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How can I check if a Perl array contains a particular value?
I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array.
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Why am I not getting a java.util.ConcurrentModificationException in this example?
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Here's why:
As it is says in the Javadoc:
The iterators returned by this class's iterator and listIterator
methods are fail-fast: if the list is structurally modified at any
time after the iterator is created, in any way except through...
LIMIT 10..20 in SQL Server
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The LIMIT clause is not part of standard SQL. It's supported as a vendor extension to SQL by MySQL, PostgreSQL, and SQLite.
Other brands of database may have similar features (e.g. TOP in Microsoft SQL Server), but these don't always work...
Is Java Regex Thread Safe?
I have a function that uses Pattern#compile and a Matcher to search a list of strings for a pattern.
5 Answers
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What does denote in C# [duplicate]
...ing some code for a project I received. However, I keep seeing code like this :
3 Answers
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How to output something in PowerShell
... file. The script fetches a web page and checks whether the page's content is the string "OK".
7 Answers
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What's the best way to bundle static resources in a Go program? [closed]
...o help debug their applications/web services. The interface to the program is a web page which includes not only the HTML, but some JavaScript (for functionality), images and CSS (for styling). I'm planning on open-sourcing this application, so users should simply be able to run a Makefile and all t...
When and why JPA entities should implement Serializable interface?
The question is in the title. Below I just described some of my thoughts and findings.
14 Answers
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How can query string parameters be forwarded through a proxy_pass with nginx?
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From the proxy_pass documentation:
A special case is using variables in the proxy_pass statement: The requested URL is not used and you are fully responsible to construct the target URL yourself.
Since you're using $1 in the target, nginx relies on you to tell it exactly w...
Parsing JSON with Unix tools
... 'https://api.github.com/users/lambda' | jq -r '.name'
You can also do this with tools that are likely already installed on your system, like Python using the json module, and so avoid any extra dependencies, while still having the benefit of a proper JSON parser. The following assume you want to ...