### 48 Unpaid CS internship: am I being screwed over? [closed]

I'm currently doing an unpaid "software engineering" internship in the UK and I'm extremely disappointed. I went in with the expectation that I would be working in a team, have regular code reviews, and work on something that mattered even...

### How to add to iTunes Connect users, when phone number is Apple Id

HeisenBerg 08/30/2018. 1 answers, 153 views ios iphone itunesconnect
One of our testers have their phone number as their Apple Id instead of an Email Id. This person doesn't have an Email Id signed in his phone. But when I go to Add App Store Connect User, there's only...

### 6 Why would a society of witches choose to have more boys than girls? [closed]

Incognito 08/29/2018. 23 answers, 5.097 views reality-check magic
In my story's world, witchcraft is a respected institution, with the most powerful practitioners being at the top echelons of society. Due to this, society traces its lineage through matrilineal lines. Witchcraft is exclusive to the female line. Ritual magic...

### 6 What is the meaning of “てこと”?

sklott 08/28/2018. 1 answers, 980 views translation meaning
Context is that protagonist suddenly found himself in unusual place/situation and trying to understand where he is and how he can possibly got there. After some rejected ideas he "thinks" this. (Situation in no way is related to "lever"). "Complete"...

luchonacho 08/28/2018. 8 answers, 26.373 views network wifi captive-portal
Context: I have a laptop supplied by my organisation. I am trying to connect to eduroam, but I cannot do it using my organisation's laptop. When I use a personal computer, it asks me for a username and password, just...

### 3 Heat problems when using 5 buck/switching converters in a double isolated enclosure?

Michel Keijzers 08/27/2018. 4 answers, 551 views heat step-down enclosure
I want to use 5 step down converters (220 VAC -> 5V DC) inside an enclosure inside an enclosure (double isolation). The step down converters are similar to these. There will be 5 of them, where one is connected to...

### 7 Changing first letter of a filename to uppercase

harsh vardhan 08/27/2018. 1 answers, 633 views command-line filename
How can one change the first letter of a filename to uppercase using a command line? IS there any command line to do so?

### Syntax folder under plugin/foo/syntax/foo.vim not automatically applied when filetype change?

wengwengweng 08/26/2018. 1 answers, 64 views syntax-highlighting plugin-system
I have a plugin under nvim/plugin/foo, but the syntax file nvim/plugin/foo/syntax/foo.vim is not automatically applied when the filetype change, but if I put it under nvim/syntax/foo.vim it works I'm now manually doing this in nvim/plugin/foo/autoload/foo.vim let s:srcdir = expand('<sfile>:h:h:p') func!...

### 5 A statement following from the law of excluded middle

Selflearner 08/26/2018. 3 answers, 165 views logic propositional-calculus
Does the statement ~~$A\equiv A$ follow from the law of excluded middle? According to my book which is not on logic it does, but I do not know how to use the law of excluded middle for this simple tautology....

### 8 Making a basic Haskell type an instance of a new typeclass

Say I'm trying to define a new typeclass in Haskell, and among other things, it must have a + operation: class Foo a where (+) :: a -> a -> a (In practice the typeclass Foo would have more stuff,...

### 88 How to handle people blocking your view and breaking the rules at the theater by not sitting in their assigned seats?

A while ago, my parents/brothers and I went to visit a theatre performance (in The Netherlands, where we live). We booked really nice first class tickets with empty seats in front of us. We booked them very last-minute, hoping we...

### 10 In light aircraft, non-instrument flight, apply (nearly) full aft elevator before beginning the takeoff roll or at some predetermined speed?

a CVn 08/22/2018. 4 answers, 1.310 views general-aviation takeoff pilot-technique
Consider a small, light, nose wheel tricycle aircraft, something along the lines of a C152 or similar, sitting at the end of the runway ready for takeoff, with no issues and with all pre-takeoff checks completed. In general, what is...

### 97 Would planets be cubic in my “cuboverse”?

Summary The main idea behind the "cuboverse" is that spacetime distances are measured by (something close to) the sup norm or infinity norm. Under this norm, spheres (the set of points at a fixed distance from an origin) are the...

