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What's the difference between the atomic and nonatomic attributes?
.../nonatomic/retain/assign/copy are merely advisory. (Note: @synthesize is now the default behavior in recent versions of LLVM. There is also no need to declare instance variables; they will be synthesized automatically, too, and will have an _ prepended to their name to prevent accidental direct ...
Convert hex string to int
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Awesome thank you! I probably should have known that. But it makes me feel better none of the 4 people I asked prior to posting knew it either :). As a side note, I now have to go figure out why the person wrote the code that I need to compare the ints to has them a...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...dow on screen. To do that you have to manually call Marker.showInfoWindow. Now, if you perform some permanent change in your InfoWindow (like changing the label of your button to something else), this is good enough.
But showing a button pressed state or something of that nature is more complicat...
Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?
...ncluding macro record/replay, macro projects and the Macros IDE. While we know that macros have been valuable for those who use them, unfortunately our usage data shows that less than 1% of Visual Studio developers take advantage of this feature. Therefore, we’ve found ourselves investing more dee...
Unix - copy contents of one directory to another [closed]
And now Folder2/ looks like:
3 Answers
3
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Check if two lists are equal [duplicate]
... this does not apply for all cases, List A {a,a} and list B contains {b,a} now ListB.All(listA.contains) and LIstA.All(listB.contains) will give different results, since both have same count, we will get true in one of them even though both are different, it wont work if a list has multiple entries ...
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
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@PeterLawrey - I now conducted my tests and posted results on StackOverflow, but within the Question itself, as it still remains "locked" and can't post an answer. If you could, please add your vote to re-open the question. The results are in...
A regular expression to exclude a word/string
...h words, you need a conjuction:
^/(?!ignoreme$)(?!ignoreme2$)[a-z0-9]+$
Now both conditions must be true (neither ignoreme nor ignoreme2 is allowed) to have a match.
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Why do access tokens expire?
...izes my app I am given a "refresh token" and a short lived "access token". Now every time the access token expires, I can POST my refresh token to Google and they will give me a new access token.
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Select first row in each GROUP BY group?
...ndex-only scans is in development for Postgres 14. See here and here.)
For now, there are faster query techniques to substitute for this. In particular if you have a separate table holding unique customers, which is the typical use case. But also if you don't:
Optimize GROUP BY query to retrieve la...