attempt | Tools for defensive programming in R
kandi X-RAY | attempt Summary
kandi X-RAY | attempt Summary
Tools for defensive programming, inspired by {purrr} mappers and based on {rlang}. {attempt} is designed to handle the cases when something / someone attempts to do something it shouldn’t. {attempt} provides several condition handlers, from try catch to simple message printing. {attempt} only depends on {rlang}, and every function is design to be fast, making it easy to implement in other functions and packages.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of attempt
attempt Key Features
attempt Examples and Code Snippets
def _track_value(self, value, name):
"""Allows storage of non-trackable objects."""
try:
value = super(ListWrapper, self)._track_value(value=value, name=name)
except ValueError:
# Even if this value isn't trackable, we need to
public Promise fulfillInAsync(final Callable task, Executor executor) {
executor.execute(() -> {
try {
fulfill(task.call());
} catch (Exception ex) {
fulfillExceptionally(ex);
}
});
return this;
}
@PreUpdate
public void logUserUpdateAttempt() {
log.info("Attempting to update user: " + userName);
}
Community Discussions
Trending Discussions on attempt
QUESTION
I'm trying to remove an entry from the Caffeine cache manually. I have two attempts but I suspect that there are some problems with both of them:
This one seems like it could suffer from a race condition.
...ANSWER
Answered 2021-Jun-16 at 00:25You should use cache.asMap().remove(key)
as you suspected. The other call delegates to this, but does not return the value because that is not idiomatic for a cache.
The Cache
interface is opinionated for how one should commonly use a cache, while the asMap()
view is more raw to allow for advanced operations. For example, you generally wouldn't iterate over a cache (e.g. memcached doesn't allow this), but if you need to then the Map provides that support. All calls flow into the same backing structure, so there will be no inconsistency. The APIs merely try to nudge users towards best practices, but strive to not block a developer from getting their work done safely and correctly.
QUESTION
I have the wackiest bug. Like....the wackiest! If any of ya'll want to put eyes on this, awesomesauce! I really appriciate it! I am creating a survey with REACT, Redux, SQL, HML, Material-ui, and CSS.
I've created a graph of information with am4charts using data from a database. Everything is working and will show up on the page......but not on page load. What I am seeing in my console is that the page will load, it fires off my get request but doesn't return with the data fast enough (I think). By the time that the get request loads, my graph has populated with no data.
Here is the code that I have for the page that I am rendering. What is really odd is that, once my code has run, I can cut a line of code (I've been using a console log). And then the graph will render and load.
...ANSWER
Answered 2021-Jun-15 at 22:40Can you try this fix? I created new functions for some tasks.
https://codesandbox.io/s/vigorous-varahamihira-6j588?file=/src/App.js
QUESTION
I'm currently using Winsock2 to be able to test a connection to multiple local telnet
servers, but if the server connection fails, the default Winsock client takes forever to timeout.
I've seen from other posts that select()
can set a timeout for the connection part, and that setsockopt()
with timeval
can timeout the receiving portion of the code, but I have no idea how to implement either. Pieces of code that I've copy/pasted from other answers always seem to fail for me.
How would I use both of these functions in the default client code? Or, if it isn't possible to use those functions in the default client code, can someone give me some pointers on how to use those functions correctly?
...ANSWER
Answered 2021-Jun-15 at 21:17
select()
can set a timeout for the connection part.
Yes, but only if you put the socket into non-blocking mode before calling connect()
, so that connect()
exits immediately and then the code can use select()
to wait for the socket to report when the connect operation has finished. But the code shown is not doing that.
setsockopt()
withtimeval
can timeout the receiving portion of the code
Yes, though select()
can also be used to timeout a read operation, as well. Simply call select()
first, and then call recv()
only if select()
reports that the socket is readable (has pending data to read).
Try something like this:
QUESTION
I'm attempting to write a scraper that will download attachments from an outlook account when I specify the path to folder to download from. I have working code but the folder locations are hardcoded as below:-
...ANSWER
Answered 2021-Jun-15 at 20:37You can do this as a reduction over foldernames
using getattr
to dynamically get the next attribute.
QUESTION
I've been attempting to create a node class which mimics a node on a graph. Currently, storage of the predecessor and successor nodes are stored via a node pointer vector: std::vector previous
. The vectors for the predecessor/successor nodes are private variables and are accessible via setters/getters.
Currently, I am dealing with updating the pointer values when adding a new node. My current method to update the predecessor/successor nodes is through this method (the method is the same for successor/previous nodes, just name changes):
...ANSWER
Answered 2021-Jun-15 at 20:20I think this should get you going (edge-cases left to you to figure out, if any):
QUESTION
I need to pass this:
...ANSWER
Answered 2021-Jun-15 at 19:49You can use simply intent.putExtra
instead of worrying about which variant like put_____Extra
to use.
When extracting the value, you can use intent.extras
to get the Bundle and then you can use get()
on the Bundle and cast to the appropriate type. This is easier than trying to figure out which intent.get____Extra
function to use to extract it, since you will have to cast it anyway.
The below code works whether your data class is Serializeable or Parcelable. You don't need to use arrays, because ArrayLists themselves are Serializeable, but you do need to convert from MutableList to ArrayList.
QUESTION
Sorry I don't show my variables or anything, tried to give information only pertaining to the questions. This 1 Sub is huge.
Currently my code allows a user to select multiple files, the files selected will be sorted in a specific format, then loaded into 2 different arrays. Currently loads Columns D:E into 1 array and Columns I:K into another array (from selected files QSResultFileWS
, and returns those arrays to my destination FormattingWS
. I'm still trying to learn arrays so if the methodology I used to do this isn't proper, be gentle.
ANSWER
Answered 2021-Jun-14 at 23:12You can use the FILTER
function to remove the blanks.
Replace you lines load the arrays
QUESTION
I want to create components dynamically with custom Refs , and I want to use those refs and use with functionalities like measure() etc.
I created following code
...ANSWER
Answered 2021-Jun-15 at 19:50- Yes, React refs need to be forwarded when using functional components.
- You can't use the
useRef
hook within the loop.
Fix creating the refs. Use a React ref to hold an array of created refs, and pass them by mapped index.
QUESTION
How can one check if an integer is equal to another in a 2D array?
...ANSWER
Answered 2021-Jun-15 at 18:23Just to address your attempt, the correct syntax for that would be
if (a == b || a == c || a == d || a == e || a == f || a == g || a == h || a == i) ...
.
But depending on your use case, it's probably advisable to loop over the array instead.
QUESTION
I am attempting to run a cURL command in PowerShell using the Invoke-RestMethod cmdlet but it will not work properly.
It connects to the server and the API key is accepted. However, the credentials are not being passed correctly and I am receiving a response of
...ANSWER
Answered 2021-Jun-11 at 18:21To mimick the curl command listed:
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