act | ASIO Cooperative Task for await-based coroutine | Android library
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ASIO Cooperative Task for await-based coroutine
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QUESTION
I've created a simple VBA interface to connect Excel to a MySQL DB. The VBA part acts as a preview of data for the user to choose what item he wants to import to the Excel sheet.
Until now I've work with a very complete set of data, but I got to a Table which (because of the nature of the items) some fields are NULL.
Now every time I try to check the values in the VBA I get the Run-time error 13 Type mismatch in the listview component. At first I though it was a field with DECIMAL typing, but after changing it to a DOUBLE (for testing) the problem persisted, and it was until I notice that if only checks columns with no NULL value, the problem disappears. Off course I can't omit this values.
I tried some .Tostring functions but with no success. And I failed to implement a IF to check for NULL in the obj.
This is my code:
...ANSWER
Answered 2021-Apr-13 at 10:28If you don't want to add a IsNull
-function in you SQL (as Nathan_Sav suggested as a comment): There is a IsNull
-function in VBA. With that, you can create a simple function that returns for example an empty string (or a 0 or whatever you prefer):
QUESTION
I am having an issue with a parameter and the convert function when executing my query in Report Builder. I am having the following in my code:
CONVERT(VARCHAR(11), COALESCE(Status.POBDate, Status.[Sched Collection Date]),(@DateFormat)) AS [Collection Date]
,CONVERT(VARCHAR(11), Status.[Act Del Date],(@DateFormat)) AS [Delivery Date]
The (@DateFormat) parametner has data type Integer and available values as per the bild below.
The funny thing is that I can run the query in SSMS without any problem, but when trying to apply some adjustments in Report Builder, and save the report, it is complaining about the invalind argument even though, the parament (@DateFormat) was not edited anyhow. The report worked perfect online and only after opening it in Report Builder it started to complain also when I do not apply any new adjustments.
Any idea what can be wrong and how I could solve it? I have checked some ideas here on stackoverflow, but nothing worked out so far.
Tones of thanks in advance!
...ANSWER
Answered 2021-Jun-15 at 10:44Your parameter type is text not integer and that causes the error.
You can verify it by casting the DateFormat parameter to INTEGER in your SQL code
QUESTION
My classes are Hooks for setup and test. I try to click on cookie pop-up, using WebdriverWait, but don't work. I have no idea why.
I am a beginner with selenium and automation testing and I am writing a selenium script using java, TestNG, and maven. When I write everything in one class, all works fine, but I want to have a package for all objects, a package for tests, and Hooks with the main setting.
...ANSWER
Answered 2021-Jun-06 at 12:31
public WebDriver driver;
This declares a field, named driver
. Not sure why you made it public.
WebDriver driver = new ChromeDriver();
This declares a local variable, also named driver
, which is completely unrelated to the field you declared. As all local variables go, it ceases to exist when the method you declared it in ends. Because it has the same name, referencing variable driver
in this method refers to the local variable and not the field.
All you really wanted was to make that second line:
QUESTION
We are programmatically creating PDF using our in house lib (C++) by adding all the required objects so that PDF readers can render them properly. Currently we are enhancing the lib to support digital signatures in PDF. Our users will use USB token or Windows certificates to sign the PDF. On studying raw PDF file with digital signature, we were able to make sense of all the objects except for the contents of Sig type object.
...ANSWER
Answered 2021-Jun-10 at 16:48Ok, the signature container is embedded correctly.
But there are issues with the signature container itself:
Both in the
SignedData.digestAlgorithms
collection and in theSignerInfo.digestAlgorithm
value you have used the OID of SHA1withRSA, but that is a full signature algorithm, not the mere digest algorithm SHA1 expected there.Then the SHA1 hash of the signed bytes is BB78A402F7A537A34D6892B83881266501A691A8 but the hash you signed is 90E28B8A0D8E48691DAFE2BA10A4761FFFDCCD3D. This might be because you hash buffer2 and
buffer2 has empty contents data (/Contents <>)
The hex string delimiters '<' and '>' also belong to the contents value and, therefore, must also be removed in buffer2.
Furthermore, your signature is very weak:
- It uses SHA1 as hash algorithm. SHA1 meanwhile has been recognized as too weak a hash algorithm for document signatures.
- It doesn't use signed attributes, neither the ESS signing certificate nor the algorithm identifier protection attribute. Many validation policies require such special attributes.
QUESTION
I am using the below query to GROUP BY "ReportingDate" but its not grouping the results.
...ANSWER
Answered 2021-Jun-14 at 23:58Consider below
QUESTION
I'm getting following error on some devices while opening url. I don't get any error on my devices but many devices are.
...ANSWER
Answered 2021-May-11 at 11:27A few notes on this issue:
Detecting non-browser apps as browsersThey query for browsers can detect non-browser applications, which will lead the an ActivityNotFoundException
when launching the Custom Tab. See this issue for an example.
When querying for packages that can handle browser intents, I recommend using the below:
QUESTION
I maintain a shared library that uses libtool
, runs (mostly) on Linux and spits out the following files.
ANSWER
Answered 2021-Jun-14 at 15:44However, binaries built against the new library will load and will then fail during runtime with an undefined symbol error if at runtime they enter a codepath that includes one of the new symbols not present in the old library.
TL;DR: I don't think there is a solution that will achieve desired result right now (unless you are already using versioned symbols), but you can make it a bit better now, and can fix it completely for the next time.
This is a problem that is that solved by the GNU symbol version extension.
It's probably best to have an example. Initial setup:
QUESTION
I am trying to get my robot to communicate with my PC via sockets by using local IP addresses on my own home network (not devices outside my network). The robot is acting as the server and my own PC is acting as the client/host. I don't really know what ports are open on my robot but I do definitely know that port 22 on the robot is open (which is the SSH port). The robot is a lego EV3 robot apart from it has had some ev3python software put onto it. When I run my program I am getting the following error on the server (my robot):
...ANSWER
Answered 2021-Jun-14 at 12:24hostIPAddress = "xx.xx.xx.xx" #the local IP address of my PC on my home network
backlog = 1
size = 1024
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((hostIPAddress,22))#22 is the port number I am using. (THIS IS ALSO THE LINE WHERE THE ERROR IS COMING FROM)
s.listen(backlog)
QUESTION
so basically I've been experimenting with CSS recently and I came across something which looked seemed new to me. I usually use units such as em, or px when setting the padding of an element but this time I tried using percentages and to my surprise it worked very differently than the other units.
So I set up three different situations:
...ANSWER
Answered 2021-Jun-13 at 19:14If you specify the width of a div as a percentage, it refers to the percentage of the divs parent's computed width, when you specify viewport it refers to percentage of the window screen. Pixels on other-hand are absolute unit they are not relative like percentage. That is the primary reason percentage acts differently with flexbox and not just flexbox but with everything. See some of this articles for reference: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Values_and_Units https://developer.mozilla.org/en-US/docs/Web/CSS/percentage
QUESTION
Why does this procedure return NULL when count
and sum
are both 0?
ANSWER
Answered 2021-Jun-13 at 18:31If there is nothing in the table then you have no rows. In that case, the SUM()
returns NULL
, not 0
.
If you want an error to occur, then replace it with a value:
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