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How to encode video with ffmpeg form videocapture Mat I'm trying to make video editor tool. [Environment] C# WPF OpenCVSharp4.5 When encoding video,I have to set some config.(fps/width/height/codec/bitrate/field-order) But,can't set field-order with opencv's videowriter. VideoWriter video = new VideoWriter( ...
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Create an underlying taxonomy for tags Motivation I am quite fit in Java so I want to help people with their Java questions, but when I look at new questions with the Java tag, the vast majority of them relate to features of third-party libraries that I know nothing about so I give up after a while. A lot of people see...
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Add Multiple extensions to string VB.net I have the below code that looks for the value displayed in a combobox then populates a listbox with the selected file names that relate the extension selected (maybe the code will make more sense!) Private Sub ComboBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Han...
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Creating a rich-text editor interface I am new to html forms. I am trying to create TextArea that has an HTML interface (rich text editor interface). I do not an have idea on how to begin. I am using PHP and JavaScript on my site. Can somebody please give me a hint? Either way I don't have the answer for you but you s...
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Additional prefix and suffix required when windowing an OFDM symbol? To reduce out of band energy, it is common to apply a Raised Cosine filter to the front and back of an OFDM symbol. It is also common to overlap the windowed portions of adjacent symbols to eliminate amplitude dips. For an OFDM symbol consisting of a ...
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How to exit a C++ program if the declaration of a global variable throws an exception? I have a program where I need an instance of a class to be global (it is const), but the constructor of the class requires a particular text file to exist (if it doesn't exist the program should quit). If I throw an exception in th...
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Web preview equivalent in elastic beanstalk AWS Does elasticbeanstalk have a same feature as web preview in aws amplify? How can I deploy my PRs to elasticbeanstalk automatically to test if it is working properly? CodePipeline integrates with beanstalk. yea. but for every Pull request, i need to set up a new environm...
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Error: Local workspace file ('angular.json') could not be found I have travis-ci integrated with my GitHub account (https://github.com/pradeep0601/Angular5-Router-App). When I updated @angular/cli version from 1.7.4 to 6.0.0-rc.3, the build started failing with an error: Local workspace file ('angular.json') could not ...
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$H^s(\mathbb R^d) \subset \bigcap_{2<p<\infty} L^p(\mathbb R^d)$ $0<s<1/2$? Consider Sobolev spaces $$ H^s(\mathbb R^d)=\{f\in \mathcal{S}'(\mathbb R^d): \mathcal{F}^{-1} [\langle \cdot \rangle^s \mathcal{F}(f)] \in L^2(\mathbb R^d) \}$$ where $\langle \cdot \rangle = (1+ |\cdot|^2)^{1/2}, s\in \mathbb R,$ and $\math...
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Trouble recalling hashes from file in Perl This phone book script works well in memory but I am having a difficult time recalling the saved data on re execution. The hashes go to the text file but I have no idea how to recall them when the script is starting. I have used "Storage" to save the data, and I have tried to ...
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Is smoking weed legal or just tolerated in Colorado? On 1.1.2014 at least 24 pot shops opened in Colorado and I wonder if smoking marijuana is now legal or just tolerated as long as you don't smoke on the street (like in Amsterdam). What are the differences between Colorado and Amsterdam? Are there any restrictions fo...
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Linear integral with 2 points in space $ \int_{AB} yz dx + zx dy + xy dz $ This is my line integral and I need to find out a method to solve it. I have 2 points A(1,1,0) and B(2,3,1). These 2 points form a line in space. What I find hard to comprehend is that I have to apply this theory: $ \frac {\partial P}{\partial ...
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ggplot2: use colour / shape / ... inside and outside of aes() in a flexible plotting function The goal I'd like to have a function that processes some input X and produces a gglot graph using geom_point. That function should allow to map columns of X to various aesthetics inside aes() (via arguments .shapefac, .colfac,...
