tweets should be stored in a linked list to merge with order. Refer to the diagram below:
Besides, based on OO design principles, since the list of followees and the list of tweets are stored in User
, actions such as “follow”, “unfollow”, and “post” should be User
’s actions. Let’s define these as User
’s APIs:
// static int timestamp = 0
class User {
private int id;
public Set<Integer> followed;
// The head of the linked list of posted tweets by the user
public Tweet head;
public User(int userId) {
followed = new HashSet<>();
this.id = userId;
this.head = null;
// follow the user him/herself
follow(id);
}
public void follow(int userId) {
followed.add(userId);
}
public void unfollow(int userId) {
// a user is not allowed to unfollow him/herself
if (userId != this.id)
followed.remove(userId);
}
public void post(int tweetId) {
Tweet twt = new Tweet(tweetId, timestamp);
timestamp++;
// insert the new tweet to the head of the linked list
// the closer a tweet is to the head, the larger the value of time
twt.next = head;
head = twt;
}
}
3、 Implementation of Several APIs
class Twitter {
private static int timestamp = 0;
private static class Tweet {...}
private static class User {...}
// we need a mapping to associate userId and User
private HashMap<Integer, User> userMap = new HashMap<>();
/** user posts a tweet */
public void postTweet(int userId, int tweetId) {
// instantiate an instance if userId does not exist
if (!userMap.containsKey(userId))
userMap.put(userId, new User(userId));
User u = userMap.get(userId);
u.post(tweetId);
}
/** follower follows the followee */
public void follow(int followerId, int followeeId) {
// instantiate if the follower does not exist
if(!userMap.containsKey(followerId)){
User u = new User(followerId);
userMap.put(followerId, u);
}
// instantiate if the followee does not exist
if(!userMap.containsKey(followeeId)){
User u = new User(followeeId);
userMap.put(followeeId, u);
}
userMap.get(followerId).follow(followeeId);
}
/** follower unfollows the followee, do nothing if follower does not exists */
public void unfollow(int followerId, int followeeId) {
if (userMap.containsKey(followerId)) {
User flwer = userMap.get(followerId);
flwer.unfollow(followeeId);
}
}
/** return the list of IDs of recent tweets,
from the users that the current user follows (including him/herself),
maximum 10 tweets with updated time sorted in descending order */
public List<Integer> getNewsFeed(int userId) {
// see below as we need to understand the algorithm
}
}
The algorithm which combines k ordered linked list is implemented using Priority Queue. This data structure is an important application of Binary Heap. All inserted elements are auto sorted. When some random elements are inserted, we can easily take them out in ascending or descending order.
PriorityQueue pq
# insert with random elements
for i in {2,4,1,9,6}:
pq.add(i)
while pq not empty:
# pop out the first (smallest) element each time
print(pq.pop())
# Sorted Output：1,2,4,6,9
Based on this cool data structure, we can easily implement the core function. Note that we use Priority Queue to sort time
in descending order, because the larger the value of time
, the more recent it is, and hence, the close to the head it should be placed:
public List<Integer> getNewsFeed(int userId) {
List<Integer> res = new ArrayList<>();
if (!userMap.containsKey(userId)) return res;
// IDs of followees
Set<Integer> users = userMap.get(userId).followed;
// auto sorted by time property in descending order
// the size will be equivalent to users
PriorityQueue<Tweet> pq =
new PriorityQueue<>(users.size(), (a, b)->(b.time - a.time));
// first, insert all heads of linked list into the priority queue
for (int id : users) {
Tweet twt = userMap.get(id).head;
if (twt == null) continue;
pq.add(twt);
}
while (!pq.isEmpty()) {
// return only 10 records
if (res.size() == 10) break;
// pop the tweet with the largest time (the most recent)
Tweet twt = pq.poll();
res.add(twt.id);
// insert the next tweet, which will be sorted automatically
if (twt.next != null)
pq.add(twt.next);
}
return res;
}
Here is a GIF I created to describe the process of combining linked lists. Assume there are 3 linked lists of tweets, sorted by time
property in descending order, we’ll combine them in res
in descending order. Note that the numbers in the nodes are time
property, not id
:
As of now, the design of a simple Twitter timeline function is completed.
In this article, we designed a simple timeline function using OO design principles and an algorithm which combines k sorted linked lists. This functionality is widely used in many social applications.
Firstly, we design the two classes, User
and Tweet
. On top of these, we used an algorithm to resolve the most important function. From this example, we can see that algorithms are not used alone in real applications. Algorithms need to be integrated with other knowledge to show their value.
However, our simple design may not cope with large throughput. In fact, the amount of data in real social applications is tremendous. There are a lot more aspects to take into consideration, including read and write performance to Database, the limit of memory cache, etc. Real applications are big and complicated engineering projects. For instance, the diagram below is a high-level system architecture diagram of a social network such as Twitter:
The problem we resolved is only a small part of the Timeline Service component. As the number of functions increases, the degree of complexity grows exponentially. Having one algorithm is not enough. It is more important to have a proper high-level design.


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The test cases in this category are used to verify the requirements associated with the selection of a podcast on the main menu.


