files – deletes the value default file_managed

When the page is loaded, the managed file is filled with a default value. It works by that time. If I delete the file loaded in the managed file, it will not be deleted in the folder where it is stored and in the managed_file table. This behavior is only achieved if you load the page when I submit the tasks. It appears that the default value is not linked to the managed file

iCloud – Deletes deleted files in the cloud

I keep dropping a folder in the Documents folder, and iCloud will download it again. How do I effectively delete a folder with Mojave from my Mac & iCloud?

More info:

I moved the folder to a first .nosync Folder to prevent iCloud from syncing and deleting all hidden iCloud files. The folder contains projects that are routinely checked in to git. So there's no reason for iCloud to deal with them – and iCloud does not seem to play well with git (and I do not want my iCloud space taken up). After I moved my git folder into the folder .nosync The iCloud directory immediately began downloading the files again.

I can delete the files, but once I have emptied the trash they will be downloaded again (sometimes it takes a few days).

It does not seem to matter how I delete it (rm-rf, Finder, raised text). They always seem to come back.

Matrix – deletes zeros from a SparseArray

Why not? SparseArray Automatically remove zero entries? The code

a = SparseArray[{2->22,3->33,5->55,7->77,11->1111,13->1313},13];
b = SparseArray[{1->11,3->33,5->55,7->77,9->99,11->1111},13];
r = DeleteCases[a-b,0]
r // ArrayRules

returns {{1} -> - 11, {3} -> 0, {5} -> 0, {7} -> 0, {9} -> - 99, {11} -> 0, {2} -> 22, {13} -> 1313, {_} -> 0} instead of {{1} -> - 11, {9} -> - 99, {2} -> 22, {13} -> 1313, {_} -> 0},

Is there a nice way to remove null entries? For example, when turned on $ A ! In ! Mathbb {Z} ^ {m times n} _2 $ I make a Gaussian excretion, which I use A = mod[A,2];Suddenly, many entries are null and I do not want to waste memory for them.
Of course I could use A = SparseArray[DeleteCases[ArrayRules[A], #[[2]]== 0 &]{m, n}]but it seems awkward to use this often …

Even though I have a very long sparse series that is updated frequently and replenished somewhat (Gaussian elimination), it is better to use SparseArray With + or Association With merge?

Postgresql: deletes all comments from the database

Erwin Brandstetter gave a very good answer to this question. Remove COMMENT ON from all objects in PostgreSQL on Stack Overflow.

It essentially consists of removing the comments directly from the system catalogs (disclaimer – the following code is copied directly from its response):

DELETE FROM pg_description WHERE description = & # 39; something special & # 39 ;;

Or you can delete the comments based on other criteria that you select.

Network – Router client table deletes my hostname after some time

My router recognizes my host name when I restart the device or the router. It appears in the list of router clients. The router uses DHCP.

After some time, the host name of my device disappears from the router table and becomes an "unknown device" with a MAC address.

I also have a Grandstream VoIP adapter on my home network. The host name is displayed on the router and is never "unknown device".

Question 1: How can I prevent the router from deleting the host name of my device?

Question 2 How does the Grandstream Voip adapter achieve this?
Thanks to everyone who can help me solve this puzzle.

keyboard – Xcode deletes subword / word forward / back and eats empty fields

This is really a funny behavior. Every editor I use treats empty fields as one word and does not skip it. With spaces, I mean line breaks, tabs, spaces, and so on.

What was always just a keypress of an option / backspace or option / fn / backspace key is a complex operation because i want to delete it just Space or line feed forward and also deletes the next word there.

How can I set Xcode to behave like normal code text editor? (Yes, something confused here)

Example:

Adadada
dada
d
Adadad display

When I place the cursor (in the Text Wrangler editor, but also other editors, such as Android Studio, etc.), the Xcode is actually everyone, so if I plug in the end of the first line and press fn / option / backspace press just a new line and I press it again and then the next word is deleted. But in Xcode, the first call removes a new line with the word.

SQL Server – Deletes a partition and runs update indexes to stop DML execution for the entire table

I am looking to delete a partition from a table in the database
I wanted to know if I was running
ALTER TABLE DROP PARTITION UPDATE INDEX
Would block the execution of DML statements on the other partitions as the indexes are updated

I also look at 38 partitions in the table. Should I run the update index statement each time I delete one partition or all 38 partitions, and then execute the update index statement?

PS the index is a global index