Vote count: 0 I use Python. I have 100 zip files. Each zipfile contains more than 100 xmlfiles. Using the xmlfiles I create csvfiles. from xml.etree.ElementTree import fromstring import zipfile from multiprocessing import Process def parse_xml_for_csv1(data, writer1): root = fromstring(data) for nod...

Vote count: 0 I'm using the iris data, previously changed the species factor from "setosa" "versicolor" and "virginica" to "s", "c" and "v". if I code this: plot(iris$Sepal.Length, iris$Petal.Length, col = iris$Species) The data are point wich can change for example, to a square: plot(iris$Sepal.Len...

Vote count: 0 but I have noticed that my bridge variable is nil whenever I call on it from another method. I believe this is because the bridge is only set when calling on a bridged method from javascript. I have tried everything from creating delegate to create a SingleTon class. None of the above ...

Vote count: 0 Sometimes for readability it's convenient to have a = b if c else d Why is this not available for other similar functions such as try, except a = b try c except d Some examples of usage would be # if a and b contain np.nan values equal = True try np.testing.assert_equal(a, b) except Fa...

Vote count: 0 I created an imap-idle-cha el-adapter in my spring integration app to get mails from the server as fast as they are received. This is my configuration settings for the adapter: <int:poller default="true" fixed-delay="50"/> <util:properties id="javaMailProperties"> <prop key="mail.imap....

Vote count: 0 I knew how to build ANTLR project and it work good , and I knew How to build dynamic web project and it work good , But I don't knew How to build ANTLR project into dynamic web project on eclipse ... I try to convert ANTLR project to dynamic web project , But when I make servlet and pu...

Vote count: 0 I Need to take a screenshot of a part of the screen. This is the code to take a screenshot of the full screen in an iOS project: UIGraphicsBeginImageContext(view.frame.size) view.layer.renderInContext(UIGraphicsGetCurrentContext()) let imageRef = UIGraphicsGetImageFromCurrentImageConte...

Vote count: 0 Here is my problem: I have a container A (Node.js) and a container B (nginx). In the Dockerfile of container A, I build several files from the sources, as they are needed to run the server into a folder named build. I want to access this folder from container B to serve the static file...

Vote count: 0 This might sound silly but i am confused as to how to link the two tables together and my question is specific to mysql and database table design. I have 2 tables . The first table is pr_resignation_requests and the second table is pr_exit_checklists. Now foreach row in pr_resignation_...

Vote count: 0 my web application is ru ing but when I submit the html form data, the galsfish server4.1.1 throws an exception -java.lang.NullPointerException . My servlet code: package com.amir; import java.sql.*; import java.io.IOException; import java.io.PrintWriter; import java.sql.DriverManager;...

Vote count: 0 I would like to have a way with cgroups to see which threads in a cgroup are in WAIT state and which are not (basically keeps the tasks file, just "adding" another two files "tasks_wait" and "tasks_nowait") I know this data is exposed from /proc and available in the ke el, I was wonder...

Vote count: 0 I have created the following java program. Its basic functionality is to perform addition, subtraction, multiplication, division and modular division on two numbers. I have implemented the concept of object oriented programming but it is missing encapsulation. How to introduce encapsul...

Vote count: 0 I'm new to coding (currently lea ing c++ & I know a little of C)... was reading about functions in math.h and read about er o... According to the site I referred :- Domain error (input argument is outside the range in which the operation is mathematically defined, e.g. std::sqrt(-1), s...

Vote count: 0 I am making an android app in which user can download PDF and also can view it, I want to ask that how to make view option. asked 45 secs agoPrashant Jha Let's block ads! (Why?)

Vote count: 0 I have a MongoDB collection. I want to change the indexing, to have a dual index, rather than a single. So I ran: db.allnews.ensureIndex( { "url": 1, "source": 1 }, { unique: true } ) But then I get the error: exception: WiredTigerIndex::insert: key too large to index And the limit is ...

Vote count: 0 I found code for an orbit simulator and I'm trying to figure out how it works. Certain areas have been confusing me such as: mass = Msun*r**3/Rsun**3 (What is this euqation representing? Why do you need to make another mass?) x = -L+2*L*random() (Why does random need to be multiplyed b...

Vote count: 0 The following code creates new elements and ascribes an dragstart event to it. However it results in an "undefined". What am I doing wrong? for (var S = 0; S < arrInbound[i][3].length; S++){ var namesDiv = document.createElement('div'); namesDiv.id = S; namesDiv.draggable = 'true'; nam...

Vote count: 0 I keep getting a nullpointerexception when I try to sort users where a certain user has a null value in his profile. I was under the impression Google Collection would handle these null values, but it doesnt seem to work. This is the code I use: Comparator<UserModel> firstName_comparat...

Vote count: 0 When working with XML, I often encountered attribute values that are qualified with a namespace, for example: <tag xmlns:foo="http://foo.bar" att1="foo:value" /> I always wondered how far (or if at all) this is covered by the XML standard. The parsers I tried (Xerces and Saxon in Java ...

Vote count: 0 I have a code of online shop on Prestashop, and I have for example content="Shop on PrestaShop" in meta-data of current page, but when I'm trying to find that String in project in Webstorm to localize which page file it is, I get nothing, so I guess it's some php magic working there. S...