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How to write log base(2) in c/c++
Is there any way to write log(base 2) function?
14 Answers
14
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How to create a GUID/UUID using iOS
...entDevice] uniqueIdentifier]
Returns the Unique ID of your iPhone.
EDIT: -[UIDevice uniqueIdentifier] is now deprecated and apps are being rejected from the App Store for using it. The method below is now the preferred approach.
If you need to create several UUID, just use this method (with ...
Hidden features of C
...all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
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Handling an empty UITableView. Print a friendly message
I have a UITableView that in some cases it is legal to be empty. So instead of showing the
background image of the app, I would prefer to print a friendly message in the screen, such as:
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Sort Go map values by keys
When iterating through the returned map in the code, returned by the topic function, the keys are not appearing in order.
6...
Regular expression to match URLs in Java
I use RegexBuddy while working with regular expressions. From its library I copied the regular expression to match URLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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Forward function declarations in a Bash or a Shell script?
... {
}
baz() {
}
main "$@"
You can read the code from top to bottom, but it doesn't actually start executing until the last line. By passing "$@" to main() you can access the command-line arguments $1, $2, et al just as you normally would.
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Why is there no xrange function in Python3?
Recently I started using Python3 and it's lack of xrange hurts.
6 Answers
6
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How to stop unwanted UIButton animation on title change?
In iOS 7 my UIButton titles are animating in and out at the wrong time - late. This problem does not appear on iOS 6. I'm just using:
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What is the best way to trigger onchange event in react js
...use prototype of HTMLTextAreaElement class.
New codepen example.
All credits to this contributor and his solution
Outdated answer only for React <=15.5
With react-dom ^15.6.0 you can use simulated flag on the event object for the event to pass through
var ev = new Event('input', { bubbles: t...