text stringlengths 352 54.6k | meta dict |
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Q:
How can I decode this string which is represented as unicode?
I get s when trying to parse a web page by readability(Python 2.7 on Windows 10, Sublime Text 2/cmd)
>>> import requests
>>> from readability import Document
>>>
>>> response = requests.get('http://www.gamersky.com/news/201806/1064930.shtml')
>>> doc = ... | {
"pile_set_name": "StackExchange"
} |
Q:
Transform a 9x9 Matrix so that each row is a 3x3 Block
I have the following example data:
[0] = {01,02,03, 04,05,06, 07,08,09}
[1] = {11,12,13, 14,15,16, 17,18,19}
[2] = {21,22,23, 24,25,26, 27,28,29}
[3] = {31,32,33, 34,35,36, 37,38,39}
[4] = {41,42,43, 44,45,46, 47,48,49}
[5] = {51,52,53, 54,55,5... | {
"pile_set_name": "StackExchange"
} |
Q:
url param not getting properly
I have a two server.I am passing 4 variable in url ssid(36),rawstring(1024),sample_id,user_id.
I simplely want to get parameter passed in url.When I hit my first server I am getting param,but same url(Only change server name),I get 3 parameters(not getting raw string).
In my controll... | {
"pile_set_name": "StackExchange"
} |
Q:
Matching data in 2 data frame in R?
I have 2 data frame, one has time stamp and temperature and the other has time stamps. I wanna copy the temperature data from first data set to second one if the time stamp is identical !
I have checked this and this likns. But they are different to my question.
Can someone help... | {
"pile_set_name": "StackExchange"
} |
Q:
constructing a Data Frame in Rcpp
I want to construct a data frame in an Rcpp function, but when I get it, it doesn't really look like a data frame. I've tried pushing vectors etc. but it leads to the same thing. Consider:
RcppExport SEXP makeDataFrame(SEXP in) {
Rcpp::DataFrame dfin(in);
Rcpp::DataFrame d... | {
"pile_set_name": "StackExchange"
} |
Q:
Issue with Json file for Highstock
I'm actually be doing a project in my studies and i will take json data from webservice for set it in highstock.
My webservice (file in php language) return actually this json format
[{"jour":"22","mois":"1","an":"10","heure":"10","minute":"0","p_ac":"143"},{"jour":"22","mois":"... | {
"pile_set_name": "StackExchange"
} |
Q:
convert image to byte literal in python
I'm trying to store an image as text, so that I can do something like this example of a transparent icon for a Tk gui:
import tempfile
# byte literal code for a transparent icon, I think
ICON = (b'\x00\x00\x01\x00\x01\x00\x10\x10\x00\x00\x01\x00\x08\x00h\x05\x00\x00'
... | {
"pile_set_name": "StackExchange"
} |
Q:
java script newline replacement
I finished a JavaScript beginners course and tried to solve the JS challenges in hackthissite.org. in last challenge the obfuscation decryption done correctly but the for loop i executed, output letters below each other instead of beside each other.
var puzzle = [0x3c, 0x62, 0x75, 0... | {
"pile_set_name": "StackExchange"
} |
Q:
having problems with for loop in javascript
I have a table with numbers but they are stored as string so I am trying to use the function parseFloat to convert it into a table of ints. However, no matter how I do the for loops it gives me a blank table. I can parse the row and it will give me a single int. I can pa... | {
"pile_set_name": "StackExchange"
} |
Q:
How to test whether $e^{3x^{2}} + \frac {1}{1+3x^2} - 2\cos(x^2)$ is $o(x^3)$?
From what I learned, $\lim_{x \rightarrow 0} \frac {f(x)}{x^3} = 0$ tells $f(x) = o(x^3)$
In this case, I have tried to compute $\lim_{x \rightarrow 0} \frac {e^{3x^{2}}}{x^3}$, but the limit seems not to exist.
Then I tried to combine ... | {
"pile_set_name": "StackExchange"
} |
Q:
Am I solving the system of differential equations the right way?
