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In order to add a key/value pair at the end of the section in INI file, I would like to: Find the match section name and check if next square bracket (i.e. ^[) is available. If so, find the last...

I have a lot of files named like this: DOS1, DOS2, DOS3, DOS4, ..., DOS128. Each file contains four columns (first column is the same) with numbers, like this: DOS1 is: 33 12 1 2 16 32 8 1 9...

I have the following csv file: ID,PDBID,FirstResidue,SecondResidue,ThirdResidue,FourthResidue,Pattern RZ_AUTO_1,4tov,1404,1405,1518,1519,CG/AA Canonical ribose-zipper RZ_AUTO_2,4tov,1405,1406,1517,1518,GU/AA Naked ribose-zipper RZ_AUTO_3,4tov,1043,1044,1047,1048,CC/GA Naked ribose-zipper RZ_AUTO_4,4tov,1556,1557,1514,1515,CC/GA Naked ribose-zipper RZ_AUTO_5,4tow,130,131,99,100,AU/CA Canonical ribose-zipper RZ_AUTO_6,4tow,766,767,1524,1525,AA/CG Canonical ribose-zipper RZ_AUTO_7,4tow,131,132,98,99,UC/AC Canonical ribose-zipper I need to go through each row and print rows where the...

I'm effectively looking to change the 'Could' in this question to a 'what' or 'How'. Could higher land-based life exist on a planet with a pressure of about 1 MPa? I'm working on a story in which humans visit a...

ORIGINAL QUESTION I want to add a series of dummy variables in a data frame for each value of x in that data frame but containing an NA if another variable is NA. For example, suppose I have the below...

My new workplace is heavily using functional java Either for its error handling (http://www.functionaljava.org/javadoc/4.5/functionaljava/fj/data/Either.html). exceptions are almost not used at all. This is very annoying imo for many reasons. To name one: Every api call (which returns an Either) inside...

I give you a hundred blank cards, and you can write a single positive integer on each card. I look at the cards when you are done, then I shuffle the deck. I guess the top card of the deck,...

Trying to push the source code to a scratch org I get the following error: The entity: Opportunity does not have history tracking enabled (998:13) But there is no option to specify on the scratch org definition file to enable...

Is using TL:DR Unprofessional?

bhilgert yesterday at 19:52. 7 answers, 900 views professionalism
Recently I was tasked with writing an email for a wide audience of both mid-managers and technical IT personnel. I needed to explain technically why an event occurred and provide key points to management so they could act upon the...

Do routers ever combine multiple small frames into a jumbo frame then split them up again on the other end? I know that most of the time it wouldn't make sense to do because you would add latency by waiting...

Does newer MacBook Pro need anti virus

Nofel yesterday at 19:16. 2 answers, 116 views macos mac
I am purchasing MacBook Pro 2017 with Touch Bar and I was told by one customer representative of the shop that you need anti virus because old one use to come with build in anti virus but not the new...

On a recent launch video, the gantry is at an angle and only loose tethers are attached as the rocket is prepared for launch. What is keeping it upright and in place at this point? The engines haven't started and...

My character fell into boiling mud and I used misty step to get out. When I teleport am I still covered in boiling mud, and will I continue to take damage?

I have variables in a bash script that I need to be carried over into a perl one. I have the variables $gal and $obsid declared in the bash script, and then I call the new program. $gal=UCLA121 $obsid=1896 ./my_program...

This post is about 1+1d. It is often said that conformal field theory has an infinite-dimensional symmetry generated by the Virasoro algebra: $$ [L_n,L_m] = (n-m) L_{n+m} + \frac{c}{12} n (n^2-1) \delta_{n+m,0}. $$ (Similarly for the anti-holomorphic branch with generators...

What is Symantec Backup Exec (TM)? I noticed that it is running in one the database server i am maintaining. I am a newbie in db administration and i am not sure what it is. It is running DBCC CheckDB...

My feral kitty (isn't feral anymore), Shorty, Loves to sit in front of my Gigantic old beast of a laptop for the heat and to keep an eye on my cursor. But when I'm not looking or want to hear...

