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What is the difference between HTTP status code 200 (cache) vs status code 304?
I'm using the Google "Page Speed" plug-in for Firefox to access my web site.
5 Answers
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What's the strangest corner case you've seen in C# or .NET? [closed]
I collect a few corner cases and brain teasers and would always like to hear more. The page only really covers C# language bits and bobs, but I also find core .NET things interesting too. For example, here's one which isn't on the page, but which I find incredible:
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Adding a new entry to the PATH variable in ZSH
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Here, add this line to .zshrc:
export PATH=/home/david/pear/bin:$PATH
EDIT: This does work, but ony's answer below is better, as it takes advantage of the structured interface ZSH provides for variables like $PATH. This approach is standard for bash, but as...
How to move the cursor word by word in the OS X Terminal
... you can use the quite bizarre Esc+F to move to the beginning of the next word and Esc+B to move to the beginning of the current word.
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How to benchmark efficiency of PHP script
...s the best way to benchmark my PHP scripts. Does not matter if a cron job, or webpage or web service.
9 Answers
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What does “Memory allocated at compile time” really mean?
...ming languages like C and C++, people often refer to static and dynamic memory allocation. I understand the concept but the phrase "All memory was allocated (reserved) during compile time" always confuses me.
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Including all the jars in a directory within the Java classpath
Is there a way to include all the jar files within a directory in the classpath?
25 Answers
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Deep null checking, is there a better way?
Note: This question was asked before the introduction of the .? operator in C# 6 / Visual Studio 2015 .
16 Answers
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Loop through files in a folder using VBA?
I would like to loop through the files of a directory using vba in Excel 2010.
6 Answers
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What are all the common ways to read a file in Ruby?
...e to explicitly close file after as above (pass a block to open closes it for you):
f = File.open("my/file/path", "r")
f.each_line do |line|
puts line
end
f.close
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