2 writes to Properties
System.Management.Automation (2)
engine\DscResourceInfo.cs (2)
54
this.
Properties
= new ReadOnlyCollection<DscResourcePropertyInfo>(new List<DscResourcePropertyInfo>());
108
this.
Properties
= new ReadOnlyCollection<DscResourcePropertyInfo>(properties);


Client
open class Client: NSObject, URLSessionDataDelegate
A Client handles HTTP requests, cookie management, and logging in to Stack Exchange chat.
-
Undocumented
Declaration
Swift
open class Client: NSObject, URLSessionDataDelegate
-
Pretty self explanatory
Declaration
Swift
open var cookies = [HTTPCookie]()
-
Indicates whether the client is logged in or not.
Declaration
Swift
open var loggedIn = false
-
Errors which can happen while making a request
See moreDeclaration
Swift
public enum RequestError: Error
-
Indicates the duration of a timeout
Declaration
Swift
open var timeoutDuration: TimeInterval = 30
-
Adds cookies.
Declaration
Swift
open func addCookies(_ newCookies: [HTTPCookie], forHost host: String)
Parameters
newCookies
The cookies to add.
host
The host which set the cookies..
-
Checks whether a cookie matches a domain.
Declaration
Swift
open func cookieHost(_ host: String, matchesDomain domain: String) -> Bool
Parameters
host
The host of the cookie.
domain
The domain.
-
Returns the cookie headers for the specified URL.
Declaration
Swift
open func cookieHeaders(forURL url: URL) -> [String:String]
-
Undocumented
Declaration
Swift
open class Client: NSObject, URLSessionDataDelegate
-
Undocumented
Declaration
Swift
open class Client: NSObject, URLSessionDataDelegate
-
Undocumented
Declaration
Swift
open class Client: NSObject, URLSessionDataDelegate
-
Undocumented
Declaration
Swift
open class Client: NSObject, URLSessionDataDelegate
-
Performs an
URLRequest
.Declaration
Swift
open func performRequest(_ request: URLRequest) throws -> (Data, HTTPURLResponse)
Parameters
request
The request to perform.
Return Value
The
Data
andHTTPURLResponse
returned by the request. -
Performs a GET request.
- paramter url: The URL to make the request to.
Declaration
Swift
open func get(_ url: String) throws -> (Data, HTTPURLResponse)
Return Value
The
Data
andHTTPURLResponse
returned by the request. -
Performs a POST request.
Declaration
Swift
open func post(_ url: String, data: Data, contentType: String? = nil) throws -> (Data, HTTPURLResponse)
Parameters
url
The URL to make the request to.
data
The body of the POST request.
Return Value
The
Data
andHTTPURLResponse
returned by the request. -
Performs a POST request.
Declaration
Swift
open func post(_ url: String, _ data: [String:String]) throws -> (Data, HTTPURLResponse)
Parameters
url
The URL to make the request to.
data
The fields to include in the POST request.
Return Value
The
Data
andHTTPURLResponse
returned by the request. -
Performs an URLRequest.
Declaration
Swift
open func performRequest(_ request: URLRequest) throws -> String
Parameters
request
The request to perform.
Return Value
The UTF-8 string returned by the request.
-
Performs a GET request.
- paramter url: The URL to make the request to.
Declaration
Swift
open func get(_ url: String) throws -> String
Return Value
The UTF-8 string returned by the request.
-
Performs a POST request.
Declaration
Swift
open func post(_ url: String, _ fields: [String:String]) throws -> String
Parameters
url
The URL to make the request to.
data
The fields to include in the POST request.
Return Value
The UTF-8 string returned by the request.
-
Performs a POST request.
Declaration
Swift
open func post(_ url: String, data: Data, contentType: String? = nil) throws -> String
Parameters
url
The URL to make the request to.
data
The body of the POST request.
Return Value
The UTF-8 string returned by the request.
-
Parses a JSON string.
Declaration
Swift
open func parseJSON(_ json: String) throws -> Any
-
Initializes a Client.
Declaration
Swift
override public init()
Parameters
host
The chat host to log in to.
-
Errors which can occur while logging in.
See moreDeclaration
Swift
public enum LoginError: Error
-
Logs in to Stack Exchange.
Declaration
Swift
open func login(email: String, password: String) throws


vqa_benchmarking_backend.models.ban.model
¶
Module Contents¶
Classes¶
NOTE: when inheriting from this class, make sure to |
-
class
vqa_benchmarking_backend.models.ban.model.
BANAdapter
(device, vocab: vqa_benchmarking_backend.utils.vocab.Vocabulary, ckpt_file: str = '')¶ Bases:
vqa_benchmarking_backend.datasets.dataset.DatasetModelAdapter
NOTE: when inheriting from this class, make sure to
move the model to the intended device
move the data to the intended device inside the _forward method
-
get_name
(self) → str¶
-
get_output_size
(self) → int¶
-
get_torch_module
(self) → torch.nn.Module¶
-
question_token_ids
(self, question_tokenized: List[str]) → torch.LongTensor¶
-
get_question_embedding
(self, sample: vqa_benchmarking_backend.datasets.dataset.DataSample) → torch.FloatTensor¶
-
get_image_embedding
(self, sample: vqa_benchmarking_backend.datasets.dataset.DataSample) → torch.FloatTensor¶
-
_forward
(self, samples: List[vqa_benchmarking_backend.datasets.dataset.DataSample]) → torch.FloatTensor¶ Overwrite this function to connect a list of samples to your model. IMPORTANT:
Make sure that the outputs are probabilities, not logits!
Make sure that the data samples are using the samples’ question embedding field, if assigned (instead of re-calculating them, they could be modified from feature space methods)
Make sure that the data samples are moved to the intended device here


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Money maker


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Dorcas Litunya
Nairobi, Kenya
Hello! I am Dorcas Litunya, a programmer from Nairobi, Kenya. I am a former student at Kenya High School class of 2017. I am currently a student at Moringa School doing a website development course.
Hobbies and Interests
As a programmer I am interested in a lot of things namely:
- Definitely!Creating websites and applications
- Reading books
- Carrying out research
- Technology and IT related items
- Just to keep fit as a programmer!Swimming
Job experience
- Freelancing (2017-present)I have built my own websites which you can check out <My first website > you can also check out my other website <Angedor>
- Technovation (2016)-I created an android application for Safaricom.
Why programming?
This can only be answered by two illustrastions!!
and