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Janet Street Porter defends Prince Andrew over car crash Newsnight interview
Janet Street Porter defended Prince Andrew over his ‘car crash’ Newsnight interview, after he attempted to clear up his friendship with Jeffrey Epstein.
During an appearance on Loose Women, the 72-year-old opened up about the backlash, explaining he ‘did his best’.
‘I looked at that interview, it was like a car crash, it was dreadful,’ she told the ITV panel. ‘But I think he did his best.
‘I actually sat next to Prince Andrew at a dinner and talked to him for quite a long time.
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‘I thought he was a really pleasant person, but not the brightest lightbulb in the box.’
She also took a second to slam the businesses who have announced they are thinking of pulling out of sponsorship for the charities he works with – after KPMG bosses confirmed they were backing out of his mentorship scheme.
‘I do think sponsors pulling out of his very good charities is pretty shabby,’ she continued.
‘Those charities help people starting up businesses, and they help young people. And for those sponsors like KPMG to announce today they’re thinking of pulling out, is shocking.’
Despite branding the appearance a ‘blunder’, Janet praised Prince Andrew’s skills as a dad to Princess Beatrice and Princess Eugenie – whom he shares with Sarah Ferguson.
‘Whatever we might criticise Prince Andrew for, and there’s a lot to criticise him for, he has been an extraordinarily good father,’ she added.
The Royal appeared in a shocking Newsnight interview on Saturday night, where he was forced to answer questions on his close friendship with Jeffrey Epstein.
Speaking about their friendship, Andrew, who had been photographed with Epstein in Central Park after the businessman had been convicted for the prostitution of minors in 2010, said he’d ‘let the side down’ by maintaining the friendship.
The Duke claimed he had met Epstein in New York to end the friendship, stating: ‘I stayed with him … and that’s the bit that …
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‘I kick myself for on a daily basis because it was not something that was becoming of a member of the royal family and we try and uphold the highest standards and practices.
‘I let the side down, simple as that.’
Loose Women continues on weekdays, at 12.30, on ITV.
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|
Nakama C++ Client SDK
2.0.2
Client for Nakama Server
|
Classes | |
| struct | DefaultClientParameters |
| struct | NAccount |
| A user with additional account details. Always the current user. More... | |
| struct | NAccountDevice |
| Used with authenticate/link/unlink and user. More... | |
| struct | NChannel |
| A realtime chat channel. More... | |
| struct | NChannelMessage |
| A message sent on a channel. More... | |
| struct | NChannelMessageAck |
| A receipt reply from a channel message send operation. More... | |
| struct | NChannelMessageList |
| A list of channel messages, usually a result of a list operation. More... | |
| struct | NChannelPresenceEvent |
| A set of joins and leaves on a particular channel. More... | |
| class | NClientInterface |
| class | NConsoleLogSink |
| Writes logs to console output. More... | |
| struct | NDeleteStorageObjectId |
| Storage objects to delete. More... | |
| struct | NError |
| struct | NFriend |
| A friend of a user. More... | |
| struct | NFriends |
| < A collection of zero or more friends of the user. More... | |
| struct | NGroup |
| A group in the server. More... | |
| struct | NGroupList |
| One or more groups returned from a listing operation. More... | |
| struct | NGroupUser |
| A single user-role pair. More... | |
| struct | NGroupUserList |
| A list of users belonging to a group, along with their role. More... | |
| struct | NLeaderboardRecord |
| Represents a complete leaderboard record with all scores and associated metadata. More... | |
| struct | NLeaderboardRecordList |
| A set of leaderboard records, may be part of a leaderboard records page or a batch of individual records. More... | |
| class | NLogger |
| Logger. More... | |
| class | NLogSinkInterface |
| struct | NMatch |
| Represents a realtime match. More... | |
| struct | NMatchData |
| Realtime match data received from the server. More... | |
| struct | NMatchList |
| A list of realtime matches. More... | |
| struct | NMatchmakerMatched |
| A successful matchmaking result. More... | |
| struct | NMatchmakerTicket |
| A ticket representing a new matchmaking process. More... | |
| struct | NMatchmakerUser |
| struct | NMatchPresenceEvent |
| A set of joins and leaves on a particular realtime match. More... | |
| struct | NNotification |
| A notification in the server. More... | |
| struct | NNotificationList |
| A collection of zero or more notifications. More... | |
| struct | NReadStorageObjectId |
| Storage objects to get. More... | |
| struct | NRpc |
| Execute an Lua function on the server. More... | |
| class | NRtClientInterface |
| class | NRtClientListenerInterface |
| class | NRtDefaultClientListener |
| struct | NRtError |
| A logical error which may occur on the server. More... | |
| class | NRtTransportInterface |
| class | NSessionInterface |
| struct | NStatus |
| A snapshot of statuses for some set of users. More... | |
| struct | NStatusPresenceEvent |
| A batch of status updates for a given user. More... | |
| struct | NStorageObject |
| An object within the storage engine. More... | |
| struct | NStorageObjectAck |
| A storage acknowledgement. More... | |
| struct | NStorageObjectList |
| List of storage objects. More... | |
| struct | NStorageObjectWrite |
| The object to store. More... | |
| struct | NStream |
| Represents identifying information for a stream. More... | |
| struct | NStreamData |
| A data message delivered over a stream. More... | |
| struct | NStreamPresenceEvent |
| A set of joins and leaves on a particular stream. More... | |
| struct | NTournament |
| A tournament on the server. More... | |
| struct | NTournamentList |
| A list of tournaments. More... | |
| struct | NTournamentRecordList |
| A set of tournament records which may be part of a tournament records page or a batch of individual records. More... | |
| struct | NUser |
| A user in the server. More... | |
| struct | NUserGroup |
| A single group-role pair. More... | |
| struct | NUserGroupList |
| A list of groups belonging to a user, along with the user's role in each group. More... | |
| struct | NUserPresence |
| A user session associated to a stream, usually through a list operation or a join/leave event. More... | |
| struct | NUsers |
| A collection of zero or more users. More... | |
| struct | RtClientParameters |
Typedefs | |
| using | NAccountPtr = std::shared_ptr< NAccount > |
| using | NChannelMessageListPtr = std::shared_ptr< NChannelMessageList > |
| using | NFriendsPtr = std::shared_ptr< NFriends > |
| using | NGroupListPtr = std::shared_ptr< NGroupList > |
| using | NGroupUserListPtr = std::shared_ptr< NGroupUserList > |
| using | NLeaderboardRecordListPtr = std::shared_ptr< NLeaderboardRecordList > |
| using | NMatchListPtr = std::shared_ptr< NMatchList > |
| using | NNotificationListPtr = std::shared_ptr< NNotificationList > |
| using | NStorageObjects = std::vector< NStorageObject > |
| using | NStorageObjectAcks = std::vector< NStorageObjectAck > |
| Batch of acknowledgements. More... | |
| using | NStorageObjectListPtr = std::shared_ptr< NStorageObjectList > |
| using | NTournamentListPtr = std::shared_ptr< NTournamentList > |
| using | NTournamentRecordListPtr = std::shared_ptr< NTournamentRecordList > |
| using | NUserGroupListPtr = std::shared_ptr< NUserGroupList > |
| using | NLogSinkPtr = std::shared_ptr< NLogSinkInterface > |
| using | ErrorCallback = std::function< void(const NError &)> |
| using | NClientPtr = std::shared_ptr< NClientInterface > |
| using | NSessionPtr = std::shared_ptr< NSessionInterface > |
| using | NTimestamp = uint64_t |
| using | NBytes = std::string |
| array of bytes More... | |
| using | NStringMap = std::map< std::string, std::string > |
| using | NStringDoubleMap = std::map< std::string, double > |
| using | RtErrorCallback = std::function< void(const NRtError &)> |
| using | NRtClientPtr = std::shared_ptr< NRtClientInterface > |
| using | NRtClientListenerPtr = std::shared_ptr< NRtClientListenerInterface > |
| using | NRtTransportPtr = std::shared_ptr< NRtTransportInterface > |
| using | NChannelPtr = std::shared_ptr< NChannel > |
| using | NMatchmakerMatchedPtr = std::shared_ptr< NMatchmakerMatched > |
| typedef std::string | Base64Buffer |
Functions | |
| NClientPtr | createDefaultClient (const DefaultClientParameters ¶meters) |
| const char * | getNakamaSdkVersion () |
| const char * | toString (ErrorCode code) |
| std::string | toString (const NError &error) |
| NSessionPtr | restoreSession (const std::string &token) |
| NTimestamp | getUnixTimestampMs () |
| NRtTransportPtr | createDefaultWebsocket () |
| NRtTransportPtr | createWebsocketpp () |
| NRtTransportPtr | createIXWebSocket () |
| const char * | toString (RtErrorCode code) |
| std::string | toString (const NRtError &error) |
| std::string | base64Encode (const Base64Buffer &buffer) |
| Base64Buffer | base64Decode (const std::string &base64str) |
| std::string | getJsonFieldValue (const std::string &json, const std::string &field_name) |
| std::string | urlEncode (const std::string &str) |
| typedef std::string Nakama::Base64Buffer |
| using Nakama::ErrorCallback = typedef std::function<void(const NError&)> |
| using Nakama::NAccountPtr = typedef std::shared_ptr<NAccount> |
| using Nakama::NBytes = typedef std::string |
array of bytes
| using Nakama::NChannelMessageListPtr = typedef std::shared_ptr<NChannelMessageList> |
| using Nakama::NChannelPtr = typedef std::shared_ptr<NChannel> |
| using Nakama::NClientPtr = typedef std::shared_ptr<NClientInterface> |
| using Nakama::NFriendsPtr = typedef std::shared_ptr<NFriends> |
| using Nakama::NGroupListPtr = typedef std::shared_ptr<NGroupList> |
| using Nakama::NGroupUserListPtr = typedef std::shared_ptr<NGroupUserList> |
| using Nakama::NLeaderboardRecordListPtr = typedef std::shared_ptr<NLeaderboardRecordList> |
| using Nakama::NLogSinkPtr = typedef std::shared_ptr<NLogSinkInterface> |
| using Nakama::NMatchListPtr = typedef std::shared_ptr<NMatchList> |
| using Nakama::NMatchmakerMatchedPtr = typedef std::shared_ptr<NMatchmakerMatched> |
| using Nakama::NNotificationListPtr = typedef std::shared_ptr<NNotificationList> |
| using Nakama::NRtClientListenerPtr = typedef std::shared_ptr<NRtClientListenerInterface> |
| using Nakama::NRtClientPtr = typedef std::shared_ptr<NRtClientInterface> |
| using Nakama::NRtTransportPtr = typedef std::shared_ptr<NRtTransportInterface> |
| using Nakama::NSessionPtr = typedef std::shared_ptr<NSessionInterface> |
| using Nakama::NStorageObjectAcks = typedef std::vector<NStorageObjectAck> |
Batch of acknowledgements.
| using Nakama::NStorageObjectListPtr = typedef std::shared_ptr<NStorageObjectList> |
| using Nakama::NStorageObjects = typedef std::vector<NStorageObject> |
| using Nakama::NStringDoubleMap = typedef std::map<std::string, double> |
| using Nakama::NStringMap = typedef std::map<std::string, std::string> |
| using Nakama::NTimestamp = typedef uint64_t |
UNIX time in milliseconds. Use getUnixTimestampMs() to get current time.
| using Nakama::NTournamentListPtr = typedef std::shared_ptr<NTournamentList> |
| using Nakama::NTournamentRecordListPtr = typedef std::shared_ptr<NTournamentRecordList> |
| using Nakama::NUserGroupListPtr = typedef std::shared_ptr<NUserGroupList> |
| using Nakama::RtErrorCallback = typedef std::function<void(const NRtError&)> |
|
strong |
Error codes.
|
strong |
|
strong |
|
strong |
|
strong |
|
strong |
|
strong |
|
strong |
|
strong |
The selection of possible error codes.
| Base64Buffer Nakama::base64Decode | ( | const std::string & | base64str | ) |
Decode base64
string
| base64str | base64 string |
| std::string Nakama::base64Encode | ( | const Base64Buffer & | buffer | ) |
Encode bytes buffer using base64
algorithm
| buffer | byte buffer to encode |
base64
string | NClientPtr Nakama::createDefaultClient | ( | const DefaultClientParameters & | parameters | ) |
Creates a default client to interact with Nakama server.
| parameters | the client parameters |
| NRtTransportPtr Nakama::createDefaultWebsocket | ( | ) |
Create default websocket transport.
Creates Websocketpp or IXWebSocket transport depending on platform. Check out README for supported platforms.
| NRtTransportPtr Nakama::createIXWebSocket | ( | ) |
Create IXWebSocket transport.
Check out README for supported platforms.
| NRtTransportPtr Nakama::createWebsocketpp | ( | ) |
Create Websocketpp transport.
Check out README for supported platforms.
| std::string Nakama::getJsonFieldValue | ( | const std::string & | json, |
| const std::string & | field_name | ||
| ) |
Get the field value from json string
Supports only simple field types: number, string, boolean and null
| json | the json string |
| field_name | name of field |
| const char* Nakama::getNakamaSdkVersion | ( | ) |
| NTimestamp Nakama::getUnixTimestampMs | ( | ) |
Get current UNIX time in milliseconds.
Returns number of milliseconds that have elapsed since 00:00:00 Thursday, 1 January 1970.
| NSessionPtr Nakama::restoreSession | ( | const std::string & | token | ) |
Restore a session from an authentication token.
| token | The authentication token from a NSessionInterface . |
| const char* Nakama::toString | ( | RtErrorCode | code | ) |
| std::string Nakama::toString | ( | const NRtError & | error | ) |
| const char* Nakama::toString | ( | ErrorCode | code | ) |
| std::string Nakama::toString | ( | const NError & | error | ) |
| std::string Nakama::urlEncode | ( | const std::string & | str | ) |
Encode string to allow use it in an URL
| str | string to encode |


Doge Social Network
Home
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Welcome to the Doge Social Network
Here you can find friends or stalk strangers.


