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I don't understand -Wl,-rpath -Wl,
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From gcc.gnu.org/onlinedocs/gcc/Link-Options.html#Link-Options under -Wl,option: "When using the GNU linker, you can also get the same effect with -Wl,-Map=output.map." To me, that seems to indicate that if you use a linker o...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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Make page to tell browser not to cache/preserve input values
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From a Stack Overflow reference
It did not work with value="" if the browser already saves the value so you should add.
For an input tag there's the attribute autocomplete you can set:
<input type="text" autocomplete="o...
Time complexity of Euclid's Algorithm
...gGidney: Thanks for fixing that. Now I recognize the communication problem from many Wikipedia articles written by pure academics. Consider this: the main reason for talking about number of digits, instead of just writing O(log(min(a,b)) as I did in my comment, is to make things simpler to understa...
How do I find the number of arguments passed to a Bash script?
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to add the original reference:
You can get the number of arguments from the special parameter $#. Value of 0 means "no arguments". $# is read-only.
When used in conjunction with shift for argument processing, the special parameter $# is decremented each time Bash Builtin shift is executed....
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ds on the scenario. If you know you should always get a single record back from the db, no more, no less, for a given query then Single() is the 'right' one to use. In other situations the others may be more appropriate. In previous versions of EF we were limited to First() and FirstOrDefault() whic...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
...tatement. If you´re an alpine user, just create your own Dockerfile with FROM nginx:alpine RUN ln -sf /dev/stdout /var/log/nginx/access.log \ && ln -sf /dev/stderr /var/log/nginx/error.log CMD ["nginx-debug", "-g", "daemon off;"]
– jonashackt
Mar 1...
How to compare strings ignoring the case
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From my benchmarks casecmp is at least twice as fast as the downcase method
– Jacob
May 3 '11 at 22:15
77...
Disable copy constructor
... = delete;
NonAssignable() {}
};
The delete keyword prevents members from being default-constructed, so they cannot be used further in a derived class's default-constructed members. Trying to assign gives the following error in GCC:
test.cpp: error: use of deleted function
‘Symbol...
Unstage a deleted file in git
...file status in the index
git reset -- <file>
# then check out a copy from the index
git checkout -- <file>
To undo git add <file>, the first line above suffices, assuming you haven't committed yet.
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