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Fueling strategy while running a marathon in warm weather I'm going to be running in the London Marathon in two weeks. Initially my target time was to run sub 4 hours. Its my first marathon and my training had been going quite well until the last two weeks. I've been doing a long run every Sunday. The longest I've done...
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Kendo UI Dynamically Change Datasource String (XML) I have a Kendo Grid that binds to an XML DataSource. How can I have the DataSource change, based off the selection of a drop down list. Example: //Create DataSource var gridDataSource = new kendo.data.DataSource({ transport: { read...
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How can I convert including timezone date in swift? I want to convert 2015-08-14T20:02:25-04:00 to 2015-08-14 16:02 I tried below, but it could't execute well(returned nil). let d = "2015-08-14T20:02:25-04:00" let formatter = NSDateFormatter() formatter.dateFormat = "yyyy-MM-dd HH:mm:ss ZZZZ" let date: NSDate? = format...
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Turn off transparency for Windows 7 taskbar only I don't like the semi-transparent nature of the Windows 7 taskbar. When a white window slides down there it makes the icons and, more importantly, the Workrave (http://www.workrave.org/) toolbar, hard to see. Is there a way to disable transparency ONLY for the taskbar...
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input 4 digit number after typing without pressing enter with python I am trying to make an input for a four digit number, and exactly when I finish typing the number I want the number to input. Hello and welcome to StackOverflow. Please take some time to read the help page, especially the sections named "What topics ...
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Laravel 5.5 empty object Good afternoon guys, I'm having an issue I don't know if you have the same trouble, I upgrade my Laravel project and now all routes like this Route::get('detail/client/{client}', "controller@method") are breaking everything because the object instanced in the controller comes empty... public f...
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Unable to make the chrome extension work in the background when the extension is closed The setInterval script works when the popup is open. But when the extension is closed, the script doesn't run in the background. Here is the code: Manifest.json: "browser_action": { "default_icon": "iho.png", "default_popup": ...
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Unhandeled exception Type 'String' is not a subtype of type 'int' of 'index' I am getting unhandled exception in my code and my app is not working. This is the only one error which I can find in the logs: ERROR:flutter/lib/ui/ui_dart_state.cc(186)] Unhandled Exception: type 'String' is not a subtype of type 'int' of 'i...
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Django - guidance needed I am developing a web-site using Django/Python. I am quite new to this technology and I want to do the web-site in a right way. So here is my problem: Imagine, that there is a Product entity and product view to display the Product info. I use (product_view in my views.py ). There is also Messag...
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How should I get the original comment while processing the reply I'm working on a comments section for my template. And I need to do something like this: Comment: -This was my original comment And this is my reply to the original comment. So I wanna cite the original comment inside the comment that was a reply to t...
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Using SOQL aggregate functions I have a table in salesforce that stores the topic selected by a person and a person may select the same topic multiple times. At a high level this how the data is stored. {"Person1, "Topic1", "Person1", "Topic1", "Person1", "Topic2", "Person2", "Topic3", "Person2", "Topic1", "Person2", ...
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How can I dock a text area inside a div I have a textarea inside a div. What property should I set so that the textarea is docked to all sides of the div? In other words, how can the text area fill the space inside the div? I started writing JavaScript but there must be a simpler option. As you can see by the answers ...
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Fibonacci string array revised Maybe I misunderstand my assignment last time.The actually problem description should be like the following: I have an array: A B AB BAB ABBAB BABABBAB The number of each term of the array is base on the Fibonacci number. Put the n-th string and the n+1-th string together, then producing ...
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Code design for reusable drag&drop UI parts in android I am new to android and writing an learning app for children in primary school. The app is for practicing simple calculations (add and subtract). So far, I have finished the UI design and written a simple proof-of-concept implementation to demonstrate the basic usa...
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legend() not displaying datasets properly I'm attempting to display 2 major datasets namely "Type2" (red squares) and "Type1" (blue circles) in the legend. Nevertheless, since my plot involves subgroups of "Type1" and "Type2" (A,B are subgroups of each), there are 4 items appearing in the legend. Please take a look at ...