2 references to ServiceName
Microsoft.PowerShell.Commands.Management (2)
commands\management\Service.cs (2)
587
selectionMode = SelectionMode.
ServiceName
;
782
selectionMode = SelectionMode.
ServiceName
;


 PLEASE MODIFY THE ORIGINAL SOURCE IN THE 'https://github.com/istio/istio' REPO source_repo: https://github.com/istio/istio title: install-cni description: Install and configure Istio CNI plugin on a node, detect and repair pod which is broken by race condition. generator: pkg-collateral-docs number_of_entries: 8 max_toc_level: 2 remove_toc_prefix: 'install-cni ' ---
Install and configure Istio CNI plugin on a node, detect and repair pod which is broken by race condition.
install-cni [flags]
| Flags | Description |
|---|---|
--chained-cni-plugin |
Whether to install CNI plugin as a chained or standalone |
--cni-conf-name <string> |
Name of the CNI configuration file (default ``) |
--cni-enable-reinstall |
Whether to reinstall CNI configuration and binary files |
--cni-net-dir <string> |
Directory on the host where CNI network plugins are installed (default `/etc/cni/net.d`) |
--cni-network-config <string> |
CNI configuration template as a string (default ``) |
--cni-network-config-file <string> |
CNI config template as a file (default ``) |
--ctrlz_address <string> |
The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`) |
--ctrlz_port <uint16> |
The IP port to use for the ControlZ introspection facility (default `9876`) |
--kube-ca-file <string> |
CA file for kubeconfig. Defaults to the same as install-cni pod (default ``) |
--kubecfg-file-name <string> |
Name of the kubeconfig file which CNI plugin will use when interacting with API server (default `ZZZ-istio-cni-kubeconfig`) |
--kubeconfig-mode <int> |
File mode of the kubeconfig file (default `384`) |
--log-level <string> |
Fallback value for log level in CNI config file, if not specified in helm template (default `warn`) |
--log-uds-address <string> |
The UDS server address which CNI plugin will copy log ouptut to (default `/var/run/istio-cni/log.sock`) |
--log_as_json |
Whether to format output as JSON or in plain console-friendly format |
--log_caller <string> |
Comma-separated list of scopes for which to include caller information, scopes can be any of [all, cni, default, install, klog, repair] (default ``) |
--log_output_level <string> |
Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`) |
--log_rotate <string> |
The path for the optional rotating log file (default ``) |
--log_rotate_max_age <int> |
The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`) |
--log_rotate_max_backups <int> |
The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`) |
--log_rotate_max_size <int> |
The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`) |
--log_stacktrace_level <string> |
Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`) |
--log_target <stringArray> |
The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`) |
--monitoring-port <int> |
HTTP port to serve prometheus metrics (default `15014`) |
--mounted-cni-net-dir <string> |
Directory on the container where CNI networks are installed (default `/host/etc/cni/net.d`) |
--repair-broken-pod-label-key <string> |
The key portion of the label which will be set by the ace repair if label pods is true (default `cni.istio.io/uninitialized`) |
--repair-broken-pod-label-value <string> |
The value portion of the label which will be set by the race repair if label pods is true (default `true`) |
--repair-delete-pods |
Controller will delete pods when detecting pod broken by race condition |
--repair-enabled |
Whether to enable race condition repair or not |
--repair-field-selectors <string> |
A set of field selectors in label=value format that will be added to the pod list filters (default ``) |
--repair-init-container-exit-code <int> |
Expected exit code for the init container when crash-looping because of CNI misconfiguration (default `126`) |
--repair-init-container-name <string> |
The name of the istio init container (will crash-loop if CNI is not configured for the pod) (default `istio-validation`) |
--repair-init-container-termination-message <string> |
The expected termination message for the init container when crash-looping because of CNI misconfiguration (default ``) |
--repair-label-pods |
Controller will label pods when detecting pod broken by race condition |
--repair-label-selectors <string> |
A set of label selectors in label=value format that will be added to the pod list filters (default ``) |
--repair-node-name <string> |
The name of the managed node (will manage all nodes if unset) (default ``) |
--repair-run-as-daemon |
Controller will run in a loop |
--repair-sidecar-annotation <string> |
An annotation key that indicates this pod contains an istio sidecar. All pods without this annotation will be ignored.The value of the annotation is ignored. (default `sidecar.istio.io/status`) |
--skip-cni-binaries <istio-cni> |
Binaries that should not be installed. Currently Istio only installs one binary istio-cni (default `[]`) |
--skip-tls-verify |
Whether to use insecure TLS in kubeconfig file |
--update-cni-binaries |
Whether to refresh existing binaries when installing CNI |
Generate the autocompletion script for install-cni for the specified shell. See each sub-command's help for details on how to use the generated script.
| Flags | Description |
|---|---|
--ctrlz_address <string> |
The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`) |
--ctrlz_port <uint16> |
The IP port to use for the ControlZ introspection facility (default `9876`) |
--log_as_json |
Whether to format output as JSON or in plain console-friendly format |
--log_caller <string> |
Comma-separated list of scopes for which to include caller information, scopes can be any of [all, cni, default, install, klog, repair] (default ``) |
--log_output_level <string> |
Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`) |
--log_rotate <string> |
The path for the optional rotating log file (default ``) |
--log_rotate_max_age <int> |
The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`) |
--log_rotate_max_backups <int> |
The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`) |
--log_rotate_max_size <int> |
The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`) |
--log_stacktrace_level <string> |
Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`) |
--log_target <stringArray> |
The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`) |
Generate the autocompletion script for the bash shell.
This script depends on the 'bash-completion' package. If it is not installed already, you can install it via your OS's package manager.
To load completions in your current shell session: $ source <(install-cni completion bash)
To load completions for every new session, execute once: Linux: $ install-cni completion bash > /etc/bash_completion.d/install-cni MacOS: $ install-cni completion bash > /usr/local/etc/bash_completion.d/install-cni
You will need to start a new shell for this setup to take effect.
install-cni completion bash
| Flags | Description |
|---|---|
--ctrlz_address <string> |
The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`) |
--ctrlz_port <uint16> |
The IP port to use for the ControlZ introspection facility (default `9876`) |
--log_as_json |
Whether to format output as JSON or in plain console-friendly format |
--log_caller <string> |
Comma-separated list of scopes for which to include caller information, scopes can be any of [all, cni, default, install, klog, repair] (default ``) |
--log_output_level <string> |
Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`) |
--log_rotate <string> |
The path for the optional rotating log file (default ``) |
--log_rotate_max_age <int> |
The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`) |
--log_rotate_max_backups <int> |
The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`) |
--log_rotate_max_size <int> |
The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`) |
--log_stacktrace_level <string> |
Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`) |
--log_target <stringArray> |
The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`) |
--no-descriptions |
disable completion descriptions |
Generate the autocompletion script for the fish shell.
To load completions in your current shell session: $ install-cni completion fish | source
To load completions for every new session, execute once: $ install-cni completion fish > ~/.config/fish/completions/install-cni.fish
You will need to start a new shell for this setup to take effect.
install-cni completion fish [flags]
| Flags | Description |
|---|---|
--ctrlz_address <string> |
The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`) |
--ctrlz_port <uint16> |
The IP port to use for the ControlZ introspection facility (default `9876`) |
--log_as_json |
Whether to format output as JSON or in plain console-friendly format |
--log_caller <string> |
Comma-separated list of scopes for which to include caller information, scopes can be any of [all, cni, default, install, klog, repair] (default ``) |
--log_output_level <string> |
Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`) |
--log_rotate <string> |
The path for the optional rotating log file (default ``) |
--log_rotate_max_age <int> |
The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`) |
--log_rotate_max_backups <int> |
The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`) |
--log_rotate_max_size <int> |
The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`) |
--log_stacktrace_level <string> |
Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`) |
--log_target <stringArray> |
The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`) |
--no-descriptions |
disable completion descriptions |
Generate the autocompletion script for powershell.
To load completions in your current shell session: PS C:\> install-cni completion powershell | Out-String | Invoke-Expression
To load completions for every new session, add the output of the above command to your powershell profile.
install-cni completion powershell [flags]
| Flags | Description |
|---|---|
--ctrlz_address <string> |
The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`) |
--ctrlz_port <uint16> |
The IP port to use for the ControlZ introspection facility (default `9876`) |
--log_as_json |
Whether to format output as JSON or in plain console-friendly format |
--log_caller <string> |
Comma-separated list of scopes for which to include caller information, scopes can be any of [all, cni, default, install, klog, repair] (default ``) |
--log_output_level <string> |
Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`) |
--log_rotate <string> |
The path for the optional rotating log file (default ``) |
--log_rotate_max_age <int> |
The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`) |
--log_rotate_max_backups <int> |
The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`) |
--log_rotate_max_size <int> |
The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`) |
--log_stacktrace_level <string> |
Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`) |
--log_target <stringArray> |
The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`) |
--no-descriptions |
disable completion descriptions |
Generate the autocompletion script for the zsh shell.
If shell completion is not already enabled in your environment you will need to enable it. You can execute the following once:
$ echo "autoload -U compinit; compinit" >> ~/.zshrc
To load completions for every new session, execute once: # Linux: $ install-cni completion zsh > "${fpath[1]}/_install-cni" # macOS: $ install-cni completion zsh > /usr/local/share/zsh/site-functions/_install-cni
You will need to start a new shell for this setup to take effect.
install-cni completion zsh [flags]
| Flags | Description |
|---|---|
--ctrlz_address <string> |
The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`) |
--ctrlz_port <uint16> |
The IP port to use for the ControlZ introspection facility (default `9876`) |
--log_as_json |
Whether to format output as JSON or in plain console-friendly format |
--log_caller <string> |
Comma-separated list of scopes for which to include caller information, scopes can be any of [all, cni, default, install, klog, repair] (default ``) |
--log_output_level <string> |
Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`) |
--log_rotate <string> |
The path for the optional rotating log file (default ``) |
--log_rotate_max_age <int> |
The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`) |
--log_rotate_max_backups <int> |
The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`) |
--log_rotate_max_size <int> |
The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`) |
--log_stacktrace_level <string> |
Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`) |
--log_target <stringArray> |
The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`) |
--no-descriptions |
disable completion descriptions |
Prints out build version information
install-cni version [flags]
| Flags | Shorthand | Description |
|---|---|---|
--ctrlz_address <string> |
The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`) | |
--ctrlz_port <uint16> |
The IP port to use for the ControlZ introspection facility (default `9876`) | |
--log_as_json |
Whether to format output as JSON or in plain console-friendly format | |
--log_caller <string> |
Comma-separated list of scopes for which to include caller information, scopes can be any of [all, cni, default, install, klog, repair] (default ``) | |
--log_output_level <string> |
Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`) | |
--log_rotate <string> |
The path for the optional rotating log file (default ``) | |
--log_rotate_max_age <int> |
The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`) | |
--log_rotate_max_backups <int> |
The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`) | |
--log_rotate_max_size <int> |
The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`) | |
--log_stacktrace_level <string> |
Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, cni, default, install, klog, repair] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`) | |
--log_target <stringArray> |
The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`) | |
--output <string> |
-o |
One of 'yaml' or 'json'. (default ``) |
--short |
-s |
Use --short=false to generate full version information |
install-cni
command. Please use with caution as these environment variables are experimental and can change anytime.
| Variable Name | Type | Default Value | Description |
|---|---|---|---|
CHAINED_CNI_PLUGIN |
Boolean | true |
Whether to install CNI plugin as a chained or standalone |
CNI_CONF_NAME |
String |
|
Name of the CNI configuration file |
CNI_ENABLE_REINSTALL |
Boolean | true |
Whether to reinstall CNI configuration and binary files |
CNI_NETWORK_CONFIG |
String |
|
CNI configuration template as a string |
CNI_NETWORK_CONFIG_FILE |
String |
|
CNI config template as a file |
CNI_NET_DIR |
String | /etc/cni/net.d |
Directory on the host where CNI network plugins are installed |
KUBECFG_FILE_NAME |
String | ZZZ-istio-cni-kubeconfig |
Name of the kubeconfig file which CNI plugin will use when interacting with API server |
KUBECONFIG_MODE |
Integer | 384 |
File mode of the kubeconfig file |
KUBE_CA_FILE |
String |
|
CA file for kubeconfig. Defaults to the same as install-cni pod |
LOG_LEVEL |
String | warn |
Fallback value for log level in CNI config file, if not specified in helm template |
LOG_UDS_ADDRESS |
String | /var/run/istio-cni/log.sock |
The UDS server address which CNI plugin will copy log ouptut to |
MONITORING_PORT |
Integer | 15014 |
HTTP port to serve prometheus metrics |
MOUNTED_CNI_NET_DIR |
String | /host/etc/cni/net.d |
Directory on the container where CNI networks are installed |
REPAIR_BROKEN_POD_LABEL_KEY |
String | cni.istio.io/uninitialized |
The key portion of the label which will be set by the ace repair if label pods is true |
REPAIR_BROKEN_POD_LABEL_VALUE |
String | true |
The value portion of the label which will be set by the race repair if label pods is true |
REPAIR_DELETE_PODS |
Boolean | false |
Controller will delete pods when detecting pod broken by race condition |
REPAIR_ENABLED |
Boolean | true |
Whether to enable race condition repair or not |
REPAIR_FIELD_SELECTORS |
String |
|
A set of field selectors in label=value format that will be added to the pod list filters |
REPAIR_INIT_CONTAINER_EXIT_CODE |
Integer | 126 |
Expected exit code for the init container when crash-looping because of CNI misconfiguration |
REPAIR_INIT_CONTAINER_NAME |
String | istio-validation |
The name of the istio init container (will crash-loop if CNI is not configured for the pod) |
REPAIR_INIT_CONTAINER_TERMINATION_MESSAGE |
String |
|
The expected termination message for the init container when crash-looping because of CNI misconfiguration |
REPAIR_LABEL_PODS |
Boolean | false |
Controller will label pods when detecting pod broken by race condition |
REPAIR_LABEL_SELECTORS |
String |
|
A set of label selectors in label=value format that will be added to the pod list filters |
REPAIR_NODE_NAME |
String |
|
The name of the managed node (will manage all nodes if unset) |
REPAIR_RUN_AS_DAEMON |
Boolean | false |
Controller will run in a loop |
REPAIR_SIDECAR_ANNOTATION |
String | sidecar.istio.io/status |
An annotation key that indicates this pod contains an istio sidecar. All pods without this annotation will be ignored.The value of the annotation is ignored. |
SKIP_CNI_BINARIES |
String |
|
Binaries that should not be installed. Currently Istio only installs one binary `istio-cni` |
SKIP_TLS_VERIFY |
Boolean | false |
Whether to use insecure TLS in kubeconfig file |
UPDATE_CNI_BINARIES |
Boolean | true |
Whether to refresh existing binaries when installing CNI |
| Metric Name | Type | Description |
|---|---|---|
istio_build | LastValue | Istio component build info |
istio_cni_install_ready | LastValue | Whether the CNI plugin installation is ready or not |
istio_cni_installs_total | Sum | Total number of CNI plugins installed by the Istio CNI installer |
istio_cni_repair_pods_repaired_total | Sum | Total number of pods repaired by repair controller |


