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QUESTION
R 4.1.0 famously introduced the |> ("base pipe") operator and Haskell-like lambda function syntax.
I thought it would be possible to combine the two like this:
...ANSWER
Answered 2021-May-20 at 23:57That's the limitation of native pipe. You just include () after the function name, this is different from magrittr.
QUESTION
When looking at the p4 trigger document, I can't find a trigger for when a client locks (checks out) and unlocks (reverts) a file. Is there anything similar to the change-content trigger but at the aforementioned stage?
My goal is to setup notifications of client activities using webhooks. I've also looked into p4review.py and it also doesn't look like it triggers on check out/check in. Thanks in advance.
...ANSWER
Answered 2021-May-26 at 17:29You can run triggers on arbitrary commands via pre/post-user- triggers:
https://www.perforce.com/manuals/v16.2/p4sag/chapter.scripting.html#scripting.triggers.order
Note that these are executed at the level of individual commands (e.g. p4 lock, p4 revert) and not at the level of specific file actions (e.g. locking a file or unlocking a file), so using command triggers to capture specific changes in file state is not as simple as using submit triggers to capture submits.
To take the specific example of locking a file (which is a subset of opening or "checking out" a file), a file may be locked when:
- the user runs
p4 lock(explicitly locking an open file) - the user runs
p4 submit(which automatically locks the files at the start)
The file may be unlocked when:
- the user runs
p4 unlock(unlocking the file but leaving it open) - the user runs
p4 revert - the user runs
p4 submit(which unlocks the files once submit is successful)
There are also "exclusive open" (+l) files to consider, which constitute a different type of lock (preventing other opens rather than other submits).
Another strategy entirely for detecting changes in file lock status might be to scrape the journal file for updates to the db.locks table. Tailing the journal is a little more involved than setting up a trigger, and requires you to have a solid understanding of Perforce's database schema, but if you're able to clear those hurdles it has the advantage of giving you a single source of truth to monitor rather than having to reverse-engineer a bunch of different commands.
QUESTION
Discovering late (used to define classes instead) TUPLES and looking through the documentation I was wondering if there is a mechanism to get the right type of a given TUPLE.
The goal is both anchoring its types and avoid having to test its type before getting an item.
Is there a language mechanism?
I also found few documentation about them, maybe I'm not looking at the right place.
For the following code I'd like to tell like tuple_items.types[1] and tuple_items.typed_item (1)
ANSWER
Answered 2021-Jan-22 at 12:57A named tuple enables accessing the tuple items by name:
QUESTION
I am working in this issue since 2 weeks without any result. Do someone know how to manage with lipq with blobs or bytea without losing format and any data? The exported file size is 0B, I can not understand the steps I must follow to upload a file to a postgreSQL database from C and pick it again with the correct format and features. Any help will be great. I tryed near every example and theory on the net, even PG documents and manuals, no way. I am close to quit programing and go farmer (not jocking xD). Thank you in advance.
After code modifications, I pick a file 59bytes higher than the file uploaded as large object. Feeling I am closer but changing my mind about using Large Objects.
...ANSWER
Answered 2021-May-20 at 14:47Like the documentation says:
The descriptor is only valid for the duration of the current transaction.
So you must call lo_open and lo_read in the same transaction.
Do not use large objects. They are slow, complicated to use and give you all kinds of serious trouble (for example, if you have many of them). Use bytea, then your code will become much simpler.
QUESTION
Showing the general setup of the scene and where the sprite is
the sprite is "behind" the background but the Z-value should be correct
I have tried solutions such as changing the render mode of the canvas; the different options do not work and "World Space" turns the game view into the default background color. I could not figure this out after a day of reading up manuals/guides and looking at other questions. Thank you for helping me!
...ANSWER
Answered 2021-May-24 at 04:34The issue is you are trying to use a SpriteRenderer on a Canvas object. Remove the SpriteRenderer and either use an Image or RawImage component instead.
Another note regarding UI that you will inevitably run into is unless specified otherwise, objects further down in a Canvas hierarchy will render on top of those above it.
I would also avoid changing the z-axis on all of your objects. Make Canvas groups that have different sorting layers to render groups on top of one another. Place objects in a specific order in the hierarchy to get the draw order you desire. Messing with the z-axis in a 2D scene can be a headache down the line and is not very modular. If you want to change sort order later, the specific z offset you set to each object will need to change.
QUESTION
I'm trying to program a really simple code as I'm starting in Python. The problem I have is that I'm trying to loop a while if the input has no the admitted answers. What I want from my program is that depending on a "Yes / No" answer print a line. For example if you answer in an input with Yes, print Ok. If you answer with No - Ok, you said No. And if you answer with any other answer it come back to the input again. I've tried with getting the while in a function and then placing a return after the option that isn't Yes or No (I mean any other that isn't Yes or no) but it doesn't work, it doesn't even print the thrid option (the option that tells you not to use any other word that isn't yes or no). I've been trying to solve by myself this doubt reading manuals and other posts from here, but I just can't figure out what I'm doing wrong. Thanks!
Here is my code:
ANSWER
Answered 2021-Mar-11 at 15:59The Return command will only work in a function.
According to the docs:
QUESTION
My goal: Install karambola on my Windows 10 maschine.
To install karambola I need the make command, which was never found with any programm. The only thing that worked was using GnuWin32 (when I was in the karambola directory):
...ANSWER
Answered 2021-May-18 at 09:58Whatever distribution you are trying to use (Cygwin, Mingw, Linux Debian, Fedora..) some programs are NOT installed by default. As not anyone is a C++ programmer, you need to install/add the dedicated packages that contails the tools, compiler, header, libraries you need for your task.
For example Cygwin has almost 10000 packages:
https://cygwin.com/packages/package_list.html
So you need make, g++ and at least the gsl development package.
Use cygcheck -p to find the package that contains the program:
QUESTION
I've been using Java to make my own discord bot for a while, and all of a sudden I can't run the code anymore.
The code compiles without any problem, but when I try to run it I get this error:
...ANSWER
Answered 2021-May-12 at 06:39The cause of this weird exit code was my code itself, in which I had a call to
QUESTION
I have created a custom Typo3 v9.5.26 extension using the Extension Builder extension.
My extension resides in typo3conf/ext/xyz_sortitems and sorts items.
An item has the attributes itemid, name, date and amount.
My ext_localconf.php looks like this:
...ANSWER
Answered 2021-May-09 at 12:21Based on your question this are the explanations of the values.
QUESTION
A lot of manuals say that canonical way to store resources is under resources folder in a project. The problem is that after assembling a project all of the resources are getting inside JAR. In my case resources are SQL scripts and I would like avoid assembling a new JAR if any SQL script changes. So I wish to supply resources in addition to JAR file. It will be tricky to access those files using typical methods for resources so the only way I can think of is considering them just as regular files in the file system (not resources as such).
Is is the right way to move forward? What are the possible alternative solutions.
...ANSWER
Answered 2021-May-06 at 23:51It's possible to use SQL scripts as resources and ship them in a separate folder instead of JAR but probably it does not make sense. Since in such case it's much more reasonable to siply use files in the file system.
If, however, someone wants to do this trick then you need to
- Add that folder into CP so that you can access files as resources
https://www.scala-sbt.org/1.x/docs/Classpaths.html
https://docs.huihoo.com/sbt/0.12.4/Detailed-Topics/Classpaths.html
- Exclude resources from JAR
sbt-assembly: How do I exclude the configuration files in src/main/resources
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