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Generating random numbers in Objective-C
... NB: the distribution from arc4random can be very poor, if you happen to choose a poor range. I hadn't realised the powers-of-two expectation. +1 for use @yood's version - made a noticeable difference for larger numbers (e.g. range of 400)
– Adam
Feb...
How do I reference a Django settings variable in my models.py?
...e to a project deployed in several environments, do not try to import from app.settings. Overwritten variables in the other files won't take effect. Always use the import mentioned in this answer. It took me a few hours to realize what was going on in my project.
– Ev.
...
Add swipe to delete UITableViewCell
I am making a CheckList application with a UITableView . I was wondering how to add a swipe to delete a UITableViewCell .
...
Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
...b
libhistory.a libreadline.6.dylib
However, if you have different apps using the different version of readline, I think you should consider upgrading.
Update: 06/02/2019
What if the old version is not installed?
Homebrew doesn't provide a way to install old version formula. And since v...
Insert text into textarea with jQuery
...hat you have in Jason's comments try:
$('a').click(function() //this will apply to all anchor tags
{
$('#area').val('foobar'); //this puts the textarea for the id labeled 'area'
})
Edit- To append to text look at below
$('a').click(function() //this will apply to all anchor tags
{
$('#ar...
How to retrieve the dimensions of a view?
... grid. The methods getHeight() and getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version.
...
What is the C# equivalent of NaN or IsNumeric?
...sure that all of the characters within the string are digits, then another approach should be taken.
example 1:
public Boolean IsNumber(String s) {
Boolean value = true;
foreach(Char c in s.ToCharArray()) {
value = value && Char.IsDigit(c);
}
return value;
}
or if you want...
Xcode debugging - displaying images
...OTE: sometimes this fails in Xcode, even if the image is correct. If this happens, OR if you don't have a UIImage variable (e.g. it's a property of another object, you can still use the older answer:
Older answer: Starting with Avraham's answer, I tried a few experiments for displaying an iOS image...
Tick symbol in HTML/XHTML
We need to display a tick symbol (✓ or ✔) within an internal web app and would ideally like to avoid using an image.
...
Can I underline text in an Android layout?
...
It won't show in editor, but when You start You app - it will be underlined.
– jean d'arme
Jul 1 '15 at 14:19
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