What is the message identifier in a FileInput node? Or.. is there any way to get a unique identifier after a file is read?
When we use the MQInput node the MQMD is used to get the MsgId, but here I don't know how to get this property, if there is one. I have tried adding a MQ Header next to the InputFile node to add a message Id (MsgId = MQMI_NONE), but always get 0000..., in other words.. it does not generate a new MsgId.
Any help is very appreciated.
Finally I did it using the UUIDASCHAR function in a Compute Node:
DECLARE MsgId CHAR;
SET MsgId = UUIDASCHAR;
It is not a FileInput specific property, but it works for the purpose of creating a unique identifier to the message flow.
Related
Is there any way to change token label using C_SetAttributeValue? what template is being used to change token name as I tried with below function got error iaik.pkcs.pkcs11.wrapper.PKCS11Exception: CKR_TEMPLATE_INCOMPLETE
token = getToken();
CK_ATTRIBUTE[] attrs = new CK_ATTRIBUTE[2];
attrs[0] = new CK_ATTRIBUTE();
attrs[0].type = PKCS11Constants.CKA_LABEL;
attrs[0].pValue = label.toCharArray();
attrs[1] = new CK_ATTRIBUTE();
attrs[1].type = PKCS11Constants.CKA_ID;
attrs[1].pValue = label.toCharArray();
token.getSlot().getModule().getPKCS11Module().C_SetAttributeValue(
session.getSessionHandle(), token.getSlot().getSlotID(), attrs, true);
Hello on StackOverflow!
Have a look at C_SetAttributeValue definition:
CK_DEFINE_FUNCTION(CK_RV, C_SetAttributeValue)(
CK_SESSION_HANDLE hSession,
CK_OBJECT_HANDLE hObject,
CK_ATTRIBUTE_PTR pTemplate,
CK_ULONG ulCount
);
The second parameter is the Object ID, not the slot ID.
Please refer to your library's manufacturer documentation for extensions to PKCS#11 that allow to set token label.
C_SetAttributeValue is categorized as an object-management function. More precisely, the cryptoki function C_SetAttributeValue is used to modify or set an attribute value of an object (not token). If you use a standard PKCS#11 library, you should use C_initToken to change or set the token label.
Please note that a company may provide some non-standard functions for its own products. Thus, it might be also a non-standard function or extension in a specific product that helps you to change the token label.
With the new Firebase API you can upload files into cloud storage from client code. The examples assume the file name is known or static during upload:
// Create a root reference
var storageRef = firebase.storage().ref();
// Create a reference to 'mountains.jpg'
var mountainsRef = storageRef.child('mountains.jpg');
// Create a reference to 'images/mountains.jpg'
var mountainImagesRef = storageRef.child('images/mountains.jpg');
or
// File or Blob, assume the file is called rivers.jpg
var file = ...
// Upload the file to the path 'images/rivers.jpg'
// We can use the 'name' property on the File API to get our file name
var uploadTask = storageRef.child('images/' + file.name).put(file);
With users uploading their own files, name conflicts are going to be an issue. How can you have Firebase create a filename instead of defining it yourself? Is there something like the push() feature in the database for creating unique storage references?
Firebase Storage Product Manager here:
TL;DR: Use a UUID generator (in Android (UUID) and iOS (NSUUID) they are built in, in JS you can use something like this: Create GUID / UUID in JavaScript?), then append the file extension if you want to preserve it (split the file.name on '.' and get the last segment)
We didn't know which version of unique files developers would want (see below), since there are many, many use cases for this, so we decided to leave the choice up to developers.
images/uuid/image.png // option 1: clean name, under a UUID "folder"
image/uuid.png // option 2: unique name, same extension
images/uuid // option 3: no extension
It seems to me like this would be a reasonable thing to explain in our documentation though, so I'll file a bug internally to document it :)
This is the solution for people using dart
Generate the current date and time stamp using:-
var time = DateTime.now().millisecondsSinceEpoch.toString();
Now upload the file to the firebase storage using:-
await FirebaseStorage.instance.ref('images/$time.png').putFile(yourfile);
You can even get the downloadable url using:-
var url = await FirebaseStorage.instance.ref('images/$time.png').getDownloadURL();
First install uuid - npm i uuid
Then define the file reference like this
import { v4 as uuidv4 } from "uuid";
const fileRef = storageRef.child(
`${uuidv4()}-${Put your file or image name here}`
);
After that, upload with the file with the fileRef
fileRef.put(Your file)
In Android (Kotlin) I solved by combining the user UID with the milliseconds since 1970:
val ref = storage.reference.child("images/${auth.currentUser!!.uid}-${System.currentTimeMillis()}")
code below is combination of file structure in answer from #Mike McDonald , current date time stamp in answer from # Aman Kumar Singh , user uid in answer from #Damien : i think it provides unique id, while making the firebase storage screen more readable.
