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How do I store data to be used for all the clients in my server? (like the messages of a chat)
The server that node.js allows you to build, is an application server, which means that state is preserved, between request, on the server side. The following snippet demonstrates this:
var sys = require('sys'),
http = require('http');
var number = 0;
http.createServer(function (req, res) {
console.log(req.method, req.url);
res.writeHead(200, {'Content-Type': 'text/html'});
res.write('<h1>Number is: ' + number + '</h1>');
res.end();
number++;
}).listen(8000);
sys.puts('Server running at http://127.0.0.1:8000/');
node-cache package is currently the best for key value store and it allows synchronous as well as async storage/retrieval/deletion of keys.
npm link
If you want more features have a look at redis-node-client
Or use a native node storage mechanism (written in node.js)
http://github.com/felixge/node-dirty
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I am implementing spring security with the existing LDAP where the password are SSHA512 encoded. The deprecated LdapShaEncoder supports only {SHA} and {SSHA}.
Can anyone help me implement a java SSHA512 encoder along with Spring security. Or Are there any libraries which can do the job?
import org.springframework.security.crypto.password.LdapShaPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
#Bean
public PasswordEncoder passwordEncoder() {
return new LdapShaPasswordEncoder();
}
Exception:
java.lang.IllegalArgumentException: Unsupported password prefix '{SSHA512}'
at org.springframework.security.crypto.password.LdapShaPasswordEncoder.matches(LdapShaPasswordEncoder.java:173) ~[spring-security-core-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.security.crypto.password.LdapShaPasswordEncoder.matches(LdapShaPasswordEncoder.java:158) ~[spring-security-core-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.security.authentication.dao.DaoAuthenticationProvider.additionalAuthenticationChecks(DaoAuthenticationProvider.java:90) ~[spring-security-core-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.security.authentication.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:166) ~[spring-security-core-5.1.3.RELEASE.jar:5.1.3.RELEASE]
Have a look here: https://github.com/lathspell/java_test/tree/master/java_test_openldap
I basically just exchanged the SHA by SHA-512 in MessageDigest.getInstance() and adjusted the prefix and length constants.
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I need help...My problem is:
Page source:
<select name="year" id="year" class="form-control select-inline">
<option>1990</option>
<option>1991</option>
<option>1992</option>
<option>1193</option>
</select>
In delphi 7, use:
WebBrowser1.OleObject.Document.All.Item('year', 0).value := '1990';
But form site continue in blank...Help me please
TWebBrowser is just a wrapper for the Internet Explorer ActiveX control, so this is really an IE DOM issue, not a Delphi issue.
Try setting the select element's selectedIndex property instead of its value property:
WebBrowser1.OleObject.Document.All.Item('year', 0).selectedIndex := 0;
The value property is what gets transmitted to the server, but only of there is an item selected to begin with.
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I need to make xml file which looks like this:
> <message xmlns="client"
> from="from_user" to="To_user"
> type="chat"><properties
> xmlns="#"http://software""><property><name>assetId</name><value
> type="string">5346879f73322e08db030000</value></property><property><name>status</name><value
> type="string">success</value></property><property><name>long</name><value
> type="double">22.3451</value></property>
> <property><name>lan</name><value type="double">3456</value></property>
> </properties></message>
I don't know how to do it. Could you help me?
Either create it in Notepad or learn XSD and generate it.
Check this
http://www.w3schools.com/xml/default.ASP
and when you are done, learn this:
http://www.w3schools.com/Schema/
you may Create it this way
NSString *str = [NSString stringWithString:#"<message xmlns=\"client\"from=\"from_user\" to=\"To_user\" type=\"chat\"><properties xmlns=\"#\"http://software\"\"><property><name>assetId</name><value type=\"string\">5346879f73322e08db030000</value></property><property><name>status</name><value type=\"string\">success</value></property><property><name>long</name><value type=\"double\">22.3451</value></property> <property><name>lan</name><value type=\"double\">3456</value></property> </properties></message>"];
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i have stored procedure sp_1 in server_A .i am calling this SP from Server_B
the code is:exec Server_A.MyDb.dbo.SP_1 in the body of sp i have complicted logic in the final step I insert result to Table_A.
running sp take 10 minute and return 'command complete successfully' but tabe_A is Empty (must be filled).
i try to execute the body of script it work properly .and tble Fill as expect.
i do'nt know what is wrong...?
i try to execute sp_1 from Another server 'server_c' server_d it work fine.
problem is with server_B
i found the anwser the problem is with Remote Query Timeout set to 600 sec
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I'm attempting to use the heroku.api. because the heroku gem has been depreciated.
What I've found is a convoluted dogs breakfast.
Get the api gem, validate the key on one site, use a curl command on another site. Then call the methods..
My app is running on heroku. I suspect it knows this.. Why make me jump through hoops to us something on their system designed by them/for them.
Anyway..
Does anyone know of a tutorial on how to do something with this API? Like getting the stack I'm on (in code) or getting the number of workers/dyno's I've got running? Really anything that works... just so I can see how to get it working
OK, so first thing: the heroku gem is deprecated, but the heroku toolbelt works in a nearly identical fashion. There's no NEED to transition to direct API calls unless you were doing that programmatically in your application. If you were doing that, read on:
Use the heroku-api wrapper.
gem install heroku-api
Get your API_KEY from https://dashboard.heroku.com/account
If you want to get the stack of the app named "your-app-here"
require 'heroku-api'
heroku = Heroku::API.new(:api_key => YOUR_API_KEY)
puts heroku.get_app('your-app-here').body["stack"]
Or tell how many processes you currently have:
total_processes = heroku.get_ps('your-app-here').body.count
Scale to 2 web processes:
heroku.post_ps_scale('your-app-here', 'web', '2')
All the info you need: https://github.com/heroku/heroku.rb
Maybe I misunderstood what you are trying to do, but I did the following based on their documentation.
curl -H "Accept: application/json" -u :SECRET -X GET https://api.heroku.com/apps
https://api-docs.heroku.com/apps
This will return a json object:
[
{
"id": 000000,
"name": "example",
"create_status": "complete",
"created_at": "2011/01/01 00:00:00 -0700",
"stack": "bamboo-ree-1.8.7",
"requested_stack": null,
"repo_migrate_status": "complete",
"slug_size": 1000000,
"repo_size": 1000000,
"dynos": 1,
"workers": 0
}
]