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--- title: "Tennessee school funding sources" date: 2016-03-03 12:30:00 -0400 layout: post related: embed_source: "/charts/normalized-barchart-school-district-revenue/" description: Normalized bar chart looks at eight largest school systems in Tennessee. ---


vollebak's 'indestructible' puffer jacket is designed to outlive its owner
by bryan shimvollebak has updated its list of innovative outdoor clothing — including the blue morpho jacket and the black squid jacket — with a heavy-weight ‘indestructible puffer jacket’. made out of dyneema, the world’s strongest fiber, the the puffer jacket is considered to be fifteen times stronger than steel. dyneema is most commonly used for heavy duty jobs, such as tethering satellites from space or mooring giant container ships. unlike other puffer jackets on the market, the ‘indestructible’ coat can also serve as a protective armor, as it endures extreme damage tests, such as knife slashing and tearing.
in the coldest place on earth, this is the strongest jacket. vollebak takes advantage of the material’s temperature sensitivity — the colder it gets, the stronger the jacket becomes. especially during extreme winter conditions, the jacket has proven to gain 5-10% strength when the temperature drops past -50C.
‘most puffer jackets are built to be as light as possible, so the outsides are typically made from super lightweight polyester and nylon,’ explains vollebak co-founder, steve tidal. ‘the trade-off for this weight saving is that they are incredibly easy to tear and snag. and once you have a rip, or the seams have started to go, or the tiny spines of down have poked their way through the lightweight outer layer, it’s simply an escape hatch for the feathers inside, and the jackets destroy themselves from the inside out.’
the indestructible puffer jacket is designed to outlive the owner and be in good enough condition to pass down generations. besides the ultra-durable fabric that integrates dyneema, the jacket also features military-grade belt tape, zippers, elasticated drawcord adjusters and other details that will last for years.
project info:
product: indestructible puffer jacket
material: dyneema
company: vollebak
price: £795 / €895 / $995
available color edition: black


Thierry Henry aims to make big Impact after heading back to MLS
Arsenal legend Thierry Henry has been appointed as head coach of Major League Soccer club Montreal Impact.
The former Arsenal striker has signed a two-year contract with the option of a further season, following an unsuccessful stint in charge of Monaco, which ended in January.
Henry finished his playing career in MLS, scoring 51 goals in 122 appearances for the New York Red Bulls.
“It’s an honour to become head coach of the Montreal Impact and return to MLS,” Henry told the club’s official website.
“It’s a league that I know well (and) where I had a great time.
“Being in Quebec, in Montreal, which has a huge multicultural heritage, is something extraordinary. I have always had an eye on this club and now I am there.”
Sports director Olivier Renard added: “We are very happy to have Thierry join us.
“Young and dynamic, he is very familiar with MLS and meets the criteria we set.
“This appointment, two months before the resumption in January, will allow us to have the time to build the team with the one who will pilot it.”


