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Will docker container auto sync time with the host machine?
...mezone of docker container correctly. Do I need to install a NTP server inside the docker container to periodically sync the time or the container will sync the time from its host machine?
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JavaScript for…in vs for
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The choice should be based on the which idiom is best understood.
An array is iterated using:
for (var i = 0; i < a.length; i++)
//do stuff with a[i]
An object being used as an associative array is iterated using:
for (var key in o)
//do stuff with o[k...
Escape angle brackets in a Windows command prompt
...to use a character that was unlikely to appear in normal text, so that it didn't cause easily avoidable, but unwanted, character escapes.
– David A. Gray
Nov 14 '17 at 9:05
ad...
How do I get the MIN() of two fields in Postgres?
... edited Feb 3 '11 at 5:26
David Underhill
15k77 gold badges5050 silver badges6161 bronze badges
answered Nov 25 '08 at 22:17
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NSLog the method name with Objective-C in iPhone
...o my logging statements?
To assist with logging:
The C preprocessor provides a few macros.
Objective-C provides expressions (methods).
Pass the implicit argument for the current method's selector: _cmd
As other answers indicated, to merely get the current method's name, call:
NSStringFromS...
Entity Framework: There is already an open DataReader associated with this Command
...is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this always happens is when you iterate through result of the query (IQueryable) and you will trigger lazy loa...
Real-world applications of zygohistomorphic prepromorphisms
...ion of maximum segment sums). Zygomorphisms are seemingly a good fit for sliding window problems once you are accustomed to them.
http://www.iis.sinica.edu.tw/~scm/2010/functional-pearl-maximally-dense-segments/
I'd nominate the authors for extra credit as they've avoided the use of the fixed-poin...
Is there a way to use two CSS3 box shadows on one element?
... is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself.
2 Answers
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iTerm2 keyboard shortcut - split pane navigation
I have been a long time user of the standard Mac Terminal. Decided to experiment with iTerm2 after hearing good things about it from my colleagues.
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how to view the contents of a .pem certificate
...09 -in certificate.pem -text
This should work for any x509 .pem file provided you have openssl installed.
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