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When should I use h:outputLink instead of h:commandLink?
When should I use an <h:outputLink> instead of an <h:commandLink> ?
2 Answers
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C++ auto keyword. Why is it magic?
...ose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assign to it!
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How can I change an element's class with JavaScript?
...Explorer prior to v10, though there is a shim to add support for it to IE8 and IE9, available from this page. It is, though, getting more and more supported.
Simple cross-browser solution
The standard JavaScript way to select an element is using document.getElementById("Id"), which is what the fol...
Git interoperability with a Mercurial Repository
I use GIT on a Mac. Enough said. I have the tools, I have the experience. And I want to continue to use it. No wars here...
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Updating address bar with new URL without hash or reloading the page
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Ah, the functionality is in WebKit and landed a few months ago <bugs.webkit.org/show_bug.cgi?id=36152>. Nice find!
– oldestlivingboy
Jul 27 '10 at 1:46
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Do I need dependency injection in NodeJS, or how to deal with …?
... with nodejs. I have programmed a lot Java EE web applications with Spring and appreciated the ease of dependency injection there.
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What's the difference between :: (double colon) and -> (arrow) in PHP?
...to access instance members).
In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static to its left. parent refers to the scope of the superclass of the class where it's used; self refers to the scope of the class where it's used; static r...
Is there a difference between “==” and “is”?
...> b == a
True
# Make a new copy of list `a` via the slice operator,
# and assign it to variable `b`
>>> b = a[:]
>>> b is a
False
>>> b == a
True
In your case, the second test only works because Python caches small integer objects, which is an implementation detail...
MySQL Multiple Joins in one query?
...want to do a LEFT OUTER JOIN which will return all your dashboard messages and an image_filename only if one exists (otherwise you'll get a null)
SELECT dashboard_data.headline, dashboard_data.message, dashboard_messages.image_id, images.filename
FROM dashboard_data
INNER JOIN dashboard_messag...
ImportError: No module named requests
...requests (or pip3 install requests for python3) if you have pip installed and Pip.exe added to the Path Environment Variable. If pip is installed but not in your path you can use python -m pip install requests (or python3 -m pip install requests for python3)
Alternatively from a cmd prompt, use &g...