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What is an initialization block?
...placed above the constructors within braces. It is not at all necessary to include them in your classes.
They are typically used to initialize reference variables. This page gives a good explanation
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Is 0 a decimal literal or an octal literal?
... integer literals starting with zero are in fact octal. This means that it includes 0 as well. This makes little difference since zero is zero. But not knowing this fact can hurt you.
I realized this when I was trying to write a program to convert binary numbers to decimal and hexidecimal output. E...
Binary search (bisection) in Python
... thing a sorted list really gets you are "next", "previous", and "ranges" (including inserting or deleting ranges), which are O(1) or O(|range|), given a starting index. If you aren't using those sorts of operations often, then storing as sets, and sorting for display might be a better deal overall...
Backup/Restore a dockerized PostgreSQL database
...stgres -d dbname
(since this was a single db dump and not multiple db's i included the name)
However, in order to get this to work, I had to also go into the virtualenv that the docker container and project were in. This eluded me for a bit before figuring it out- as I was receiving the following ...
Java 8 Iterable.forEach() vs foreach loop
...lternative is to use StreamEx which fixes a number of Stream API problems, including implementing Iterable.
That said, forEach() is useful for the following:
Atomically iterating over a synchronized list. Prior to this, a list generated with Collections.synchronizedList() was atomic with respect to...
What is tail recursion?
...
My favourite answer as well due to including the implication for the stack size.
– njk2015
Jul 17 '17 at 13:26
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Simple conversion between java.util.Date and XMLGregorianCalendar
...n the xsd, I have followed the excellent references given above, so I have included this xml annotation:
<xsd:appinfo>
<jaxb:schemaBindings>
<jaxb:package name="at.mycomp.xml" />
</jaxb:schemaBindings>
<jaxb:globalBindings>
<jaxb:javaType...
Some questions about Automatic Reference Counting in iOS5 SDK
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and [myObject release] statements from
my code?
Yes, but XCode 4.2 includes a new "Migrate to Objective-C ARC" tool (in the Edit->Refactor menu), which does that for you. Calling dealloc is a different story. As mentioned in the comments the clang reference states that you should keep you...
Show data on mouseover of circle
...n example here:
Basically, all you have to do is to download(index.js), include the script:
<script src="index.js"></script>
and then follow the instructions from here (same link as example)
But for your code, it would be something like:
define the method:
var tip = d3.tip()
...
How to fully clean bin and obj folders within Visual Studio?
...t; <!-- obj -->
</Target>
</Project>
And then include this file at the very end of each and every one of your *.csproj files like so:
[...]
<Import Project="..\..\Tools\ExtraCleanup.targets"/>
</Project>
This way you can enrich or fine-tune you...