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How do you add an in-app purchase to an iOS application?
... into App Store Connect, and click Users and Access then click the Sandbox Testers header, and then click the + symbol on the left where it says Testers. You can just put in random things for the first and last name, and the e-mail does not have to be real - you just have to be able to remember it. ...
Reading CSV file and storing values into an array
...ic void Main(string[] args)
{
using(var reader = new StreamReader(@"C:\test.csv"))
{
List<string> listA = new List<string>();
List<string> listB = new List<string>();
while (!reader.EndOfStream)
{
var line = reader.ReadLine(...
How to check if an option is selected?
...
use
$("#mySelectBox option:selected");
to test if its a particular option myoption:
if($("#mySelectBox option:selected").text() == myoption){
//...
}
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Convert string to binary in python
...o format this in binary, the string.format() method will do the job.
a = "test"
print(' '.join(format(ord(x), 'b') for x in a))
(Thanks to Ashwini Chaudhary for posting that code snippet.)
While the above code works in Python 3, this matter gets more complicated if you're assuming any encoding o...
How to re-sign the ipa file?
... I would like to sign the IPA with an ad-hoc provisioning profile for beta testing, and then re-sign the exact IPA with an app submission provisioning profile for the app store.
...
Can you connect to Amazon ElastiСache Redis outside of Amazon?
...u can't without resorting to 'tricks' such as a tunnel, which maybe OK for testing but will kill any real benefit of using a super-fast cache with the added latency/overhead.
...an Amazon ElastiCache Cluster, inside or outside a VPC, is never
allowed to be accessed from the Internet.
From h...
Is there any way to prevent input type=“number” getting negative values?
... working fine for me. Can you please check:
<input type="number" name="test" min="0" oninput="validity.valid||(value='');">
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hasNext in Python iterators?
...nt is not asking for permission. There are situations in which you want to test for the existence of a next element without consuming it. I would accept the try catch solution if there was an unnext() method to put the first element back after I have checked that it exists by calling next().
...
Javascript : natural sort of alphanumerical strings
... recognize numbers. You can do case-insensitive using sensitivity: 'base'. Tested in Chrome, Firefox, and IE11.
Here's an example. It returns 1, meaning 10 goes after 2:
'10'.localeCompare('2', undefined, {numeric: true, sensitivity: 'base'})
For performance when sorting large numbers of strings...
How can I check if an element exists in the visible DOM?
How do you test an element for existence without the use of the getElementById method?
25 Answers
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