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Orchestration vs. Choreography
What are the differences between service orchestration and service choreography from an intra-organization point of view.
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How to subtract X day from a Date object in Java?
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Java 8 and later
With Java 8's date time API change, Use LocalDate
LocalDate date = LocalDate.now().minusDays(300);
Similarly you can have
LocalDate date = someLocalDateInstance.minusDays(300);
Refer to https://stackoverflow....
Why should a Java class implement comparable?
...han other, > 0 if this is supposed to be greater than
// other and 0 if they are supposed to be equal
int last = this.lastName.compareTo(other.lastName);
return last == 0 ? this.firstName.compareTo(other.firstName) : last;
}
}
later..
/**
* List the authors. Sort ...
T-SQL Cast versus Convert
...'t care about the extended features, use CAST.
EDIT:
As noted by @beruic and @C-F in the comments below, there is possible loss of precision when an implicit conversion is used (that is one where you use neither CAST nor CONVERT). For further information, see CAST and CONVERT and in particular thi...
difference between throw and throw new Exception()
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throw; rethrows the original exception and preserves its original stack trace.
throw ex; throws the original exception but resets the stack trace, destroying all stack trace information until your catch block.
NEVER write throw ex;
throw new Exception(ex.Message...
width:auto for fields
...re's the best I could do after a few minutes. It's 1px off in FF, Chrome, and Safari, and perfect in IE. (The problem is #^&* IE applies borders differently than everyone else so it's not consistent.)
<div style='padding:30px;width:200px;background:red'>
<form action='' method='pos...
How do I prevent Android taking a screenshot when my app goes to the background?
...R.layout.main);
}
}
This definitely secures against manual screenshots and automatic screenshots from the ICS recent-tasks history. It also secures against screen recording (e.g., apps using the media projection APIs).
UPDATE: it also secures against Now On Tap or other assistants on Android 6....
How do I view the list of functions a Linux shared library is exporting?
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What you need is nm and its -D option:
$ nm -D /usr/lib/libopenal.so.1
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.
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00012ea0 T alcSetThreadContext
000140f0 T alcSuspendContext
U atanf
U calloc
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Exported sumbols are indicated by a T. Required symbols that mus...
PostgreSQL Autoincrement
I'm switching from MySQL to PostgreSQL and was wondering how I can do autoincrement values. I saw in the PostgreSQL docs a datatype "serial", but I get syntax errors when using it (in v8.0).
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Get hours difference between two dates in Moment Js
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@GregL I stand corrected jsfiddle.net/qxxr1Lyr I must have mistakenly used the .hours() method without noticing.
– Daniel F
Nov 6 '15 at 9:35
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