### 6 token register vs. macro register

user5938 today at 04:56. 1 answers, 42 views tex-core
Consider the following simple code: \def\@ifundefined#1#2#3{% \cs{UNDEF}{DEF} \def\reserved@a{#2}% \def\reserved@b{#3}% \ifdefined#1 \let\reserved@c\reserved@b \else \let\reserved@c\reserved@a \fi \reserved@c} The same result can be achieved with: \toksdef\tokszero0 \toksdef\tokstwo2 \def\@@ifundefined#1#2#3{% \cs{UNDEF}{DEF} \tokszero{#2}% \tokstwo{#3}% \ifdefined#1 \let\reserved@c\tokstwo \else \let\reserved@c\tokszero \fi \the\reserved@c} Is there any significant difference? (Aside...

### 1 How to check the terms in single custom post type template

joe today at 04:23. 1 answers, 14 views custom-post-types custom-taxonomy taxonomy terms single
I have custom post type called events it has event_type taxonomy with two terms namely past-events, upcoming-events. I want to check my single post's term whether it's under past-events or upcoming-events Based on that i can display message. Thank you...

### 1 Ribbon Cable Disconnected

ZuniHeart today at 04:15. 1 answers, 30 views cables ribbon-cable
I am having trouble figuring out how to reconnect this ribbon cable. My dear removed it when he was trying to fix our projector and cannot figure out how it went in. There doesn’t seem to be a way...

### 1 Pairs of words differing only by a soft sign

Lester Buck today at 03:51. 2 answers, 37 views произношение
When I was taking my one (weak) Russian course years ago, I ran across an MP3 with sample sounds. The pair that got me very worried was Борис vs Борись. At the time, I could hear only the vaguest difference...

### 2 Tapering Text Along a Path

Ethan Kessel - 4183 today at 03:51. 2 answers, 39 views adobe-illustrator vector text
I need to create text along an elliptical path that tapers down as it goes, kind of like the red part shown below. How could I go about doing this without changing the font size for each individual character?

### 2 How should I display list of lists with parent and child combined

Lance Shi today at 03:48. 2 answers, 31 views visualforce
I am having a data structure similar to this: Class A { public String Name; public String status; public List<B>; } In the Visualforce page, I need to display both A and B's information in one table. Like below: Please...

### 1 What are the design patterns how to do a batch callout

Thomas today at 03:40. 1 answers, 17 views apex rest-api query callout schedulebatch
I know some basics on callouts but would like some advice on doing multiple callouts. Requirements: I have an external system where guests are registered this could be large amounts. I have to get these into Salesforce and also check...

### WPF MVVM Controls incorrectly sharing ViewModel

Tjaart today at 03:39. 2 answers, 0 views wpf data-binding mvvm
I have a control: DailyHours. That has a collection of custom TimeEdit controls I created. Each control is supposed to bind to the DailyHours view-model class. Instead it tries to find the values I bind to in the TimeEdit control....

### 2 Why does this simple circuit oscillate? (Ekasi oscillator)

F16Falcon today at 03:36. 2 answers, 37 views transistors led capacitor oscillator
Why does an Ekasi oscillator oscillate? From my research, I learned that when this is first plugged in, the capacitor is charging, so the LED doesn't shine. When the capacitor reaches 12v, then the current switches to the top loop...

### 3 How did the 1802 call and return instructions work?

paxdiablo today at 03:31. 1 answers, 41 views rca-1802
The RCA 1802 processor was used in a number of systems such as the ELF and COMX-35, and also apparently in the US space program (with its hardened variant). From memory, it had a rather unusual set of instructions for...

### 2 Can I erase all photo metadata using Gimp?

Gimp 2.10 offers the possibility to change metadata but my question is that if I edit metadata using gimp... Can I erase all photo metadata using Gimp? Or it will be some metadata I can not erase using gimp? Thanks...

### 16 What antivirus programs are available?

Deepak Rajput today at 03:11. 1 answers, 0 views software-recommendation security antivirus
What antivirus programs are available for Ubuntu? We previously used Symantec Endpoint Protection but it does not work in Ubuntu.

### 2 Exponents and Log

HAC today at 02:48. 2 answers, 80 views logarithms exponential-function
$3^{2x}-2\left(3^x\right)=3$ My solution: $\left(3^x\right)^2-2\cdot \:3^x=3$ Make the substitution $3^x=u$ $\left(u\right)^2-2u=3$ $u^2-2u-3=0$ $u=3,\:u=-1$ No solution for $3^x=-1$ $3^x=3$ I was wondering how i can do this question using logarithms? then $x=1$ ...

### 3 Arc length of nowhere differentiable arcs.

gorzardfu today at 02:25. 1 answers, 126 views general-topology analysis
Does there exist an arc (something homeomorphic to the interval $[0, 1]$) that is nowhere differentiable? If so, how does one define the arc length function along such an arc? Can a topological arc have infinite length?

### 4 Is there a Howard-canon map of Conan's world?

DVK-on-Ahch-To today at 02:12. 1 answers, 54 views canon map conan
In 1936 "The Hyborian Age: Conan's World", Howard laid out a somewhat detailed "canon" history of Conan's world, pre- and post-cataclysm. This included verbal description of the world maps and where each people's and states were. Are there any maps...

### 7 When does an inner product induce a norm?

When we consider a vector space $V$ over some field $F$, I know that when the $F=\mathbb{R}$ or $=\mathbb{C}$, by setting $\|x\|=\left\langle{x,x}\right\rangle^\frac{1}{2}$ we get a norm. However, since the inner product is a function with its image in $F$,...

### 1 Why Can't DSolve Find a Solution for this ODE with y[-x]

slogvintage today at 02:07. 2 answers, 35 views differential-equations
I wanted to find a accuracy solution of the following ODE. $$y'(x)+y(x)=-y(-x).$$ But when I try to use DSolve as follows DSolve[y'[x] + y[x] == -y[-x], y[x], x] I get a warning message: DSolve::litarg: To avoid possible ambiguity, the arguments...

### 2 Create a custom Identify dialog

James Tomatov today at 01:38. 1 answers, 0 views arcgis-10.0 arcmap arcobjects polygon c#
How can I check if a point belongs to a polygon? I want to create a custom identify tool with edit option. I am using C# and ArcMap 10. My idea is to click on the polygon (building/park/etc) in ArcMap...

### 9 Reference for the algebro-geometric proof of Matsumoto theorem

Matsumoto proved in his PhD thesis that if $F$ is a field than $K_2(F)=(F^*\otimes F^*)/(x\otimes (1-x))$. The original Matsumoto proof as it is written in Milnor's book on algebraic K-theory looks not really nice to me and one guy told...

### 8 How do we feed a character whose mouth is magically sewn shut?

Mireya yesterday at 20:08. 6 answers, 1.196 views dnd-5e
My party has gotten themselves into quite a pickle and one of our characters has gotten his mouth sewn shut by magical thread, which we can't cut. He is unable to eat and our GM has determined that he had...

### 1 Dimensions for CNC machining

RickH yesterday at 19:54. 3 answers, 84 views mechanical-engineering
Creating a drawing for a part that will be CNC milled. Should all of my dimensions come from a baseline on the part, like an edge or is it ok to use Centerlines? See yellow highlighted dimensions below for example....