### 9 How to align nodes in a layered block diagram in tikz?

Erlkoenig 08/22/2018. 5 answers, 268 views tikz-pgf diagrams
I want to document layered software architectures and protocol stacks using TikZ. Each layer has one or more elements, and there is no strict association between elements that are above each other. I tried this: \documentclass[tikz]{standalone} \begin{document} \begin{tikzpicture} \node (a1)...

### 3 Question about identical txids/merkle tree in Developer guide

Olivia Zhang 08/22/2018. 1 answers, 34 views security merkle-tree transaction-id
I am new to the technical details about Bitcoin and has been reading Developer guide on bitcoin.org. I have a question about below contents mentioning merkle tree, identical txids. I googled and searched here but seemed to be no answer....

### 2 Concordance index calculation

Munichong 08/21/2018. 1 answers, 180 views python pandas
I am trying to calculate a customized concordance index for survival analysis. Below is my code. It runs well for small input dataframe but extremely slow on a dataframe with one million rows (>30min). import pandas as pd def c_index1(y_pred,...

### 17 Remove a letter, make a new word

user477343 08/20/2018. 3 answers, 1.732 views wordplay word-game
I have created a new puzzle, very similar to anagram puzzles. You will be given several lines to solve in order to finally solve the puzzle! For example, "He's ____, and he's never coming back," he said. "I know he...

### 3 Tikz: Define line and marker object in preamble

meister hubert 08/19/2018. 1 answers, 67 views tikz-pgf pgfplots
I have a lot of different plots for specific configurations (c1,c2,...,c10) where I only compare some of the configurations. Lets say plot 1: (c1,c4,c10) and in the next plot (c2,c3,c5). Also I will have the same configuration in dashed or...

### 6 How could males be essential to a gender-specific magic system?

Incognito 08/19/2018. 7 answers, 343 views society magic
In this world, witchcraft is practiced openly and is respected. It exists in three forms: ritual and arcane. Ritual magic involves using the mana of the world and directing it in a way to suit you (altering terrain, changing the...

### 1 Local char* - keeps its value [closed]

Guy . D 08/18/2018. 4 answers, 338 views string
Sorry for novice question in Arduino, but I'm trying to figure out why res is keeping its value when up_cmd0 is being called again. for example - if num=8 in first run and the result is :up_cmd0_res: 8, and second...

### 26 Is it possible for an ancient contraption to survive modern-day attempts of breaking in?

Magus 08/18/2018. 10 answers, 4.088 views engineering ancient-history
Some Context I watched a generic Da-Vinci-Code-like french movie that, in a certain point, featured a secret society trying to find an item of great value that was lost in a vault built centuries ago (millenia, if I remember it...

### 17 A land where money is negative

Redwolf Programs 08/18/2018. 27 answers, 8.601 views currency
For a story I'm writing, there will be an industrial-revolution type city, with mildly powerful technology. They will be just discovering electricity, using steam power, and making all of their currency coins. However, this is a supposedly "Backwards" place, since...

### Reading text from sd card is returning weird characters?

Kara 08/17/2018. 1 answers, 99 views lcd sd-card display
I have an ebook which is converted to a .txt file saved on an sd card which is connected to the arduino. I'm trying to display the words from the book on a 16x2 lcd display on word at a...

### How to make variable show the count of records from a dynamic soql query [duplicate]

Sebastian 08/16/2018. 1 answers, 26 views soql query apex-variable
This question already has an answer here: Is it possible to test list size from a VisualForce page? 2 answers I have a custom controller with a variable 'count.' I want this to update on the page every time...

### 3 Name a famous actor

Eutherpy 08/16/2018. 1 answers, 664 views riddle trivia movies
In my name you can find a time of light, and I almost share it with a certain Christmas song. In my famous work, I am a mad man accompanied by D major and a vintage accent.

### 5 When was Euler's log-sine integral first computed by real methods?

J.G. 08/16/2018. 1 answers, 188 views discoveries calculus
In Sec. 2.4 of Inside Interesting Integrals (2015), Paul J Nahin says of $$I:=\int_0^{\pi/2}\ln (a\sin x)dx=\int_0^{\pi/2}\ln (a\cos x)dx$$that: For many years it was commonly claimed in textbooks that these are quite difficult integrals to do, best tackled with the powerful...