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Food, drink, and prizes are all possible thanks to these great organizations.
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{% load static %}
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/*
* Copyright (c) 2015, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @flow
*
*/
'use strict';
type Visitor = (path: NodePath) => any;
import recast from 'recast';
/**
* A helper function that doesn't traverse into nested blocks / statements by
* default.
*/
export function traverseShallow(
ast: ASTNode,
visitors: ({[key: string]: Visitor})
): void {
recast.visit(ast, {...defaultVisitors, ...visitors});
}
const ignore = () => false;
const defaultVisitors = {
visitFunctionDeclaration: ignore,
visitFunctionExpression: ignore,
visitClassDeclaration: ignore,
visitClassExpression: ignore,
visitIfStatement: ignore,
visitWithStatement: ignore,
visitSwitchStatement: ignore,
visitWhileStatement: ignore,
visitDoWhileStatement: ignore,
visitForStatement: ignore,
visitForInStatement: ignore,
visitForOfStatement: ignore,
visitExportDeclaration: ignore,
visitExportNamedDeclaration: ignore,
visitExportDefaultDeclaration: ignore,
visitConditionalExpression: ignore,
};
|


CREEPSHOW A film review by David Wilcock Copyright 1997 David Wilcock
DIRECTED BY GEORGE A. ROMERO SCREENPLAY BY STEPHEN KING
A UNITED ARTISTS RELEASE
The two masters of horror, George A. Romero and Stephen King, join toghther to what should be a horror fans dream. However, well not really acheiving a high level of greatness, this film is still just enough fun to past the time. The film is done as a comic book (the comic called 'Creepshow') and takes five of the animated stories and turns them into real life. The first one, 'Fathers Day' is not very good. It involves some dead guy rising from his grave, searching for a cake which he never got. (Instead, he got the rather pleasent gift of a marble ash tray smashing into his tray) Of course, the person who smashed the ash tray into his head meets a sticky end. The second story stars Stephen King, as an unlucky bumpkin who discovers a meteror that turns everything into vegetation (including King) Now, although King can write (so some people say) he most defefently CAN'T act (and direct, as shown with MAXIMUM OVERDRIVE) And anyway, this segment just isn't very good.  Nielson plays a jealous man who buries his ex-wife and her new boyfriend (Danson) into the sand to drown. So he sitting in his house, looking rather smug, and should raise from the dead, looking rather wet (and some great makeup from Tom Savini)? Yes, thats right, Danson and his girlfriend. And of course, they chuck Nielson into the sand to drown. I found this segment bizzarely watchable, as Romero keeps the tension up when Danson and friend enter the house. (Nielson has lots of cameras in his house, and we keep seeing glimpes of the ghosts on the screens, until they finally pop out.) However, the last two segments are the best. The fourth segment, 'The Crate' is great. Under the stairs of a college is a big crate, with a monster living it. A college professor has an annoying wife, and guess what he does to her...I found this segment great, and it also has the best comedy. Then theres the last segment. I can't say much about this one, as it would give it all away, but it involves A LOT of cockroaches. And theres a really sick sequence at the end.......
So, basically with Creepshow, the first two segments are pretty awful, but it picks up from segment three. The actings fine, and so is the direction. Overall, a good horror movie to watch late at night.
RATING: *** out of ******
=============================== DAVID WILCOCK<EMAIL_ADDRESS>The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


RC2 is a symmetric encryption algorithm with variable key length. It was developed by Ron Rivest (RC stands for Ron‚s Code or Rivest Cipher). RC2 is a 64-bit block cipher. Its speed does not depend on the key length. The algorithm itself has never been published officially.
In CrypTool, RC2 is used in CBC mode with zero initialization vector and PKCS#7 padding.
The key is entered in the Key entry dialog.
CrypTool contains a tool which performs a brute-force attack on the RC2 encryption algorithm.


{{define "content"}}
Free software to manage and synchronize GIT repositories between different platforms.
This software is licensed under GNU GPL version 3. Source code is available on GitHub.
Read specification for more info.


We left Calabria and sailed east to the U.S. Virgin
Islands. We met up with another boat "Windswept", who has
a boy on board and we had spent time with them in the Bahamas
last year. It was good to catch up on things with them and
Derek enjoyed having a Minecraft fest with Toby off "Windswept".
We anchored in the main town of Charlotte Amalie in St. Thomas
and were able to watch several cruise ships come in here almost
every morning and leave every evening. There are lots of
tourist stores here and since it is duty free it is the main
cruise ship shopping stop for trinkets and do-dads for the
cruise ship visitors. It was fun to watch them come in and
out, and watch the very white and sometimes very burnt tourists
wander about.
While in St. Thomas we did our fair share of shopping, but ours
was at marine parts stores and the grocery store. To
get to the non-tourist shopping areas where prices were cheaper
we rode the Safari bus - which is actually just a truck with a
modified bed and benches and a roof. It is only $2
per person for a 30 minute ride to almost any store you need.
We did some sightseeing and took a hike up the 99 steps
(actually 103) that lead to Blackbeard's castle. They
wanted $14 each to see the castle so instead we decided to do
more stairs. We went down 120, then across the valley, and
then up 125 and then down another 122, before heading back to
the boat. We were tuckered out by then. We did see
the same hotel we stayed at 5 years ago when we charted a
sailboat out of the BVIs.
There are lots of boats here, and lots of toys, but the coolest
toy was this guy with water jet boots. He would soar at
least 30 feet into the air, and then move around. He would
dive into the water from a height of about 10 feet and like a
porpoise would shoot out again straight up into the air.
It was really fun to watch.
Of course we had to do a little more engine work, as our new
starter arrived while in St. Thomas, and for once the job was
fairly simple and straightforward - and surprise - surprise,
everything worked first time out. We must be losing our
touch.
After St. Thomas, we headed 37 miles south to the island of St.
Croix. St. Croix isn't on the usual cruiser stop because
it is a 70 mile round trip out of the way place. So of
course, we had to go. The island was a Danish
military presence at one time, and the Danish influence was
prominent in the architecture which made the town of
Christenstead very pretty, and yellow painted buildings
everywhere.
We went out to Buck Island, which is a national park. At
one time it was rated on of the 10 best beaches in the world by
National Geographic. It was a nice beach, and the sand was
fine and soft. We snorkeled in the area, and saw a couple
of squid, which was first for us. A lot of coral in the
area was badly damaged by a hurricane in the past, and it is
making a slow comeback.
After St. Croix, we sailed another 35 miles to St. John.
We are in a nice calm anchorage here, and went snorkeling today
and saw two Hawksbill Sea turtles. They were not afraid of
us at all, and it was really neat to glide around in the water
next to them.
We will visit some more places here on St. John, then onto the
British Virgin Islands - God save the Queen!
04/12/2013 - St. Thomas, St. Croix
Three cruise ships at dock by the anchorage |
A typical Safari bus |
At the top of the 99 steps looking at the
anchorage |
Can you say stonework? |
Halfway up - or is it down the steps |
I think we are being followed? |
Really cool jet boots |
Never get tired of that blue water and skies |
Old starter on right, new on left. |
Old Danish fort. |
Another yellow building |
A really pretty yellow building |
Now the government house, used to be a
mansion |
Anchorage at Buck Island |
Endangered Hawksbill turtle |
|


Publications using Enzo |
|
Refereed Publications and conference proceedings Click here for a listing of publications in refereed journals or conference proceedings which include research done using Enzo. The list of papers on this page is not necessarily complete or up-to-date. Search astro-ph or the NASA ADS database for any of the following authors to get a list of likely papers: Tom Abel, Greg Bryan, Tridivesh Jena, Alexei Kritsuk, Wen-Chink Lin, Patrick Motl, Michael Norman, Brian O'Shea, Alex Razoumov. If you have written any papers using Enzo and would like to have your paper added to this list, please email Brian O'Shea at bwoshea (AT) lanl.gov. |
|
Popular Articles |
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Press Releases |
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Images |
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TV Shows |


Queen is beyond reproach, distinct from royal family - UK PM Boris Johnson | IOL News
London - Queen Elizabeth is beyond reproach but there is a distinction between the monarchy and the rest of the royal family, Prime Minister Boris Johnson said on Friday when asked if the monarchy was beyond reproach after the scandal involving Prince Andrew.
"The monarchy is the queen and in my view she is beyond reproach - there is a distinction between the monarchy and the royal family and everybody will readily appreciate that," Johnson told reporters.
Andrew, Elizabeth's second son, stepped down from royal duties last week saying the controversy surrounding his "ill-judged" association with late U.S. financier Jeffrey Epstein had caused major disruption to the royal family's work.
As the story dominated British news for a week, overshadowing campaigning for the Dec. 12 election, there has been widespread criticism of Andrew and demands he should answer questions from U.S. authorities about Epstein.


