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Ask Biology

I have no clue how to find the pattern in a whole list of chromosomes

how can you tell a pattern from a WHOLE list of different species

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Ask Board Games Games

How Closely Did Afrika Korps simulate the actual campaign conditions?

My understanding is that the Afrika Korps game parameters give the Germans and British about equal chances to win, that is, 50-50. Were the relative chances actually about 50-50 in real life? If not, what adjustments were made to the game to balance it? For instance, was Malta more or less disruptive to Axis supply […]

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Apple User Help

Partition type FFFFFFFF… And “Suspicious MBR at sector 0” error [duplicate]

I have a MBP 2012 with a mac os partition and bootcamp partition. Recently at start up the computer does not recognise the mac os. In recovery mode/disk utility, the partition is greyed out and the partition type is ‘FFFFFFF…’ etc. I’ve googled around, and searched on this website, and it seems I need to […]

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CMS Drupal Mastering Development

Issue doing import on Drupal 8

Im using drush cim and drush cex for import and export drupal configuration between enviroments. At this moment, local and develop are working ok, but getting an error on stage. This is the error actually: The import failed due to the following reasons: This config does not have system.site, rejected UUID source site does not […]

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User Help Web Apps

How to block the youtube ads that AdBlock can’t block?

As of June 2020, youtube appears to display ads that AdBlock doesn’t seem to block. Is there a way to block these? Example:

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Ask Engineering

Second order differential equation implementation using OP-Amp

I am trying to implementat the following equation \begin{equation} x”+4x’+25=\sin(20t+36) \end{equation} using OP-Amp’s. I tried to use state-space technique to implement it in the below circuit x is the voltage of output node of up-right OP-Amp. But the problem is I don’t have the x term in the equation. In other words the transfer function […]

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Ask Engineering

Tantalum Capacitor Explodes When Engine Starts

I designed a circuit using a SMPS voltage regulator based on the tps65261rhbr triple synchronous buck converter. The circuit is rated for up to 18V. It is connected to a 12V lawnmower battery, which also starts and powers a gasoline engine that returns charge to the battery with an alternator. The circuit has worked perfectly […]

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Database Development

SQL DR Availability Group cluster validation failure

I’m new to DBA out of necessity at work so please explain or point me in the right resources if you see anything I ask below is wrong: I’m trying to setup a test environment for Disaster Recovery using Availability Group for MS SQL 2016 Enterprise. I have two nodes at two different subnets, one […]

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Database Development

mysqldump locks all tables even when specifically grabbing a few?

I’m using a mysqldump command pulling data from 3 tables of 7. Are the other 4 locked as well?

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Game Creation Mastering Development

How can I create a persistent seed for each chunk of an infinite procedural world?

I’m coding a chunk-based 2D game. I generate chunks as the player explores the world. Chunks follow a procedural generation algorithm (with only one biome implemented at the minute, but I’ll introduce more). When the player leaves a chunk however and it’s unloaded, that chunk is lost for good (unless they modified the chunk; if […]