share | Simple file sharing from the browser and the command-line | File Sharing library
kandi X-RAY | share Summary
kandi X-RAY | share Summary
Easy simple file sharing from the browser and command-line. Try it at share.schollz.com. share is an open-source server where you can easily share files through the browser or the terminal. share is inspired by transfer.sh and send.firefox.com which also store files temporarily after uploading via the browser or command-line. One main new feature in share specifically is that the files are stored for time based on the file size, so that smaller files will stay available longer (by default, the time to deletion is scaled so that 1 GB file will be deleted after 30 minutes). Another nice improvement is that each uploaded file gets a permalink based on the hash of file content, so you can easily share a unique content-addressable six-digit identifier instead of a long filename.
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Top functions reviewed by kandi - BETA
- handle handles the request .
- copyToContentDirectory copies a file to the content directory .
- main command line
- deleteOld removes old meta files from the content directory
- GetFileContentTypeReader returns the content type of a file
- CustomRelTime returns a string representation of a time
- writeAllBytes copies all bytes from src to fname and returns fnameFull .
- loadPageInfo loads a Page .
- RandStringBytesMaskImpr returns a random string of n s .
- DirSize returns the size of a directory in bytes
share Key Features
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Community Discussions
Trending Discussions on share
QUESTION
I want to add a new column 'BEST' to this dataframe, which contains a list of the names of the columns which meet these criteria:
- Subtract from the current value in each column the value in the row that is 2 rows back
- The column that has the highest result of this subtraction will be listed in 'BEST'
- If more more than one column shares the same highest result, they all get listed
- If all columns have the same result, they all get listed
Input:
...ANSWER
Answered 2021-Jun-16 at 03:33First use shift
and subtract
to get the diff, then replace the maximum values with the column name and drop the others.
QUESTION
TL;DR: Why do I name go projects with a website in the path, and where do I initialize git within that path? ELI5, please.
I'm having a hard time understanding the fundamental purpose and use of the file/folder/repo structure and convention of projects/apps in the go language. I've seen a few posts, but they don't answer my overarching question of use/function and I just don't get it. Need ELI5 I guess.
Why are so many project's paths written as:
...ANSWER
Answered 2021-Jun-16 at 02:46Why do I name projects with a website in the path?
If your package has the exact same import path as someone else's package, then someone will have a hard time trying to use both packages in the same project because the import paths are not unique. So long as everyone uses a string equal to a URL that they effectively "own", such as your GitHub account (or actually own, such as your own domain), then these name collisions will not occur (excepting the fact that ownership of URLs may change over time).
It also makes it easier to go get
your project, since the host location is part of the import string. Every source file that uses the package also tells you where to get it from. That is a nice property to have.
Where do I initialize git?
Your project should have some root folder that contains everything in the project, and nothing outside of the project. Initialize git in this directory. It's also common to initialize your Go module here, if it's a Go project.
You may be restricted on where to put the git root by where you're trying to host the code. For example, if hosting on GitHub, all of the code you push has to go inside a repository. This means that you can put your git root in a higher directory that contains all your repositories, but there's no way (that I know of) to actually push this to the remote. Remember that your local file system is not the same as the remote host's. You may have a local folder called github.com/myname/
, but that doesn't mean that the remote end supports writing files to such a location.
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 am just curious does batch listener mode in Spring Kafka gives better performance than non-batch listener mode? If we are handling exceptions then we still need to process each record in Batch-listener mode. Non-batch seems less error prone, stable and customizable .
Please share your views on this as I didn't find any good comparison.
...ANSWER
Answered 2021-Jun-15 at 20:19It completely depends on what your listener is doing with the data.
If it processes each record in a loop then there is no benefit; you might as well just let the container iterate over the collection and send the listener one record at-a-time.
Batch mode will improve performance if you are processing the batch as a whole - e.g. a batch insert using JDBC in a single transaction.
This will often run much faster than storing one record at-a-time (using a new transaction for each record) because it requires fewer round trips to the DB server.
QUESTION
I have a dataset with various "chunks" of columns with different prefixes, but the same suffix:
ID A034 B034 C034 D034 A099 B099 A123 B123 ... 1 NA 1 NA NA NA 3 1 NA ... 2 2 NA NA NA 2 NA NA 2 ... 3 NA NA 2 NA NA 2 1 NA ...The number of columns within each "chunk" also varies. Is there any way (other than manually, which is what I have been painstakingly doing with coalesce(!!! select(., contains("XXX")))
) to automatically coalesce by chunk based on the shared suffix? That is, the result should resemble
I'm not sure how to begin doing something like this, so any suggestions would be very helpful.
...ANSWER
Answered 2021-Jun-15 at 20:10We reshape the data into 'long' format with pivot_longer
, then we group by 'ID' and loop across
the other columns, apply the na.omit
to remove the NA elements (we assume that there is only one non-NA per each column by group)
QUESTION
I am pretty new to python and I am trying to sort through a directory's files that start with 'O0' and copy any string in the text files that has an 'F', 'T', or 'S' in them, and paste, preferably just that string, (but the whole line would still work) in a new text file, preferably on the desktop. It is making the text file, but it is blank, and python does not close the file. Here's what I have so far:
...ANSWER
Answered 2021-Jun-15 at 14:27In the first place you are probably getting an AttributeError
error that append
is not known. Because you try to append your text to the TextIOwrapper (feeds speeds
). You have to use the write
method to append the text to the file content.
Also note that your file is read and written from the current directory, so ./feedsspeeds.txt
. As long as you are not executing this script from you Desktop folder, the file will also not be written there.
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
I'm trying to understand how the "fetch" phase of the CPU pipeline interacts with memory.
Let's say I have these instructions:
...ANSWER
Answered 2021-Jun-15 at 16:34It varies between implementations, but generally, this is managed by the cache coherency protocol of the multiprocessor. In simplest terms, what happens is that when CPU1 writes to a memory location, that location will be invalidated in every other cache in the system. So that write will invalidate the line in CPU2's instruction cache as well as any (partially) decoded instructions in CPU2's uop cache (if it has such a thing). So when CPU2 goes to fetch/execute the next instruction, all those caches will miss and it will stall while things are refetched. Depending on the cache coherency protocol, that may involve waiting for the write to get to memory, or may fetch the modified data directly from CPU1's dcache, or things might go via some shared cache.
QUESTION
I am trying to use my own train step in with Keras by creating a class that inherits from Model. It seems that the training works correctly but the evaluate function always returns 0 on the loss even if I send to it the train data, which have a big loss value during the training. I can't share my code but was able to reproduce using the example form the Keras api in https://keras.io/guides/customizing_what_happens_in_fit/ I changed the Dense layer to have 2 units instead of one, and made its activation to sigmoid.
The code:
...ANSWER
Answered 2021-Jun-12 at 17:27As you manually use the loss and metrics function in the train_step
(not in the .compile
) for the training set, you should also do the same for the validation set or by defining the test_step
in the custom model in order to get the loss score and metrics score. Add the following function to your custom model.
QUESTION
The below code is a method for my constructor for the class Word which is part of a word-search app I am building.
...ANSWER
Answered 2021-Jun-15 at 15:12What is happening in your code:
You have an object coord
. You are pushing its reference to the array, in each iteration. All your array elements point to coord
. You are changing the properties of the object coord
again in turn changing your array elements.
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