Nasarawa first lady tongue-tied as she reads speech, Twitter user mocks her for it (video)
- First lady of Nasarawa state Hajiya Salifat has been made fun of on social media
- The first lady was mocked for being unable to read a speech at an event articulately
- A Nigerian man identified simply as Nwabulibu shared a video of Salifat reading the speech
Wife of Governor Abdullahi Sule of Nasarawa state, Hajiya Salifat, has been mocked on social media by Nigerians who were disappointed by her performance at an event that took place in the state.
In a video, the first lady of Nasarawa was seen reading a speech at the event. At the podium, it looked and sounded like she had difficulty reading the words on her written speech.
The video of the governor's wife reading her speech with difficulty has made rounds on social media.
PAY ATTENTION: Read best news on Nigeria's #1 news app
A Twitter user identified simply as Nwabulibu took to his page to share the video to mock the governor's wife. Nwabulibu asked his followers and friends to listen to the way she read the speech.
Actress Maryam Charles blows hot after falling victim to online hackers
PAY ATTENTION: Do you have news to share? Contact Legit.ng instantly
Governor Abdullahi Sule has two beautiful wives, Hajiya Salifat and Hajiya Farida. As the first wife, the governor made Hajiya Salifat his first lady.
READ ALSO: NAIJ.com upgrades to Legit.ng: a letter from our Editor-in-Chief Bayo Olupohunda
Meanwhile, Legit.ng had earlier reported that Congolese citizens based in France humiliated one of their governors while he was on a visit to France. Governor Gentiny Ngobila Mbaka of Kinshasa city was attacked by some of the citizens based in the country after he went on a shopping spree in Paris.
NAIJ.com (naija.ng) -> Legit.ng We have upgraded to serve you better
Kogi election: Kogi deputy governor reacts to APC victory - on Legit TV


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Get Angus Logo Images. Angus logo illustrations & vectors. Here you can explore hq angus logo transparent illustrations, icons and clipart with filter setting like size, type, color etc.
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the
giVing
tree
By Shel Silverstein
Once there was a tree...
And she loved a little boy
And every day the boy would come
And he would gather her leaves
And make them into crowns
And play king of the forest
He would climb up her trunk
and swing from her branches
and eat apples.
And they would play hide and go seek
And when he was tired,
he would sleep in her shade
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
And the boy loved the tree...
i
i
i
i
i
i
i
i
i
i
...very much.
And the tree was happy.
But time went by.
And the boy grew older.
j
j
j
j
j
j
j
j
j
j
j
j
j
j
j
j
j
j
j
j
And the tree was often alone.
 Can you give me some money?
I am sorry, but I have no money. I have only leaves and apples. Take my apples, Boy, and sell them in the city. Then you will have money and be happy.
And so the boy climbed up the tree
and gathered her apples
and carried them away.
and the tree was happy...
But the boy stayed away for a long time...
And the tree was sad.
And then one day the boy came back
And the tree shook with joy
Come, Boy, climb up my trunk and swing from my branches and be happy.
I am too busy to climb trees. I want a house to keep me warm.  Can you give me a house?
I have no house. The forest is my house, but you may cutt off my branches and build a house. Then you will be happy.
And so the boy cut off her branches and carried them away to build his house.
And the tree was happy...
But the boy stayed away for a long time.
And when he came back, the tree was so happy she could hardly speak.
Come, Boy, come and play.
I am too old and sad to play. I want a boat that will take me far away from here. Can you give me a boat?
Cut down my trunk and make a boat. Then you can sail away and be happy.
And so the boy cut down her trunk
And the tree was happy...
but not really.
And after a long time the boy came back again.
I am sorry, Boy, but I have nothing left to give you, my apples are gone.
My teeth are too weak for apples.
My branches are gone, you cannot swing on them.
I am too old to swing on branches.
My trunk is gone, you cannot climb.
I am too tired to climb.
I am sorry, I wish that I could give you something, but I have nothing left. I am just an old stump. I am sorry.
I don't need very much now, just a quiet place to sit and rest. I am very tired.
Well, an old stump is good for sitting and resting. Come, Boy, sit
down and rest.
And the boy did.
And the tree was happy.
The End


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This command-line tool computes the appropriate configuro options from the
set of options passed from the IAR Workbench (for ex. target/platform
from compile options). With these options, the xdc.tools.configuro tool
is executed to compute the set of libraries, command-line flags and
the other artifacts needed to build the application in IAR Workbench.
xs iar.tools.configuro -c "<codegen_dir>" --cc "<compiler>"
--device "<device_name>" --cfgArgs "<cfg_script_args>"
--compileOptions "<compiler_options>" --linkOptions "<link_options>"
--profile "<profile>" infile.cfg
| config Main.usage // module-wide |
|
usage help message
Main.usage = String[] [
'[-o outdir (optional)]',
'[-c codegen_dir]',
'[--cc compiler_name_string]',
'[--device device_name]',
'[--cfgArgs args_string]',
'[--compileOptions compile_options_string]',
'[--linkOptions linker_options_string]',
'[--profile profile]',
'[--projFile project_file (optional)]',
'infile.cfg (optional)'
];
| Main.exec() // module-wide |
|
xs script entry point
Main.exec(Any args) returns Any
DETAILS
This function is called from within other XDCscript scripts and
performs the same operations as
main() except that,
rather than output the return value of
inst.run(), this value
is simply returned to the caller of
exec().
| Main.main() // module-wide |
|
xs shell entry point
Main.main(Any args) returns Any
DETAILS
This function
- creates a no-arg instance, inst, of the module inheriting
this interface;
- parses command line arguments placing all options in the config
params of the inheriting module;
- creates a xdc.tools.Cmdr instance, cmdr;
- calls inst.run() with the cmdr and any command
line command line arguments not parsed as options; and
- outputs the return result from inst.run()
| Instance Config Parameters |
|
var params = new Main.Params;
// Instance config-params object
params.cfgArgs = String "";
// Optional arguments passed to configuration script
params.compileOptions = String null;
// Compile options used for building C files
params.device = String null;
// The name of the device
params.linkOptions = String null;
// Linker options used for linking libraries
params.output = String "";
// Pathname of the output directory
params.profile = String "";
// Build profile
params.projFile = String "";
// IAR Embedded project file
params.rootDir = String null;
// Root directory of the code generation tools
| config Main.Params.cfgArgs // instance |
|
Optional arguments passed to configuration script
var params = new Main.Params;
...
params.cfgArgs = String "";
DETAILS
This option lets the user pass values into the configuration script
from the command line. The argument is an expression in JavaScript
syntax. Its value is available in the configuration script under the
name Program.build.cfgArgs.
The JavaScript expression is evaluated in the configuration domain
after the platform package is imported, immediately before calling
the user's configuration script.
This string has the same effect as the
cfgArgs string in
xdc.bld.Executable.Attrs.
You can pass multiple values to configuration scripts using the
syntax of a JavaScript Object constant:
xs xdc.tools.configuro --cfgArgs '{foo:"hello", bar:2}' ... app.cfg
The configuration script can read the various fields as, e.g.:
if (Program.build.cfgArgs.foo == "hello") {
:
}
NOTE
Different command line shells, such as UNIX bash verses Windows
cmd.exe, interpret quotes on the command line very differently.
As a result, the syntax necessary to pass a string such as "hello"
to configuro can vary depending on the shell you use.
For most UNIX shells, it is possible to use single quotes around the
use of double quotes as in the example above. However, since Windows
cmd.exe does not treat the single quote as a special character, it
is necessary to use a backslash, '\', to ensure that the double quote
characters are passed to the configuro tool.
Windows cmd.exe:
xs xdc.tools.configuro --cfgArgs "{foo:\"hello\", bar:2}" ...
UNIX bash, ksh, csh, ...:
xs xdc.tools.configuro --cfgArgs '{foo:"hello", bar:2}' ...
SEE
| config Main.Params.compileOptions // instance |
|
Compile options used for building C files
var params = new Main.Params;
...
params.compileOptions = String null;
DETAILS
The compiler options are required to find the target and platform
options for xdc.tools.configuro.
| config Main.Params.device // instance |
|
The name of the device
var params = new Main.Params;
...
params.device = String null;
DETAILS
The device name has to be passed to the xdc.tools.configuro tool.
| config Main.Params.linkOptions // instance |
|
Linker options used for linking libraries
var params = new Main.Params;
...
params.linkOptions = String null;
DETAILS
The linker options are required to pull in the correct libraries
during link.
| config Main.Params.output // instance |
|
Pathname of the output directory
var params = new Main.Params;
...
params.output = String "";
DETAILS
A directory containing the generated build artifacts, in particular
the compiler.defs and linker.cmd files.
The last component of the output directory path must be a valid
ANSI C identifier; i.e., it must consist entirely of alphanumeric or
'_' characters and must not start with a number. So, the names
'0app' and 'app-test' are not valid but '0app/config' and
'app-test/config' are valid.
This is optional parameter. By default, the output directory has the
name configPkg and will be within the {#cfgDir} directory.
| config Main.Params.profile // instance |
|
Build profile
var params = new Main.Params;
...
params.profile = String "";
| config Main.Params.projFile // instance |
|
IAR Embedded project file
var params = new Main.Params;
...
params.projFile = String "";
DETAILS
This file is searched for the RTSC configuration file (.cfg).
| config Main.Params.rootDir // instance |
|
Root directory of the code generation tools
var params = new Main.Params;
...
params.rootDir = String null;
DETAILS
The path to the installation directory of the compiler and linker
for the selected target. The definition of "installation directory"
can vary from compiler to compiler, but is most commonly the
directory that contains a "bin" subdirectory.
| Main.run() // instance |
|
Underlying implementation of the command
DETAILS
Since this method is used to support both command line tools and
other XDCscript scripts, it is important to avoid explicit
termination of the JVM via java.lang.System.exit(); doing so
precludes callers from handling failures.
Implementations should instead call