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Class 08: Complete Search V
01-29-2020
“Like the God of go”
The power set of a set is the set of all its subsets. For example:
\[A = \{1, 2, 3\}\] \[P(A) = \{\emptyset, \{1\}, \{2\}, \{3\}, \{1, 2\}, \{2, 3\}, \{1, 3\}, \{1, 2, 3\} \}\]
Here \(P(A)\) represents the power set of the set \(A\). Moreover, we have that \(|P(A)| = 2^{|A|}\).
Extra: In some books, \(P(A)\) is written as \(2^{A}\) (e.g Motousek - Invitation to Discrete Mathematics).
We already know how to generate the power set of \(A = \{1, 2, 3, \dots, n\}\) using bitmasks.
Code
#include <bits/stdc++.h>
using namespace std;
void print (const vector <int>& arr) {
cout << "{";
bool first = true;
for (int elem: arr) {
if (!first) {
cout << ", ";
}
cout << elem;
first = false;
}
cout << "}\n";
}
int main () {
int n = 3;
for (int mask = 0; mask < (1 << n); mask++) {
vector <int> subset;
for (int bit = 0; bit < n; bit++) {
if ((mask >> bit) & 1) {
subset.push_back(bit + 1);
}
}
print(subset);
}
return (0);
}
But, we can also generate it using recursion, but before that, let’s review about passing arguments to a function in C++.
#include <bits/stdc++.h>
using namespace std;
// Here is passed a reference to 'arr' in O(1)
// You CAN read from 'arr', but you CAN NOT modify it
void f1 (const vector <int>& arr) {
}
// Here is passed a reference to 'arr' in O(1)
// You CAN read from 'arr' and you CAN modify it
void f2 (vector <int>& arr) {
}
// Here is passed a copy of 'arr' in O(n)
// You CAN read from 'arr' and you CAN modify it
// BUT, you are modifying a copy of 'arr', not the 'arr' of 'main'
void f3 (vector <int> arr) {
}
int main () {
int n = 10000;
vector <int> arr(n);
for (int i = 0; i < n; i++) {
arr[i] = i;
}
f1(arr);
f2(arr);
f3(arr);
return (0);
}
If we want to generate the power set of \(A = \{1, 2, 3\}\), we can make a function that follows these states:
That is, if we are in the state \((a_1, a_2, \dots a_x) \mid a_1 < a_2 < \dots < a_x\), then we can go to \((a_1, a_2, \dots, a_x, a_y) \mid a_x < a_y \leq n\).
And we can implement it using recursion.
Code
#include <bits/stdc++.h>
using namespace std;
void print (const vector <int>& arr) {
cout << "{";
bool first = true;
for (int elem: arr) {
if (!first) {
cout << ", ";
}
cout << elem;
first = false;
}
cout << "}\n";
}
void backtrack (vector <int>& arr, const int n) {
print(arr);
int ax = 0;
if (!arr.empty()) {
ax = arr.back();
}
for (int ay = ax + 1; ay <= n; ay++) {
// add ay
arr.push_back(ay);
backtrack(arr, n);
// delete ay
arr.pop_back();
}
}
int main () {
int n = 3;
vector <int> subset;
backtrack(subset, n);
}
But, in competitive programming, we usually try to have as few parameters in our functions as possible. Then, we realize that we can implement it in this way (why?).
Code
#include <bits/stdc++.h>
using namespace std;
void print (const vector <int>& arr) {
cout << "{";
bool first = true;
for (int elem: arr) {
if (!first) {
cout << ", ";
}
cout << elem;
first = false;
}
cout << "}\n";
}
// global variables
vector <int> subset;
int n;
void backtrack () {
print(subset);
int ax = 0;
if (!subset.empty()) {
ax = subset.back();
}
for (int ay = ax + 1; ay <= n; ay++) {
// add ay
subset.push_back(ay);
backtrack();
// delete ay
subset.pop_back();
}
}
int main () {
n = 3;
backtrack();
}
Here we have implemented a program to find the power set of \(\{1, 2, 3, \dots, n\}\) in \(O(n 2 ^ n)\). This is a solution using what is known as backtracking
. In general, a backtracking solution has this form:
let state be a global variable
T backtrack (some parameters):
if (state is a terminal state):
Do something with 'state' and return something
for (state' reachable from state):
# do something
previous = state
state = state'
backtrack(some parameters')
# reverse changes
state = previous
A terminal state is a state in which we can not go to other states (or it is not convenient to follow searching).
Problem: You have a knapsack of capacity \(W\) (i.e you can put at most \(W\) kg in this knapsack). Moreover, you have \(n\) items. Each item is describe as a pair \((val_i, w_i)\), where \(val_i\) is the cost of the item and \(w_i\) the weight of it. Find the maximum value you can store in this knapsack using the least possible weight.
\[1 \leq n \leq 16\]
Solution:
Each item can be taken or not, then we can search over all the possibilites (power set) using bitmasks or backtracking.
Code
#include <bits/stdc++.h>
using namespace std;
int n;
int W;
vector <int> val;
vector <int> w;
vector <int> take;
int max_sum_val = 0;
int min_sum_w = 0;
vector <int> ans_items_taken;
void backtrack (int last_taken, int sum_val, int sum_w) {
if (sum_w <= W and (sum_val > max_sum_val or
(sum_val == max_sum_val and sum_w < min_sum_w))) {
max_sum_val = sum_val;
min_sum_w = sum_w;
ans_items_taken = take;
}
for (int i = last_taken + 1; i < n; i++) {
take.push_back(i);
backtrack(i, sum_val + val[i], sum_w + w[i]);
take.pop_back();
}
}
int main () {
n = 3;
W = 10;
// item 1
val.push_back(10);
w.push_back(10);
// item 2
val.push_back(1);
w.push_back(8);
// item 3
val.push_back(13);
w.push_back(2);
backtrack(-1, 0, 0);
cout << "Take items";
for (int item: ans_items_taken) {
cout << ' ' << item + 1;
}
cout << '\n';
return (0);
}
The problem of generating all the permutations can also be easily computed using backtracking in \(O(n n!)\)
Code
#include <bits/stdc++.h>
using namespace std;
int n;
vector <bool> used;
vector <int> permutation;
void print (const vector <int>& p) {
for (int elem: p) {
cout << elem << ' ';
}
cout << '\n';
}
void backtrack () {
if (permutation.size() == n) {
print(permutation);
return;
}
for (int p_i = 1; p_i <= n; p_i++) {
if (!used[p_i]) {
used[p_i] = true;
permutation.push_back(p_i);
backtrack();
used[p_i] = false;
permutation.pop_back();
}
}
}
int main () {
n = 3;
used.resize(n + 1, false);
backtrack();
return (0);
}
Here we are following these states:
This image represents what is called the recursion tree. It show us how the function do the transitions.
Moreover, notice that we do not need to do something like this:
.
.
.
for (int p_i = 1; p_i <= n; p_i++) {
if (!used[p_i]) {
vector <bool> used_previous = used;
vector <int> permutation_previous = permutation;
used[p_i] = true;
permutation.push_back(p_i);
backtrack();
used = used_previous;
permutation = permutation_previous;
}
}
.
.
.
Because it will be heavier that the first solution and we know that:
- If previous of calling the recursion we ADD an element TO THE END of the vector, then after the recursion we must DELETE THE LAST element of the vector.
- If previous of calling the recursion we SET TO TRUE an element, then after the recursion we must SET TO FALSE that element.
- If previous of calling the recursion we ADD something, then after the recursion we must SUBTRACT something.
- Following this logic, If previous of calling the recursion we DO ONE OPERATION, then after the recursion we must REVERSE that operation. If the operation is complicated we can just save a copy of the previous state, else we can try to reverse the operations.
From all this one notice that if you are in your recursion in some state
and you go to state'
, then after returning of traversing the recursion tree of state'
you expect to have some variables in the condition they were before traversing the recursion tree of state'
. Understanding this idea is the key to implement backtracking solutions.
With backtracking it is easy to generate all possible movements in a game and choose the best movement.
Problem:
Complete the above sudoku such that each number from 1 to 9 is found just once in each row, column and quadrant.
Solution: We can just search all possible solutions using bactracking.
Code
#include <bits/stdc++.h>
using namespace std;
vector <vector <int>> sudoku;
vector <vector <int>> sudoku_solved;
vector <vector <pair <int, int>>> quadrant;
int n;
int N;
bool found;
bool validInRow (int r, int d) {
for (int c = 0; c < N; c++) {
if (sudoku[r][c] == d) return false;
}
return true;
}
bool validInCol (int c, int d) {
for (int r = 0; r < N; r++) {
if (sudoku[r][c] == d) return false;
}
return true;
}
bool validInQuadrant (int q, int d) {
for (pair <int, int> pos: quadrant[q]) {
int r = pos.first;
int c = pos.second;
if (sudoku[r][c] == d) return false;
}
return true;
}
// run this function for every 0 <= r < N and 0 <= c < N and you will get
// what this function does
int getQuadrant (int r, int c) {
return (r / n) * n + (c / n);
}
void backtrack (int r, int c) {
if (r == N) {
found = true;
sudoku_solved = sudoku;
return;
}
if (found) {
return;
}
int nc = (c + 1 == N) ? 0 : c + 1; // new column
int nr = (c + 1 == N) ? r + 1 : r; // new row
if (sudoku[r][c] != 0) {
backtrack(nr, nc);
return;
}
for (int d = 1; d <= 9; d++) {
int quadrant = getQuadrant(r, c);
if (validInRow(r, d) and
validInCol(c, d) and
validInQuadrant(getQuadrant(r, c), d)) {
sudoku[r][c] = d;
backtrack(nr, nc);
sudoku[r][c] = 0;
}
}
}
void precomputation () {
found = false;
N = sudoku.size();
n = 1;
while ((n + 1) * (n + 1) <= N) n++;
// n = sqrt(N)
quadrant.resize(N);
for (int r = 0; r < N; r++) {
for (int c = 0; c < N; c++) {
quadrant[getQuadrant(r, c)].push_back({r, c});
}
}
}
void print (const vector <vector <int>>& sudoku) {
for (auto row: sudoku) {
for (int elem: row) {
cout << elem << ' ';
}
cout << '\n';
}
}
int main () {
sudoku = {
{3, 0, 6, 5, 0, 8, 4, 0, 0},
{5, 2, 0, 0, 0, 0, 0, 0, 0},
{0, 8, 7, 0, 0, 0, 0, 3, 1},
{0, 0, 3, 0, 1, 0, 0, 8, 0},
{9, 0, 0, 8, 6, 3, 0, 0, 5},
{0, 5, 0, 0, 9, 0, 6, 0, 0},
{1, 3, 0, 0, 0, 0, 2, 5, 0},
{0, 0, 0, 0, 0, 0, 0, 7, 4},
{0, 0, 5, 2, 0, 6, 3, 0, 0}
};
precomputation();
backtrack(0, 0);
print(sudoku_solved);
return (0);
}
With this code we get this solution:
Problem: Given a chess board having \(N \times N\) cells, you need to place \(N\) queens on the board in such a way that no queen attacks any other queen.
\[1 \leq N \leq 10\]
Remember: A queen can attack in a complete row, column or diagonal.
Solution: We could try to place N queen in the \(N \times N\) cells. In this way we may get \(\binom{N \times N}{N}\) states to check. But for \(N = 8\) we have that \(\binom{N \times N}{N} \approx 8B\), so we need a better approach.
We know that each queen should be in different columns (else they will be attacking each other). So we can generate these \(N^N\) possible configurations and check if the conditions holds, but this solution may not be enough.
We know that each queen should be in different rows and columns. Then, the rows of the queens of a valid configuration are a permutation. The same holds for the columns. Thereby, we have \(N!\) possible configurations to check. We can implement this idea using backtracking in this way:
Code
#include <bits/stdc++.h>
using namespace std;
int n;
vector <pair <int, int>> queen;
vector <pair <int, int>> solution;
bool valid (int r, int c) {
for (auto pp: queen) {
// if same row or same column or same diagonal
if ((pp.first == r) or
(pp.second == c) or
(abs(r - pp.first) == abs(c - pp.second))) {
return false;
}
}
return true;
}
void backtrack (int r) {
if (r == n) {
solution = queen;
return;
}
if (!solution.empty()) {
return;
}
for (int c = 0; c < n; c++) {
if (valid(r, c)) {
queen.push_back({r, c});
backtrack(r + 1);
queen.pop_back();
}
}
}
int main () {
cin >> n;
backtrack(0);
if (solution.empty()) {
cout << "NO\n";
return (0);
}
vector <vector <int>> board(n, vector <int> (n, 0));
for (auto pp: solution) {
board[pp.first][pp.second] = 1;
}
cout << "YES\n";
for (int r = 0; r < n; r++) {
for (int c = 0; c < n; c++) {
cout << board[r][c] << " \n"[c == n - 1];
}
}
return (0);
}
For \(N = 4\) the recursion tree of our solution is like this:
Image taken from Jeff Erickson - Algorithms - Chapter 2: Backtracking.
The complexity of the above solution comes from the equation:
\[T_n = n \cdot T_{n - 1} + O(n)\] \[\to T_n = O(n!)\]
Then, our solution has complexity \(O(n!)\).
Recommended readings:
- HackerEarth - Recursion and Backtracking
- Competitive Programming 3, section 3.2.2, 8.2.1 and 8.2.2.
- GeekForGeeks - Backtracking Algorithms
You can find the contest here.
A: CD
CD
Each element can be taken or not, then a backtracking solution will give us the answer and keet the initial order of the items.
Code
#include <bits/stdc++.h>
using namespace std;
int main () {
int n;
while (cin >> n) {
int m;
cin >> m;
vector <int> arr(m);
for (int& elem: arr) cin >> elem;
vector <int> take;
vector <int> ans;
int sum = 0;
int best_sum = 0;
function <void(int)> backtrack = [&] (int pos) -> void {
if (sum > best_sum or (sum == best_sum and ans.size() < take.size())) {
best_sum = sum;
ans = take;
}
if (pos == m) return;
// do not take it
backtrack(pos + 1);
if (sum + arr[pos] > n) return;
// take it
take.push_back(arr[pos]);
sum += arr[pos];
backtrack(pos + 1);
take.pop_back();
sum -= arr[pos];
};
backtrack(0);
for (int elem: ans) cout << elem << ' ';
cout << "sum:" << best_sum << '\n';
}
return (0);
}
B: Hanoi Tower Troubles Again!
Hanoi Tower Troubles Again!
There is a greedy approach, you can put a ball in the first pile where you can do it.
Code
#include <bits/stdc++.h>
using namespace std;
int main () {
const int N = 1e5;
vector <bool> is_sq(N, false);
for (int i = 0; i * i < N; i++) is_sq[i * i] = true;
int tc;
cin >> tc;
while (tc--) {
int n;
cin >> n;
vector <vector <int>> pile(n);
int ans = 0;
int cur = 0;
function <void(int)> rec = [&] (int num) -> void {
ans = max(ans, cur);
for (int i = 0; i < n; i++) {
if (pile[i].empty() or is_sq[pile[i].back() + num]) {
cur += 1;
pile[i].push_back(num);
rec(num + 1);
break;
}
}
};
rec(1);
cout << ans << '\n';
}
return (0);
}
C: Marcus
Marcus
Identify the initial point and then search on the grid using backtracking.
Code
#include <bits/stdc++.h>
using namespace std;
int main () {
const vector <int> dr = {-1, 0, 0};
const vector <int> dc = {0, -1, 1};
const vector <string> option = {"forth", "left", "right"};
const string word = "IEHOVA#";
int tc;
cin >> tc;
while (tc--) {
int n, m;
cin >> n >> m;
vector <string> ans;
vector <string> take;
vector <string> grid(n);
for (int i = 0; i < n; i++) cin >> grid[i];
function <void(int,int)> backtrack = [&] (int r, int c) -> void {
if (take.size() == 7) {
ans = take;
return;
}
for (int d = 0; d < 3; d++) {
if (!ans.empty()) return;
int nr = r + dr[d];
int nc = c + dc[d];
if (not (0 <= min(nr, nc) and nr < n and nc < m)) continue;
if (grid[nr][nc] != word[take.size()]) continue;
take.push_back(option[d]);
backtrack(nr, nc);
take.pop_back();
}
};
for (int r = 0; r < n; r++) {
for (int c = 0; c < m; c++) {
if (grid[r][c] == '@') {
backtrack(r, c);
}
}
}
for (int i = 0; i < 7; i++) {
cout << ans[i] << " \n"[i == 6];
}
}
return (0);
}
D: Back to the 8-Queens
Back to the 8-Queens
There are just 92 valid configurations, we can generate all of them using backtracking and do a simple linear search to get the answer for each query.
Code
#include <bits/stdc++.h>
using namespace std;
const int N = 8;
vector <pair <int, int>> queen;
vector <vector <pair <int, int>>> solution;
bool valid (int r, int c) {
for (auto pp: queen) {
// if same row or same column or same diagonal
if ((pp.first == r) or
(pp.second == c) or
(abs(r - pp.first) == abs(c - pp.second))) {
return false;
}
}
return true;
}
void backtrack (int c) {
if (c == N + 1) {
solution.push_back(queen);
return;
}
for (int r = 1; r <= N; r++) {
if (valid(r, c)) {
queen.push_back({r, c});
backtrack(c + 1);
queen.pop_back();
}
}
}
int main () {
backtrack(1);
vector <int> row(N);
int tc = 0;
while (cin >> row[0]) {
for (int i = 1; i < N; i++) cin >> row[i];
int ans = INT_MAX;
for (auto sol: solution) {
int need = 0;
for (int i = 0; i < N; i++) {
need += (row[i] != sol[i].first);
}
ans = min(ans, need);
}
cout << "Case " << ++tc << ": " << ans << '\n';
}
return (0);
}
E: Boggle Blitz
Boggle Blitz
Just use backtracking to do a complete search.
Code
#include <bits/stdc++.h>
using namespace std;
int main () {
int tc;
cin >> tc;
for (int t = 0; t < tc; t++) {
if (t) cout << '\n';
int n;
cin >> n;
vector <string> grid(n);
for (int i = 0; i < n; i++) cin >> grid[i];
vector <string> ans;
string word = "";
function <void(int,int,char)> backtrack = [&] (int r, int c, char last) -> void {
if (3 <= word.size()) {
ans.push_back(word);
}
for (int dr = -1; dr <= 1; dr++) {
for (int dc = -1; dc <= 1; dc++) {
if (dr == 0 and dc == 0) continue;
int nr = r + dr;
int nc = c + dc;
if (not (0 <= min(nr, nc) and max(nr, nc) < n)) continue;
if (grid[nr][nc] <= last) continue;
word += grid[nr][nc];
backtrack(nr, nc, grid[nr][nc]);
word.pop_back();
}
}
};
for (int r = 0; r < n; r++) {
for (int c = 0; c < n; c++) {
word += grid[r][c];
backtrack(r, c, grid[r][c]);
word.pop_back();
}
}
sort(begin(ans), end(ans), [&] (const string& x, const string& y) {
if (x.size() != y.size()) return x.size() < y.size();
return x < y;
});
// delete duplicates
ans.erase(unique(begin(ans), end(ans)), end(ans));
for (auto& word: ans) cout << word << '\n';
}
return (0);
}


