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How to detect first time app launch on an iPhone
... UserDefaults.standard
if let isAppAlreadyLaunchedOnce = defaults.string(forKey: "isAppAlreadyLaunchedOnce"){
print("App already launched : \(isAppAlreadyLaunchedOnce)")
return true
}else{
defaults.set(true, forKey: "isAppAlreadyLaunchedOnce")
...
Prevent Android activity dialog from closing on outside touch
...R.drawable.time_left)
.setPositiveButton(android.R.string.yes, null).show();
Get current date in milliseconds
...gits
long timestamp = (digits * 1000) + decimalDigits;
or (if you need a string):
NSString *timestampString = [NSString stringWithFormat:@"%ld%d",digits ,decimalDigits];
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How to add a list item to an existing unordered list?
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I love this. I hate messing with strings and quotes :) BTW: Other option would be stackoverflow.com/a/4673436/112000
– Tomáš Fejfar
Apr 10 '12 at 11:53
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What purpose does a tag serve inside of a tag?
...s them to directly access DOM elements, instead of having to place it in a string or a comment (which I consider particularly bad, as comments are not meant for actual information) and then parse it. It also prevents the execution of scripts and CSS styles until specifically loaded.
I personally fi...
How to create a Menubar application for Mac
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NSStatusItem is what you are looking for. Also add LSUIElement with string value of 1 to your Info.plist to hide it from Dock.
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How do you implement a re-try-catch?
...spects (I'm a developer):
@RetryOnFailure(attempts = 3, delay = 5)
public String load(URL url) {
return url.openConnection().getContent();
}
You could also use @Loggable and @LogException annotations.
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How to crop an image using C#?
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Here's a simple example on cropping an image
public Image Crop(string img, int width, int height, int x, int y)
{
try
{
Image image = Image.FromFile(img);
Bitmap bmp = new Bitmap(width, height, PixelFormat.Format24bppRgb);
bmp.SetResolution(80, 60);
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What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...scheduleAtFixedRate(mTask, 1000, 1000);
}
public static void main(String[] args) {
Clock c = new Clock();
c.start();
}
}
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iPhone system font
...nfo on this.
Related
Visual List of iOS Fonts
How do I make an attributed string using Swift?
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