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What are the rules for evaluation order in Java?
I am reading some Java text and got the following code:
5 Answers
5
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Composer killed while updating
...file.
Run composer install on the live server.
composer install will then read from the .lock file, fetching the exact same versions every time rather than finding the latest versions of every package. This makes your app less likely to break, and composer uses less memory.
Read more here: https://...
How to manually expand a special variable (ex: ~ tilde) in bash
...ty bad answer (I was young, don't kill me).
The other solutions in this thread are safer and better solutions. Preferably, I'd go with either of these two:
Charle's Duffy's solution
Håkon Hægland's solution
Original answer for historic purposes (but please don't use this)
If I'm not mistak...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
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The biggest advantage of nonblocking or asynchronous I/O is that your thread can continue its work in parallel. Of course you can achieve this also using an additional thread. As you stated for best overall (system) performance I guess it would be better to use asynchronous I/O and not multiple t...
Hidden features of Windows batch files
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I have always found it difficult to read comments that are marked by a keyword on each line:
REM blah blah blah
Easier to read:
:: blah blah blah
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How to print matched regex pattern using awk?
...out the line, which by default is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
sha...
Changing the interval of SetInterval while it's running
... Being nitpicky here, but I gotta say, that code is pretty hard to read. If you're gonna use next-line braces, at least have the decency to either use 4-8-space indentation or never go beyond 2 indents. IMO this version is much easier to read. Also take note of the renaming of t to tick, whi...
Concatenate multiple files but include filename as section headers
...r all text files recursively:
find . -type f -name '*.txt' -print | while read filename; do
echo "$filename"
cat "$filename"
done > output.txt
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size_t vs. uintptr_t
...ns that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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How do I comment out a block of tags in XML?
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I have run into problems with (1), as some XML readers (i.e. CruiseControl.NET) may have problems reading a nested comment that has its ">" removed from the end. I ended up having to remove the comments altogether.
– undeniablyrob
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