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Leading zeros for Int in Swift
...ng Playground code shows how to create a String formatted from Int with at least two integer digits by using init(format:_:):
import Foundation
let string0 = String(format: "%02d", 0) // returns "00"
let string1 = String(format: "%02d", 1) // returns "01"
let string2 = String(format: "%02d", 10) /...
UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn
...ndered results in an empty snapshot. Ensure your view has been rendered at least once before snapshotting or snapshot after screen updates.
showsCameraControls property
The problem occurs for me when this has a value of YES (the default).
Setting this to NO eliminated the message.
Bug report
I ...
Find index of a value in an array
...s obvious that 99% cases -1 is expected value when item does not exist. at least 0 is wrong when item does not exist
– Arsen Mkrtchyan
Sep 13 '15 at 22:37
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Remove folder and its contents from git/GitHub's history
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None of these commands work on windows. Or at least not Windows 10 please post the OS that the "cut and paste" works on
– David
Nov 2 '16 at 19:48
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Does Java read integers in little endian or big endian?
... on the left and the MSB at the end.
It sounds like you are using LSB as Least significant bit, are you? LSB usually stands for least significant byte.
Endianness is not bit based but byte based.
To convert from unsigned byte to a Java integer:
int i = (int) b & 0xFF;
To convert from unsig...
Using an RDBMS as event sourcing storage
...BoringCoder It sounds like you have Event Sourcing and CQRS confused or at least mashed up in your head. They are frequently found together but they are not the same thing. CQRS has you separate your read and write models while Event Sourcing has you use an event stream as the single source of truth...
Create Windows service from executable
...ng to surround the executable path with double quotes is totally wrong, at least for windows 10. the quoting is required if and only if the path contains special characters like whitespace. also, casing (lowe/upper/mixed-case) doesn't matter anywhere, in variable names too, and displayname="my servi...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...such as isql, sqlcmd, query analyzer and SQL Server Management studio. (At least some of the tools allow the batch separator to be changed. I have never seen a use for changing the batch separator.)
To answer the question of when to use GO, one needs to know when the SQL must be separated into batc...
Cross cutting concern example
...h function body. This will result in crosscutting all classes that have at least one function.
(Courtesy)
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Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
...teness though, it would be nice to mention that (on NSMutableDictionary at least) setValue:forKey: tolerates nil values, and removes the entry - while setObject:forKey: will throw exception and crash when handed nil values.
– Motti Shneor
Feb 12 '19 at 6:24
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