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Can I use 'Deferred' XEPs, like "XEP-0142: Workgroup Queues"? I want to implement the functionality same as defined in the XEP-0142 (Users to contact a representative of an organization or workgroup without knowing the address of a particular member of that organization or workgroup). But in XEP-0142 site says "Imple...
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Padding schemes reversal and space efficiency My crypto course proposes the following padding schemes: $\operatorname{pad}(m) = m \mathbin\| 0^i$ $\operatorname{pad}(m) = m \mathbin\| 10^i$ $\operatorname{pad}(m) = m \mathbin\| 0^i \mathbin\| E(\left|m\right|)_l$ $\operatorname{pad}(m) = E(\left|m\right|)_l \mathbin\|...
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Accuracy of a multimeter over 10 years period Datasheets of multimeters contain accuracy specifications. One parameter is usually accuracy over period of 1 year. I understand that it means multimeter can be off by the specified value. For example Keithley 2000 for 100mV range: 1 year accuracy = 0.005% (of reading) + ...
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Finding a MST using a set of weights and building a tree using another set I'm working with minimum spanning tre (MST) and I'm new using boost. My problem is that I want to generate a MST using one weight vector, and after that, reconstruct the tree using another vector. Maybe I could explain better with a code: usin...
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Semi-conjugacies between interval and circle maps There are examples of self-maps of the circle which are semi-conjugate to self-maps of a compact interval. A famous one is the covering map $z\mapsto z^2$ of the unit circle which is semi-conjugate to the tent map, and also to the Chebyshev polynomial $[-1,1]\circlearro...
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Declaring the field of a class without prefixing it with the class private static final Color DEFAULT_PEN_COLOR = BLACK; private static final Color DEFAULT_CLEAR_COLOR = WHITE; This is a part of my code thats is having an error that says that the symbols BLACK and WHITE cannot be identified, even when I put import ...
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How can I capture iSight frames with Python in Snow Leopard? I have the following PyObjC script: from Foundation import NSObject import QTKit error = None capture_session = QTKit.QTCaptureSession.alloc().init() print 'capture_session', capture_session device = QTKit.QTCaptureDevice.defaultInputDeviceWithMediaType_(QTKi...
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Sort table in Angular component I have two Angular components, one is the whole page which loads another component which is just a table. The table is loaded through <app-detections-table [dataSource]="dataSource"></app-detections-table> in detections.component.html. In detections-table.component.html I've added <tabl...
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How would you play this hand? No Limit Hold'em 7 players at the table, I am SB with around 10 BB in my stack Average stack is around 15-20 BB One person in middle position calls the BB, everyone else folds Back to me - I have AQ offsuit, and raise to 2.5 BB. I have been either raising to 2-3 BB or folding pre-flop for ...
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What tool can I use to transcode my videos to Webm? What tools can I use to transcode my videos to Webm? Have you looked at the official site for the WebM project? http://www.webmproject.org/
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Unable to extract fields form log line containing a mix of JSON and non-JSON data using grok in Logstash I am running a couple of Spring Boot applications in Docker containers. Since I don't want to log to files, I am instead logging to the console and then using logspout to forward the logs to Logstash. I am using log...
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Learning about Power Spectral Density I am sorry to ask a basic question. I am new in signal processing and want to know about the difference between PSD and fft. I have a audio signal. Which I convert into PSD by using pwelch in matlab. But, when I plot this signal, I want to see the frequency (hz) in x axis and energ...
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How to get bitbucket webhook payload data in AWS Codebuild Bitbucket sends a payload in the webhook . AWS Codebuild allows to use some of the data passed within the payload but not all of them. I am interested in the pull request ID and the pull request state (Open/Merged/Decline). After looking at the documentation I ...
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React Tailwindcss dropdown doesn't open. Click on the dropdown button but dropdown dont open I'm tryinng to use react tailwind css navbar. Everything is all right but dropdown is not working. I clicked on the icon but never open dropdown. I can't found the problem. Please help me out to finding whats the wrong in my co...
