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Check empty string in Swift?
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There is now the built in ability to detect empty string with .isEmpty:
if emptyString.isEmpty {
print("Nothing to see here")
}
Apple Pre-release documentation: "Strings and Characters".
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In php, is 0 treated as empty?
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you should update your cheat sheet now I will give you some more... 0.0 = true, 0.00 = true, "0.0" = false
– Sayed Mohd Ali
Mar 6 '19 at 6:40
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Can't install via pip because of egg_info error
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Note: now it's deprecated. When run it prints - ez_setup.py is deprecated and when using it setuptools will be pinned to 33.1.1 since it's the last version that supports setuptools self upgrade/installation, check https://github.co...
Windows batch files: .bat vs .cmd?
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I understand now. I updated my gist. Apparently, it doesn't (re)set the errorlevel when calling a set var=.. statement. Which is odd, because I assumed that was expected behavior. Arguments could be made for both. I'll stick with .bat fil...
How to execute a function when page has fully loaded?
...eteness sake, you might also want to bind it to DOMContentLoaded, which is now widely supported
document.addEventListener("DOMContentLoaded", function(event){
// your code here
});
More info: https://developer.mozilla.org/en-US/docs/Web/Events/DOMContentLoaded
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How to set background color of an Activity to white programmatically?
...ver you called setContentView with.
setContentView(R.layout.main);
// Now get a handle to any View contained
// within the main layout you are using
View someView = findViewById(R.id.randomViewInMainLayout);
// Find the root view
View root = someView.getRootView();
// Set the color...
How to ignore HTML element from tabindex?
...'ve edited the answer to link to the updated HTML5 specification. tabindex now allows to have negative values.
– James Donnelly
Apr 9 '13 at 8:25
1
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UITableView - scroll to the top
... try to put the code inside this: DispatchQueue.main.asyncAfter(deadline: .now()+0.1, execute: { // the code }
– Alessandro Ornano
Mar 12 '18 at 20:55
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How to detect input type=file “change” for the same file?
...an simply set to null the file path every time user clicks on the control. Now, even if the user selects the same file, the onchange event will be triggered.
<input id="file" onchange="file_changed(this)" onclick="this.value=null;" type="file" accept="*/*" />
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How do I fetch a single model in Backbone?
...n you please provide a working link? unfortunately, this one is broken for now
– AlexNikolaev94
Oct 6 '16 at 11:50
her...