public class RingoSecurityManager
extends org.mozilla.javascript.RhinoSecurityManager
| Modifier and Type | Field and Description |
|---|---|
static java.security.Permission |
ACCESS_DECLARED_MEMBERS |
static java.security.Permission |
ACCESS_JAVA |
static java.security.Permission |
GET_CLASSLOADER |
static java.security.Permission |
SPAWN_THREAD |
| Constructor and Description |
|---|
RingoSecurityManager() |
| Modifier and Type | Method and Description |
|---|---|
void |
checkAccess(java.lang.ThreadGroup g)
The default security manager does not provide a way to keep code from starting
threads.
|
void |
checkJavaAccess()
Check if the top-most application script has permission to access
members of Java objects and classes.
|
void |
checkMemberAccess(java.lang.Class<?> clazz,
int which)
Override to decide on top-most application script class instead of java class.
|
checkAccept, checkAccess, checkAwtEventQueueAccess, checkConnect, checkConnect, checkCreateClassLoader, checkDelete, checkExec, checkExit, checkLink, checkListen, checkMulticast, checkMulticast, checkPackageAccess, checkPackageDefinition, checkPermission, checkPermission, checkPrintJobAccess, checkPropertiesAccess, checkPropertyAccess, checkRead, checkRead, checkRead, checkSecurityAccess, checkSetFactory, checkSystemClipboardAccess, checkTopLevelWindow, checkWrite, checkWrite, classDepth, classLoaderDepth, currentClassLoader, currentLoadedClass, getClassContext, getInCheck, getSecurityContext, getThreadGroup, inClass, inClassLoader
public static final java.security.Permission GET_CLASSLOADER
public static final java.security.Permission ACCESS_DECLARED_MEMBERS
public static final java.security.Permission ACCESS_JAVA
public static final java.security.Permission SPAWN_THREAD
public void checkAccess(java.lang.ThreadGroup g)
checkAccess
in class java.lang.SecurityManager
g
- the threadgrouppublic void checkMemberAccess(java.lang.Class<?> clazz, int which)
checkMemberAccess
in class java.lang.SecurityManager
clazz
- the class that reflection is to be performed on.which
- type of access, PUBLIC or DECLARED.java.lang.SecurityException
- if the caller does not have
permission to access members.java.lang.NullPointerException
- if the clazz
argument is
null
.public void checkJavaAccess()
This checks if the script trying to access a java class or object has the
accessEngine
RingoRuntimePermission.
java.lang.SecurityException
- if the caller does not have
permission to access java classes.


--- layout: post title: Running your app from the console categories: - documentation - tricks author: marcel published: true date: 2006-04-04 20:52:00.000000000 +01:00 ---
Rails 1.1 lets you run your app right from the console by exposing the new Integration Testing framework.
Mike Clark, of Pragmatic Studio and the upcoming Production Rails fame, has once again offered up a quick how to. This time about Running your Rails App Headless.


Alessandro Vermeulen is a Functional Programming enthousiast and Computer Sciences MSc alumnus from Utrecht University. His thesis was on incremental evaluation of Haskell programs.


3 references to SetMaxRunspacesReceived
System.Management.Automation (3)
engine\remoting\server\ServerRemotingProtocol2.cs (2)
159
Dbg.Assert(
SetMaxRunspacesReceived
!= null,
162
SetMaxRunspacesReceived
.SafeInvoke(this, new RemoteDataEventArgs<PSObject>(receivedData.Data));
engine\remoting\server\ServerRunspacePoolDriver.cs (1)
222
DataStructureHandler.
SetMaxRunspacesReceived
+= HandleSetMaxRunspacesReceived;


For some reason, quite possibly ignorance, I have never made it my practice to add “tags” to Hooting Yard postages. I shove them into a category, but have always neglected the tags. It is not something I have thought about, until today, when I have realised that a skilled “tagger” can create something approaching poetry.
The friend who I thumped on the bonce with the Hammer of Thumpiness, until she caved in and began blogging, is only six posts in at BlackberryJuniper And Sherbet, yet her grasp of tagging is a wonder to behold. Consider this:
memory
rain
Swanage
wind
What a corker! Time, surely, to eject Carol Ann Duffy* from the Laureateship and appoint my friend in her stead.
* NOTE : The preposterous Duffy's latest witterings argue that teenpersons' txt-spk has poetic potential. Shouldn't she be promoting literacy rather than garbled barbarism?


%rehashx
¶
As the first file in startup this file plays an important role in setting
everything else up. As a result, the first thing done is running the magic
%rehashx
.
-
%rehashx
¶
The IPython magic %rehashx
allows you to reload all of your startup files
and also adds system commands to the namespace!
Insofar, I haven’t noticed any significant slowdown in startup time as a result of this, and it hugely eases utilizing IPython as a system shell.
In addition 100+ aliases have been added for git.
This is a useful place to start as any aliases that need further modification can be overridden later.
Aliases are easy to work with as they as composed of simple data structures.
-
rerun_startup
() This function can be run in an interactive session. The intended use case is one where the user needs to rerun the startup files in the
profile_default
startup folder. For various reasons, not all files in the startup foler may execute. This can occur if there is a syntax error in one of the files. After an unexpected exception is raised, the remaining files will all collectively not run.To fix that, they are all presented as arguments to the IPython magic,
%run
and as a result, are added to the global namespace.
Parameters¶
magic_name
strName of the desired magic function, without % prefix.
line
strThe rest of the input line as a single string.
_stack_depth
int, optionalNumber of recursive calls to an IPython magic.
Notes¶
IPython.core.magic.run_line_magic()
A method of the
InteractiveShell
instance to run a specific magic currently in the IPython.core.interactiveshell.InteractiveShell.user_ns or user namespace.
Usage¶
As the help outlines above, the second required positional argument to
IPython.core.TerminalInteractiveShell.run_line_magic()
is line
.
This is more easily understood as ‘remaining arguments to the magic’.
%rehashx
takes none, but leaving it blank causes the function call to raise
an error, so an empty str
is passed to the function.
_stack_depth
¶
The _stack_depth
parameter can be understood like so:
If IPython.core.magics.run_line_magic()
is called from
IPython.core.magics.magic()
then
_stack_depth
= 2.
This is added to ensure backward compatibility for use
of IPython.core.magics.get_ipython().magic()


