tries | Solidify your code and retry on petty exceptions | Android library
kandi X-RAY | tries Summary
kandi X-RAY | tries Summary
Solidify your code and retry on petty exceptions. Tries lets you retry a block of code multiple times, which is convenient for example when communicating with external APIs that might return an error the one second but work fine the next. You can specify exactly how often the block of code is retried and which exceptions are caught.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of tries
tries Key Features
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Trending Discussions on tries
QUESTION
Would be great if someone can help me understand how flock functions. Lets says I have the below scenario:
...ANSWER
Answered 2021-Jun-16 at 02:07I tried testing this scenarios with a working example script and I found that the waiting jobs are processed in a random manner.
QUESTION
I understand that after calling fork() the child process inherits the per-process file descriptor table of its parent (pointing to the same system-wide open file tables). Hence, when opening a file in a parent process and then calling fork(), both the child and parent can write to that file without overwriting one another's output (due to a shared offset in the open-file table entry).
However, suppose that, we call open() on some file after a fork (in both the parent and the child). Will this create a separate entries in the system-wide open file table, with a separate set of offsets and read-write permission flags for the child (despite the fact that it's technically the same file)? I've tried looking this up and I don't seem to be able to find a clear answer.
I'm asking this mainly since I was playing around with writing to files, and it seems like only one the outputs of the parent and child ends up in the file in the aforementioned situation. This seemed to imply that there are separate entries in the open file table for the two separate open calls, and hence separate offsets, so the slower process overwrites the output of the other process.
To illustrate this, consider the following code:
...ANSWER
Answered 2021-May-03 at 20:22There is a difference between a file and a file descriptor (FD).
All processes share the same files. They don't necessarily have access to the same files, and a file is not its name, either; two different processes which open the same name might not actually open the same file, for example if the first file were renamed or unlinked and a new file were associated with the name. But if they do open the same file, it's necessarily shared, and changes will be mutually visible.
But a file descriptor is not a file. It refers to a file (not a filename, see above), but it also contains other information, including a file position used for and updated by calls to read and write. (You can use "positioned" read and write, pread and pwrite, if you don't want to use the position in the FD.) File descriptors are shared between parent and child processes, and so the file position in the FD is also shared.
Another thing stored in the file descriptor (in the kernel, where user processes can't get at it) is the list of permitted actions (on Unix, read, write, and/or execute, and possibly others). Permissions are stored in the file directory, not in the file itself, and the requested permissions are copied into the file descriptor when the file is opened (if the permissions are available.) It's possible for a child process to have a different user or group than the parent, particularly if the parent is started with augmented permissions but drops them before spawning the child. A file descriptor for a file opened in this manner still has the same permissions uf it is shared with a child, even if the child would itself be able to open the file.
QUESTION
I have this array with addresses and countries associated to each address.
So Im trying to get the createdAt value from address where the country name is USA
How can I return exactly this ('1623775723413')
...ANSWER
Answered 2021-Jun-15 at 21:53You have to use find method from Array prototype - it will return first matching element, or undefined if no matching elements are present:
QUESTION
[
'854408347192786944',
Message {
id: '854408347192786944',
type: 0,
timestamp: 1623777224110,
channel: TextChannel {
id: '768848054064644156',
type: 0,
client: [Client],
guild: [Guild],
name: 'dev-chat',
position: 23,
parentID: '768835234291777556',
permissionOverwrites: [Collection [Map]],
rateLimitPerUser: 0,
topic: null,
messages: [Collection [Map]],
lastMessageID: '854408347192786944',
lastPinTimestamp: null
},
content: 'nittro',
hit: false,
reactions: {},
guildID: '768551672195710997',
messageReference: null,
flags: 0,
author: User {
id: '585548631268917254',
bot: false,
system: false,
avatar: '902e633f0c1af22ee6eff4f114b533c1',
username: '8au',
discriminator: '0489',
publicFlags: 128
},
referencedMessage: null,
interaction: null,
member: Member {
id: '585548631268917254',
guild: [Guild],
user: [User],
game: [Object],
nick: null,
roles: [Array],
joinedAt: 1603307397735,
premiumSince: null,
pending: false,
status: 'online',
clientStatus: [Object],
activities: [Array]
},
mentionEveryone: false,
mentions: [],
roleMentions: [],
pinned: false,
tts: false,
attachments: [],
embeds: []
}
]
ANSWER
Answered 2021-Jun-15 at 17:33Try
QUESTION
I use the following code to update my widget's timeline, but the "result" which I fetched from the core data is not up-to-date.
My logic is when detecting the host app goes to background I call "WidgetCenter.shared.reloadAllTimelines()" and fetch the core data in the "getTimeline" function. After printing out the result, it is old data. Also I fetch the data with the same predicate under the .background, the data is up-to-date.
Also I show the date in the widget view body, when I close the host app, the date is refreshing. Means that the upper refreshing logic works fine. But just always get the old data.
Could someone help me out?
...ANSWER
Answered 2021-Jun-15 at 17:05Update:
I added the following code to refresh the core data before I fetch. Everything work as expect.
QUESTION
People of Stack Overflow!
Thanks for taking the time to read this question. What I am trying to accomplish is to pivot some data all from just one table.
The original table has multiple datetime entries of specific events (e.g. when the customer was added add_time and when the customer was lost lost_time).
This is one part of two rows of the deals table:
I want to create a view of this table. A view that has one row for each distinct date and counts the number of events at this specific time.
This is the goal (times do not match with the example!):
I have working code, like this:
...ANSWER
Answered 2021-Jun-15 at 17:03You can use a lateral join to unpivot and then aggregate:
QUESTION
While trying to create show my students on Laravel 8, I met with some errors, first it wasn't creating the students, then I get errors on /students/ page
Attempt to read property "country_name" on null
index.blade.php
...ANSWER
Answered 2021-Jun-15 at 15:33Since foreignKey not laravel convention so you have to mention foreignKey in belongsTo.I believe foreignKey is country in Student Table
QUESTION
How to prevent phpunit from launching functions that I don't want?
...ANSWER
Answered 2021-Jun-15 at 13:01In tests you don't want to be using the constructor. Symfony will try to autowire service which you don't want because you want to be able to mock the secondary services.
To prevent this you remove the constructor and use the setUp function instead. PHPUnit works in such a way that the setUp function will always run before each test. So in here you would instantiate the service(class) you are testing.
A simple setUp function looks like this:
QUESTION
I am building an app following the Rest Countries API challenge from frontendmentor. I have run into a problem. When trying to find the border countries full name using the alpha3code, I get the error :
TypeError: Cannot read property 'name' of undefined.
ANSWER
Answered 2021-Jun-15 at 10:55This may not answering your question but have you tried console.log(response.data) before setItem(response.data) to check the data you get from axios.get? sometimes console.log can help
QUESTION
I'm running the below sqlpackage command against my sqlserver:
ANSWER
Answered 2021-Jun-15 at 12:05I would recommend using /action:Script (see here) to see which actions it will perform, most likely this will give you some clue as to which flags should be set/cleared.
-- Edit
According to this old answer you can disable deploying the database properties when designing the .dacpac.
If you want to override this behaviour when publishing the .dacpac, you should probably use the ScriptDatabaseOptions property - see the whole list of switches here.
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