RISE | RISE : `` Live '' Reveal.js Jupyter/IPython Slideshow Extension | Code Editor library
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kandi X-RAY | RISE Summary
RISE: "Live" Reveal.js Jupyter/IPython Slideshow Extension
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of RISE
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RISE Examples and Code Snippets
Lines of Code : 56License : Permissive (MIT License)
Copydef knapsack_with_example_solution(W: int, wt: list, val: list):
"""
Solves the integer weights knapsack problem returns one of
the several possible optimal subsets.
Parameters
---------
W: int, the total maximum weight for xx2d = np.zeros((1, 28, 28))
xx3d = np.zeros((1, 28, 28, 3))
docker run --memory=128m --restart on-failure myapp
docker run --health-cmd myapp
def home_view(request):
context ={}
form = ProfileForm(request.POST)
if form.is_valid():
form.save()
context['form']= form
return render(request, "home.html", context)
df = df.assign(Sentences=df['Content'].str.split('\.\s+')).explode('Sentences')
df = df.loc[df['Sentences'].str.contains('|'.join(keywords))].groupby(['Year','Content'])['Sentences'].apply(list).reset_index()
html_2 = """
""" + df.to_html(index=False).replace('','')
print(line.get_xydata())
# array([[0., 0.],
# [1., 1.]])
xmin, xmax = plt.xlim()
xtext = (xmin + xmax) // 2
ytext = k*xtext + n
rs = np.random.RandomState(0)
x = 50 * rs.rand(20) + 5 def retrieve_data(db, table_name):
try:
comm ="SELECT * FROM {};".format(table_name)
with db.connect() as conn:
column_of_sql_table = conn.execute(comm).fetchall()
return pd.DataFrame(column_of_sql_def jokes():
jokes = pyjokes.get_jokes()
jokes_final = "
".join(jokes)
return f'{jokes_final}'
def exp(x, a, b, c):
return a * np.exp(-c * (x-b))
def gauss(x, a, b, d):
return a * np.exp(-((x-b)**2)/(2 * (d**2)))
def combo(x, a, b, c, d):
y = np.zeros(x.shape)
y[x <= b] = gauss(x[x <= b], a, b, d)
y[x > Community Discussions
Trending Discussions on RISE
QUESTION
in fowlloing list are the prices Benzin everyday, i want for each day the difference to the previous day (the first day does not appear in the output)
- at the end of the statement: the number of days on which the price has rised, stayed the same or not avalible.
...
ANSWER
Answered 2021-Jun-14 at 15:28With your shown samples only, please try following.
QUESTION
Was unable to find the solution even after trying many things so posting here hoping to get some workaround or fix for this issue.
Basically, if the @XmlPath(".") has been used on a Map and if there is XMLAdapter on it then it fails during the unmarshalling. The marshaling works perfectly only the unmarshalling fails.
In short, I would like to perform the unmarshalling as mentioned here but along with Map I will have one more @XmlElement. So one field is annotated with (Map field) @XmlPath(".") and another String field with @XmlElement and then I would like to perform unmarshalling.
Following is the XML that I am trying to unmarshal:
ANSWER
Answered 2021-Jun-13 at 17:09I was able to get it by using the BeforeMarshal and AfterMarshal methods. Posting here so it can be helpful to someone in the future:
QUESTION
When programming today the following situation arose. A generic method accepts a non-nullable generic parameter. The method basically just inserts the generic value into a collection. However, this gives rise to a compiler warning indicating that the generic parameter might be null. At the face of it, it seems to be a bug in the compiler and contradict the design of nullable values. However, I am sure that there is some good explanation that I am not seeing.
Consider the following simplified example of the situation:
Also just for completness the following method gives the same error (as expected):
Anyone has some good insights into this?public void M1(T t, List l) => l.Add(t);
The compiler warns that t might be null in l.Add(t).
public void M1(T? t, List l) => l.Add(t);
ANSWER
Answered 2021-Jun-11 at 10:24Someone could call:
QUESTION
Greeting, in general the problem is this, I created a web application using React JS, like a database using Firesbase Firestore. Everything worked fine until it was time to update the security rules (they were temporary, well, and time was up). It demanded to immediately change the rules, otherwise the base will stop responding after the expiration of the term. At first, I just extended the temporary rules, but it only worked once, after that all such attempts were in vain. After reading the documentation on writing security rules and looking at a couple of tutorials, I decided to write simple rules allow read: if true; allow write: if false;. In the project, the user does not interact with the base in any way, the text simply comes from the base and everything is essentially, so these rules are more than enough. I also additionally checked these rules on the emulator and everything went well. I saved the rules, but the application did not rise, I tried other options, to the extent that I simply put true everywhere and made the base completely open, but to no avail. I have already tried everything and crawled everything, but I still could not find a solution.
My app code:
...ANSWER
Answered 2021-Jun-08 at 12:01Posting this as a Community Wiki as it's based on the comments of @samthecodingman and @spectrum_10101.
The error is being generated by either testEng/test or testUa/test not actually existing, so their data will be set as undefined. So it's likely that the root cause of this issue is located somewhere else in your app.
