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What are fail-safe & fail-fast Iterators in Java
There are two types of iterators in Java: fail-safe and fail-fast.
4 Answers
4
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How are virtual functions and vtable implemented?
...t 1 virtual function. There is a space overhead associated with the vtable and a time overhead associated with calling a virtual function vs a non-virtual function.
Do abstract classes simply have a NULL for the function pointer of at least one entry?
The answer is it is unspecified by the languag...
Why is it not advisable to have the database and web server on the same machine?
...ning to Scott Hanselman's interview with the Stack Overflow team ( part 1 and 2 ), he was adamant that the SQL server and application server should be on separate machines. Is this just to make sure that if one server is compromised, both systems aren't accessible? Do the security concerns outwe...
Graphviz: How to go from .dot to a graph?
...ps
If you want to use the dot renderer. There are alternatives like neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there.
You can change the output format by varying the value after -T and choosing an appropriate filename extension after -o.
If yo...
Switching between tabs in NERDTree
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An additional option (and my personal choice)beyond the ones listed by Michael Madsen:
gt = next tab
gT = previous tab
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Tool to generate JSON schema from JSON data [closed]
...ave this json schema draft . I would like to get a sample of my JSON data and generate a skeleton for the JSON schema, that I can rework manually, adding things like description, required, etc, which can not be infered from the specific examples.
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MySQL select where column is not empty
...g:
select phone, phone2
from jewishyellow.users
where phone like '813%' and phone2<>''
Note that NULL value is interpreted as false.
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Spring classpath prefix difference
...es under conf folders in all your jars on the classpath will be picked up and joined into one big application context.
In contrast, classpath:conf/appContext.xml will load only one such file... the first one found on your classpath.
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Is it possible to run selenium (Firefox) web driver without a GUI?
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This works and supports screenshots. I use this. It also works with google chrome.
– Isaac
May 2 '12 at 14:30
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Smooth scrolling when clicking an anchor link
... scrollTop: $($.attr(this, 'href')).offset().top
}, 500);
});
And here's the fiddle: http://jsfiddle.net/9SDLw/
If your target element does not have an ID, and you're linking to it by its name, use this:
$('a[href^="#"]').click(function () {
$('html, body').animate({
scr...