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swift 2: Sprite tilting effect Looking for a method to tilt a sprite upwards on the right side when tapping the screen (like in flappy bird) Like a start of a rotation that returns to the place it were. I will use this as an effect of going faster then the sprite normally does. I'll add the code I got so far below: var...
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.net 3.5 modify DataSet query at runtime I'm sure something like this has been asked before, but I can't seem to find exactly what I need. Say I added a DataSet component to my VS 2010 .NET 3.5 project - it's executing and filling up alright and is very easy to use. But what if i wanted to make small modifications to i...
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Linux how to convert time format to epoch time? I have the following time format: 2019-03-08T17:35:44Z How can I convert that, using nothing but Linux commands, to epoch time? Use: date -d "2019-03-08T17:35:44Z" +%s 1552066544 To get the current epoch time: date +%s 1552085639 Please abstain from answering obvious ...
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Does replacing statements by expressions using the C++ comma operator could allow more compiler optimizations? The C++ comma operator is used to chain individual expressions, yielding the value of the last executed expression as the result. For example the skeleton code (6 statements, 6 expressions): step1; step2; if (...
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How to easily keep track of similar looking wires So my irrigation system has 4 cables which each contain 6 bundled wires. To make things worse, the 6 bundled wires are the same color between the four cables (red, green, blue, yellow, white, black) and all have the same sheathing color. I'm going to be replacing and re...
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Service methods not working in android I just created a service as shown below : package com.example.timepass; import android.app.Service; import android.content.Context; import android.content.Intent; import android.location.Location; import android.os.Bundle; import android.os.IBinder; import android.widget.Toast; ...
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Problems with Publish Web giving blank page I have written my first asp.net website and I'm ready to deploy. I've followed this tutorial to the letter in order to test first and all seems to proceed without any hitches or errors. However, the webpage gives a blank page with nothing rendered, only <html><head><style typ...
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All possible electromagnetic Lorentz invariants that can be built into the electromagnetic Lagrangian? Given the electromagnetic Lagrangian density $$ \mathcal{L}~=~-\frac{1}{4}F_{\mu\nu}F^{\mu\nu}~=~\frac{1}{2}(E^2-B^2) $$ is a Lorentz invariant, how many other electromagnetic invariants exists that can be incorporate...
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routes not directing in laravel application I am surprised this is not working but maybe I am missing something...I am trying to access from the main page (index.php) either the login page or the signup page. I created both routes to be handled. When I click on the link, it goes to another page such as /website/login a...
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How can I segregate the application jar and dependencies? I've a spring-boot application with maven, the final jar is of 96MB+ and I want to reduce that jar size by excluding dependencies jars from final jar and keeping them in one remote location and redirecting the dependencies location from final jar. By removing sp...
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How to create a basic custom QGraphicsEffect in Qt? I have been trying to create a basic QGraphicsEffect to change the colors of the widget, but first I tried to make an effect that does nothing like so: class QGraphicsSepiaEffect(QtWidgets.QGraphicsEffect): def draw(painter): pixmap = sourcePixmap() painter....
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Updating a table with PHP and MYSQL <?php require("inc_connect.php"); ?> <h1 align="center">Farris Website</h1> <hr width="1000"> <p align="center"> <table align="center" width="1000" border="3" bordercolor="#0066FF" > <tr> <td align="left" valign="top"> <form name="update" method="post" action="e...
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How to prove that angular velocity is not a derivative of angular displacement? The angular velocity $\omega$ of a two-dimensional solid body is given by $$\omega = \hat{z} \cdot \frac{\vec{r} \times \vec{v}}{r^2},$$ where $\vec{r}$ and $\vec{v}$ are the position and the velocity of an arbitrary point of the body relat...
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Unhashable type in python I am trying to call functions of a C based .dll from python, by creating wrappers.I face a scenario where i need to create a callback in python for a function in that .C dll. In C, The callback function is of type typedef void (*Log_Callback_t)(void * pDataParams, uint8_t bOption, Log_Entry* p...