### 27 How would schools that take in multiple nationalities address the language barrier issue?

user103390 08/15/2018. 3 answers, 2.809 views harry-potter wizards
Although Hogwarts has an attendance of mostly British, Scottish, and Irish students, Beauxbatons, Durmstrang, Castelobruxo, Uagadou, and possibly Ilvermorny and Mahoutokoro all accept kids from other countries. How would the kids understand each other? Is there an enchantment that makes...

### 3 The acceleration of circulation motion

Nobody recognizeable 08/12/2018. 2 answers, 178 views kinematics vectors differentiation
We know that in circular motion the position vector is $r\hat{r}$. Then the velocity is the time derivative of it. So it gives $$dv/dt = r d\hat{r}/dt + \frac{dr}{dt} .\hat{r}.$$ now I can't understand why $dr/dt$ isn't zero. The $r$...

### 38 Should a mathematical proof be 'convincing'?

Stephen 08/11/2018. 8 answers, 4.483 views proof-writing philosophy formal-proofs
I just read a description of what is a mathematical proof in my mathematical logic textbook, and I'm a bit puzzled by it. It goes like this: A mathematical proof is a finite sequence of mathematical assertions which forms a...

### 15 Use sleep with minutes and seconds

fixit7 08/11/2018. 4 answers, 1.459 views command-line coreutils
I know how to use sleep 5m for 5 minutes. How would I use it for say 7 mins 30 seconds?

### Meaning of 'survey' in this context?

Arham 08/11/2018. 0 answers, 26 views meaning meaning-in-context british-english
Can the word 'view' be a good synonym for 'survey' in the following context? A man does right, as a rule, to have his thoughts more occupied with the interests of his own nation than with those of others, because...

### 8 Rolling shutter effect

Mateusz Sowiński 08/10/2018. 1 answers, 928 views modifiers camera effects
Is it possible to create an artificial shutter effect in blender to render something like this?

### 1 Building multiple CON statements with OR/AND in ArcGIS Raster Calculator?

I have two raster "T" and "N" which have values ranging from 0 to 1000. This is the logic that I want to query and create the new raster: This is how I tried to query in a syntax-correct way...

### past tense or present perfect or present perfect continuous?

Gem Bùi 08/09/2018. 1 answers, 17 views tense
What should I say between these sentences? (1) I have eaten three bowls of noodles this morning. Or (2) I have been eating three bowls of noodles this morning. Or (3) I ate three bowls of noodles this morning. I...

### 31 Alitalia changed my itinerary, leaving me with an impossibly short 45min connection time at FCO

Arpit Bajpai 08/06/2018. 6 answers, 7.778 views layovers short-connections fco alitalia
I recently booked a flight from Munich to Delhi via Rome. The layover in Rome was around 2.5 hours when I booked the flight, which is good enough for a change, considering I have to go through security and passport...

### 55 Advantages of pass-by-value and std::move over pass-by-reference

Blackbot 08/06/2018. 4 answers, 3.744 views c++
I'm learning C++ at the moment and try avoid picking up bad habits. From what I understand, clang-tidy contains many "best practices" and I try to stick to them as best as possible (even though I don't necessarily understand why...

### 11 Should I publish a linear programming method despite my advisor's advice? [closed]

Durkee 08/05/2018. 5 answers, 2.024 views publications publishability
TL;DR: I developed a way of solving systems of equations which is up to 25,000x faster than base methods. I want to publish but my advisor doesn't think it's worth it. I work as a data scientist with hyperspectral data....

### 2 Diffrence between “wr” and “copy running config to startup config”

R1w 08/05/2018. 1 answers, 871 views cisco cisco-commands
For saving configuration in Cisco devices we have "wr" and "copy running config to startup config" i am curious what is difference between these two command.

### 4 Equalities using FullSimplify?

Isa 08/05/2018. 1 answers, 132 views equation-solving simplifying-expressions
How can I know if $(-2 + a (1 + i))/(a - 1), a=(-2 i (z - 1))/((z - i) (1 + i))$ is equal to $(1+i)(1-z)$? I tried FullSimplify$[(-2 + a (1 + i))/(a - 1)]$ and I got...

