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Java: difference between strong/soft/weak/phantom reference
I have read this article about the topic, but I don't really understand it.
Please give me some advice along with examples when describing the concepts.
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Why does this iterative list-growing code give IndexError: list assignment index out of range?
...or l in i:
j.append(l)
Of course, you'd never do this in practice if all you wanted to do was to copy an existing list. You'd just do:
j = list(i)
Alternatively, if you wanted to use the Python list like an array in other languages, then you could pre-create a list with its elements set to ...
How to pass optional arguments to a method in C++?
... do_something();
else
do_something_else();
}
you can call myfunc in both ways and both are valid
myfunc(10); // Mode will be set to default 0
myfunc(10, 1); // Mode will be set to 1
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How to request Google to re-crawl my website? [closed]
... you can follow the directions to submit a sitemap.
Your second (and generally slower) option is, as seanbreeden pointed out, submitting here: http://www.google.com/addurl/
Update 2019:
Login to - Google Search Console
Add a site and verify it with the available methods.
After verification from ...
Mocking vs. Spying in mocking frameworks
...ate spies of real objects. When you use the spy then the real methods are called (unless a method was stubbed).
Real spies should be used carefully and occasionally, for example when dealing with legacy code.
When in doubt, use mocks.
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How can I split a JavaScript string by white space or comma?
... @Bergi: Well, it's both more strict than what I suggest (only one comma allowed, in front) and more loose (split on all whitespace) than what the OP asked for. IMHO it would be simply worse -- consider the input spaces , before commas.
– Jon
Apr 27 '12 at 7:...
Use Font Awesome Icons in CSS
...classes to place a text character where you want it, without having to add all kinds of messy extra mark-up.
Be sure to set position:relative on your actual text wrapper for the positioning to work.
.mytextwithicon {
position:relative;
}
.mytextwithicon:before {
content: "\25AE"; /* t...
Error “The goal you specified requires a project to execute but there is no POM in this directory” a
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I edit my command by adding quotes for every parameter like this:
mvn install:install-file "-DgroupId=org.mozilla" "-DartifactId=jss" "-Dversion=4.2.5" "-Dpackaging=jar" "-Dfile=C:\Users\AArmijos\workspace\componentes-1.0.4\deps\jss-4.2.5.jar"
It's worked.
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How to stop an animation (cancel() does not work)
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Call clearAnimation() on whichever View you called startAnimation().
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How to exit from PostgreSQL command line utility: psql
...Tab
google.com
Quit PSQL
\q
I think veterans of the psql command line usually shorten that to just:
\q
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