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correct logical URI for fs.defaultFS and dfs.nameservices? i followd apache documentation for setting up Hadoop HA Namenode in core-site.xml i have the following <property> <name>fs.defaultFS</name> <value>hdfs://apache-hadoop-namenode:8020</value> </property> in hdfs-site.xml <property> <name>dfs.nameserv...
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Does TWRequest work for the twitter streaming api? I am trying to make a basic iphone app that shows nearby tweets. I was using the TWRequest object to accomplish this with the twitter search api. Unfortunately, I would actually like to mark the tweets on a map using their GPS coordinates and the search api doesn't see...
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Set Iam Policy using Resource Manager Python V3 GCP API doesn't have a policy field? I am trying to add service accounts to a certain role in a project in GCP. In order to do so, I get the IAM policy and then add the accounts desired, but am unable to get set_iam_policy to work correctly. I add the projects_to_add to t...
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What does SoC stand for? … and no, I do not mean System-on-a-Chip. I stumbled upon this question which was using the acronym in the context of graphics, and found myself wondering about its meaning. Neither the question nor the answer further explained the acronym, and a search on google only got me "system-on-a-chip"...
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Get variables from php file to bash sh script Im building a shell script to automate some process on my work. I need to pull some variables from a php they are created like this: return [ 'db' => [ 'table_prefix' => '', 'connection' => [ 'default' => [ 'host' => 'localho...
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How to POST data from js to php scripts other than controllers in laravel I'm trying to post some data from my js to a php script which is not a controller using ajax but I can't get it to work. I put the script in app/Classes Here is what I've done so far.My Javascript: $.ajax({ url:'apps/Classes/TheScript.php', ...
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Create a fragment many times with different data and add to back stack I create one fragment with many items because the number of items is not known I want when clicked in every item that same fragment recreate it(like child fragment) and add to back stack With information about each specific item and when back presse...
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How do I include an activeX library in my C++ project? I would like to add a third party library to my C++ project. The library is ActiveX and I have to admit, that I have no experience with that. I tried to google the solution but could not find one that fits for me. I'm using Visual Studio and my project is not MFC. ...
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Trying to understand pointers and threads I am fairly new to C and trying to understand threads and pointers. As far as i know, this line creates a thread rc = pthread_create(&threads[t], NULL, PrintHello, (void *)t); The fourth arg is taking the argument for the pointer function (void *)t, and this is a pointer to t...
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How to find unique values by group in datatable Frame I have created a datatable frame as follows, DT_EX = dt.Frame({'cid':[1,2,1,2,3,2,4,2,4,5], 'cust_life_cycle':['Lead','Active','Lead','Active','Inactive','Lead','Active','Lead','Inactive','Lead']}) Here I have three unique customer life cycles and...
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How to get direction of rotation from linear velocity of pendulum? I have a class called Pendulum which has getters and setters allowing it to calculate its angle of rotation if given some inputs like: initial angle, current time (which is used to calculate dt), etc. I am using THREE.js One of these getter methods is c...
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How to create a squiggle arrow with some text on it in TikZ? I need to define a new command to create a squiggle arrow with some text on it. Something similar to what \xrightarrow command produces but with wiggly arrows as in \rightsquigarrow. The length of the arrow should automatically be adjusted to fit the text abo...
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simple pattern matching in python I am trying to write a basic interpreter in python. So, I am at that point where I am trying to declare whether a string entered in command prompt is a method or variable type. So not trying any fancy stuff.. s="12345" #variable s ="foo()" method s = "foo(1234)" method What is a robus...
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How do I show $ 100^{n} $dominates $ n^{2.5} $ So i'm a little shaky on limits and I want to show I could take the limit of$ \frac{x^{2.5}}{100^{x}} $ but it would get very messy with L'Hopitals rule is their an easier way to show that this goes to 0 without having to do a bunch of algebra? You can show $100^n > n...
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itunes JSON request in iOS returns an XML object I want to access information from iTunes within an iOS app. I am doing the regular http request (sending the parameters both as POST or directly in the URL) The URL works, because if I use the browser, I get the expected result (in JSON format). { "resultCount":0, "res...
