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When should one use final for method parameters and local variables?
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Obsess over:
Final fields - Marking fields as final forces them to be set by end of construction, making that field reference immutable. This allows safe publication of fields and can avoid the need for synchronization on later reads. (Note that for an object reference, only the field r...
tomcat - CATALINA_BASE and CATALINA_HOME variables
I have multiple instances of tomcat 6 running on the same server (Linux) and it works as expected. I am trying to find out what the standard practice is with regards to setting the CATALINA_HOME and CATALINA_BASE variables.
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Convert hex to binary
...eft-side trailing zero problem:
my_hexdata = "1a"
scale = 16 ## equals to hexadecimal
num_of_bits = 8
bin(int(my_hexdata, scale))[2:].zfill(num_of_bits)
It will give 00011010 instead of the trimmed version.
share
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MySQL indexes - what are the best practices?
...reading up on indexing, there's a lot written about it, and it's important to understand what's going on.
Broadly speaking, an index imposes an ordering on the rows of a table.
For simplicity's sake, imagine a table is just a big CSV file. Whenever a row is inserted, it's inserted at the end. ...
XSLT equivalent for JSON [closed]
Is there an XSLT equivalent for JSON? Something to allow me to do transformations on JSON like XSLT does to XML.
23 Answe...
How to embed a text file in a .NET assembly?
I would like to embed a text file in an assembly so that I can load the text without having to read it from disk, and so that everything I need is contained within the exe. (So that it's more portable)
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Using openssl to get the certificate from a server
I am trying to get the certificate of a remote server, which I can then use to add to my keystore and use within my java application.
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Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
I'm curious as to whether or not there is a real difference between the money datatype and something like decimal(19,4) (which is what money uses internally, I believe).
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Using a dispatch_once singleton model in Swift
I'm trying to work out an appropriate singleton model for usage in Swift. So far, I've been able to get a non-thread safe model working as:
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Checking Bash exit status of several commands efficiently
Is there something similar to pipefail for multiple commands, like a 'try' statement but within bash. I would like to do something like this:
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