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Full name: {{country.full_name}}
Capital: {{country.capital}}
ISO: {{country.iso3}}
Currency: {{country.currency}}
Continent: {{country.continent}}
Phone Code: {{country.phone_code}}
Description: {{country.description}}
Population: {{country.population}}
Size: {{country.size}}
Covid cases: {{country.covid19.total_case}}
Covid deaths: {{country.covid19.total_deaths}}
Last updated: {{country.covid19.last_updated | date}}
{{countryName}} is not a country ⛄


hm_val - Light/Dimmer
Attribute
hm_ctrl - Light
Attribute
hm_ctrl - Light + jqui Dialog
Attribute
hm_ctrl - Dimmer + jqui Dialog
Attribute
hm_val - Socket
Attribute
hm_ctrl - Socket
Attribute
hm_val - Shutter
Attribute
hm_ctrl - Shutter + jqui Dialog
Attribute
hm_ctrl - Heizung + jqui Dialog
Attribute
hm_val - Fenster Drehgriff
Attribute
hm_val - Fenster
Attribute
hm_val - Dachfenster
Attribute
hm_val - Türe
Attribute
hm_val - Garage
Attribute


>>
<<
Usr
Pri
JfC
LJ
Phr
Dic
Voc
!:
Help
Primer
Empty Array
An array is empty if it contains no atoms. An empty array has a 0 in its shape.
a =. 0 $ 0 NB. empty list
$a
0
$ '' NB. empty list
0
b =. 2 0 3 $ 'a' NB. empty rank 3 array
$b
2 0 3
Empty arrays have no atoms to display and their display can be confusing if you don't know what to expect. An empty list displays as a blank line. A table with 0 rows displays as 0 lines; a table with 3 rows, but 0 columns, displays as 3 blank lines.
2 $ 5
5 5
1 $ 5
5
0 $ 5 NB. empty list displays as blank line
2 2 $ 5
5 5
5 5
1 2 $ 5
5 5
2 0 $ 5 NB. 2 rows displays 2 lines
0 2 $ 5 NB. 0 rows displays 0 lines
The display of lists and tables with 1 row can look the same, and you have to look at their shape to distinguish them.
a =. 2 $ 5
b =. 1 2 $ 5
a
5 5
b NB. b displays the same as a
5 5
$ a
2
$ b NB. but b has a different shape
1 2
>>
<<
Usr
Pri
JfC
LJ
Phr
Dic
Voc
!:
Help
Primer


This is an OpenLayers 3 sample map page illustrating a variety of vector maps
KML Layer - Counties and Blocks - KML styling
KML Layer - Counties and Blocks - Local Styling
Locally defined features


{% extends "base.html" %} {% block content %}
FE 595 - Financial Systems Technology - Basic Flask Assignment
Click the button below to get started.


Include File: memory/block.hpp
Fully Qualified Name: ::Slate::Memory::Make_Virtual_Functor
Declaration
template <template <typename> typename Functor, typename Type, typename ... Args>
Virtual_Functor<Functor> Make_Virtual_Functor(Args&& ... args);
Abstract
Preconditions
Post Conditions


--- layout: nav_menu_item title: Dropbox Folder Sync date: 2011-11-19 06:25:02.000000000 +05:30 type: nav_menu_item published: true status: publish categories: [] tags: [] meta: _menu_item_type: post_type _menu_item_menu_item_parent: '0' _menu_item_object_id: '488' _menu_item_object: page _menu_item_target: '' _menu_item_classes: a:1:{i:0;s:0:"";} _menu_item_xfn: '' _menu_item_url: '' author: login: satyadeep email<EMAIL_ADDRESS>display_name: Satyadeep first_name: Satyadeep last_name: K excerpt: Sync any folder to Dropbox with a right click ---
Sync (and UnSync) any folder to Dropbox with just a right click!
Authors: Satyadeep and Sowrabh
Download Setup File (For Windows): Version 2.5
Forum Thread Click here
Contents
1 Description
1.1 SYNC
1.2 UNSYNC (De-syncs the folder from dropbox)
2 Minimum System Requirments:
3 Usage:
4 Screenshots
5 Features in detail
5.1 Sync
5.2 Unsync
5.3 Change Dropbox Path
6 Version Log
Description
SYNC
Lets you sync any folder outside dropbox with just a Right-click and Selecting “Sync With Dropbox”. So simple :) .
Moves the original folder to dropbox and creates a symbolic link for the folder using the junction utility(installs automatically with the setup) from Sysinternals. Thus you can access the same folder from two locations.
UNSYNC (De-syncs the folder from dropbox)
Right click a symbolic link folder and select “Unsync with Dropbox”.
Deletes the symbolic link and restores the folder back to its original location.
Minimum System Requirments:
An NTFS partition with Dropbox installed in that partition, works with Windows XP™ (Service Pack 3) and above.
Microsoft .NET framework 4.0 (Online installer or Standalone installer)
Usage:
Run the Installer
Right click any folder and click “Sync with Dropbox”.
The first time you run the application it automatically sets the Dropbox Folder (Or whenever the current dropbox folder setting is corrupt)
If this detection fails prompts you to enter the Dropbox path through interface.
For changing the Dropbox folder setting, go to Start Menu -> Programs -> Dropbox Folder Sync.
Unsync it, if you don’t need it anymore in Dropbox, by again right-clicking (at original path) and selecting “Unsync with Dropbox”.
Screenshots
Features in detail
Sync
Creates a symbolic link to the source folder (the folder on which you right-click) at the same place and moves the source folder to the Dropbox.
Symbolic links are created using the junction utility (installs automatically with the setup) from Sysinternals.
If a folder with the same name already exists in your dropbox, then it asks if it should merge & overwrite.
If you wish not to merge, it moves the folder to dropbox with a modified name.
While syncin’, please ensure that no file in the folder is locked by any process.
Unsync
Deletes the symbolic link.
Moves back the corresponding dropbox folder to its original location.
The target might be in Dropbox, or in any folder inside Dropbox.
Change Dropbox Path
DFS automatically detects the dropbox path at the first usage and whenever the Dropbox path setting is corrupt (for eg. Some path which is not a folder).
If you feel the folder is not the dropbox folder or if you wish to sync the folder with some other folder which is inside Dropbox, Use the “Change” button on the GUI to change this setting.
Version Log
2.5 (Latest) - Lots of improvements and fixes – See Documentation
2.0 – New Feature: Unsync – for unsyncing symlinks pointing into dropbox.
Enhancement: The “copy and remove directory” procedure used previously is replaced with windows api call. – New Feature: Log file of all the actions performed(Syncing, changing settings etc.)
1.2.1 - The interface got better with added icons.
1.2 - New Feature: Right click any folder on the computer and click “Sync with Dropbox.
1.1 - New Feature: “Overwrite folder” added if the folder already exists in Dropbox.
1.0 - Dropbox Folder Sync Released


This checkbox adds the option to delete the EI.CFG file from the "\sources\" folder of the ISO, allowing installation access to all Image Packages.
Slips7ream automatically disables this checkbox if the ISO does not contain this file.