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TDirectory.Delete seems to be asynchronous I have observed that calling DirectoryExists(x) immediately after calling TDirectory.Delete(x) returns true IF the folder to be deleted has few files in it AND the folder is open (in Total Commander). In other words: begin TDirectory.Delete('x', true); <-- 'Delete' exited ...
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How to schedule task in flutter android I am developing an app which requires scheduling a contract with three fields: time, date, and location. This contract is created with a specific time, date, and location input and is saved in a Firestore database. Once a user accepts the contract, it's activated. The app needs t...
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Constructing objects based on enum I have a class that builds objects based on an enum value. So several properties of these objects are based on some enum value, a type. Option 1: typedef NS_ENUM (NSUInteger, ViewType) { VTHouse, VTCar, VTChair, ... }; I have several methods that determine properties ...
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How to print exception message in C++ with catch(...) {..} This is the sample code int main() { string S; getline(cin, S); try { int val = stoi(S); } catch(...) { // cout << //exception message ; I want to print the exception message. } return 0; } Is it possible to print an exc...
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Regex Matching First URL with word What I need: I have a string like this: Bike’s: http://website.net/bikeurl Toys: http://website.net/rc-cars Calendar: http://website.net/schedule I want to match the word I specify and the first URL after it. So if i specify the word as "Bike" i should get: Bike’s: http://websi...
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Copy Text from Quicklook In previous versions of OS X a plist addition to com.apple.finder (outlined here for instance) could be used to enable select and copy in quicklook previews. This (hidden) feature doesn't appear to work anymore in Mavericks. Any workarounds? Or is the setting merely named differently? Running ...
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jquery pattern for multiple continuous ajax request I have a for each loop with an array, for each element in the array I need to retrieve data from the server so I will make an ajax request per element and store the result in another array, I need to know when the last element in the array has been processed so I can ...
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How to get the ticker-id of the main symbol that is currently selected, in a multi-security chart I have a watchlist-type chart, that is loading the tickers of a a fixed watchlist (top-10) via specific security calls. While processing the data for each security, I want to I get the name of currently select main-symbol ...
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Conditional statement to pull out last names from a list I have a list of full names (titled "FullNames") and I am trying to pull out the last names. The problem is that some of the full names include middle names (e.g., some of the items in the list are "Craig Nelson" while others are "Craig T. Nelson") which stops me...
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Error sending form fields through jquery ajax I am having a problem sending the dataString to the server. Aparently it is not pulling the values correctly from the form. Below is my jquery and my php. $(document).ready(function() { $("#submitForm").live('click', function() { updateUserInfo(); }); var...
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VisualStudio Code is completly black when started When i started VSCode it is completely black and you can't see anything. But when i enter something and exit the program it asks if you want to save the changes. And the words I entered were saved! Everything is working but the screen is just completely black. Does anyo...
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How to update the style of all the items which are iterated using *ngFor in Angular How do I apply style to all the items in the list which are iterated using *ngFor when clicked on a button which is outside the list. <button (click)="markAllAsChecked();">Mark All as Checked</button> <ion-list> <div *ngFor="let item ...
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How do I extract subpath neatly accounting for root and no root folders on java I have a Path object and a String object, the Path object represents part of the starting path represented by the filename e.g for the filename /Music/Beatles/Help.mp3 the Path object may be / /Music /Music/Beatles this simple method retu...
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Apply table() function to same column name in multiple dataframes - r I'm trying to apply the table() function to the same column in several data frames. I'm sure there is a more efficient way than just typing each line of code and changing out the data frame.. This is what I've been doing.. (data frames are abram, arl...
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In Symfony2 where do I put e.g. TCPDF? I'm on Symfony 2.0 and understood that third-party libraries go in /vendor. I have two third party classes I'm using, one is TCPDF and another is a Paypal class. Neither have formal Symfony2 Bundles. So I followed the instructions here which namespaces them and makes them usable ...
