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Difference between @import and link in CSS
...nsive blog post comparing the impact of both <link> and @import (and all sorts of combinations of them) called "don’t use @import". That title pretty much speaks for itself.
Yahoo! also mentions it as one of their performance best practices (co-authored by Steve Souders): Choose <link>...
Is JavaScript a pass-by-reference or pass-by-value language?
...oduces the output:
10
changed
unchanged
If obj1 was not a reference at all, then changing obj1.item would have no effect on the obj1 outside of the function.
If the argument was a proper reference, then everything would have changed. num would be 100, and obj2.item would read "changed".
Instea...
is it possible to change values of the array when doing foreach in javascript?
...
The callback is passed the element, the index, and the array itself.
arr.forEach(function(part, index, theArray) {
theArray[index] = "hello world";
});
edit — as noted in a comment, the .forEach() function can take a second...
How to display a dynamically allocated array in the Visual Studio debugger?
If you have a statically allocated array, the Visual Studio debugger can easily display all of the array elements. However, if you have an array allocated dynamically and pointed to by a pointer, it will only display the first element of the array when you click the + to expand it. Is there an eas...
Bamboo Vs. Hudson(a.k.a. Jenkins) vs Any other CI systems [closed]
...ur build process.
Deploy artifacts to servers (i.e. deploy the war if all the unit tests pass.)
Bamboo 2.7 supports Build Stages, which allow you to break up your build into a Unit Test Stage and a Deploy Stage. Only if the Unit Test Stage succeeds, the build will move on to the Deploy Stage....
MySQL ON vs USING?
... far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USING() .
...
How do I forward parameters to other command in bash script?
...
Use the shift built-in command to "eat" the arguments. Then call the child process and pass it the "$@" argument to include all remaining arguments. Notice the quotes, they should be kept, since they cause the expansion of the argument list to be properly quoted.
...
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...
Type or namespace name does not exist [closed]
...ata Service project built with Visual Studio 2010, which was working fine. All of a sudden, it didn't compile anymore. It was giving me messages like:
...
Decimal number regular expression, where digit after decimal is optional
...r);
\d* - 0 or more digits (the decimal part);
$ - End of the line.
This allows for .5 decimal rather than requiring the leading zero, such as 0.5
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