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How do I avoid capturing self in blocks when implementing an API?
I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...
Nested attributes unpermitted parameters
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If you use a JSONB field, you must convert it to JSON with .to_json (ROR)
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How to merge dictionaries of dictionaries?
...for key in b:
if key in a:
if isinstance(a[key], dict) and isinstance(b[key], dict):
merge(a[key], b[key], path + [str(key)])
elif a[key] == b[key]:
pass # same leaf value
else:
raise Exception('Conflict at %...
What's the difference between BaseAdapter and ArrayAdapter?
I want to know the difference between using BaseAdapter and ArrayAdapter .
6 Answers
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HTML minification? [closed]
...e rules:
All HTML comments are removed
Runs of white space characters are converted to single space characters
Unnecessary white space characters inside tags are removed
White space characters between two tags where one of these two tags is not a singleton is removed
All content inside a style tag ...
How to find/identify large commits in git history?
... tail -1). Newlines get in the way for anything bigger. You can use sed to convert the newlines so grep will play nice: git rev-list --objects --all | grep -E `git verify-pack -v .git/objects/pack/*.idx | sort -k 3 -n | tail -10 | awk '{print$1}' | sed ':a;N;$!ba;s/\n/|/g'`
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How to get RelativeLayout working with merge and include?
I have been trying for a few days now to make my layouts more efficient by converting from using several levels of nested LinearLayouts to one RelativeLayout and have come across a few problems that I haven not been able to find a workaround for...
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Parallel.ForEach vs Task.Run and Task.WhenAll
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The first version will synchronously block the calling thread (and run some of the tasks on it).
If it's a UI thread, this will freeze the UI.
The second version will run the tasks asynchronously in the thread pool and release the calling thread until they're done.
There are also diffe...
Best Practice: Access form elements by HTML id or name attribute?
... normal JS object, and elements.foo or elements["foo"] is actually getting converted to elements.namedItem("foo"). i.e. you're calling a DOM-defined function, not referencing a JS property!
– Doin
Jul 21 '19 at 16:36
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Switch case with fallthrough?
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You can also convert C to lowercase case "${C,,}" in if the case isn't important
– Sprinterfreak
Mar 22 '14 at 12:02
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