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Removing the title text of an iOS UIBarButtonItem
What I wanted to do is to remove the text from the 'Back' button of a UIBarButtonItem , leaving only the blue chevron on the navigation bar. Keep in mind that I'm developing for iOS 7. I've tried several methods, including, but not limited to:
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Find where python is installed (if it isn't default dir)
Python is on my machine, I just don't know where, if I type python in terminal it will open Python 2.6.4, this isn't in it's default directory, there surely is a way of finding it's install location from here?
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Speed up the loop operation in R
...mething. (simple operation). The data.frame has roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the runtime.
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What is the best way to repeatedly execute a function every x seconds?
...Python every 60 seconds forever (just like an NSTimer in Objective C). This code will run as a daemon and is effectively like calling the python script every minute using a cron, but without requiring that to be set up by the user.
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Proper usage of Optional.ifPresent()
...t;? super User> as argument. You're passing it an expression whose type is void. So that doesn't compile.
A Consumer is intended to be implemented as a lambda expression:
Optional<User> user = ...
user.ifPresent(theUser -> doSomethingWithUser(theUser));
Or even simpler, using a meth...
What's the best way to convert a number to a string in JavaScript? [closed]
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like this:
var foo = 45;
var bar = '' + foo;
Actually, even though I typically do it like this for simple convenience, over 1,000s of iterations it appears for raw speed there is an advantage for .toString()
See Performance test...
Does Swift have access modifiers?
...) // ok
// Second.framework – C.swift
import First
A() // error: A is unavailable
3. fileprivate
Restricts the use of an entity to its defining source file. You typically use fileprivate access to hide the implementation details of a specific piece of functionality when those details are ...
How to detect if JavaScript is disabled?
There was a post this morning asking about how many people disable JavaScript. Then I began to wonder what techniques might be used to determine if the user has it disabled.
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Android Spinner: Get the selected item change event
How can you set the event listener for a Spinner when the selected item changes?
16 Answers
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Effective way to find any file's Encoding
Yes is a most frequent question, and this matter is vague for me and since I don't know much about it.
9 Answers
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