Provides the main AlarmDecoder class.
Bases: object
High-level wrapper around AlarmDecoder (AD2) devices.
This event is called when the panel is armed.
Callback definition: def callback(device)
This event is called when the panel is disarmed.
Callback definition: def callback(device)
This event is called when panel power switches between AC and DC.
Callback definition: def callback(device, status)
This event is called when the alarm is triggered.
Callback definition: def callback(device, zone)
This event is called when the alarm stops sounding.
Callback definition: def callback(device, zone)
This event is called when a fire is detected.
Callback definition: def callback(device, status)
This event is called when a zone is bypassed.
Callback definition: def callback(device, status)
This event is called when the device finishes booting.
Callback definition: def callback(device)
This event is called when the device receives its configuration.
Callback definition: def callback(device)
This event is called when Zonetracker detects a zone fault.
Callback definition: def callback(device, zone)
This event is called when Zonetracker detects that a fault is restored.
Callback definition: def callback(device, zone)
This event is called when the device detects a low battery.
Callback definition: def callback(device, status)
This event is called when the device detects a panic.
Callback definition: def callback(device, status)
This event is called when a relay is opened or closed on an expander board.
Callback definition: def callback(device, message)
This event is called when standard panel Message is received.
Callback definition: def callback(device, message)
This event is called when an ExpanderMessage is received.
Callback definition: def callback(device, message)
This event is called when an LRRMessage is received.
Callback definition: def callback(device, message)
This event is called when an RFMessage is received.
Callback definition: def callback(device, message)
This event is called when a !Sending.done message is received from the AlarmDecoder.
Callback definition: def callback(device, status, message)
This event is called when the device has been opened.
Callback definition: def callback(device)
This event is called when the device has been closed.
Callback definition: def callback(device)
This event is called when a line has been read from the device.
Callback definition: def callback(device, data)
This event is called when data has been written to the device.
Callback definition: def callback(device, data)
Represents panel function key #1
Represents panel function key #2
Represents panel function key #3
Represents panel function key #4
Represents a panic keypress
Default timeout (in seconds) before the battery status reverts.
Default tTimeout (in seconds) before the fire status reverts.
The keypad address in use by the device.
The configuration bits set on the device.
The address mask configured on the device.
List containing the devices zone emulation status.
List containing the devices relay emulation status.
The status of the devices LRR emulation.
The status of message deduplication as configured on the device.
The panel mode that the AlarmDecoder is in. Currently supports ADEMCO and DSC.
The device serial number
The device firmware version
Device flags enabled
The ID of the AlarmDecoder device.
| Returns: | identification string for the device |
|---|
Retrieves the timeout for restoring the battery status, in seconds.
| Returns: | battery status timeout |
|---|
Retrieves the timeout for restoring the fire status, in seconds.
| Returns: | fire status timeout |
|---|
Retrieves the address mask used for updating internal status.
| Returns: | address mask |
|---|
Opens the device.
| Parameters: |
|
|---|
Sends data to the AlarmDecoder device.
| Parameters: | data (string) – data to send |
|---|
Retrieves the configuration from the device. Called automatically by _on_open().
Retrieves the version string from the device. Called automatically by _on_open().
This module contains different types of devices belonging to the AlarmDecoder (AD2) family.
Bases: object
Base class for all AlarmDecoder (AD2) device types.
This event is called when the device has been opened.
Callback definition: def callback(device)
This event is called when the device has been closed.
Callback definition: def callback(device)*
This event is called when a line has been read from the device.
Callback definition: def callback(device, data)*
This event is called when data has been written to the device.
Callback definition: def callback(device, data)*
Bases: alarmdecoder.devices.Device
AD2USB device utilizing PyFTDI’s interface.
List of Vendor and Product IDs used to recognize AD2USB devices.
Returns all FTDI devices matching our vendor and product IDs.
| Returns: | list of devices |
|---|---|
| Raises: | CommError |
Returns a cached list of AD2USB devices located on the system.
| Returns: | cached list of devices found |
|---|
Factory method that returns the requested USBDevice device, or the first device.
| Parameters: | device (tuple) – Tuple describing the USB device to open, as returned by find_all(). |
|---|---|
| Returns: | USBDevice object utilizing the specified device |
| Raises: | NoDeviceError |
Starts the device detection thread.
| Parameters: |
|
|---|
Retrieves the serial number of the device.
| Returns: | serial number of the device |
|---|
Retrieves the interface used to connect to the device.
| Returns: | the interface used to connect to the device |
|---|
Opens the device.
| Parameters: |
|
|---|---|
| Raises: |
Writes data to the device.
| Parameters: | data (string) – data to write |
|---|---|
| Raises: | CommError |
Reads a single character from the device.
| Returns: | character read from the device |
|---|---|
| Raises: | CommError |
Reads a line from the device.
| Parameters: |
|
|---|---|
| Returns: | line that was read |
| Raises: |
Bases: threading.Thread
Thread that handles detection of added/removed devices.
This event is called when an AD2USB device has been detected.
Callback definition: def callback(thread, device*
Bases: alarmdecoder.devices.Device
AD2USB, AD2SERIAL or AD2PI device utilizing the PySerial interface.
Default baudrate for Serial devices.
Returns all serial ports present.
| Parameters: | pattern (string) – pattern to search for when retrieving serial ports |
|---|---|
| Returns: | list of devices |
| Raises: | CommError |
Retrieves the interface used to connect to the device.
| Returns: | interface used to connect to the device |
|---|
Opens the device.
| Parameters: |
|
|---|---|
| Raises: |
Writes data to the device.
| Parameters: | data (string) – data to write |
|---|---|
| Raises: | py:class:~alarmdecoder.util.CommError |
Reads a single character from the device.
| Returns: | character read from the device |
|---|---|
| Raises: | CommError |
Bases: alarmdecoder.devices.Device
Device that supports communication with an AlarmDecoder (AD2) that is exposed via ser2sock or another Serial to IP interface.
Retrieves the interface used to connect to the device.
| Returns: | interface used to connect to the device |
|---|
Retrieves whether or not the device is using SSL.
| Returns: | whether or not the device is using SSL |
|---|
Retrieves the SSL client certificate path used for authentication.
| Returns: | path to the certificate path or OpenSSL.crypto.X509 |
|---|
Retrieves the SSL client certificate key used for authentication.
| Returns: | jpath to the SSL key or OpenSSL.crypto.PKey |
|---|
Retrieves the SSL Certificate Authority certificate used for authentication.
| Returns: | path to the CA certificate or OpenSSL.crypto.X509 |
|---|
Opens the device.
| Parameters: |
|
|---|---|
| Raises: |
Writes data to the device.
| Parameters: | data (string) – data to write |
|---|---|
| Returns: | number of bytes sent |
| Raises: | CommError |
Reads a single character from the device.
| Returns: | character read from the device |
|---|---|
| Raises: | CommError |
Message representations received from the panel through the AlarmDecoder (AD2) devices.
Bases: object
Base class for messages.
The raw message text
The timestamp of the message
Bases: alarmdecoder.messages.BaseMessage
Represents a message from the alarm panel.
Indicates whether or not the panel is in a ready state.
Indicates whether or not the panel is armed away.
Indicates whether or not the panel is armed home.
Indicates whether or not the keypad backlight is on.
Indicates whether or not we’re in programming mode.
Number of beeps associated with a message.
Indicates whether or not a zone is bypassed.
Indicates whether or not the panel is on AC power.
Indicates whether or not the chime is enabled.
Indicates whether or not an alarm event has occurred.
Indicates whether or not an alarm is sounding.
Indicates whether or not there is a low battery.
Indicates whether or not the entry delay is enabled.
Indicates whether or not a fire alarm is sounding.
Indicates whether or not there are zones that require attention.
Indicates whether or not the perimeter is armed.
Indicates whether a system fault has occurred.
Indicates which panel type was the source of this message.
The numeric code associated with the message.
The human-readable text to be displayed on the panel LCD.
Current cursor location on the keypad.
Address mask this message is intended for.
The bitfield associated with this message.
The panel data field associated with this message.
Bases: alarmdecoder.messages.BaseMessage
Represents a message from a zone or relay expansion module.
Flag indicating that the expander message relates to a Zone Expander.
Flag indicating that the expander message relates to a Relay Expander.
Expander message type: ExpanderMessage.ZONE or ExpanderMessage.RELAY
Address of expander
Channel on the expander
Value associated with the message
Bases: alarmdecoder.messages.BaseMessage
Represents a message from an RF receiver.
Serial number of the RF device.
Value associated with this message.
Low battery indication
Supervision required indication
Loop indicators
Bases: alarmdecoder.messages.BaseMessage
Represent a message from a Long Range Radio.
Data associated with the LRR message. Usually user ID or zone.
The partition that this message applies to.
The type of the event that occurred.
Provides zone tracking functionality for the AlarmDecoder (AD2) device family.
Bases: object
Representation of a panel zone.
Status indicating that the zone is cleared.
Status indicating that the zone is faulted.
Status indicating that there is a wiring issue with the zone.
Zone ID
Zone name
Zone status
Timestamp of last update
Does this zone exist on an expander?
Bases: object
Handles tracking of zones and their statuses.
This event is called when the device detects a zone fault.
Callback definition: def callback(device, zone)
This event is called when the device detects that a fault is restored.
Callback definition: def callback(device, zone)
Zone expiration timeout.
Returns the current list of zones being tracked.
| Returns: | dictionary of Zone being tracked |
|---|
Update zone statuses based on the current message.
| Parameters: | message (Message or ExpanderMessage) – message to use to update the zone tracking |
|---|
Provides utility classes for the AlarmDecoder (AD2) devices.
Bases: exceptions.Exception
There was an error communicating with the device.
Bases: exceptions.Exception
There was a timeout while trying to communicate with the device.
Bases: exceptions.Exception
The format of the panel message was invalid.
Bases: exceptions.Exception
Generic firmware upload error.
Bases: alarmdecoder.util.UploadError
The firmware upload failed due to a checksum error.
Bases: object
Represents firmware for the AlarmDecoder devices.
Uploads firmware to an AlarmDecoder device.
| Parameters: |
|
|---|---|
| Raises: |
Representations of Panels and their templates.


All tested on OSX 10.6.1. Obviously I've left out most of the standard, and therefore boring, inputs.
Currently, this page is only interesting in Opera 9.60+ (earlier?) 9.0+ (thanks @FataL), and partially-so in Safari 3+ / Chrome.
Safari / Chrome: autofocus
(4+), type=search
, placeholder
, maxlength
, :required
css pseudo-selector (4+), type=range
—but can't hook into <output>
.
Opera: everything else, for the most part, except for autofocus
, placeholder
, a chrome style for type=search
.
Both Opera and Safari / Chrome have type=color
implemented—but there is no fancy UI.
Click submit, or hit enter to see validation errors in Opera. Client-side validation will only work for inputs that have a name
:
Bruce Lawson writes: forms with required attrib. need name attrib too, otherwise they don't take part in submission so can't be checked
(thanks!). See also his html5 forms demo page.
Copyright © 2009 Michael Taylor and licensed under the MIT license.