Is there any significant difference between this two functions? struct Object { Object(int i) : i{i} { } int i; }; Object f() { return {1}; } Object g() { return Object{1}; }

In the story I am writing right now, a scene portrays the attempt to kill the main character in his own apartment. After having studied the floor plan, the assasin decides to shoot him from the neighboring flat - through...

I have a problem with a shapefile I created exporting features from another shapefile. I have all my lines visible but their rows only appear in the attribute table window when they're selected, do you know why and how can...

I'm trying to sign data using the WebCrypto API, but instead of creating a private/public key and exporting it to pkcs#1 or 8, I would really like to use a user's PKCS#12 to sign data. I've read the W3C spec,...

I understand that in Java assignment evaluates to the value of the right operand so statements like x == (y = x) evaluate to true. This code, however, outputs false. public static void main(String[]args){ String x = "hello"; String y...

During Expedition 41 Reid Wiseman and Alexander Gerst replaced a failed pump on the outside of the ISS. I am guessing they took the broken pump back inside the ISS and returned it to earth in one of the cargo...

How would i be able to set my 3d manipulator so that one of the axis is parallel to the face of what im moving, i want to move it parallel to the face of the plane.

Along side the question "Username is not in the sudoers file. This incident will be reported" that explained the programical aspects of the error and suggested some workarounds, I want to know: what does this error mean? X is not...

This question / answer discusses the issue of Couple's showing affection in public. In regard to that, I was wondering whether it would be permitted / appropriate for a couple to sleep in a bed together, in a place which...

I have the following code \documentclass[12pt,oneside]{book} \setlength{\parindent}{0em} \setlength{\parskip}{1em} \usepackage[a4paper,bindingoffset=0.2in,% left=0.5in,right=0.5in,top=1in,bottom=1in,% footskip=.25in]{geometry} \usepackage{fourier} \usepackage{amsfonts,amsmath,amssymb,amsthm} \usepackage{mathrsfs,mathtools} \usepackage{tikz,pgfplots} \usetikzlibrary{calc,arrows,arrows.meta,shapes,tikzmark,decorations.markings,decorations.pathreplacing} \usepackage[makeroom]{cancel} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage[english]{babel} \usepackage{array} \usepackage{caption} \usepackage{float} \usepackage{graphicx} \usepackage{multirow} \usepackage{longtable} \usepackage{enumitem} \usepackage{xcolor,colortbl} \usepackage[colorlinks=true,breaklinks,plainpages=false,linkcolor=blue!50!black,urlcolor=blue!50!black,citecolor=blue!50!black,bookmarks=true,bookmarksopenlevel=2]{hyperref} \usepackage{fancyhdr} \fancyhf{} \renewcommand{\headrulewidth}{0pt} \cfoot{\thepage} \begin{document} \frontmatter \pagestyle{empty} \begingroup \addtolength{\jot}{1em} \[ \begin{aligned}...

During the Battle of Coruscant, Anakin and Obi-Wan were the only 2 Jedi who were tasked with rescuing the Chancellor. Now similar to the Battle of Geonosis, Yoda and Mace Windu bring all the Jedi on Geonosis for a rescue...

Dryden Voss, the iconic villain in Solo: A Star Wars Story, has some pretty radical facial scarring. I'm wondering if there is any evidence how he got these scars? In particular is it possible he got the scars in battle,...

I use Blend to color my ListDensityPlot. In my code below, I use white for zero. I would like to use white between -0.6 to 0.6. How should I change (Blend[{{-0.6, Blue}, {0, White}, {0.6, Red}}, #] &)] graph =...

Can't delete empty folder because it is used

Black yesterday at 10:54. 4 answers, 2.680 views windows windows-10
I try to delete an empty folder, but I can't because the windows dialog says it is used at the moment. How can a empty folder be used?? How can I solve this, without having to restart the computer or...

I sometime express my personality too much in my more creative fiction. When I get going, I include slang words and phrases that sound fascinating and are comprehensible to me, but may not be interesting or understandable to my readers....