Reference ref = firebaseStorage
.ref()
.child('videos')
.child(authController.user.uid)
.child(DateTime.now().millisecondsSinceEpoch.toString());
Im writing and ejabberd module that checks if the user exists to do something, im using ejabberd_auth_external:is_user_exists("USER", "HOST") to achieve that however i don't have the USER but the full JID in the form of USER#HOST/RESOURCE, is there any way to get the USER out of that string
The typical way in ejabberd to do this is using jlib:string_to_jid/1 function:
-include("jlib.hrl").
...
case jlib:string_to_jid(String) of
#jid{luser = LUser, lserver = LServer} ->
ejabberd_auth:is_user_exists(LUser, LServer);
error ->
false
end.
Also, don't use functions from ejabberd_auth_external module directly. Use ejabberd_auth instead.
You can use function string:tokens/2 with separator "#" and the first element of returned list will be user name:
JID = "user.name#host/resource".
[User|_] = string:tokens(JID, "#").
I have a set of data that I need to store at design-time to construct the contents of a group of components at run-time.
Something like this:
type
TVulnerabilityData = record
Vulnerability: TVulnerability;
Name: string;
Description: string;
ErrorMessage: string;
end;
What's the best way of storing this data at design-time for later retrieval at run-time? I'll have about 20 records for which I know all the contents of each "record" but I'm stuck on what's the best way of storing the data.
The only semi-elegant idea I've come up with is "construct" each record on the unit's initialization like this:
var
VulnerabilityData: array[Low(TVulnerability)..High(TVulnerability)] of TVulnerabilityData;
....
initialization
VulnerabilityData[0].Vulnerability := vVulnerability1;
VulnerabilityData[0].Name := 'Name of Vulnerability1';
VulnerabilityData[0].Description := 'Description of Vulnerability1';
VulnerabilityData[0].ErrorMessage := 'Error Message of Vulnerability1';
VulnerabilityData[1]......
.....
VulnerabilityData[20]......
Is there a better and/or more elegant solution than this?
Thanks for reading and for any insights you might provide.
You can also declare your array as consts and initialize it...
const
VulnerabilityData: array[Low(TVulnerability)..High(TVulnerability)] of TVulnerabilityData =
(
(Vulnerability : vVulnerability1; Name : Name1; Description : Description1; ErrorMessage : ErrorMessage1),
(Vulnerability : vVulnerability2; Name : Name2; Description : Description2; ErrorMessage : ErrorMessage2),
[...]
(Vulnerability : vVulnerabilityX; Name : NameX; Description : DescriptionX; ErrorMessage : ErrorMessageX)
)
);
I don't have an IDE on this computer to double check the syntax... might be a comma or two missing. But this is how you should do it I think.
not an answer but may be a clue: design-time controls can have images and other binary data associated with it, why not write your data to a resource file and read from there? iterating of course, to make it simpler, extensible and more elegant
The typical way would be a file, either properties style (a=b\n on each line) cdf, xml, yaml (preferred if you have a parser for it) or a database.
If you must specify it in code as in your example, you should start by putting it in something you can parse into a simple format then iterate over it. For instance, in Java I'd instantiate an array:
String[] vals=new String[]{
"Name of Vulnerability1", "Description of Vulnerability1", "Error Message of Vulnerability1",
"Name of Vulnerability2", ...
}
This puts all your data into one place and the loop that reads it can easily be changed to read it from a file.
I use this pattern all the time to create menus and for other string-intensive initialization.
Don't forget that you can throw some logic in there too! For instance, with menus I will sometimes create them using data like this:
"^File", "Open", "Close", "^Edit", "Copy", "Paste"
As I'm reading this in I scan for the ^ which tells the code to make this entry a top level item. I also use "+Item" to create a sub-group and "-Item" to go back up to the previous group.
Since you are completely specifying the format you can add power later. For instance, if you coded menus using the above system, you might decide at first that you could use the first letter of each item as an accelerator key. Later you find out that File/Close conflicts with another "C" item, you can just change the protocol to allow "Close*e" to specify that E should be the accelerator. You could even include ctrl-x with a different character. (If you do shorthand data entry tricks like this, document it with comments!)
Don't be afraid to write little tools like this, in the long run they will help you immensely, and I can turn out a parser like this and copy/paste the values into my code faster than you can mold a text file to fit your example.
I want to define a large record using a composite of smaller records, in an attempt to make the declaration more readable.
I'm trying to do something like this:
-record(molly, {xx=0, yy=1}).
-record(harry, {#molly, zz=2}.
The above of course does not compile :-(
Is there some way to do this ??
Finally found the answer in a tutorial.....
-record(name, {first = "Robert", last = "Ericsson"}).
-record(person, {name = #name{}, phone}).
Thanks ...
Yes, there is -- wxErlang uses this a lot for event messages. The use syntax looks like
#wx{id=1, event=#wxCommand{}}
where the event field of the outer record is set to an empty wxCommand.
The corresponding declaration is
%% #type wx() = #wx{id=integer(), obj=wx:wxObject(), userData=term(), event=Rec}. Rec is a event record.
-record(wx, {id, %% Integer Identity of object.
obj, %% Object reference that was used in the connect call.
userData, %% User data specified in the connect call.
event}).%% The event record