elet | CakePHP inspired micro framework in Node.js | Runtime Evironment library
kandi X-RAY | elet Summary
kandi X-RAY | elet Summary
When user access a route(request url) like "localhost:3000/index/contact", the request first passes to "index" controller and call action method "contact". The action method then call response.render method to render a view.
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QUESTION
My professor has given us a question after talking about the difference between lexical and dynamic scope. He presented us a simple evaluator (of a fictional language) coded in Haskell. The following is the code:
...ANSWER
Answered 2021-May-22 at 07:32Your code is incomplete:
QUESTION
Say I had opened vim with no arguments, then from within vim opened 10 .txt files and 10 .py files. Also, let's say the files are scattered around my file system. The buffer list contains all 20 files.
Now I want to add the 10 .py files to the arguments list. I want to do
something like :argadd *.py
, but this just creates a new file called '*.py'
and adds it to the arguments list.
I see from the help that argd[elete] can use a pattern, so I could delete all
the .py files with :argd *.py
. Is there a way to do something similar for
:arga[dd]
?
ANSWER
Answered 2021-May-04 at 22:03Well, it's sort of a "made up" question, I think. One rarely needs so many buffers/args at the same time that naive :argadd #10 #12 #15 #20
would be totally impractical.
But if you insist you need this then I'd suggest to try expression register, sort of
QUESTION
I am trying to merge a development branch back into the master. I have run git rm '*.pyc'
in both files and this is my gitignore (copied from here):
ANSWER
Answered 2020-Oct-23 at 06:22First, note that .gitignore
content itself never has any direct effect on a merge. That is because git merge
merges the contents of commits, which are already committed and cannot be changed. They have the files that they have. No power on Earth, or anywhere else, can change them. Your git merge
is merging some existing commits, in preparation for making a new commit.
I have run
git rm '*.pyc'
in both files ...
Do you mean "in both commits"? "In both files" makes little sense here.
I don't recall renaming or deleting any
venv/lib/*
files.
If venv/lib
contained *.pyc
files, and you ran the above git rm
, you would remove those *.pyc
files from both your work-tree and Git's index. Once the files are out of Git's index, then the existing *.pyc
entry in an existing .gitignore
can take effect, preventing future *.pyc
files from entering Git's index via your work-tree. A subsequent commit would then lack those *.pyc
files.
I'll just look at the first conflict here, and split up long lines for posting purposes only:
QUESTION
I am new to python and I am currently trying to allow the user to search for keywords within the jokes (setup and punchline) they have previously created. If the user searches for a word within the current created jokes, then I aim to display both the setup/punchline of the joke/s from which the searched word was found.
I am also aiming to print an error stating 'No jokes match the search term' if the searched word can't be found in any jokes.
This is my code:
...ANSWER
Answered 2020-May-09 at 10:42This code should return a list of search results:
QUESTION
I have some trouble using the --keep-empty
option of git rebase
, and I'm
not sure whether I'm misunderstanding what this option does, or there's a bug.
Here is a minimal example:
SetupCreate a new Git repository and an initial, unrelated commit.
...
ANSWER
Answered 2017-Aug-20 at 18:43It's sort of a bug, due to something that is sort of a feature. :-)
When you run interactive rebase and it "pauses", in reality, it finishes, but leaves some files around to let a new git rebase
realize that it's more of a continuation after all. This is fine as far as it goes; you will need to run git rebase --continue
later to start a new rebase and tell it: You're not really new, go read the state and act like you're continuing the original rebase.
And, let's look at an "interactive rebase". In reality this is mostly a series of cherry-pick operations: the pick
command literally instructs the old rebase shell script—which is being phased out now—to run git cherry-pick
.
OK, no big deal so far. But let's consider why an interactive rebase stops. There are two reasons:
You marked a commit "edit". It actually commits the cherry-pick, and stops to let you amend the commit or otherwise fuss with it.
Or, there was a problem—such as a merge conflict—that forced the stop.
In case (1), when you run git rebase --continue
, Git should not make its own commit.
In case (2), when you run git rebase --continue
, Git should make its own commit. That is, it should unless—this is the feature part—you make your own commit first. In that case, for case (2) Git should not make its own commit.