Bake me some moji

Adám yesterday at 10:35. 7 answers, 1.131 views code-golf string conversion unicode encoding
Given a string, character list, byte stream, sequence… which is both valid UTF-8 and valid Windows-1252 (most languages will probably want to take a normal UTF-8 string), convert it from (that is, pretend it is) Windows-1252 to UTF-8. Walked-through example...

If $X$ is a smooth manifold, we define its kth ordered configuration space as $$F_kX:=\{(x_1, \ldots,x_k) \; | \; x_i \neq x_j \,\, \mathrm{if} \, \, i \neq j\},$$ in other words, $F_kX = X^k - \Delta,$ where $\Delta$ is...

Think action movie. Think two heavily-armed men - one chasing the other over rooftops, down through buildings and into the mean streets of a crowded city. Think big guns, explosions and other loud noises. Think danger. Think high-octane thrills. The...

This question is primarily discussing maths education for adult learners, on courses teaching engineering mathematics at an undergraduate level. These students generally never set out specifically to learn mathematics, but need to in order to obtain necessary qualifications for their...

According to this article Russian government believes that 2018 World Cup will help Russian economy on the medium term: a survey by the Russian government last week. It said the World Cup's boost for the country's gross domestic product (GDP)...

I'm on the advanced apex super badge step 7, and before this I thought I had a good understanding of order/orderItem/pricebookEntry/product2/pricebook2 objects. However, upon creating my own relationship/data model of the objects, I'm getting a bit confused about when to...

Suppose I've written a paper which someone else (who I do not know) has built on. The new work is intimately related to mine; it would not have existed without my paper. I'm now asked to review the paper. Should...

$$y_{n+1} = 2y_n + 1$$ To solve this I think I need find "any" one particular soln and add it to homogeneous solution. Homogeneous solution is $2^ny_0$ For particular solution if I substitute $y_n = an$, $$a(n+1) = 2an +...

Incredibles 2 is released and I noticed that Huck Milner did the voice for Dashiell "Dash" Parr in the movie. In the first film The Incredibles, Spencer Fox was the one to voice the character. Why was he replaced? Most...

"How do I show that a two-qubit state is an entangled state?" includes an answer which references the Peres–Horodecki criterion. This works for $2\times 2$ and $2\times3$ dimensional cases; however, in higher dimensions, it is "inconclusive." It is suggested to...

The power of a magnetron declines over time\$^1\$. While not noticable for most consumer applications (A 2000-hour lifetime would last over 20 years if the device is used only 15 minutes a day), this is a problem in industrial situations....

I observed that the value of each of the following expressions $\lim_{x \rightarrow 1} \frac{x^n - n x + n - 1}{(x-1)^2}$, $\sum_{i=1}^{n-1} i$ and $\int_{0}^{n} [t] dt $ are the same, that is, $\frac{n(n-1)}{2}$. What is the relationship among...

What is a “bag of rats”?

HellSaint yesterday at 05:20. 2 answers, 2.066 views terminology
I have seen the term "bag of rats" being used quite frequently (RPG.se search for bag of rats, for example), mainly, but not exclusively, in D&D. It seems to be considered a problem or exploit. What is it, where does...

In the teaser for Fantastic Beasts: The Crimes of Grindelwald, we see that Newt works under/with Dumbledore. I was wondering, In the storyline of Harry Potter, is Newt ever referenced by Dumbledore or anyone else? I might be missing something,...

One of my players, a human barbarian, came up with the idea of carrying captured rabbits, feeding them and treating them nicely, so that he can rip them apart mid-battle if he knows he will be unable to attack during...

I’m not even a CS student, so this might be a stupid question, but please bear with me... In the pre-computer era, we can only implement an array data structure with something like an array of drawers. Since one have...

Yesterday, my father-in-law sent me this photo of his greased pan: After burning olive oil on the pan and pouring out the oil, he noticed that the remaining oil formed equidistant streaks. Why did this happen? What other thin films...

I'm trying to figure out if there is a way to disable the feature of Mathematica whereby if you double click the brackets to the right of a formula + output, it collapses the output. I want to disable this...

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