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Why are Objective-C delegates usually given the property assign instead of retain?
...d A, A wouldn't be released, as B owns A, thus A's dealloc would never get called, causing both A and B to leak.
You shouldn't worry about A going away because it owns B and thus gets rid of it in dealloc.
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How to handle command-line arguments in PowerShell
...scope.
In this example, the $server gets a default value if the script is called without it, script stops if you omit the -username parameter and asks for terminal input if -password is omitted.
Update:
You might also want to pass a "flag" (a boolean true/false parameter) to a PowerShell script. F...
How to make unicode string with python3
..., In Python3 a str is unicode, ie. it is "decoded" so it makes no sense to call decode on it
– John La Rooy
Apr 19 '16 at 9:43
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How to avoid reverse engineering of an APK file?
...acker is able to change it in any way she or he finds it feasible. You basically can't protect your application from being modified. And any protection you put in there can be disabled/removed.
2. How can I protect all the app's resources, assets and source code so that hackers can't hack the ...
How do I make a list of data frames?
... to your question, but you want to use = and not <- within the function call. If you use <-, you'll end up creating variables y1 and y2 in whatever environment you're working in:
d1 <- data.frame(y1 <- c(1, 2, 3), y2 <- c(4, 5, 6))
y1
# [1] 1 2 3
y2
# [1] 4 5 6
This won't have the ...
How to filter SQL results in a has-many-through relation
...fe data.)
Slight diversion from the naming schema in the question: student.id is student.stud_id and club.id is club.club_id here.
I named the queries after their author in this thread, with an index where there are two.
I ran all queries a couple of times to populate the cache, then I picked the be...
Export database schema into SQL file
...s, choose the last option: Types of data to script you click at the right side and you choose what you want.
This is the option you should choose to export a schema and data
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UIPopovercontroller dealloc reached while popover is still visible
...e. But after allocating it for the first time I never get it nil. I mean I call a method once. There I allocate and init my ivar. And the next time when I again call that method this time I find my ivar already allocated. If ARC takes care of this, then when does it release it. Or does it autoreleas...
How do I revert master branch to a tag in git?
... the changes going in then coming back out again.
Assuming your branch is called master and the tag you want to go back to is called 1.1.1
git checkout 1.1.1
git diff master > ~/diff.patch
git checkout master
cat ~/diff.patch | git apply
git commit -am 'Rolled back to version 1.1.1'
git push o...
Why are there two build.gradle files in an Android Studio project?
...resence mandatory to trigger a build? Also, does the top level build file call sub-level files? (Although there is no evidence of that.)
– Sabuncu
Apr 23 '14 at 10:45
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