See all tags.
Tagged “css”
Electron is an open-source framework for creating desktop applications with your favorite web technologies: JavaScript, HTML, and CSS. It makes it easy to create a simple app with a few lines of code, using languages you already know.
In this course, Ray Villalobos shows how to use and customize Atom for web, front-end, stack, or any other kind of development. Learn how to write and edit text, use selections, move around code folders, and use the powerful Find and Replace feature. Then find out how to customize the interface and editing experience with Atom themes, packages, and snippets.
Find out how Bootstrap 4 can transform your standard HTML websites into inspired single-page designs.
Code Clinic is a series of courses where our instructors solve the same problems using different programming languages. Here, Ray Villalobos works with JavaScript. Throughout the course, Ray introduces challenges and then provides an overview of his solutions in JavaScript.
Create an interactive user interface that uses the strengths of jQuery, Bootstrap, Underscore.js, and the vast library of jQuery plugins.
In this weekly series, senior staff author explores front-end and full-stack coding concepts that every developer should have in their toolkit. Tune in every Tuesday for a new tip.
AngularJS is still a major player in the web dev world. Learn how to quickly build full-featured web applications with this important JavaScript framework.
The perfect way to learn Vue.js is to use Vue.js. Learn to create an application interface for a product rating system using this flexible JavaScript library.
Bring your data to life with D3.js. Create interactive, visually exciting infographics and visualizations with HTML, CSS, JavaScript, and SVG graphics.
Learn how to work with PostCSS and CSSNext. Discover how to create a realistic single-page site that uses cutting-edge CSS features while maintaining compatibility with older browsers.
Learn the essentials of Bootstrap. Discover how to work with this popular front-end framework to quickly and easily build responsive, mobile-ready websites that are cross-browser compatible.
Learn AngularJS 2, the "superheroic" JavaScript framework for building single-page mobile and web applications fast. Find out how to use AngularJS templates, create components, and work with events.
Learn how to add data-driven functionality to your web applications with AngularJS. This project shows you how to check users in and out of a system and randomly select checked-in users to reward with prizes.
In this short course, we'll create a simple and straightforward registration system that allows users to log in and log out of an application. The techniques use AngularJS and Google Firebase, a mobile development platform that makes registration easy and secure.
Make your mobile web apps act like native iOS, Android, or Windows Phone applications. Make them progressive! Learn techniques to make web apps responsive and secure, work offline, and launch from the home screen.
Looking for an alternative build tool? Try npm, the node package manager. Learn how to create npm scripts to automate all sorts of build tasks.
Learn how to create animated single-page websites with PostCSS, the CSS post-processor that extends the power of CSS through JavaScript.
Want to write CSS faster and more efficiently? Get a first look at PostCSS, the engine for processing CSS with JavaScript.
Get started with Markdown, the lightweight text format that allows you to create documents, rich text, or HTML markup using any plain text editor.
Learn how to implement dynamic form validation on any HTML form using the built-in validation properties and methods in AngularJS.
Learn the fundamentals of Syntactically Awesome Stylesheets (Sass), a modern web development language that helps you write CSS better, faster, and with more advanced features.
Everything you need to know to get started building responsive, accessible, mobile-first websites with Bootstrap 3.
Learning Git and GitHub Preview. Learn to work with the most common Git commands, and use GitHub to clone, explore, and create templates from existing projects.
Program, test, and deploy your web applications more easily and efficiently with a Grunt.js development workflow.
Find out how Bootstrap can transform your standard HTML websites into inspired single-page designs.
Getting a menu to center horizontally is surprisingly hard, especially when you're using CSS lists. In this tutorial, I'll show you how to change the display element to pretend you're centering a table, which is easy.
Learn the different ways of declaring and invoking JavaScript functions, the "subprograms" that power your code.
Learn how Compass (powered by Sass) can help you build a responsive layout workflow that is easier, faster, and more compatible than CSS alone.
Learn to use JavaScript events to respond to clicks, form input, and touch gestures in your web applications.
Generate an interactive website from scratch with Bootstrap.
Learn to use Emmet's abbreviated shortcuts to write full-fledged HTML, XML, CSS, and code faster and more efficiently.
Learn to modify the DOM (Document Object Model), one of the core components of every HTML page, with JavaScript.
Learn how to ensure the data submitted to your web forms is complete, accurate, and nonmalicious with HTML5, JavaScript, jQuery, and PHP form processing and validation.
Explore how the JavaScript Object Notation (JSON) format works and how you can use it to read and share data in your web projects.
Explore how to load dynamic content from JavaScript and jQuery using AJAX methods.
Ten-minute projects on intermediate and advanced web design topics, covering technologies such as HTML, PHP, jQuery, and CSS, as well as content management solutions like WordPress and integration with Twitter, YouTube, and more.
CSS best practices and techniques for styling and structuring HTML and HTML5 forms.
How to build a web site that automatically adapts its layout to various screen sizes, orientations, and resolutions on desktop browsers and mobile devices.


| < Day Day Up > |
ExercisesExercise 4-1Explain in your own words why remarks like (for example) "This UPDATE operation updates the status for suppliers in London" aren't very precise. Give a replacement for that remark that's as precise as you can make it. Exercise 4-2Why are SQL's "positioned update" operations a bad idea? Exercise 4-3Give definitions for SQL analogs of the TAX_BRACKET, ROSTER, and MARRIAGE relvars from the section "More on Candidate Keys." Exercise 4-4Why doesn't it make much sense to say a relation has a key? Exercise 4-5In the body of the chapter, I gave one reason why key irreducibility is a good idea. Can you think of any others? Exercise 4-6"Key values are not scalars but tuples." Explain this remark. Exercise 4-7Let relvar R be of degree n. What's the maximum number of keys R can have? Exercise 4-8Relvar EMP from the section "More on Foreign Keys" is an example of what's sometimes called a self-referencing relvar. Invent some sample data for that relvar. Does this example lead inevitably to a requirement for null support? (Answer: No, but it does serve to show how seductive the nulls idea can be.) What can be done in this example if nulls are prohibited? Exercise 4-9SQL has nothing analogous to Tutorial D's renaming option in its foreign key specifications. Why not? Exercise 4-10Can you think of a situation in which two relvars R1 and R2 might each have a foreign key referencing the other? Exercise 4-11Investigate any SQL product available to you. What referential actions does that product support? Which ones do you think are useful? Can you think of any others that the product doesn't support but might be useful? Exercise 4-12The relational model has nothing to say about triggered procedures (often known simply as triggers). Is this omission a problem? If so, why? If not, why not? Do you think triggered procedures are necessary? Or desirable? Exercise 4-13Let view LSSP be defined as follows (SQL): CREATE VIEW LSSP AS ( SELECT S.SNO, S.SNAME, S.STATUS, SP.PNO, SP.QTY FROM S, SP WHERE S.SNO = SP.SNO AND S.CITY = 'London' ) ; Here's a query on this view: SELECT DISTINCT LSSP.STATUS, LSSP.QTY FROM LSSP WHERE LSSP.PNO IN ( SELECT P.PNO FROM P WHERE P.CITY <> 'London' ) What might the query that's actually executed on the underlying base relvars look like? Exercise 4-14What key(s) does view LSSP from the previous exercise have? Exercise 4-15Investigate any SQL product available to you. Are there any apparently legitimate queries on views that fail in that product? If so, state as precisely as you can which ones they are. What justification does the vendor offer for failing to provide full support? (Note that this exercise asks about queries only, not updates.) Exercise 4-16Investigate any SQL product available to you. What view updates does that product support? Be as precise as you can in your answer. Exercise 4-17Using either the suppliers-and-parts database or any database you happen to be familiar with, give some further examples to illustrate the point that which relvars are base and which virtual is largely arbitrary. Exercise 4-18Investigate any SQL product available to you. In what ways—there will be some!—does that product violate The Principle of Interchangeability? Exercise 4-19Distinguish between views and snapshots. Does SQL support snapshots? Does any product that you're aware of? Exercise 4-20What's a "materialized view"? Why is the term deprecated? Exercise 4-21Define the terms proposition and predicate. Give examples. Exercise 4-22State the predicates for relvars P and SP from the suppliers-and-parts database. Exercise 4-23What do you understand by the terms intension and extension? Exercise 4-24Let DB be any database you happen to be familiar with and let R be any relvar in DB. What's the predicate for R? Note: The point of this exercise is to get you to apply the fundamental ideas discussed in the body of this chapter to your own data, in an attempt to get you thinking about data in general in such terms. Obviously the exercise has no unique right answer. Exercise 4-25Consider views LS and NLS from the section "More on Views." What are the corresponding relvar predicates? Would it make any difference if they weren't views but base relvars instead? Exercise 4-26What's the predicate for view LSSP from Exercise 4-13? Exercise 4-27Explain the Closed World Assumption. Exercise 4-28A key is a set of attributes, and the empty set is a legitimate set; thus, we could define an empty key to be a key where the set of attributes is empty. Can you think of any uses for such a key? Exercise 4-29What's the predicate for a relvar of degree zero? (Does this question even make sense? Justify your answer.) Exercise 4-30Every relvar has some relation as its value. Is the converse true? That is, is every relation a value of some relvar? |
| < Day Day Up > |


Can you rise to the top?
Guess who's top this semester?
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CS185 PROJECT SITE
Zhijun (Kenneth) Yan
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Welcome to Zhijun Yan's assignment page of CS185
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A Timeview Application provided by a web application deployed on heroku along with the articles related to those events in the corresponding to the desired date.
Contributors :
K Sai Surya Teja | PVSL Hari Chandana | P Anusha | Sai Saketh Aluru U Vishnu
Map View gives the location of the launching sites corresponding to a specific space mission.
The Visualisation interface overlays entities on appropriate Geo-Location on Google Maps
Contributors :
Veligeti VIneeth | Inkulu Sampreeeth | Boddu Mahesh Aitipamula Aravind | Mulumudy Vyshnav Rohith Reddy
An interactive and visual editor that interacts with relevant dataset and support user to specify their query.
It is useful for users whol want to query in RDF Dataset using SPARQL, since writing SPARQL query require technical knowledge which not everyone may know.
contributors :
Gaurav Kumar Jha | Nishant Chandel | Atif Hassan | Shivang Agrawal
The collected information may be searched or browsed using this application. It can auto-complete the user's search and filter the result of their query.
contributors :
G Rahul Kranti Kiran | Rakesh Bal | Ayan Zunaid | C Rajesh Khanna Mehul Kumar Nirala
JUST FOR FUN!!! start playing
contributors:
Rahul Kumar | Vedic Pratap | Aurghya Maiti | G.Vishal | Chelsi Raheja
Question Answering over Linked Data.
Converts a natural language query in a SPQRQL Query to have the an answer from an RDF Store
contributors:
Sayan Sinha | Swastika Dutta | Himanshu Mundra | Sarthak Chakraborty Rishit Sinha
Application that maps the entites in a graph according to the relation they have with other entities, such a visualization might be helpful in finding similarity b/w two entities.


I’ve put two billiards tables side-by-side.
Make a hard shot in one.
And a soft shot in the other.
The soft shot takes a lot longer to spread all the particles out, as we saw before.
But notice too that the strength of your shot is still visible. The particles in one table are a lot more energetic than the particles in the other.