### 6 \mathbb not working in \underset

data 08/04/2018. 2 answers, 286 views amsmath mathtools amssymb
I'm trying to put \mathbb{R} in an \underset of \sup in the following way: \underset{x \in \mathbb{R}}{\sup} However this sequence does not render as usual. I use following libraries: \usepackage{amssymb,amsmath, amsthm} \usepackage{enumitem} \usepackage{microtype} \usepackage{idxlayout} \usepackage{amssymb} \usepackage{lmodern} \usepackage{amsmath} \usepackage{float} \usepackage{amsthm} \usepackage{flexisym}...

### 1 What 'objective' means in following sentence?

ubi hatt 08/04/2018. 2 answers, 32 views meaning-in-context word-meaning
"Dhrisrashtra is the very image of ignorance; and Sanjaya is the embodiment of self-restraint. Ignorance lurks at the core of the objective, the outward-looking", mind. With his mind enveloped in darkness, Dhrisrashtra is blind since birth, but he sees...

### 2 Across vs athwart

Ahmed 08/03/2018. 2 answers, 103 views differences prepositions
athwart PREPOSITION From side to side of; across. ‘a counter was placed athwart the entrance’. Isn't it grammatical if I say across rather than athwart, as in: ‘a counter was placed across the entrance’. Please make me understand, if I...

### 31 Dr. ‹First Name›: a good nickname or a “professional cancer”?

Is the informal Dr. ‹first name› something a starting academic should avoid? As my father was Dr. ‹my last name›, I have, since receiving my PhD, cultivated Dr. ‹my first name›. A senior colleague recently advised me to stop: she...

### Split resizing with mouse not working after upgrade from ubuntu 16.04 to 18

ivan 08/03/2018. 1 answers, 56 views split mouse
I use to be able to resize my vim splits using the mouse in the terminal by clicking on the borders and dragging. Now I can't. How can I make it work again? edit: still works in gvim but doesn't...

### 6 Level sums, displacements: how to determine their effect efficiently?

H A Helfgott 08/03/2018. 0 answers, 33 views complexity-theory sorting number-theory
Let $R =\mathbb{Z}/N \mathbb{Z}$. Let $f:R\to \mathbb{R}$, $\rho:R\to \lbrack 0,1\rbrack$. We assume that it takes trivial time to compute any given value $f(m)$ or $\rho(m)$. Define $$S(\delta,m) = \sum_{n\in R: \rho(n)\geq \delta} f(n+m).$$ Is it possible to compute $S(\delta,m)$ efficiently?...

### Need to pass Field api name and its value in API call using field set [closed]

Harish 08/02/2018. 2 answers, 161 views apex rest-api fieldsets
Need to make the requested body for Rest POST call in which key(API name) and value both go dynamically in JSON format. API name comes from field set and its value come from the database using query. How i create...

### 3 I May Have Horns, But I Am Not the Devil

user477343 08/01/2018. 1 answers, 158 views riddle wordplay rhyme knowledge language
A big credit to @frodoskywalker for my riddle. Although the user did not write this riddle, one of their answers on this site served an inspiration. I will not show the particular answer, however, in order to not spoil the...

### 15 Are there any aircraft with powered landing gear?

Steve V. 08/01/2018. 1 answers, 1.771 views aircraft-design landing-gear taxiing
My student asked me a question this morning. It was: A car drives by turning its wheels against the Earth. An airplane taxis by rolling on its wheels while the engines push against the air. Are there any airplanes that...

### 9 Alternative methods of initializing floats to '+inf', '-inf' and 'nan'

Andrej Kesely 08/01/2018. 5 answers, 732 views python python-3.x
To initialize float constants to +inf, -inf, nan I always use float() called with a string: print(float('inf'), float('+inf'), float('-inf'), float('nan')) This prints: [inf, inf, -inf, nan] 1.) Does there exist in Python an alternative method of initializing these constants (not...

### 3 Iterate over a dynamically populated list of objects

Arthlete 08/01/2018. 2 answers, 218 views apex dynamic-soql typecast
I have a SOQL query where I don't know the FROM object, meaning it can change every time. So I dynamically populate it like so // dynamicObject is a String. String queryString = 'SELECT ' + ' Id, Name '...