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getSupportActionBar from inside of Fragment ActionBarCompat
...is is why we need support classes that mirror the functionality of the new and improved classes and APIs in more recent SDKs.
– Pierre-Antoine LaFayette
Aug 19 '13 at 18:56
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How to use QueryPerformanceCounter?
...eded to change from using milliseconds to microseconds for my Timer class, and after some research I've decided that QueryPerformanceCounter is probably my safest bet. (The warning on Boost::Posix that it may not works on Win32 API put me off a bit). However, I'm not really sure how to implement i...
test a file upload using rspec - rails
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@AbePetrillo (or whoever sees the comment and has the same question) I had the same issue. In my case, the first argument to post was a path helper method, whose only intended argument I didn't enclose in parentheses, so the following tokens were interpreted as addit...
How to loop over files in directory and change path and add suffix to filename
...t files, or all files in /Data? Here's an answer, assuming /Data/data1.txt and .txt files only:
#!/bin/bash
for filename in /Data/*.txt; do
for ((i=0; i<=3; i++)); do
./MyProgram.exe "$filename" "Logs/$(basename "$filename" .txt)_Log$i.txt"
done
done
Notes:
/Data/*.txt expand...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
When using myDelegate -= eventHandler ReSharper (version 6) issues:
3 Answers
3
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What does “./bin/www” do in Express 4.x?
I just started to learn about Express 4.0 in my Node.js app, and I found that it generated ./bin/www file, on which only the application server and port settings are written and everything others like middleware and routing is defined in ./app.js file.
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How to find and return a duplicate value in array
...s isn't very elegant answer, but I love it. It's beautiful one liner code. And works perfectly fine unless you need to process huge data set.
Looking for faster solution? Here you go!
def find_one_using_hash_map(array)
map = {}
dup = nil
array.each do |v|
map[v] = (map[v] || 0 ) + 1
...
ASP.NET MVC: Is Controller created for every request?
...created for every HTTP request, or are they created at application startup and reused throughout requests?
4 Answers
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...y having a #! at the start of the first line, followed by the interpreter (and any flags it may need).
If you're talking about other platforms, of course, this rule does not apply (but that "shebang line" does no harm, and will help if you ever copy that script to a platform with a Unix base, such ...
Why does `a == b or c or d` always evaluate to True?
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In many cases, Python looks and behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" and "Inbar" are objects joined to the verb "equals", but the Python interpreter is more...