>>
<<
Usr
Pri
JfC
LJ
Phr
Dic
Voc
!:
Help
Dictionary
10. Classification (with Selection and Inner Product)
The complete classification table can be used in a variety of ways,
including use with various inner products. For example:
cct=: #:@i.@(2: ^ #)
m=: 2 3 5 ,: 4 2 1
n=: |: cct 0{m
m ; n ; m +/ . * n
+-----+---------------+----------------+
|2 3 5|0 0 0 0 1 1 1 1|0 5 3 8 2 7 5 10|
|4 2 1|0 0 1 1 0 0 1 1|0 1 2 3 4 5 6 7|
| |0 1 0 1 0 1 0 1| |
+-----+---------------+----------------+
The pattern of the inner product can be seen more
clearly in the following display: the element in a given
row and column of the matrix product p
in the lower right box corresponds to the row of the left argument
and the column of the right argument. Thus:
('' ; n) ,: (m ; p=: m +/ . * n)
+-----+----------------+
| |0 0 0 0 1 1 1 1 |
| |0 0 1 1 0 0 1 1 |
| |0 1 0 1 0 1 0 1 |
+-----+----------------+
|2 3 5|0 5 3 8 2 7 5 10|
|4 2 1|0 1 2 3 4 5 6 7|
+-----+----------------+
(+/r*c) ; (r*c) ; (r=: 0{m) ; (c=: 3{"1 n) ; (<0 3){p
+-+-----+-----+-----+-+
|8|0 3 5|2 3 5|0 1 1|8|
+-+-----+-----+-----+-+
Just as the ordinary matrix product yields sums over products,
the inner product */ . ^ yields products over powers.
Hence, m */ . ^ n produces products
over all possible subsets of the rows of m :
m */ . ^ n
1 5 3 15 2 10 6 30
1 1 2 2 4 4 8 8
Also see the use of the key adverb (/.)
for classification.
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Trekkies (1998) Denise Crosby, Barbara Adams, Denis Bourguignon and family, David and Laurel "Tammi" Greenstein, Gabriel and Richard Köerner, Richard Kronfeld, Joyce Mason and Evelyn De Biase, Anne Murphy. Executive Producers: Michael Leahy, Joel Soisson. Co-executive Producer: Denise Crosby. Produced by W.K. Border. Directed and edited by Roger Nygard. 87 minutes.
Not rated, 4 stars (out of five stars)
Review by Ed Johnson-Ott, NUVO Newsweekly www.nuvo-online.com Archive reviews at http://us.imdb.com/M/reviews_by?Edward+Johnson-ott To receive reviews by e-mail at no charge, send subscription requests to<EMAIL_ADDRESS>You don't need to be a Star Trek connoisseur to enjoy "Trekkies," an affectionate portrait of some the more "colorful" fans of the ubiquitous sci-fi phenomenon. The funniest documentary since "Cane Toads: An Unnatural History," "Trekkies" draws more belly laughs than any film in recent memory, including "There's Something About Mary."
Working on a shoestring budget with film stock of varying qualities, director Roger Nygard copes by editing "Trekkies" in the herky-jerky style popularized by MTV. In fact, an apt subtitle for the film would be "The Unreal World." Denise Crosby, Tasha Yar from "Star Trek: The Next Generation," serves as tour guide into the realm of Trek fandom, setting the benign, nonjudgmental tone that makes the feature work so well. While I enjoyed Michael Moore's "Roger and Me" and "The Big One," how refreshing it is to see a humorous documentary that doesn't batter its subjects with snide commentary. "Trekkies" simply lets the fans speak for themselves, with hilarious results.
 "It's a Romulan cloaking device," he explains without a hint of irony, "but I think I can modify it to work on a Federation ship." You know, I bet he can. Watch a befuddled Radio Shack clerk, eyeing the camera warily while the Trekkie shops for parts. Try, just try, to keep a straight face as the Uberfan tools down the street in his customized Captain Pike life- support motorized space-chair, with only his head sticking out of the bizarre contraption. As if the spectacle isn't freaky enough, he sports a brown corduroy winter hat with earflaps because, hey, it's chilly out there.
We also meet Barbara Adams, an employee of the Sir Speedy print shop who gained national prominence when, as a Whitewater trial juror, she insisted on wearing her Federation uniform to court. "Every day I would walk past the reporters with a Vulcan-like stoicism," she says with pride, before launching into a sermon on the ideals espoused by "Star Trek."
The original "Star Trek" debuted in the '60s, when the Vietnam war and sweeping social changes were turning the country upside down. The show presented a vision of a future where mankind not only survived, but thrived, with adventurers of varying races and nationalities united as they explored the far reaches of the heavens. Despite the mini-skirted sexism and imperialistic undertones of the show (as well as a notable lack of gays that continues to this day), the optimism of the series resonated with a determined group of disenfranchised viewers. More than 30 years, three TV series, nine films and countless books later, "Star Trek" lives on.
There's a sweet naiveté beneath the ridiculous costumes and garish make- up of these "Star Trek" fans that makes their eccentricities, if not necessarily endearing, at least understandable. Faced with a tumultuous, uncertain world, they've elected to move to a nicer one. I laughed at Gabriel, a 14-year old computer whiz who fusses over the detailing of his Federation outfits while over-enunciating multi-syllable words, but I also remembered my own painful adolescence enough to like him.
Some of the folks are considerably weirder. There's the transvestite Trekkie who dresses as the nameless wife of some obscure peripheral character, the guy considering having plastic surgery done to give his ears Vulcan-shaped points, and the "Spiner-Femme" who displays an album stuffed with photos of Brent Spiner (Data from "The Next Generation"), before aiming her telescope into the distance and wistfully noting that she can almost see the roof of the actor's home. Incidentally, I'm barely scraping the surface here. Wait until you hear about the "Q" virus!
"Trekkies" gets a bit stuffy towards the end, devoting too much footage to testimonials about the spirit of "Star Trek" before recovering with a last dash of humor, but that's a minor quibble.  At one time or another, we all get passionate and obsessive about something. We may not dress like Klingons or wave around phasers, but when you come right down to it, we're all pretty damn silly. Trekkies just wear their goofiness with pride.
A Discussion with Denise Crosby and Roger Nygard of "Trekkies"
by Ed Johnson-Ott, NUVO Newsweekly
Whether you're filming the founder of the Interstellar Language School, a man who legally changed his name to James T. Kirk, or a group of Klingons dining at a fast food joint, the trick is to avoid making color commentary. That's the philosophy behind "Trekkies," a hilarious documentary about Star Trek fandom. "We knew the audience would get it," explained Denise Crosby, co-executive producer of the film. "Just let them reveal themselves and tell their tales and you'll be touched, you'll be moved, you'll laugh, you'll go 'Oh my God, I thought I had some odd pastimes!'"
Crosby and "Trekkies" director Roger Nygard talked "Trek" during an interview at a downtown Indianapolis hotel. I congratulated Crosby, who just finished a year-long break after appearing in "Deep Impact" and having a baby, on her personal restraint in "Trekkies." Where many actors would have hogged the camera, Crosby served only as a pleasant, subdued host to the proceedings. She responded, "It was refreshing, actually, to be in that position. I can't stand that bombarding ego that actors have, so I was really happy to just kind of... " Nygard finished her sentence, saying "Be the Anti-Shatner?" The pair broke into gales of laughter over the dig at William Shatner, the notorious ham who played Captain Kirk. Crosby threw up her arms and gleefully shouted, "Yes, that's it, I am the Anti-Shatner!"
Denise Crosby gained fame as Tasha Yar on "Star Trek: The Next Generation, " considered by many to be the best incarnation of the venerable franchise. Several months into the series' extremely shaky first season, she asked to be written out, frustrated with scripts that left her standing around far too often. "I was going to become sort of lobotomized if I stayed on the show much longer," she said. Ironically, the episode where her character was killed offered her a long, eloquent monologue, exactly the kind of material she had craved in the first place. "It was very beautifully written, and really hit some personal notes, how I personally felt about all those actors," she explained. As to the rather arbitrary method the writers used to dispose of Tasha Yar, she said, "I knew the concept that Gene Roddenberry was after, that my character's death should be so unprovoked and so sudden that it would render itself horrific, but in hindsight it just fell flat. I think most people felt that, here you are killing off a well-loved character and it should have been more spectacular."
I asked about one the first season's most notorious episodes, a story which reinforced negative racial stereotypes. "We were just talking about this," Crosby said. "I think that show will go down in history... people will scratch their heads and say 'How did this ever get on the air?'  Shaking her head and laughing, she went on. "And they speak like the guy from the old Cola-nut commercials!
In subsequent seasons, when the quality of the show radically improved, did she ever regret leaving the series? "You know, I never looked back," she answered. "I'm going to be really honest, I've never seen an episode since I left the show and I've never seen 'Voyager' or 'Deep Space Nine.' It's not that I have some sort of distaste for it, there's just not a lot of TV that I do watch. I watch films." "And documentaries!" Nygard chirped with a grin.
Crosby remained close with several cast members after leaving the show and was pleasantly surprised when the producers invited her to revisit her role in a superb time-travel story. The episode, "Yesterday's Enterprise," caught her by surprise. "When I left the show, that was it," she explained. "I had no plans of ever returning, I was dead. And then they called me up and said they had this idea and would I be interested? I said 'Absolutely.' They sent me this great script and I thought 'This is so clever! This is wild!' I had a great time doing it. And I got to work with Whoopi Goldberg, which I had missed due to my departure."
The success of the episode led to Crosby's idea for another character. Sela would be the child of Tasha Yar, born when she traveled backwards through time (don't ask). In Crosby's conception, the child would be a human raised by the Romulans, enemies of the Federation. "I had a meeting with Rick Berman (head honcho for the franchise after Roddenberry's death) and pitched the story," she said. "He kind of went away and thought about it for a couple of months, then called me and said they wanted to go with the idea, but with the slight variation that Tasha was pregnant by a Romulan general, so she had a half-human, half Romulan daughter." Nygard laughed and added, "Yeah, with the slight variation that you don't get paid for the idea!" Crosby appeared as Sela, and was invited back as Tasha Yar for the series' grand finale. "I thought that was really nice, actually," she said. "That was a surprise. I just had wished that Wil Wheaton was there. He was missing from the last show and it would have been nice if everyone could have been there."
Crosby met Nygard in 1991, when he cast her in the comedy "High Strung." A veteran guest at numerous "Star Trek" conventions, she proposed the idea of a documentary about the fans to Nygard, amazed that one hadn't been made already. Producer Keith Border financed the film through his company and shooting began in 1996.
The team received no help from Paramount, parent company for the "Trek" franchise. Instead, they attended conventions, ambushing cast members for interviews and eventually shooting 35 hours worth of footage. So when did Paramount, distributor of "Trekkies," finally embraced the film? "When we had an offer from a competing studio," laughed Nygard. "We always wanted to give them the benefit of first choice," said Crosby, "because 'Star Trek' is their franchise and I have a history with the studio, but they weren't jumping to the mat, so we shopped it around. Our lawyers got back to them and said 'We're moments away from letting so and so have this film. Does that interest you at all?' Boom. Offer's on the table."
Crosby and Nygard, who is currently finishing "Six Days in Roswell," a documentary about UFO enthusiasts, may do a follow-up "Trek" documentary focusing on the vast European fan base. They're not overly concerned about offending Trekkies. Nygard explains that any fan going out in public in "Trek" regalia knows they'll be noticed and possibly laughed at, and is willing to accept the consequences. Referring to one fan who tools around in a motorized "Trek" space-chair, he said affectionately, "That's just his preferred mode of transportation, because it shows his love of 'Star Trek.'"
© 1999 Ed Johnson-Ott
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Google Earth Enterprise Documentation Home | Fusion administration
Command reference
This article describes all of the command line tools used for system administration in alphabetical order. If you prefer, you can find each tool’s syntax by entering the name of the tool on the command line with the --help
option, for example:
geserveradmin --help
This article uses the following typographic conventions:
Italic |
Information that the user must supply |
| Bold | Text that the user must type exactly as shown |
| Ellipsis ... | Argument that can be repeated several times in a command |
| Square brackets [ ] | Optional commands or arguments |
| Curly braces { } with options separated by pipes |; for example: {even | odd} | Lists a set of choices from which the user can select only one |
| Parentheses ( ) | Grouped items that function together |
Courier font |
Code or program output |
geaddtoimageryproject
geaddtoimageryproject [--mercator | --flat] [--historical_imagery |
--no_historical_imagery] -o projectname {[--maxlevel level | --maxleveloverride level] insetresource}
...
Purpose
Creates a new imagery project. This tool is capable of building Mercator imagery projects for 2D databases, or Flat (Plate Carrée) imagery projects with or without Historic Imagery Support for 3D databases.
Commands
--mercator
Optional. Uses Mercator map projection for the imagery project.
--flat
Default. Uses Flat map (Plate Carrée) projection.
--historical_imagery
Optional. Uses historical imagery for the project..
--no_historical_imagery
Default. Uses normal imagery for the project.
Options
--maxlevel level
--maxleveloverride
instead.Optional. Sets the maximum level for the imagery. Uses internal Fusion scale. Deprecated because it not match the levels specified in the Fusion UI.
--maxleveloverride level
Optional. Sets the maximum level for the imagery. Uses the imagery scale in Fusion. Matches the levels in the Fusion UI.
geconfigureassetroot
geconfigureassetroot {--new --assetroot path [--srcvol path] | --repair | --editvolumes | --listvolumes | --addvolume | --fixmasterhost | --noprompt} [--nochown]
Purpose
To add volume definitions or edit existing volume definitions.
Example
geconfigureassetroot --new --assetroot /gevol/assets
geconfigureassetroot --new --assetroot /gevol/assets --srcvol /data1/src
geconfigureassetroot --repair
geconfigureassetroot --editvolumes
Options
--assetroot path
Path to asset root. This option is mandatory or optional in the geconfigureassetroot
commands. If optional, then the current asset root is used if it is not specified.
--noprompt
Optional. Perform the command without prompting the user for any input. This option requires that some commands have arguments specified on the command line.
--chown
Optional. Prevents attempts by this command to fix file/directory privileges. You may consider setting this option when you do not want any prvilege settings to change as a result of reconfiguring your asset root.
Commands
--new --assetroot path
Optional. Creates a new asset root. Specify the path to the new asset root.
/gevol/assets
.
--srcvol path
Optional. Specify the path to the source volume.
--repair [--assetroot path]
Optional. Repairs various inconsistencies in the asset root (such as permissions, ownership, missing ID files, and so on). When you run this command, the tool auto-detects the problems that need to be repaired and fixes them.
Note: Do not use this command unless you see a system message instructing you to do so.
--editvolumes [--assetroot path]
Optional. Follow the prompts to add a volume to the selected asset root or, modify the localpath
definition for an existing volume, or to add a volume definition.
--listvolumes [--assetroot path]
Optional. List the available (configured) volumes for the selected asset root.
--fixmasterhost [--assetroot path]
Optional. Change the assetroot host entry to match the current host name. (This command corrects cases where a host name is changed after installing and configuring Google Earth Enterprise Fusion.)
--addvolume volume_name:path]
Optional. Change the assetroot host entry to match the current host name. (This command corrects cases where a host name is changed after installing and configuring Google Earth Enterprise Fusion.)
geconfigurepublishroot
geconfigurepublishroot [--path=path] [--allow_symlinks] [--noprompt]
Purpose
To specify the path where you want to push databases for publishing and serving with the current Google Earth Enterprise Server. Follow the prompts.
Note: You must run this command as root.
Example
geconfigurepublishroot --path /gevol/published_dbs --allow_symlinks
Commands
--path=path
Optional. The path to the publish root. Default value is /gevol/published_dbs
