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24,146,132 questions
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How and where mnemonic/private keys are generated/stored in IOS for mobile non-custodial wallet
I am trying to understand how and where non-custodial wallets store private keys.
By reading the following secure enclaves article, it says:
Software wallets on mobile or desktop keep keys encrypted ...
- reputation score 1
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7 views
Vivado 2019 - HW Target shutdown a few seconds after successful programming, then "No devices detected" until Vivado is restarted
I'm experiencing a strange JTAG issue with Vivado 2019 and I'm running out of ideas.
Hardware
Vivado 2019.1 and 2022.1
Windows 11
FPGA board: Antminer S9j control board
External 12V power supply ...
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20 views
ESP32 as Access Point: TCP connection drops after 1–2 minutes on Windows 10/11, but only on first connection
I have an ESP32 running a program that opens both a TCP and UDP server on a specific port.
In Station mode (connecting to a modem/router): both connections work reliably with no drops.
In Access ...
- reputation score 57
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11 views
Popover not programatically closing in NavigationStack
Typically, you can programatically close and open a popover with popover(isPresented: Binding<Bool>), like so:
struct AContent: View {
@State private var showFilter = false
var body: some ...
- reputation score 36
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1 answer
25 views
IIS keeps spiking in memory and stopping my WEB APP
I have a .NET web application hosted on my server with IIS. Usually the IIS process will run for days on end with memory at around 400-500mb. But sometimes which seems totally random to me this memory ...
- reputation score 71
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26 views
Oracle job scheduler. preserving non-ascii parameters
I should create a DBMS job, which call a .sh script on a remote server
dbms_scheduler.create_job(job_name => my_job,
job_type => 'executable',
...
- reputation score 33
Score of -1
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27 views
Autodesk Transmittal Module API access deny despite no issue on running RFI Module
I'm using an account with the client id and client secret to call the Transmittal API and it returns error 403 forbidden with "access deny" error.
https://developer.api.autodesk.com/...
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93 views
Can you dereference a pointer to a destroyed object?
The particular example that made me ask this question was the third one, the placement new, but I'm wondering about all of them.
struct MyNonTrivialType
{
MyNonTrivialType() = default;...
- reputation score 16926
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26 views
How does one create a single input with multiple segments in tailwind?
I was looking thru all of the sites in the internet, and apparently, no one bothered to show an example where there would be a single text-box, but I can input on different segments in that same text-...
- reputation score 23
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1 answer
78 views
Encoding detected wrong, reading fails [closed]
I want to read CSV files with a German encoding saved by Windows.
I try to detect the encoding with this code:
# detect encoding
with open(impportFile, "rb") as f:
...
- reputation score 1
Tooling
0
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3
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Replace values in SQL
How can I replace numerical values with NULL in SQL
You’re a junior data analyst working for a local news station and your team uses BigQuery to analyze weather trends. The station’s meteorologist ...
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Computing class group of the splitting field of a polynomial
Let $f(X) \in \mathbb{Q}[X]$ be a fixed irreducible polynomial of degree $5$ whose splitting field $F$ is an $S_5$-extension of $\mathbb{Q}$. I am trying to compute the $p$-class group of the ...
- reputation score 103
Best practices
0
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1
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views
time complexity ~~ python
Find the maximum subarray sum (Kadane's Problem) in an array containing negative numbers. Brute force is O(n²)/O(n³) — optimize to O(n).
Find all pairs in an array that sum to a target value (return ...
- reputation score 1
Score of -2
0 answers
51 views
Vulkan dynamic rendering (vkCmdBeginRendering) hangs on Intel UHD when using a depth attachment and 1 or more color attachments
This is my second attempt at asking about this issue. I'm building a render graph for an in-house Vulkan engine using dynamic rendering (Vulkan 1.3, dynamicRendering + synchronization2), on Win32. I'...
- reputation score 1
Advice
0
votes
1
replies
49
views
involves responsive and adaptive design in flutter
Sizing info is a class that has properties orientation, device screen and the screen size. I am just trying to understand the code below, I am a beginner. if you need more information, I am ready to ...
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