I have the following equations:
$$ y_1'(t)=4y_1(t)-y_2(t)+f_1(t) $$
$$ y_2'(t)=2y_1(t)+2y_2(t)+f_2(t) $$
where:
$$f_1(t)=\frac{e^{4t}\cos{t}}{e^{2t}+1}$$
$$f_2(t)=\frac{e^{4t}(\cos{t}+\sin{t})}{e^{2t}+1}$$
$$y_1(0)=y_2(0)=\frac{\pi}{4}$$
I tried to... | {
"pile_set_name": "StackExchange"
} |
Q:
Svg Slider in console but not showing
I'm trying to build a slider svg template which I can use to switch from light theme to dark theme, The original idea is to try and replicate a design that I've seen that has a moon, then when it slides position it turns into a sun. I have build a basic template (without any g... | {
"pile_set_name": "StackExchange"
} |
Q:
Show $ \int_0^\infty\left(1-x\sin\frac 1 x\right)dx = \frac\pi 4 $
How to show that
$$
\int_0^\infty\left(1-x\sin\frac{1}{x}\right)dx=\frac{\pi}{4}
$$
?
A:
Use
$$
\int \left(1-x \sin\left(\frac{1}{x}\right)\right) \mathrm{d} x = x - \int \sin\left(\frac{1}{x}\right) \mathrm{d} \frac{x^2}{2} = x - \frac{x^2}{2... | {
"pile_set_name": "StackExchange"
} |
Q:
RSA decryption with large keys
My problem: I already know the private and public key of an RSA system and I have an encrypted message but I can't decrypt it, because my private exponent is about 1024 bit. My data is following if it is needed for details but the question is how to decrypt a message with long keys o... | {
"pile_set_name": "StackExchange"
} |
Q:
Why is the creation of multi-dimensional arrays so slow in Scala?
Consider this code:
Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(Array(A... | {
"pile_set_name": "StackExchange"
} |
Q:
mysql how can I query a database table by day and month and produce totals
I have the following database table
"id","date_occurred","country","town","quantity"
"1","2012-06-01","England","Andover","82"
"2","2012-06-01","England","Colchester","569"
"3","2012-06-01","England","Farnham","1"
"4","2012-06-01","England"... | {
"pile_set_name": "StackExchange"
} |
Q:
WPF Rounded Corners background bleeding through
I'm making my first foray into WPF - I have a simple form with a popup defined for inline help. I'm using rounded corners, and for some reason a black background is bleeding through around the corners. I don't understand which element is causing the problem.
alt te... | {
"pile_set_name": "StackExchange"
} |
Q:
ftruncate() not emptying my file
I have a file in which I write
<timestamp>hashedcertificate
<timestamp>hashedcertificate
<timestamp>hashedcertificate
(etc.)
On a certain request, I'm reading out all timestamps in an array and all hash strings in an array.
$valid = fopen("./valid", "r+");
if (!$valid) {
log::Wr... | {
"pile_set_name": "StackExchange"
} |
Q:
Project Euler Number 24
Python 2.7.9
Hello I'm experiencing some problems with how python is handling my permutations algorithm.
So I want my function to take the set_list=[1,2,3,4] and return all the permutations of that list.
This was my idea. Move from left to right, starting at the index values 0,1 of set_lis... | {
"pile_set_name": "StackExchange"
} |
Q:
How do I force cabal to give me more meaningful error messages?
On trying to install Pandoc, I see:
....
/usr/local/bin/ghc --make -o dist/build/pandoc/pandoc -hide-all-packages -fbuilding-cabal-package -package-conf dist/package.conf.inplace -i -idist/build/pandoc/pandoc-tmp -isrc -idist/build/autogen -Idist/buil... | {
"pile_set_name": "StackExchange"
} |
Q:
aggregate function produces daily instead of hourly mean
I have a data.frame with 15 minute time steps in the first column and 16 more columns full of data. I want to get the hourly mean for each column. I am using aggregate and it works perfectly fine for 1 min data.
mydata <- list()
for(j in colnames(data_frame)... | {
"pile_set_name": "StackExchange"
} |
Q:
How to change the accordion menu icon with JS?
I have a menu (accordion) that uses Bootstrap 3.3.7 and Font Awesome 5.0.1
What I am looking for :
When the menu is closed, a "plus" icon is displayed.
When the menu is open, a "minus" icon is displayed.
The "plus" icon is displayed on the menu but does not change.
I ... | {
"pile_set_name": "StackExchange"
} |
Q:
How to convert many-valued logic into efficient boolean logic?
