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How to properly compare two Integers in Java?
...not necessary in Java 8 anymore. The comparison of Integer with Integer is by value by default.
– Axel Prieto
Jul 21 '18 at 11:12
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What is the difference between == and Equals() for primitives in C#?
...hort with the same value. You're passing a boxed int, so it returns false.
By contrast, the == operator is defined as taking two ints (or shorts or longs).
When you call it with an int and a short, the compiler will implicitly convert the short to int and compare the resulting ints by value.
Other w...
Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...ode into email, web pages, and books.
To view multiple source windows side-by-side or using a side-by-side diff viewer.
To improve readability. Narrow code can be read quickly without having to scan your eyes from side to side.
I think the last point is the most important. Though displays have gro...
Why is nginx responding to any domain name?
I have nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my nginx.conf:
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Subtract 7 days from current date
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use dateByAddingTimeInterval method:
NSDate *now = [NSDate date];
NSDate *sevenDaysAgo = [now dateByAddingTimeInterval:-7*24*60*60];
NSLog(@"7 days ago: %@", sevenDaysAgo);
output:
7 days ago: 2012-04-11 11:35:38 +0000
Hope it ...
What is the easiest way to ignore a JPA field during persistence?
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To ignore a field, annotate it with @Transient so it will not be mapped by hibernate.
but then jackson will not serialize the field when converting to JSON.
If you need mix JPA with JSON(omit by JPA but still include in Jackson) use @JsonInclude :
@JsonInclude()
@Transient
private String token...
Understanding the main method of python [duplicate]
...__name__ line is being executed, evaluated, in both cases. It's evaluated by the interpreter when the file is imported or when it's executed. If you put a print statement before the if __name__ line then it will print output every time any other code attempts to import that as a module. (Of cours...
SQL Server Profiler - How to filter trace to only display events from one database?
...have to use the DatabaseID column and find out the correct values to enter by querying the sysdatabases table in the master database
– Jim Birchall
Nov 10 '08 at 8:39
35
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What is the difference between onPause() and onStop() of Android Activites?
...ctivities at the same time. The first activity with the fields is obscured by another activity, and the user can no longer interact with it. However, it is still visible with all the resulting consequences.
That leaves a question which activity is considered fully opaque and covering the whole scre...
Non-Relational Database Design [closed]
...eshare) Graph Databases and the Future of Large-Scale Knowledge Management by Marko Rodriguez contains a very nice introduction to data design using a graph database as well.
Answering the specific questions from a graphdb point of view:
Alternate design: adding relationships between many differen...