Binary "tail" a file

I would guess most people on this site are familiar with tail, if not - it provides a "follow" mode that as text is appended to the file tail will dump those characters out to the terminal. What I...

Why does using CGI::escape for my link URL make my browser take me to the wrong place?

I am using the CGI escape method to escape the url for the href link tag. Without the escape() call the link works fine in my browser because it is smart enough to translate the spaces as part of...

Unable to get click event in D3 JavaScript library

I am using D3 JavaScript library to display data as a force directed marker. It works fine. But I am unable to add click event to the circle. so when I click on the circle, I get detailed analysis...

Doesn't find my variables when running perl script with cron

I'm facing a very strange problem. I'm running a script on a Squeeze Server with perl 5.10.1 from backports running. When I run the script from the console, it works perfect. But when I tried to...

Responsive design - A Read More button only on smaller screens

We need to be able to limit the amount of text shown on a mobile device. We were hoping to do so in a similar way to the various 'Read More' plugins going around...

Upload video files via PHP and save them in appropriate folder and have a database entry

I want the user to be able to upload video files to my site and I want them arranged in proper folders plus a database entry so that later I can know the person who uploaded each particular...

Is Java's URI.resolve incompatible with RFC 3986 when the relative URI contains an empty path?

I believe the definition and implementation of Java's URI.resolve method is incompatible with RFC 3986 section 5.2.2. I understand that the Java API defines how that method works, and if it were...

Weblogic12 + Log4j logging not writing to server logs

I know there are lots of Q's regarding this, but I did go through all of them, and kinda confused myself more, I am listing the steps I followed, please let me know where I messed it up. I just...

Create Multi-page Index File(TOC) for merged pdf using itext library in java

How can I write a multi-page ToC to the end of a PDF consisting of merged documents, using iTextSharp? The answer to...

How to add an arrow links in D3.js?

i want to put an arrow on one end of the link. i have managed links but unable to draw arrows. here is my code that works properly but the problem i have mentioned above just help me out how can i...

jQuery popup on page load

At the moment,if I select an age and then click on a button,the age verification pop up comes up.But I would now want this popup to show before anything else on the site. How can I make my age...

select2 onchange load first 5 selected tags to div 1 than rest should move to div 2

select2 on change selecting tags is working fine, but i need to split those selection into 2 divs, Div 1 - First Selected 5 Tags needs to be loaded in div 1 Div 2 - after 5 whatever the user...

Merging JS/CSS/HTML into single HTML

I have a small local web-application of 2 HTML files, 6 CSS files and 11 JS files. Would the web-application still work if all of these files were (properly) copy-pasted in a single HTML file,...

Why is Document.insertString()'s runtime not constant-time?

I am working on creating a logger to show output as part of a larger Java swing GUI. Unfortunately I was experiencing a slowdown after adding it. I have traced the problem to repeated calls of...

Tesseract Segmentation fault for custom font (lang)

(I'm new with Tesseract, could miss understand lot of things). I followed this article to train Tesseract for a specific font. Everything worked as expected, so I have in my...

Run-time Equivalent to Assign Local Data... for TClientDataSet and TSQLQuery

The TSQLQuery class is unidirectional, so for it to be used as a source for a data-bound TDBGrid, a TClientDataSet needs to be linked between the TSQLQuery and the TDataSource that the TDBGrid is...

Append access query to excel sheet

I have been all over SO the last few days and have some vba/SQL that ALMOST does what I want/need. I have gotten my excel workbook to open.. but it won't copy my query results to the sheet, and I...

Use a configure substitution in `lib_LTLIBRARIES`

I am trying to implement with Autotools a “multiversion option” for my shared library: in case the user enables it, the library must be able to cohabitate with other versions of itself. That...

Couldn't open file /packages/repodata/repomd.xml

I am using Redhat Linux server and trying to install the MongoDB on it. I am following steps given in the link: https://docs.mongodb.com/manual/tutorial/install-mongodb-on-red-hat/ Step 1: Create...

moltenvk project makefile- how to link via clang

This file: MoltenVK Runtime User Guide offers a nice description of how to link MoltenVK to a project that uses it, within XCode. I prefer using makefiles, as it removes the need to boot up XCode...

CKEDITOR - I can't fill any fields - No focus on inputs

I've asked my question on the Github page of CKEDITOR here, I've been asked to ask it here: https://github.com/ckeditor/ckeditor4/issues/3555 I'm working with CKEDITOR to make content...

How to keep NVCC from generating compatibility for other 11 SM architectures?

When I build PCL library on Jetson TX2 from source via CMAKE, I get the following debug logs among other msgs: -- CUDA NVCC target flags: -gencode;arch=compute_30,code=sm_30; ...

Element must be detached

I am reading a Google Sheet files and merge to a Google Document. The template has a tables and the first line for replace text has a table. The next line does not have a table structure and I...

How to copy to clipboard in safari using jquery/javascript?

I looked into a bunch of answers and articles which show how to copy text on button click via jquery but none of them worked for me. I am appending a value through ajax into the DOM and i would...

vb6 "regfreecom" autocreate manifest for ocx file

I think I need to create a manifest file for MSCOMCTL.ocx to use in my VB6 application (reg free) I will also need to update/create the .res file Then I will need to use ManifestCreatorII It has...

R - In sqrt(1 - h * h) : NaNs produced from within rcorr - full sample data available

I have some code that creates a matrix of survey question responses, Rows - answers to the questions from a unique survey instrument, columns the individual questions. A final column has been...

Devise & Ruby on Rails: How to resolve "Completed 401 Unauthorized" when trying to Log In

I'm trying to use the Devise gem (v4.7.2) with Ruby on Rails (v6.0.3.2). I'm receiving the following output when I click on the Sign In button: Started POST "/users/sign_in" for ::1 at 2020-11-21...

Google Sheets api append method is not adding a line after the last row

It is supposed that values.append method should add a line when it meets an empty row starting from the first row of the defined range. If there is no gaps between existing rows, then it should...

Why does this official React testing recipe using await/act/async actually work?

I've been working with Javascript for a couple of years now, and with my current knowledge of the event loop I'm struggling to understand why this testing recipe from the React docs work. Would...

C# How do I append code to the end of a running .NET .EXE, preferably from inside that .EXE?

Can a running .NET .EXE append data to itself? What's stopping it? I could launch a separate process to do it just fine. But I can't figure out how to write to itself while it's running. Is there...