.
--allow_symlinks
Optional. Configures the publisher to accept symbolic links. Useful when the publish root is on a separate logical volume from the asset root. Default is no.
--noprompt
Optional. Perform the command without prompting the user for any input. This option requires that some commands have arguments specified on the command line. If the arguments are insufficient or the configuration fails, the program will return -1 (0 is returned on success).
gecutter
gecutter {enable | disable}
Purpose
To enable and disable the Cutter tool. Once you have enabled the Cutter, you launch it from the Settings menu in the GEE Server admin console. You can also launch the Cutter directly from http://myserver.com/cutter
.
Note: The default admin security does not apply to the Cutter, so although it provides security if you try to launch the Cutter from the Admin console Settings menu, it does not block direct access to the Cutter via the URL. If you need Cutter security, you will need to add it separately. See GEE Server security.
See Create portable globes and maps.
Example
gecutter enable
gecutter disable
gedisconnectedclean
gedisconnectedclean [--dbpath dbpath] [--list assetroot]
Purpose
To clean a disconnected database from a disconnected mock asset root.
Example
gedisconnectedclean --dbpath /gevol/assets/Databases/MyPOIs.kdatabase
Commands
--dbpath dbpath
Required. Specify the database path to clean. This must be a low-level path to a database directory (one of the entries in the assetroot/dbpaths.list
file). See --list
command option to find databases stored within the mock asset root.
--list assetroot
Optional. List all dbpaths currently in disconnected asset root
gedisconnectedpublish
geserveradmin --publishdb
gedisconnectedpublish [db_alias] db_name
Purpose
To publish a database on a disconnected server.
Example
gedisconnectedpublish MyPOIs
Commands
db_alias
Optional. Since db_name is the “low-level” name of the database, db_alias allows you to enter a name that is easier to remember, for example, Databases/SF Highways.kdabase?ver=1
.
db_name
Required. The full, “low-level” name of the database you want to publish.
gedisconnectedreceive
gedisconnectedreceive
is required only when the disconnected database was sent with an older (pre 4.0) version of Fusion.
gedisconnectedreceive --input dirname
Purpose
To copy a disconnected database from either detachable media or local storage into the mock asset root.
Example
For detachable media:
gedisconnectedreceive --input /mnt/usbdrive/SFHighways_3dDatabase_v20
For local storage:
gedisconnectedreceive --input
/gevol/src/disconnected_databases/SFHighways_3dDatabase_v20
Commands
--input dirname
Required. Specify the directory that contains the files to be copied. This is typically the mount point of a hard drive.
Notes:
The gedisconnectedreceive
command will create an asset tree that mirrors the asset tree of the Fusion system that built the database.
The gedisconnectedreceive
command will copy data to the mock asset root if the input folder is on a separate volume than the mock asset root. Links to the input folder to the mock asset root will be created if both the input and mock asset root folders on the same volume.
gedisconnectedsend
gedisconnectedsend [--extra filename] [--havepath dbpath] [--havepathfile file]
--output dirname [--sendpath dbpath] [--sendver dbver]
Purpose
To gather all the files from a Fusion asset root necessary for a disconnected push/publish, for either publishing new databases or publishing "delta" updates.
Example
gedisconnectedsend --sendver Databases/SFHighways.kdatabase?version=2
--output /gevol/src/disconnected_databases/SFHighways_3dDatabase_v2
Commands
--extra filename
Optional. Specify an extra file to package. This is typically used to repair broken files.
--havepath dbpath
Optional. Specify which database path already exists on the target server. This must be a low-level path to a database directory and may be specified more than once.
--havepathfile file
Optional. Specify the file that contains the list of existing database paths (copy of assetroot/dbpaths.list
from the remote server).
--output dirname
Required. Specify where to gather the files. The directory must already exists and be empty. This is typically the mount point of a hard drive.
--sendpath dbpath
Optional. Specify which database path to send. This must be a low-level path to a database directory. You can determine this path by entering gequery --outfiles
dbver on the source server.
--sendver dbver
Optional. Specify which database version to send. Use the ?version=...
syntax. Available database versions may be found with the gequery --versions
command.
genewmapdatabase
genewmapdatabase [--mercator | --flat] ] -o databasename [--imagery imagery project] [--map imap project]
...
Purpose
Creates a new 2D map database. If an imagery or map project is specified, it is added to the database. Flat or mercator databases can be created. Mercator databases can use either mercator or flat imagery projects, with mercator projects given priority if there is a naming collision. Flat databases can only use flat imagery projects.
Commands
--mercator
Optional. Uses Mercator map projection.
--flat
Default. Uses Flat map (Plate Carrée) projection.
--imagery imagery project
Optional. The imagery project to be added to the database. If the database is mercator, the imagery project can be flat or mercator, with mercator being given priority during naming collisions. If the database is flat, the imagery project must be flat.
--map map project
Optional. The map project to be added to the database.
gepublishdatabase
Deprecated in GEE 4.0.
Use geserveradmin
to push and publish databases or use the Fusion GUI and GEE Server.
geselectassetroot
geselectassetroot [--lock] [--noprompt] [--unlock]
( [--assetroot path [--role {master | slave}] [--numcpus num]] )
Purpose
To perform a variety of operations related to existing asset roots on the current machine.
Example
geselectassetroot --list
geselectassetroot --lock
geselectassetroot --unlock
geselectassetroot --assetroot /gevol/assets
geselectassetroot --assetroot /gevol/assets --role slave --numcpus 3
Options
--assetroot <dir>
Path to the asset root. --assetroot
is shown in the commands below as mandatory or optional. If optional, then the current asset root is used if it is not specified.
--noprompt
Do not prompt for more information,returns -1 to indicate an error if command fails or has insufficient arguments.>/p>
Commands
--list
Optional. Displays a list of the known asset roots on this machine.
--lock
Optional. Disables the ability to select a different asset root on this machine.
--noprompt
Optional. Perform the command without prompting the user for any input. This option requires that some commands have arguments specified on the command line.
--unlock
Optional. Enables the ability to select a different asset root on this machine. (Use only if --lock
is enabled.)
--assetroot path
Optional. Specify the path to the asset root for this machine.
--role {master | slave}
Optional. Specify this machine's role in the asset root (master or slave). The default role is master. This command is available only in combination with --assetroot
.
--numcpus num
Optional. Specify the number of CPUs on this machine to use for processing. The default will be the maximum number of CPUs detected on the machine during installation. This command is available only in combination with --assetroot
.
geselectpublishroot
geselectpublishroot path
Purpose
To specify a different publish root. The specified path must exist. If you want to create a publish root, see geconfigurepublishroot
.
Example
geselectpublishroot /gevol/published_dbs
Arguments
path
Required. Specify the path to the desired publish root.
geserveradmin
geserveradmin [options] commands
Purpose
To configure your Google Earth Enterprise Server. This section breaks down the geserveradmin
commands into the following categories:
- Options
- Database
- Virtual host
- Admin
All of the commands of each type are described below. At least one command is required.
Examples
geserveradmin --listdbs
geserveradmin --server_type stream --dbdetails “/gevol/assets/Databases/SF Neighborhoods.kdatabase/gedb.kda/ver001/gedb”
geserveradmin --addvh my_public_vh --vhurl http://myserver.com/public_vh
geserveradmin --deletevh my_public_vh
geserveradmin --deletedb
geserveradmin --garbagecollect
geserveradmin command options
Fusion host name
--fusion_host
Optional. Fusion host name. Defaults to the current host name.
Stream server URL
--stream_server_url url
Optional. Specify a stream server other than the default. Defaults to the current server.
--search_server_url url
Server type
--server_type {stream | search}
Optional. Specify whether the server(s) in question are stream
or search
server(s). The default is stream
. This option is required with the listdbs
, dbdetails
, and garbagecollect
commands.
geserveradmin Database Commands
Each of the database commands is listed below, along with its syntax, description, and options. If the name of the database contains one or more spaces, double quote the entire path. (See the examples above.)
List registered databases
--listdbs [--portable]
Lists all databases registered on the server. If --portable
is specified, only portable databases are listed.
Database file list
--dbdetails db_name
Provides a list of all of the files required by the specified database. If omitted, the server type defaults to stream
.
List published databases
--publisheddbs [--portable]
Lists the database(s) currently published on the server. If --portable
is specified, only portable databases are listed.
List target paths
--listtgs
Lists all the target paths currently serving databases on the server.
Add database
--adddb db_name [--dbalias alias]
Registers a new database with the specified name.
| --adddb option | Required/Optional | Description |
|---|---|---|
|
Optional | Specifies a user-friendly name for the database. |
Delete database
--deletedb db_name
Deletes the specified database entry from the server. Does not delete the actual files. (This command is similar to putting files in the trash on a Windows or Macintosh desktop. See also --garbagecollect
.)
Note: If you want to delete a currently published database, you first need to unpublish.(See also --unpublish
.) To list the currently published databases, use the --publisheddbs
option. (See also --deletevh
.)
Push databases
--pushdb db_name... [--force_copy]
Pushes one or more databases to the server. For example, --pushdb db1 --pushdb db2
| --pushdb option | Required/Optional | Description |
|---|---|---|
|
Optional | Copies database files while pushing/publishing, otherwise creates a hard/symbolic link when server settings allow. To allow symbolic links, specify using geconfigurepublishroot : sudo /opt/google/bin/geconfigurepublishroot -path=/gevol/published_dbs -allow_symlinks. |
Publish database
--publishdb db_name --targetpath target_path [--vhname vh_name] [--setecdefault] [--enable_poisearch [--enable_enhancedsearch]]
Publish the specified database on the specified target path. If the virtual host name is omitted, it publishes to the default virtual host: "public".
| --publishdb Option | Required/Optional | Description |
|---|---|---|
|
Required | Specifies the target path on which to publish. |
|
Optional | Specify the name of the virtual host. If the virtual host name is omitted, it publishes to the default virtual host: "public". |
|
Optional | Publish this database as the default one for the Earth Client to connect to if no database or virtual host is specified upon initial connection. |
|
Optional | Enable Point of Interest search if database contains POI data. |
|
Optional | If POI search is enabled, enable enhanced search. |
Unpublish database
--unpublish target_path
Unpublish database served from specified target path. For example, to unpublih a target path /test
: geserveradmin --unpublish /test
geserveradmin Virtual Host Commands
Each of the virtual host (VH) commands is listed below, along with its syntax, description, and options.
Caution: Publishing to virtual hosts other than the default server is supported only in version 4.2 or later of Google Earth EC. If you are using version 4.0 or earlier, only databases that you publish to the default server can be accessed by Google Earth EC.
List virtual hosts
--listvhs
Provides a list of all registered virtual hosts configured for the current machine.
List virtual host information
--vhdetails vh_name
Displays the name, URL, and cache level of the specified virtual host.
Add virtual hosts
--addvh vh_name [--vhurl url] [--vhcachelevel level] [--ssl]
Registers a new virtual host with the specified name. Spaces are not allowed in the virtual host name. For example:
geserveradmin --addvh public_vh --vhurl http://mysite.com/public_vh
| --addvh option | Required/Optional | Description |
|---|---|---|
|
Optional | The vhurl specifies the location of the virtual host. It must match the corresponding server-side virtual host configuration. If vhurl is omitted, it will be set to http://yourserver.domain/vh_name .
There are three ways to specify the
For this type of specification, you must modify your DNS appropriately for the virtual host. After you use this command, you must create a configuration file for the new virtual host. |
|
Optional | Specify a cache level (1 , 2 , or 3 ) for the virtual host. The default is 2 .
This cache is different than the client cache. This option caches only the index nodes at display levels 4, 8, and 12 (not data packets). If you increase this setting, Google Earth Enterprise Fusion caches more of the index in RAM, thereby decreasing server latency at the cost of server RAM. Level 3 uses approximately 1 GB of RAM. Level 2 uses approximately 4 MB of RAM. Level 1 uses approximately 16 KB of RAM. Each additional cache level consumes 256 times the RAM as the previous level and saves one disk read per packet served. The server makes no checks that the RAM needed for caching does not exceed the total RAM on the machine. For example, if you have three virtual hosts set to cache at level 3 on a machine that has only 2 GB of RAM, the machine will thrash memory. The default is Level 2, so you should be able to create as many virtual hosts as you want at the default cache level without worrying about running out of RAM. Typically, users increase only a small number of virtual hosts to cache level 3 on production servers and leave the rest of them at level 2. On servers that share a machine with Google Earth Enterprise Fusion, do not increase the level to 3. Google Earth Enterprise Fusion needs more RAM than the server does. |
|
Optional | Create a location-based virtual host with SSL configuration with the naming convention _host.location_ssl located in the path
. For detailed information about ensuring your Apache HTTP server configuration files are set up correctly, see Configure GEE Server 5.1.0 for SSL/HTTPS. |
Delete virtual hosts
--deletevh vh_name
Permanently deletes the specified virtual host.
Note: If you want to delete a virtual host, you must first unpublish all currently published databases associated with it. To list the currently published databases for the virtual host you want to delete, use the --publisheddbs
option. (See also --unpublish
.)
geserveradmin Admin Commands
Each of the admin commands is listed below, along with its syntax and description.
Delete database files
--garbagecollect
Permanently deletes the files for databases that have been selected for deletion. Generally, you run this command nightly to remove the files for databases that users have deleted to free up space on the storage device. (This command is similar to emptying the trash on a Windows or OS X operating system. See also --deletedb
.)
Note: Deletes only those files that are not used by other databases on that server.
Clean up portable globes and maps registration
--portable_cleanup
Clean up portable globes registration information. The cleanup unregisters/unpublishes portable globes or maps that have been removed from your /globes
directory. You should run --portable_cleanup
to clean portable registration information when portable files, which are currently published/registered, have been removed from your /globes
directory.
Note: The cleanup is not implemented when there are no portable globes or maps in the globes directory: /opt/google/gehttpd/htdocs/cutter/globes
.
getop
getop [--delay seconds]
Purpose
To display a list of what Google Earth Enterprise Fusion is currently working on and whether gesystemmanager
and geresourceprovider
are currently running.
Enter Ctrl-C to exit and return to the prompt.
Example
getop --delay 30
Commands
--delay seconds
Optional. Specify the number of seconds delay between refreshes. For example, if you specify 30
, getop
runs every 30 seconds. If you do not specify the delay, the display updates every five seconds.
geupgradeassetroot
geupgradeassetroot --assetroot path
[--noprompt]
Purpose
To upgrade an existing asset root after installing a later version of the software.
Note: You must run this command as root.
Note: You must stop the system manager before using this command and then start it again after you are done.
Example
geupgradeassetroot --assetroot /data1/assets
Commands
--assetroot path
Required. Specify the path to the asset root. If omitted, the asset root defaults to /gevol/assets
.
--noprompt
Optional. Perform the upgrade without prompting the user for any input. This option requires that some commands have arguments specified on the command line.
©2018 Google, 2018-2019 Open GEE Contributors


