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Handling an empty UITableView. Print a friendly message
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If you have sections, then you'll need to move this logic to the func numberOfSections(in tableView: UITableView) -> Int method
– craft
Dec 14 '19 at 3:00
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Floating point vs integer calculations on modern hardware
... variable is where the data reside. If you only have a few values to add, then all of the data can reside in cache, where they can be quickly sent to the CPU. A very, very slow floating point operation that already has the data in cache will be many times faster than an integer operation where an ...
Installing PDO driver on MySQL Linux server
... @jonaspas if you are on ubuntu, try updating with sudo apt-get update then run the original install from the answer.
– ryAn_Hdot
Jun 8 '16 at 16:32
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Convert varchar to uniqueidentifier in SQL Server
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Oh yes! Then I have to agree. The obvious thing is to put the hyphens in the right places and you're ready to go! Sorry!
– Fabio Milheiro
Apr 14 '11 at 18:21
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ReactJS: Modeling Bi-Directional Infinite Scrolling
...tructure but it's really worth it.
If you can't know the size in advance, then add onload listeners to your image and when it is loaded then measure its displayed dimension and update the stored row height and compensate the scroll position.
Jumping at a random element
If you need to jump at a ra...
How do I echo and send console output to a file in a bat script?
...ication"? I experimented with 3<&2 (note the LT instead of GT), and then 3>errors.txt. But this ended badly - all subsequent stderr output was captured to errors.txt (that is - from other commands too!).
– Tomasz Gandor
Sep 13 '16 at 23:36
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Best way to test exceptions with Assert to ensure they will be thrown
...row a MyInheritedException (derived type from the base class MyException), then the test would fail.
– Ama
Apr 16 '19 at 11:59
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Mixin vs inheritance
...nheritance are that you can write code for the functionality one time, and then use the same functionality in multiple different classes. The disadvantage is that you may need to look for that functionality in other places than where it is used, so it is good to mitigate that disadvantage by keeping...
Tricks to manage the available memory in an R session
...u record your work in a reproducible script. From time-to-time, reopen R, then source() your script. You'll clean out anything you're no longer using, and as an added benefit will have tested your code.
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Iterating Through a Dictionary in Swift
...of Square so largest would be set 5 times for the 5 elements in Square and then would stay at 25.
let interestingNumbers = [
"Prime": [2, 3, 5, 7, 11, 13],
"Fibonacci": [1, 1, 2, 3, 5, 8],
"Square": [1, 4, 9, 16, 25]
]
var largest = 0
for (kind, numbers) in interestingNumbers {
prin...