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How do I create a directory from within Emacs?
How exactly can I create a new directory using Emacs? What commands do I use? (If possible, please provide an example)
6 An...
Benefit of using Parcelable instead of serializing object
...erialization in Java is far too slow to satisfy Android’s
interprocess-communication
requirements. So the team built the Parcelable solution. The
Parcelable approach requires
that you explicitly serialize the members of your class, but in the end,
you get a much faster
seri...
Subclassing a Java Builder class
...ments instead of extends, or (c) throw everything away. I now have a weird compile error where leafBuilder.leaf().leaf() and leafBuilder.mid().leaf() is OK, but leafBuilder.leaf().mid().leaf() fails...
– Ken Y-N
Jun 19 '13 at 4:01
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How to create a .jar file or export jar on IntelliJ (like eclipse java archive export) [duplicate]
I was using IntelliJ-IDEA IDE , I want to create a jar file from java compiled class files. but I not found command or file, How to create a jar file (like eclipse java archive export)
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How to convert JSON to XML or XML to JSON?
...t.Json.Converters.XmlNodeConverter class in JSON.NET 3.5: james.newtonking.com/projects/json/help/html/…
– David Brown
May 2 '09 at 20:01
3
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runOnUiThread in fragment
...will happen when the fragment has been detached from the activity. This is common in async tasks, because the activity could have been destroyed during the long running operation, so it no longer exists to get. Always check for null first.
– bclymer
Apr 27 '16 ...
Ignoring time zones altogether in Rails and PostgreSQL
...poch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH FROM timestamptz).
The source code:
* Timestamps, as well as t...
What is the difference between a static and a non-static initialization code block
... a class which does not belong to any function. For example following code compiles:
8 Answers
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How to create a loop in bash that is waiting for a webserver to respond?
...
Combining the question with chepner's answer, this worked for me:
until $(curl --output /dev/null --silent --head --fail http://myhost:myport); do
printf '.'
sleep 5
done
...