Suppose that I have a set S consisting of {0₁, ¯1₂, 0₂, 1₂, ¯2₃, ¯1₃, 0₃, 1₃, 2₃, ¯3₄, ¯2₄, ¯1₄, 0₄, 1₄, 2₄, 3₄}. I want to define the following operations over S:
S < 0 which returns one if and only if S is negative.
¯S which returns the negation of ... | {
"pile_set_name": "StackExchange"
} |
Q:
JavaScript changing images with onmouseover and onmouseout
I've looked at similar questions and answers on Stack Overflow which I can't get to work. everything is find when the page loads but when I mouse over it doesn't show the new gif.
When inspecting the code in the browser it seems to be switching between th... | {
"pile_set_name": "StackExchange"
} |
Q:
Block header format
Does anyone understand what each element of a block header represents? I have an example block header represented here:
[
cd7bd64fba4cc782fe5474d3640882afece5887180591e72f80ce6916cf73526,
1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347,
f927a40c8b7f6e07c5af7fa2155b4864a4112b13,... | {
"pile_set_name": "StackExchange"
} |
Q:
Sending bz2-compressed data as utf-8 string via gunicorn with Python 2.7
I am trying to use gunicorn to send a utf-8 encoded string, which is the result a bz2 compression, as the response to a get request.
Here is my code on gunicorn server side:
def app(environ, start_response):
data = "Hello, World!" * 10
... | {
"pile_set_name": "StackExchange"
} |
Q:
Prevent narrow svg paths from forming a block
I'm trying to draw a bunch of narrow spaced paths, but sadly they always seem to form a grey block.
Example: jsfiddle
<svg overflow="hidden" width="200" height="200" style="width: 200px; height: 200px;">
<path stroke="rgb(0, 0, 0)" stroke-opacity="1" stroke-width="1... | {
"pile_set_name": "StackExchange"
} |
Q:
How do I calculate mean value for each month in the dataset?
Sample wind dataset:
`.................RPT VAL ROS KIL SHA BIR DUB CLA MUL CLO BEL MAL
DATE
1961-01-04 10.58 6.63 11.75 4.58 4.54 2.88 8.63 1.79 5.83 5.88 5.46 10.88
1961-01-05 13.33 1... | {
"pile_set_name": "StackExchange"
} |
Q:
how to add tag in soap response
Using gsoap I have generated server C++ codes.
Using SoapUI, I send a message to server and get the response. Until here every thing is fine.
I wanted to add more tags on the response. To do that, I have manipulated server codes. Originally the code generated by gsoap that produces ... | {
"pile_set_name": "StackExchange"
} |
Q:
Filter column / row data in matrix through user input - matlab
I have an N x 3 matrix (double) with values in third column going in the interval 1:4, and only those four values. This matrix is saved as 'data', and will be used for further analysis after this filtering with the same name.
How can I through user in... | {
"pile_set_name": "StackExchange"
} |
Q:
Extracting file list from remote gzipped tar file without downloading tar (getting "embedded nuls" error)
I'm trying to get a file list (and then extract specific files) from a large (300-600 MB) remotely-hosted tar.gz file -- without downloading the entire file. However, I don't quite understand whether my file s... | {
"pile_set_name": "StackExchange"
} |
Q:
Git tag for a subfolder of a repository
I use Git to import a SVN repository. Then I created my own project as a subfolder in the repository.
I use the SVN repository with Git-SVN. My working procedure is:
git commit -am "message"
git svn rebase
git svn dcommit.
Now I want to tag my project with git tag -a RC1 -... | {
"pile_set_name": "StackExchange"
} |
Q:
apache rewrite rules, non-www, https
I have two applications on the same server and use apache rewrite rules to redirect:
www requests to non www
http reuests to https
Everything works ok, except one case:
request www.test2.test.eu is redirect to https://www.test1.com content
How can I konfigure it properly?
Rew... | {
"pile_set_name": "StackExchange"
} |
Q:
How do I eliminate the "'str' object is not callable"?
I get the following error on the code below, and have no idea what is going on. I'm very much a beginner and need some help. I am trying to make a very basic game of tic-tac-toe in the console, and am having trouble.
