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Do spurious wakeups in Java actually happen?
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The Wikipedia article on spurious wakeups has this tidbit:
The pthread_cond_wait() function in Linux is implemented using the futex system call. Each blocking system call on Linux returns abruptly with EINTR when the process receives a signal. ... pthread_cond_wait() can't restart the waiti...
Using Excel OleDb to get sheet names IN SHEET ORDER
I'm using OleDb to read from an excel workbook with many sheets.
11 Answers
11
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VIM + JSLint?
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@jamessan: the mylintrun.js script reads the file from stdin. So that's what the catting is for. For the error output mylintrun.js needs also the file name, so it is given as an argument. You could modify the script to open the file for reading instead of read...
How can I format my grep output to show line numbers at the end of the line, and also the hit count?
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new linux user is lazy of reading man page. But if they use linux enough, they will be used to it :) It's super useful :)
– Dzung Nguyen
Jun 12 '12 at 14:04
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GPL and LGPL open source licensing restrictions [closed]
I am having trouble understanding the usage permissions of open source. I read somewhere that GPL or LGPL enforces that software that uses GPL software must also be released open-source. I want to create an application that uses some open-source image recognition library. Can I sell this application...
How can I send an HTTP POST request to a server from Excel using VBA?
What VBA code is required to perform an HTTP POST from an Excel spreadsheet?
6 Answers
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Where are environment variables stored in registry?
...s an environment variable remotely. To do this I think the best way is to read it from registry.
4 Answers
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How to convert timestamps to dates in Bash?
...]]
then
if [[ -p /dev/stdin ]] # input from a pipe
then
read -r p
else
echo "No timestamp given." >&2
exit
fi
else
p=$1
fi
date -d "@$p" +%c
share
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Can Retrofit with OKHttp use cache data when offline
... if (Utils.isNetworkAvailable(context)) {
int maxAge = 60; // read from cache for 1 minute
return originalResponse.newBuilder()
.header("Cache-Control", "public, max-age=" + maxAge)
.build();
} else {
int maxStale =...
Functional design patterns [closed]
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My suggestion is, if you want to learn Scala, to read the book from Paul Chiusano and Runar Bjarnason:
http://manning.com/bjarnason/
Part II: Functional design and combinator libraries
Making little languages
JSON serialization
Specification-based testing
Parsers
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