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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...Active)
}
The big change here is that instead of calling a #selector, we now call the var created above. This can eliminate situations where you get invalid selector crashes.
Finally, we remove the observer.
func removeObserver() {
NotificationCenter.default.removeObserver(self, name: .UIApp...
How can I programmatically check whether a keyboard is present in iOS app?
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Nice answer! I know this is several years old but the NSAutoreleasePool alloc/release can now be replaced by surrounding the code in @autoreleasepool { }
– chown
Sep 12 '12 at 23:06
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Is there a better way to write this null check, and a non-empty check, in groovy?
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!members.find()
I think now the best way to solve this issue is code above. It works since Groovy 1.8.1 http://docs.groovy-lang.org/docs/next/html/groovy-jdk/java/util/Collection.html#find(). Examples:
def lst1 = []
assert !lst1.find()
def lst2 = ...
How to overwrite styling in Twitter Bootstrap
...debar {
float: right;
}
Forgive the lack of HAML and SASS, I do not know them well enough to write tutorials in them.
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Enum type constraints in C# [duplicate]
...an the restrictions being removed from C# 5. (I assume C# 4 is locked down now.)
– Jon Skeet
Sep 10 '09 at 8:52
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Optimising Android application before release [closed]
I'm in a " special " situation about efficiency of my program. Now I'm at a phase where I need to improve the performance of the application and reduce battery consumption .
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
...ssue... somebody submitted mixed line
endings into the version control, so now we have a bunch of files with 0x0d
0x0d 0x0a line endings. Note that
grep -P '\x0d\x0a'
finds all lines, whereas
grep -P '\x0d\x0d\x0a'
and
grep -P '\x0d\x0d'
finds no lines so there may be something "else" going...
Source unreachable when using the NuGet Package Manager Console
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It also worked for me (right now, actually!). I was trying to install an older version of jQuery, but it kept raising the error: "The source at nuget.org [nuget.org/api/v2/]". I don't know how to fix it though.
– Loudenvier
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Why does python use 'else' after for and while loops?
...ght change in
syntax, programmers who want this syntax can have it right now:
for item in sequence:
process(item)
else: # no break
suite
* Bonus quote from that part of the video: "Just like if we called lambda makefunction, nobody would ask, 'What does lambda do?'"
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Proper way to add svn:executable
...cutable before svn adding them. They have the svn:executable property set. Now, a few other files were checked in without the executable bit do not have it, and I want to set the svn:executable property:
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