Git could, and perhaps should, record the reason-for-stoppage so as to tell these two cases apart ... but it doesn't. Instead, it just looks at the state on --continue
.
For a non-interactive rebase, Git knows that it only stops on conflicts, so it knows to try to make a commit, and complain if there is nothing to commit. This is where the --keep-empty
or -k
flag is useful. (Internally, the non-interactive case uses git format-patch
and git am
by default, although you can force it to use the interactive machinery with --preserve-merges
for instance. I mention this here as it's an implementational reason that Git has to know whether you're being "interactive": as so often happens, here Git lets the implementation dictate the behavior. If Git didn't need this distinction, a --continue
could just use the same code for interactive and non-interactive rebase, but Git does need the distinction, and hence doesn't use the same code.)
For an interactive rebase, though, Git allows you to make your own commit in case (2), just before running git rebase --continue
(this is the Feature part). If so, the --continue
step should just move on to the next commit. So --continue
just checks whether there's something to commit now, rather than whether the earlier interactive rebase exited for case (1) vs case (2). This simple implementation trick enables the feature, but also means that --keep-empty
cannot work here: Git just doesn't know the difference.
The workaround is to do your own git commit --allow-empty
after resolving your merge. In other words, convert case (2) into a simulated case (1), using the "you may make your own commit" feature.
QUESTION
im not sure how to bubble sort using structures, id like the function sortMovies to be able to sort the movies alphebeticaly by title but i am getting these errors listed below.
...ANSWER
Answered 2020-Apr-14 at 00:49Error (active) E0167 argument of type "movies" is incompatible with parameter of type "struct movies *" 40
This is happening because with main[CONST]
you are trying to pass a single element of of the main
array (the element at index CONST
), rather than the whole array when the sortMovies
method expects an array. To pass the whole array into the function, use sortMovies(main);
.
Error (active) E0137 expression must be a modifiable lvalue 148 Error C2106 '=': left operand must be l-value 148 Error (active) E0137 expression must be a modifiable lvalue 149 Error C2106 '=': left operand must be l-value 149
This is happening because you are trying to copy the contents of one char array to another with the =
operator, which is not valid. Instead, use strcpy(main[i - 1].title, main[i].title)
and strcpy(main[i].title, temp)
.
Also, in your sortMovies
function you declare temp
as a char which you try to use to swap the title
strings. What you want here is instead char* temp
. If you are not familiar with this syntax, I would recommend reading up on pointers in C. They are a very important construct in the language, and a better understanding of pointers will likely also help you clear up a lot of the issues you are having with this program.
QUESTION
I'm running Wildfly version 14 and version 18 (on different machines) and Primefaces. Whenever I upload a file, I get 2 orphaned fds. I've doubled checked my code and all resources are closed. I didn't have any problem running Wildfly 11, btw. I also use lsof to make sure that the opened files belong to Wildfly, and they are. Eventually, I get the Too Many Open Files error.
...ANSWER
Answered 2020-Apr-03 at 17:34Yes if you are using PF 7.X this was a bug and fixed in PF8.0.
QUESTION
I have a Table Events which logs Insert, Update and Delete of Events. See the MWE her: http://sqlfiddle.com/#!4/6c2cb1/1
DDL Statement
...ANSWER
Answered 2020-Mar-17 at 13:15This looks like a good fit for SQL pattern matching:
QUESTION
I am following an online tutorial on Flutter development but I already got stuck with Flutter's installation.
When I try to add Flutter's path to my computer (macOS Mojave 10.14.6):
...ANSWER
Answered 2020-Jan-16 at 15:09You can delete the .swp
file. It is just a file where Vim caches its changes to before you save. You likely were editing the file previously and unceremoniously exited vim, so it couldn't delete the .swp
file before it closed.
Your .bash_profile
is a file that bash reads when you open your terminal. It's where your bash preferences are saved. You update your PATH in your .bash_profile and that path gets read in as you open your terminal.
QUESTION
I am building a small c++ program and am attempting the same functionality as seen in the options homepage of my battery logger batch program. Here are the two codes what I am using.
battery-logger.bat
...ANSWER
Answered 2019-Nov-26 at 17:19Okay, I'm not on windows, so I couldn't use getch, but I could use getchar(). I did a little bit of playing. Here's my final version:
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