THE TAILOR OF PANAMA A film review by Christopher Null Copyright 2001 filmcritic.com filmcritic.com
Somebody told Pierce Brosnan to change his image.
In The Tailor of Panama -- based on John Le Carré's novel and directed by John Boorman (Beyond Rangoon, Zardoz) -- Brosnan trades in the sophistication of James Bond for the identity of crude, disgraced spy Andy Osnard, an MI-6 operative that has to be shipped off to Panama on account of his loathsome behavior. Once he arrives in Panama City, the bad behavior doesn't stop: Osnard immediately sets upon the task of uncovering "what's going on" with the Panama Canal. Rumors swirl that it will be sold to another country now that Panama has it back from the U.S. Or perhaps there will be a coup from a populist underground?
Osnard's first task is to hook up with an informant, and he quickly ferrets out that Harry Pendel (Geoffrey Rush -- Shine, Quills) is not the mild-mannered expatriate tailor he pretends to be. Not only does he serve as the tailor for virtually everyone in Panamanian society (including the President), he also has a past that includes a stint in prison.
Stricken with financial troubles, Pendel uses Osnard as much as Osnard uses him. Andy pays the tailor for information gleaned from his government clients. Pendel, a peon in their eyes, simply makes stuff up in order to get the payoffs.
Of course, this spirals out of control until a real crisis develops -- but who knows how far it will go, all based on the lies of a lowly tailor?
To be honest, who cares? The outrageous and wholly unbelievable plot developments of The Tailor of Panama are hardly its selling points. Instead, it's fun to delight in the performance of Brosnan as a borderline bad guy -- an unrepentant lech who spews invective and innuendo at every turn. Rush's character, playing opposite him in virtually half the movie, blurts his responses out well enough so that he just about keeps pace with Osnard. Their interchanges are fun, and the opposite actors work well onscreen together.
Less interesting but also worthy are the supporting players, including Jamie Lee Curtis (somewhat miscast as Pendel's brazen wife), Catherine McCormack, and Brendan Gleeson -- all pawns in the various plots going on. Boorman's direction is vintage Boorman -- which is to say, there isn't much of it, but at least it doesn't get in the way.
The Tailor of Panama is hardly a great movie -- but maybe it's because it's just too soon for Noriega-era nostalgia. I mean, we're only on our second President Bush. But if it were 20 years later, or if the plot were a little more straightforward or if they picked up the pace, would it really have mattered? I doubt it; ultimately, The Tailor of Panama is no more unlikely a tale than your typical Bond movie -- it's just a lot less fun.

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