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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...
How long do browsers cache HTTP 301s?
...is directed back to a same URL a second time during a redirect, it should fetch it from the origin again instead of redirecting again from cache, in an attempt to avoid a redirect loop. Comments on this answer indicate this now works in all major browsers - but there may be some minor browsers wher...
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
share
...
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?
...
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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show 25 more comments
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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.
...
Why should I use Google's CDN for jQuery?
...ts rather than load it from a CDN.
The reason is the latency involved in fetching jQuery on mobile devices:
"In 2012 the average RTT time on a mobile network in the United States
was 344ms. And that 344ms applies to not only every HTTP request –
which the average web page now makes 93 of ...
How can I check if a URL exists via PHP?
...returned by get_headers() are well formed.
Use curl (if you can).
Prevent fetching the entire body/content, but only request the headers.
Consider redirecting urls:
Do you want the first code returned?
Or follow all redirects and return the last code?
You might end up with a 200, but it could redire...
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...