Traceback (most recent call last):
File "D:... | {
"pile_set_name": "StackExchange"
} |
Q:
CSS selector for reCaptcha checkbok using Selenium and vba excel
In the website I am trying to fill some fields, there is a checkbok that I need to click to add the check mark in it
<div class="rc-anchor-content"><div class="rc-inline-block"><div class="rc-anchor-center-container"><div class="rc-anchor-center-ite... | {
"pile_set_name": "StackExchange"
} |
Q:
Woocommerce Order API Line Item ID changes on update
I’m retrieving Woocommerce orders via the "order updated" webhook and storing specific data in a separate database.
We are also using a personalisations plugin which allows customers to add custom messages to products. This creates 2 separate line items, which w... | {
"pile_set_name": "StackExchange"
} |
Q:
How to find out the probability to enter a house?
Let's assume there is $50\%$ of chances to someone's house entry door to be locked. A locksmith has $10$ keys, of which only 2 open the door. What is the probability of someone to enter the house through this door if he (or she) can choose by chance only one key am... | {
"pile_set_name": "StackExchange"
} |
Q:
How to interpret a t-sql deadlock trace
I'm trying to sort out a deadlock by looking at the t-sql trace but I'm struggling to understand the information. I have a summary of the info here and then the full deadlock trace at the end of the post:
The first lock is on a table called dbo.RetailVoucher
The second lock ... | {
"pile_set_name": "StackExchange"
} |
Q:
Is the word typeable with keys adjacent to each other?
Before reading this I suggest reading this little puzzle: https://puzzling.stackexchange.com/questions/11408/longest-word-with-adjacent-letters-on-a-keyboard
I want you to make a program that takes one argument, a word (only lowercase letters), and outputs "Ye... | {
"pile_set_name": "StackExchange"
} |
Q:
What usage does 有 have in ~的有 (e.g. 偏向于data reseacher的有)
In the following sentence over 知乎:
从我的观察来看，不同企业对于data scientist这个title的定义其实是有分歧的，偏向于data reseacher的有，多见于大型IT企业，百度大脑的data scientist们多属于这一类型，他们搞的是比较前沿的深度学习，平常会读大量paper可能自己也会发；偏向于data creative的有，各种企业都会储备，会ETL，懂模型、懂行业，会展示沟通，比较能够创造直接的价值。偏向于data developer的也有但是很少，... | {
"pile_set_name": "StackExchange"
} |
Q:
How to extract a link from the embedded link with python?
I have a string like this:
<iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2FDoctorTaniya%2Fposts%2F1906676949620646&width=500" width="500" height="482" style="border:none;overflow:hidden" scrolling="no" frameborde... | {
"pile_set_name": "StackExchange"
} |
Q:
Bitminter - no rewards when more work was done?
Very new to this concept, why would something like this occur on Bitminter's pool?
Completed Duration Difficulty Pay/Hour at 1 TH/s Total Thps Your Ghps Your work
2014-10-25 15:02 1h 46m 35,985,640,265 being paid now 2,436.1 10.7 15,856
2014-10-25 1... | {
"pile_set_name": "StackExchange"
} |
Q:
iterate over a Json file and insert into db in Python
{"groupId":"org.springframework","artifactId":"spring-jcl","version":"5.1.2.RELEASE","file":"/home/howie/.gradle/caches/modules-2/files-2.1/org.springframework/spring-jcl/5.1.2.RELEASE/f0d7165b6cfb90356da4f25b14a6437fdef1ec8a/spring-jcl-5.1.2.RELEASE.jar","depe... | {
"pile_set_name": "StackExchange"
} |
Q:
Why does a select query require an IX lock?
While inspecting the deadlock graph below, I found that a SELECT query (only query inside the SP being executed by the first process process569f048) and an UPDATE query forming a deadlock; and the SELECT query is requiring an IX lock.
In what situation such locks are nec... | {
"pile_set_name": "StackExchange"
} |
Q:
Derive a 2D recurrence from a set of linear recurrences
Given a set of high-order linear recurrences:
$A(1, n): 0, 1, 0, 1, 0, ...$
$A(2, n): a_{n} = 2a_{n-2} - a_{n-4}$
$A(3, n): b_{n} = 3b_{n-2} - 3b_{n-4} + b_{n-6}$
$A(4, n): c_{n} = 4c_{n-2} - 6c_{n-4} + 4c_{a-6} - c_{n-8}$
ans so on.
I want to derive 2D recu... | {
"pile_set_name": "StackExchange"
} |
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