大约有 48,000 项符合查询结果（耗时：0.0682秒） [XML]
execJs: 'Could not find a JavaScript runtime' but execjs AND therubyracer are in Gemfile
...
Ubuntu Users:
I had the same problem and I fixed it by installing nodejson my system independent of the gem.
on ubuntu its: sudo apt-get install nodejs
I'm using 64bit ubuntu 11.10
update:
From @Galina 's answer below I'm guessing that the latest version of ...
Is std::vector copying the objects with a push_back?
...
Yes, std::vector<T>::push_back() creates a copy of the argument and stores it in the vector. If you want to store pointers to objects in your vector, create a std::vector<whatever*> instead of std::vector<whatever>.
However, you need to make sure that the objects referenced...
Using parameters in batch files at Windows command line
...
As others have already said, parameters passed through the command line can be accessed in batch files with the notation %1 to %9. There are also two other tokens that you can use:
%0 is the executable (batch file) name as specified in the command line.
%* is all parameters specified i...
Having both a Created and Last Updated timestamp columns in MySQL 4.0
...possible to have the current timestamp be the default value for one column and the auto-update value for another column.
Changes in MySQL 5.6.5:
Previously, at most one TIMESTAMP column per table could be automatically initialized or updated to the current date and time. This restriction has b...
How to sort Map values by key in Java?
I have a Map that has strings for both keys and values.
15 Answers
15
...
Capture key press (or keydown) event on DIV element
...n readers for visually impaired users (it will skip everything on the page and go straight to any tabindex above 0). tabindex="0" makes it "tabbable." you can have infinite elements with tabindex="0"
– zonabi
Feb 29 '16 at 18:26
...
Pretty printing XML in Python
...ered Jul 30 '09 at 14:12
Ben NolandBen Noland
30.7k1616 gold badges4747 silver badges4949 bronze badges
...
Why are the Level.FINE logging messages not showing?
...t publish the messages to the destinations, which is taken care of by the Handlers. Setting the level of a logger, only causes it to create log records matching that level or higher.
You might be using a ConsoleHandler (I couldn't infer where your output is System.err or a file, but I would assume ...
Laravel requires the Mcrypt PHP extension
...
The web enabled extensions and command line enabled extensions can differ. Run php -m in your terminal and check to see if mcrypt is listed. If it's not then check where the command line is loading your php.ini file from by running php --ini from your ...
vs. . Which to use?
...ferences (basically you can put html into a <button></button>)
And another page describing why people avoid <button></button> (Hint: IE6)
Another IE problem when using <button />:
And while we're talking about IE, it's
got a couple of bugs related to the
width...