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I am sending attachment mail with send grid in codeigniter I am sending attachment mail with send grid in codeigniter . Mail send successfully But attachment file could not show after download . my code:- public function test() { $attach = base_url()."/uploads/a.png"; <EMAIL_ADDRESS><EMAIL_ADDRESS>'sss sub'...
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How can I remedy this problem? Please see the terminal log below I am trying to do apt autoremove, apt --fix-broken install, apt upgrade or apt install -f and running into these kind of errors. It looks like a vicious cycle I cannot come out of. Please help a complete linux n00b. Output of sudo apt-get update Get:1 fil...
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How can I iterate through each pixel in a .gif image? I need to step through a .gif image and determine the RGB value of each pixel, x and y coordinates. Can someone give me an overview of how I can accomplish this? (methodology, which namespaces to use, etc.) This is a complete example with both methods, using LockB...
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Not able to understand "Attention" para from USN-2872-2: Linux kernel (Wily HWE) vulnerability From USN-2872-2 , I am not able to understand what does Attention para means. The paragraph is ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to reco...
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How to concatenate strings to a array in a loop? I have a table with food ingredients, suppliers, dates, and article numbers, and need a script to automatically create calendar events when the specifications need to be renewed (dates). I had a working script but as we have more and more ingredients by the same supplier...
common-pile/stackexchange_filtered
How can the Android OS identify AndroidX fragments if they are obfuscated? I am doing a reverse-engineering work related to Android fragments. I found out in many apks (decompiled with apktool, dexToJar, ...), the androidx.fragment.app.Fragment class is obfuscated. In most of the cases the class members are obfuscated,...
common-pile/stackexchange_filtered
Trouble printing variables from other files Description I have a script → report_creator.py which will need some variables from another python script → extracted_data.py. The number of variables from extracted_data.py will always be based on the system it extracts data from (if the system has 1 server, we will have 1 v...
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Use Of Exists clause in SQL Just finished Stanford lecture on SQL (by Prof. Jennifer Widom). However I have developed a confusion regarding the use of EXISTS clause. I thought it is just like a condition and an expression so that if it's true, the above query proceeds (much like the Boolean AND). So having a slight dou...
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How to make associative array using PHP for loop to use in Yii 2 array map()? I would like to make an associative array using PHP for loop to use in Yii2 map() method. The array will look like in bellow format- $listArray = [ ['id' => '1', 'name' => 'Peter/5'], ['id' => '2', 'name' => 'John/7'], ['id' => '3', 'na...
common-pile/stackexchange_filtered
exit transition from activity not working I have three activities (A, B and C) with an image view. Activity A has a small image view, B a mid-sized image view and C a fullscreen image view. From A to B I use makeSceneTransitionAnimation for the transition. Start and Exit transition are working fine between A and B. Fro...
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Bound the conditional expectation of a random matrix under weak dependence Let $X$ be an $d\times d$ random matrix satisfying $\mathbb{E}[X]=0$ and $\|X\|_2\leq 1$ almost everywhere. Let $\mathcal{F}$ be the $\sigma$-field generated by $X$. Now suppose we have another $\sigma$-field $\mathcal{G}$, it satisfies that \be...
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I have a mongo db collection it has object of objects I want to update all the object inside the lteneighbors which has nbrtype as manual Collection data: { "globalcellid": "00201-292-0", "deviceid": "41733-CI9999-S453474X2203870-01-4G", "devicename": "41733-CI9999-S453474X2203870-01-4G", "cellname": "c...
common-pile/stackexchange_filtered
Troubleshooting "Can't connect to local MySQL server through socket" when calling mysql_real_escape_string() I am getting the error: Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) Why do I get this error? Th...
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How to automatically convert from org.apache.camel.converter.stream.InputStreamCache to Pojo using Jackson in a Spring Boot Camel Kotlin application In a Spring Boot 2.7. Camel 3.20.x project written in Kotlin I have a REST endpoint that receives a JSON payload. I've added the Camel Jackson dependency to deal with JSON...
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