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How do I wait for an asynchronously dispatched block to finish?
...ate (eg callbacks/delegate protocols, being available, going away, errors, etc.). (These can be refactored into blocks if you don't like callback hell.) Because this is how to expose real behavior to the rest of the app than hide it behind a false façade.
Instead, use NSNotificationCenter, defin...
Android EditText delete(backspace) key event
...xtWatcher);
I hope it works on another android devices too (samsung, LG, etc).
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How to determine day of week by passing specific date?
...age for translation, and (2) cultural norms for abbreviation, punctuation, etc.
)
Tue
See this code run live at IdeOne.com (but only Locale.US works there).
java.time
See my example code above, and see the correct Answer for java.time by Przemek.
Ordinal number
if just the da...
Why are Docker container images so large?
...minimum, any file manipulation like install, moving, extracting, removing, etc, should ideally be made under a single RUN instruction
FROM fedora:latest
RUN yum -y install nano git && yum -y clean all
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How to disable text selection highlighting
...r anchors that act like buttons (for example Questions , Tags , Users , etc. which are located on the top of the Stack Overflow page) or tabs, is there a CSS standard way to disable the highlighting effect if the user accidentally selects the text?
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Remove empty elements from an array in Javascript
...t even simpler arr.filter(e=>e) and this can be chained by map, reduce, etc.
– Sheepy
Feb 9 '15 at 4:32
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How to make a Java thread wait for another thread's output?
...other (sometimes better) ways to do the above, e.g. with CountdownLatches, etc. Since Java 5 there are a lot of nifty concurrency classes in the java.util.concurrent package and sub-packages. You really need to find material online to get to know concurrency, or get a good book.
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Best way to load module/class from lib folder in Rails 3?
... into a "static" snippet of code used in many projects or a git submodule, etc.. in which case it definitely should be in the lib folder) then perhaps its place is not in the lib folder at all. Perhaps it should be in a subfolder under the app folder· I have a feeling that this is the new rails way...
In Python, when to use a Dictionary, List or Set?
...g from zero - the first one is numbered zero, the
second 1, the third 2, etc. You can remove values from the list, and
add new values to the end. Example: Your many cats' names.
Dictionaries are similar to what their name suggests - a dictionary.
In a dictionary, you have an 'index' of wo...
symbolic link: find all files that link to this file
...by some other links... ex: A->B->foo.txt, /tmp/C->B->foo.txt, etc.
– Olivier Dulac
Nov 7 '13 at 17:31
thi...