Diving into Astronomy.
Education
| PhD student | Department of Astronomy, University of Tokyo (Supervisor: Noriyuki Matsunaga) | 2018 - present |
| Master | Department of Astronomy, University of Tokyo (Supervisor: Noriyuki Matsunaga) | 2016 - 2018 |
| Bachelor | Department of Astronomy, Beijing Normal Univsersity (Supervisor: Biwei Jiang) | 2012 - 2016 |
Research Interest
Stellar helium abundance and its evolution in galactic archaeology.
Refereed Publication
Jian, M.;Taniguchi, D.; Matsunaga, N.; Kobayashi, N.; Ikeda, Y.; ...; The effect of surface gravity on line-depth ratios in the wavelength range 0.97-1.32 µm.
Monthly Notices of the Royal Astronomical Society 494, 1724J (2020) .
Matsunaga, N.; Taniguchi, D.;
Jian, M.; Ikeda, Y.; Fukue, K.; ...; Identification of Absorption Lines of Heavy Metals in the Wavelength Range 0.97–1.32 μm.
The Astrophysical Journal Supplement Series 246, 10M (2020) .
Deng, D.; Sun, Y.;
Jian, M.; Jiang, B.; Yuan, H.; Intrinsic Color Indices of Early-type Dwarf Stars.
The Astrophysical Journal 459, 208D (2020) .
Jian, M.; Matsunaga, N.; Fukue, K.; The metallicity effect on line-depth ratios in APOGEE H-band spectra.
Monthly Notices of the Royal Astronomical Society 485, 1310J (2019) .
Sun, Mingxu; Jiang, B. W.; Zhao, He; Gao, Jian; Gao, Shuang;
Jian, Mingjie; Yuan, Haibo; The Ultraviolet Extinction in the GALEX Bands.
The Astrophysical Journal 861, 153S (2018) .
Jian, M.; Gao, S.; Zhao, H.; & Jiang, B. W.; Revision of Stellar Intrinsic Colors in the Infrared by Spectroscopic Surveys.
The Astronomical Journal 153, 5 (2017) .
Conference
Reward
2021 Japan Society for the Promotion of Science
Research Fellowship for Young Scientists DC2
Obsrervation
- Proposal 2020A103 and 2020B108 on IRTF
7-10 August, 2020
PI: Mingjie Jian; CoI: Noriyuki Matsunaga, Alan Tokunaga, Naoto Kobayashi, Daisuke Taniguchi, ...
- Proposal 0100.D-0852 on New Technology Telescope, European Southern Observatory
1-5 December, 2017
PI: Noriyuki Matsunaga; CoI: Mingjie Jian, Fukue Kei, Daisuke Taniguchi, Scarlet Saez Elgueta, ...
Research note
MK-cookbook: the READTHEDOCS notebook for my research.
Github project
ir_ldr: a python3 code for measuring the spectral line depth of the APOGEE and WINERED spectra, calculating the line depth ratio (LDR) and finally deriving the effective temperature (T_LDR).
pymoog: a python3 wrapper for running the LTE spectrum synthesis part of the code MOOG.
Astronomical Outreach
Teacher of Astronomical club on Affiliated Middle School of Beijing Jiaotong University (2015.9 - 2016.9)
There is a doctrine well known to philosophers that the moon ceases to exist when no one is looking at it. I will not discuss the doctrine since I have not the least idea what is the meaning of the word existence when used in this connection. At any rate the science of astronomy has not been based on this spasmodic kind of moon. In the scientific world (which has to fulfill functions less vague than merely existing) there is a moon which appeared on the scene before the astronomer; it reflects sunlight when no one sees it; it has mass when no one is measuring the mass; it is distant 240,000 miles from the earth when no one is surveying the distance; and it will eclipse the sun in 1999 even if the human race has succeeded in killing itself off before that date.
-- Eddington, The Nature of the Physical World, 226


You know how it can take weeks of back and forth to insure your phone. Well Pickle Rick revolutionizes this process of insuring your phone by automatically generating a rate for you based on what phone you are accessing the app and its diagnostics. In fact if you care for your phone your monthly premium will decrease.


---
layout: post
title: DWL-520e1 working in Ubuntu
date: '2006-12-01T09:12:00.000-08:00'
author: Rimas Silkaitis
tags:
- "*nix"
modified_time: '2007-04-03T12:11:42.638-07:00'
blogger_id: tag:blogger.com,1999:blog-6201986.post-245030549586184339
blogger_orig_url: http://neovintage.blogspot.com/2006/12/dwl-520e1-working-in-ubuntu.html
---
Theres a lot of info out on web concerning how to get the D-Link DWL-520 E1 working in ubuntu. Unfortunately I could not find one complete source for all of the information to properly get this wireless card working. The wiki article on the Ubuntu site is fairly complete, but it was just missing a few critical details. I'll attempt to walk you through the process I followed of finding the actual error on the system, finding the firmware and finally updating the startup scripts.
My box is a fairly generic setup that doesn't have any cutting edge hardware installed. I proceeded to install ubuntu v6.10 onto this machine with all the relative ease that is ubuntu. Once installed, everything worked except for the wireless lan card, the afore mentioned DWL-520. So.. I started by looking up a breakdown of the wireless cards that would work upon installation. Just my luck, the DWL-520 doesn't work upon installation, but on this doc, I found the link to the wiki article that explained what needed to be done to install it. I then followed the directions starting with the "Prepare the Firmware" section and proceeded to reboot upon completion. Upon the restart, the card still didn't work. Crap.
Now it was time for a little investigation. I did a quick ifconfig at the command line and found that the device wasn't showing up at all. I also found that the device was showing up when examining the devices on the pci bus. So, I did some digging on the web and found that this particular card requires the firmware to be loaded to memory. Unfortunately, the wiki article only goes as far as setting up the /etc/network/interfaces file, but you really need to take it to the next step to actually actively load the firmware.
Heres a break down of the extra steps that are needed to get the DWL-520 to work. This assumes that you followed the directions from the wiki article.
1. Make sure you have orinoco_pci, hermes, and orinoco all blacklisted in /etc/modprobe.d/blacklist
# causes the dlink dwl-520vE1 card not to be recognized properly
# at boottime
blacklist orinoco_pci
blacklist orinoco
blacklist hermes
2. Install hostap-utils.
apt-get install hostap-utils
or
wget http://hostap.epitest.fi/releases/hostap-utils-0.4.7.tar.gz
I actually would recommend the not using apt-get because there is a script that comes with the utils package that makes the setup much easier. Although, if you download the package you have to compile it and install.
3. Move the hostap_fw_load script to /usr/local/sbin, and properly configure for your system.
#!/bin/sh
# Example script for automatically loading firmware images when needed. This
# can be run, e.g., from /etc/pcmcia/wireless.
# Firmware images for the card
# TODO: could try to select correct firmware type automatically
PRI=/etc/firmware/pm010102.hex
STA=/etc/firmware/rf010804.hex
PRISM2_SREC=/usr/sbin/prism2_srec
set -e
if [ -z "$1" ]; then
echo "usage: $0 "
exit 1
fi
IFNAME=$1
DIR=/proc/net/hostap/$IFNAME
if [ ! -d $DIR ]; then
echo "Host AP driver data for device $IFNAME not found in procfs."
exit 1
fi
if grep -q no_pri=1 $DIR/debug; then
# no primary image - load primary in two steps, first without PDA and then
# with full PDA plugging
echo "Downloading primary firmware $PRI"
$PRISM2_SREC -gs $IFNAME $PRI
$PRISM2_SREC -gp $IFNAME $PRI
fi
if grep -q pri_only=1 $DIR/debug; then
echo "Downloading secondary (station) firmware $STA"
$PRISM2_SREC -rp $IFNAME $STA
fi
echo "Card is ready with both PRI and STA firmware images"
Please note the top options, PRI, STA, and PRISM2_SREC. This is the complete script, so if you originally did an apt-get of the hostap-utils, you can copy this and make it an executable file.
4. Tweak the /etc/network/interface file
Add this line to the wlan0 configuration:
pre-up /usr/local/sbin/hostap_fw_load wlan0
It should look something like this now:
auto wlan0
iface wlan0 inet dhcp
pre-up /usr/local/sbin/hostap_fw_load wlan0
wireless_nick DWL-520
fw_primary /etc/firmware/pm010102.hex
fw_secondary /etc/firmware/rf010804.hex
wireless_mode managed
5. Restart your networking
/etc/init.d/networking restart
Now your card should be working and ready to go. You can now go to System -> Administration -> Networking to setup your credentials to attach to a wireless network.


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--- layout: post excerpt_separator: title: "Beard" permalink: /beard/post.html ---
Mike grew chin hair for me to scratch my face on.
I've been rubbing my face on this beard trying to get it to smell like my tuna breath, but I'm not sure if it's working.
In all the hustle and bustle this fall, Mike stopped shaving. At first it was a symptom of our bathroom sink having turned into a kitchen sink. But some friends commented that it looked good and why not grow it out for the winter? Mike has always thought he couldn’t grow a sufficient beard, but figured it was as good a time as any to try. So here we are. Mike with hair on his face.
In practice, this facial fuzz has let Mike get away with shaving less frequently, but it has also been a bit annoying having things get stuck in it. It's probably time to shave after we get back home from holiday travels.