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What is the difference between public, protected, package-private and private in Java?
...unately, this answer is a gross oversimplification. Reality is a bit more complicated, especially when you consider protected (which is actually quite a difficult access modifier to fully understand - most people who think they know what protected means really don't). Also, as Bohemian pointed out...
How to process SIGTERM signal gracefully?
... Thanks for the idea! I used a modified approach in reboot-guard. github.com/ryran/reboot-guard/blob/master/rguard#L284:L304
– rsaw
Sep 6 '15 at 15:28
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Concat scripts in order with Gulp
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Or versus OrElse
...ays attempt to evaluate both terms. When temp Is DBNull.Value, it can't be compared to zero, so it falls over.
You should use... well, whichever one makes sense.
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Running multiple commands with xargs
... 'command1 {}; command2 {}; ...; '
Watch the intro videos to learn more: https://www.youtube.com/playlist?list=PL284C9FF2488BC6D1
For security reasons it is recommended you use your package manager to
install. But if you cannot do that then you can use this 10 seconds
installation.
The 10 second...
How to export collection to CSV in MongoDB?
... are required for csv.
According to this bug in the MongoDB issue tracker https://jira.mongodb.org/browse/SERVER-4224 you MUST provide the fields when exporting to a csv. The docs are not clear on it. That is the reason for the error.
Try this:
mongoexport --host localhost --db dbname --collectio...
How to force the browser to reload cached CSS/JS files?
... sort of thing, and they are usually playing by the rules laid down in the HTTP specification. When a browser makes a request to a server, part of the response is an EXPIRES header.. a date which tells the browser how long it should be kept in cache. The next time the browser comes across a reques...
How to smooth a curve in the right way?
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Check this out! There is a clear definition of smoothing of a 1D signal.
http://scipy-cookbook.readthedocs.io/items/SignalSmooth.html
Shortcut:
import numpy
def smooth(x,window_len=11,window='hanning'):
"""smooth the data using a window with requested size.
This method is based on the ...
Is it possible to make abstract classes in Python?
...you need it? If the class is already established as abstract shouldn't the compiler/interpret know that all the methods are from the abstract class in question?
– Charlie Parker
Mar 17 '14 at 3:30
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How do you round a float to two decimal places in jruby
...mber almost any way you like, and lots more.
Full sprintf documentation: http://www.ruby-doc.org/core-2.0.0/Kernel.html#method-i-sprintf
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