QUESTION
I need to make a SQL query
table 'records' structure:
...ANSWER
Answered 2021-Jun-07 at 15:45Try something like this:
QUESTION
At one point in my query plan the costs explode to a 98 digit number (~2e97). First, it is only the upper bound (10^5..2e97) and finally both boundaries (2e97..2e97). At this point, costs do not change anymore if you move further to the top of the plan and thus the plan becomes quite useless. It seems like it reached some saturation.
My interpretation is that the query is too complicated for the planner to evaluate it correctly and costs rise till they reach its limit (which would be around 2e97).
Is this interpretation correct? Do you have some more information about how this happens and what could be done to improve the query/plan?
...ANSWER
Answered 2021-Jun-06 at 16:04There are two issues here. One is the actual behaviour of EXPLAIN, the other is a bug.
The first issue is that in Postgres, EXPLAIN costs are to the maximum extent possible intended to be realistic and be true to the actual, real-world cost and time required by an operation.
This is not the case with EXPLAIN in Redshift.
In Redshift, costs are arbitrary numbers. They have been selected by the developers, I think in an effort to rather crudely control the query planner.
I can see no advantages to this method, and no end of disadvantages, but there it is. (For example, you can't compare costs across queries - even the same basic query which you're only experimenting with to find the most efficient solution).
So, for example, in Redshift scanning a table has a cost of 1 per row.
Sorting a table has a cost of I think it was 1,000,000,000 (one billion), plus 1 per row - so scanning 1b records is considered cheaper than sorting one row, which is nuts. This is why the query planner goes wrong at times.
The second issue is that there is a bug in the costs presented by EXPLAIN with DS_DIST_BOTH. I believe it uses an uninitialized variable, and as a result has a cost which is about a million times more atoms than there are in the Universe.
I did try to tell Support. I tried for a while and then gave up. You have to understand the limiations of Redshift Support - they don't understand Redshift, and they don't really seem to be able to think very much for themselves. I came away from the discussion with the view that someone, at some point, had told them plan costs could become very large numbers, and from that point on it became impossible for them to comprehend that there could be a very large number and it could actually be wrong. This is by far not the only bug I have given up trying to get Support to comprehend.
QUESTION
I am learning about text mining and rTweet and I am currently brainstorming on the easiest way to clean text obtained from tweets. I have been using the method recommended on this link to remove URLs, remove anything other than English letters or space, remove stopwords, remove extra whitespace, remove numbers, remove punctuations.
This method uses both gsub and tm_map() and I was wondering if it was possible to stream line the cleaning process using stringr to simply add them to a cleaning pipe line. I saw an answer in the site that recommended the following function but for some reason I am unable to run it.
...ANSWER
Answered 2021-Jun-05 at 02:52To answer your primary question, the clean_tweets() function is not working in the line "Clean <- tweets %>% clean_tweets" presumably because you are feeding it a dataframe. However, the function's internals (i.e., the str_ functions) require character vectors (strings).
I say "presumably" here because I'm not sure what your tweets object looks like, so I can't be sure. However, at least on your test data, the following solves the problem.
QUESTION
I am trying to incrementally build a rolling "minimum" column which gradually increases in value from a minimum value up to halfway between the initial minimum and maximum values, but by group, and over a number of days in a Pandas DataFrame. The maximum value should stay the same over time. Picture a control chart, where the upper bound remains a flat line, and the lower bound linearly rises up to end halfway between the initial min and max bounds.
Here is code that does what I want in vanilla Python (without the grouping).
...ANSWER
Answered 2021-Jun-04 at 13:27Try creating a Multi-Index.from_product with the Groups and the days.
Then use set_index + reindex to apply the MultiIndex to the frame. Use method='ffill' to populate the starting values down the frame.
QUESTION
Why behavior like this is allowed?:
...ANSWER
Answered 2021-Jun-03 at 01:21Why behavior like this is allowed?:
Why do you think that it is allowed? What do you mean by "allowed"?
The behaviour of the shown program is undefined.
Why program isn't throwing exceptions in this case?
Because a program isn't guaranteed to throw exceptions when the behaviour is undefined. Nothing is guaranteed about the behaviour of the program.
Will exception rise the moment program allocate something in place of destroyed objects?
No, there is no such guarantee. There are no guarantees whatsoever.
The cases that may cause an object to be thrown in a well defined program:
- A
throwexpression - Calling (possibly implicitly) a function that uses the
throwexpression. dynamic_casttypeidnewexpression
QUESTION
We are using google appengine with go114 runtime. Our application size was usually around the 40mb. Suddenly from one moment to the other the size of our application versions went to 240mb, without any change on our side.
The strange thing is that the same code version resulted in one environment still to 40mb and in the other to 240mb. Later version also increased in the first environment.
There are not changes on our code whatsoever which could have impacted any of this, but I have also no clue what could have caused this on the appengine side of things.
Anyone knows what could have caused this rise of application size?
...ANSWER
Answered 2021-Feb-09 at 15:27I found a similar issue to the one you are facing in this google groups post, but with the Java SDK. I would say that the reasons mentioned in there also apply to your case:
There are a number of reasons which may contribute to the different sizes, particularly in the past, the size difference in the builds for the same application code has been seen to relate to different implementations of the functions (i.e. deploy) and the tools in each SDK and the plugins. Hence, to understand better the cause may require reviewing the differences between the plugins used and the App Engine SDK versions, and how the changes may have applied to your application.
That being said you could open a support case for Google Cloud to check what causes that issue and get recommendations on how to mitigate that in your specific case.
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