UK border no longer stamps foreign passport if UK passport also head

I am a UK citizen living abroad with my wife and child who hold foreign passports. My child also holds a UK passport as the dual nationality rules for children in his country of birth are a bit vague – current practice suggests that he is allowed to hold both foreign and UK up to the age of 21, after which he has to select a single nationality as his country of birth does not recognise dual nationality after that age.

When we entered the UK recently (with wife and child using foreign passports) the border official said that due to a rule change earlier this year she could no longer stamp my child’s foreign passport because he also held a UK passport. She didn’t even ask to see the physical UK passport as it appeared it was visible on her computer. This had not happened on previous visits.

While this is not an issue for staying in the UK, there is a concern that when he goes back to his country of birth the foreign border official may query how he entered the UK without a stamp on their foreign passport, potentially losing his original nationality and separating child from mother because of the dual nationality uncertainty.

  1. Does anyone know of a specific link online to the ‘rule change’ the border official is referring to?

  2. I am familiar with the suggestion at case 3 of the following link I have two passports/nationalities. How do I use them when I travel? Any other suggestions for future travels?

Correct Proof Of ZBC Theorem From Odifreddi? Also Extension Question

So I’m looking at the proof of the ZBC lemma in Odifreddi’s Classical Recursion Theory volume 2 page 808 and I don’t see why $ 0′ \oplus C$ produced computes $ B’$ as claimed. The positive requirements try and code $ $ P^C_e: \; x \in C^{[e]} \iff (\exists z > x) B^{[e]}(x) \not= B^{[e]}(z) $ $

Now if these requirements always succeeded we would be great. We could read off from $ C^{[e]}$ the point at which $ B^{[e]}$ achieved its limit and from that compute $ W$ which in turn computes $ B’$ . However, higher priority negative requirements might restrain $ P^C_e$ from acting. These requirements have the form. $ $ N^C_e : \; (\exists_\infty s)(\phi^{B\oplus C_s}_{e,s}(e)\downarrow) \implies \phi^{B\oplus C}_{e}(e)\downarrow $ $

However, since $ B$ isn’t low we can’t guarantee that $ 0’$ can tells us whether or not such a higher priority negative requirement might be falsely resulting in $ C^{[e]}(x)=0$ so how do we actually conclude that $ B’ \leq_T 0′ \oplus C$ ?


While I’m at it am I correct in presuming that the only reason that one can assume we meet the negative requirement for $ B$ is that we assumed $ C$ meets its own negative requirements above. This almost makes me think the right proof would build them simultaneously so they satisfied a requirement more like

$ $ N^C_e : \; (\exists_\infty s)(\phi^{B^{e}_s\oplus C_s}_{e,s}(e)\downarrow) \implies \phi^{B\oplus C}_{e}(e)\downarrow $ $

where $ $ B^{e}_s(x) = \begin{cases} B(x) & \text{ if } x = <i,y> \land i \leq e \ B_s(x) & \text{ otherwise } \end{cases} $ $

That way one could get some kind of induction off the ground where $ 0’$ would be able to determine if the next negative requirement ever engaged using the knowledge of $ B’$ restricted to $ e$ . Or is there some easier trick I’m missing?


Note that the reason I’m interested is that I wanted to see if I could extend the ZBC theorem so that given r.e. set $ A$ and set $ W$ r.e. in $ A$ it produced $ B, C$ with $ B \oplus C \leq_T A \oplus W$ and $ (B \oplus C)’ \equiv_T 0’\oplus B \oplus C \equiv_T 0′ \oplus W$ . So thoughts about that are appreciated as well.

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Folder Redirection: What does the “Also Apply Redirection Policy…” setting do?

When implementing Folder Redirection via Group Policy, there is a checkbox on the Settings tab that says “Also apply redirection policy to Windows 2000, Windows 2000 Server, Windows XP, and Windows Server 2003 operating systems.

When I Google this checkbox, all I find are how-to articles on folder redirection in general, support articles saying one bad thing or another is happening because it is or isn’t checked, or forums full of advice from people clearly have no idea what they’re doing.

I know how folder redirection works. I also know how to read. What I want to know is, what does this setting actually do from a technical standpoint?

Folder Redirection - Documents Properties

We do not have any XP or Server 2003 machines in our environment, so this checkbox is irrelevant to me. But today I found a rogue group policy that is screwing up permissions on a file server, and it’s because it had the “Grant the user exclusive rights…” checkbox enabled. I need to disable it, but that policy also has this option set, and I want to know how/if this will affect the terminal server it’s being applied to.

WP_Query showing all posts, except from category X, unless it’s also in Y

I’m trying to exclude one category (let’s call it X) from a general WP_Query, while also allowing posts in category X only if it is in category X and Y.

I can hide category X pretty simply:

$  args = array(     'post_type' => 'post',     'posts_per_page' => 15,     'paged' => $  paged,     'cat' => '-X', ); 

I’ve tried to combine two loops, one getting all posts excluding those in category X, the other getting posts that are in both X and Y, but it doesn’t seem to work:

$  EverythingButXLoop_args = array(     'post_type' => 'post',     'cat' => '-X', ); $  EverythingButXLoop = new WP_Query( $  EverythingButXLoop_args );  $  OnlyXwithYLoop_args = array(     'post_type' => 'post',     'category_name' => 'categoryX+categoryY', ); $  OnlyXwithYLoop = new WP_Query( $  OnlyXwithYLoop_args );  $  mainLoop_args = array(     'posts_per_page' => 15,     'paged' => $  paged, ); $  mainLoop = new WP_Query( $  mainLoop_args ); $  mainLoop->posts = array_merge( $  EverythingButXLoop->posts, $  OnlyXwithYLoop->posts );  //populate post_count count for the loop to work correctly $  mainLoop->post_count = $  EverythingButXLoop->post_count + $  OnlyXwithYLoop->post_count; 

I’ve also thought about getting all category ID’s in a var(instead of listing every one of my many categories) and using it in a category parameter of WP_Query, ie. 'cat' => $ categoryIDs, 'category__not_in' => 'X' but I think I’m still just faced with the original problem: excluding X, except when in X and Y

Any idea what’s not working with the combining technique above, or how I can achieve this another (better) way? Thanks in advance!

I am just wondering what are the methods which can hide all the transactions and also able to validate transactions in an block chain?

I am new to block chain and was looking at how block chain work mainly proof of stake based . They check validity by going through all the transactions which is something concerning as everyone can see the transactions. So what are ways to hide all transactions and also make everyone able to check validity of new block. This question is not only for block chain relm but also for cryptography.

Is there any free online photography classes? Also, best edit software for photos?

I’m planning on buying a nice camera soon. I want to take classes to learn to take better pictures, specially so I can some day know how to take senior pictures. I want to offer free pictures for seniors who may not have enough money to do otherwise. I’m planning on buying a Canon camera and buying any editing software I can get. Which, what is the best software to get? I am going to be a completely new photographer and would love to learn as much as possible. Thank you.

Does the Microsoft Graph API also limit total SharePoint list items to only 5000?

I have found a couple blogs indicating that the Graph API uses the REST API, which would imply that the same 5000 item limit applies. But I cannot find any official Microsoft documentation identifying the limit.

https://developer.microsoft.com/en-us/graph/docs/api-reference/v1.0/api/listitem_list