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How to set the environmental variable LD_LIBRARY_PATH in linux
...you are supposed to write the complete path to the directory that contains all the libraries that you wish to add to the system, for example
/home/linux/myLocalLibs
remember to add only the path to the dir, not the full path for the file, all the libs inside that path will be automatically indexe...
Should I use Vagrant or Docker for creating an isolated environment? [closed]
...I think Docker is what you want.
Vagrant is a virtual machine manager. It allows you to script the virtual machine configuration as well as the provisioning. However, it is still a virtual machine depending on VirtualBox (or others) with a huge overhead. It requires you to have a hard drive file th...
Is there a way to recover from an accidental “svn revert”?
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No, (absolutely) NO.
If you say to Subversion it should revert a file, all changes are gone by the wind.
Only your memory can get them back.
Exception: New files you had added, will only lose their status "added", but the file will remain in this directory, only status is unknown("?")
Plat...
How do I find Waldo with Mathematica?
... over the weekend: What is a good way to solve those Where's Waldo? [ 'Wally' outside of North America] puzzles, using Mathematica (image-processing and other functionality)?
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Undefined behavior and sequence points
...the C++ standard. The C++11 and C++14 versions of the standard do not formally contain 'sequence points'; operations are 'sequenced before' or 'unsequenced' or 'indeterminately sequenced' instead. The net effect is essentially the same, but the terminology is different.
Disclaimer : Okay. This ...
Mercurial undo last commit
How can I undo my last accidentally commited (not pushed) change in Mercurial?
7 Answers
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When to add what indexes in a table in Rails
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Should I add "index" to all the foreign keys like "xxx_id"?
It would be better, because it accelerates the search in sorting in this column. And Foreign keys are something searched for a lot.
Since Version 5 of rails the index will be created aut...
Using jQuery to replace one tag with another
Using jQuery, I'm trying to replace all the occurrences of:
13 Answers
13
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How to retrieve all keys (or values) from a std::map and put them into a vector?
... to read depending on the skill level of your fellow programmers. Additionally, it moves functionality away from the call site. Which can make maintenance a little more difficult.
I'm not sure if your goal is to get the keys into a vector or print them to cout so I'm doing both. You may try somet...
execute function after complete page load
... why jQuery will most probably implement some heavy workarounds to support all the browsers. And this will make it very difficult to "exactly" simulate the behavior using plain Javascript (but not impossible of course).
as Jeffrey Sweeney and J Torres suggested, i think its better to have a setTime...