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Are global variables in PHP considered bad practice? If so, why?
...m array ($obj, 'callbackMethod') in calls to preg_replace_callback()? (I know, I've fallen prey to this OOP pitfall...)
– grossvogel
Jul 1 '10 at 16:22
24
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Scroll to a div using jquery
...nts, like object.click().
Third, scrollTo is a plugin in jQuery. I don't know if you have the plugin installed. You can't use scrollTo() without the plugin. In this case, the functionality you desire is only 2 lines of code, so I see no reason to use the plugin.
Ok, now on to a solution.
The code...
Technically, why are processes in Erlang more efficient than OS threads?
...ns that it is much cheaper to switch context, because they only switch at known, controlled points and therefore don't have to save the entire CPU state (normal, SSE and FPU registers, address space mapping, etc.).
Erlang processes use dynamically allocated stacks, which start very small and grow as...
What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
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Ah! That makes sense! Now that I know what to look for, this can also be seen in the documentation for printf and scanf.
– Gabriel Staples
Nov 8 '18 at 19:49
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Can the Android layout folder contain subfolders?
Right now, I'm storing every XML layout file inside the 'res/layout' folder, so it is feasible and simple to manage small projects, but when there is a case of large and heavy projects, then there should be a hierarchy and sub-folders needed inside the layout folder.
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Close Window from ViewModel
...s solution violates of the MVVM pattern, because the view-model shouldn't know anything about the UI Implementation. If you want to strictly follow the MVVM programming paradigm you have to abstract the type of the view with an interface.
MVVM conform solution (Former EDIT2)
the user Crono mention...
jQuery selectors on custom data attributes using HTML5
I would like to know what selectors are available for these data attributes that come with HTML5.
4 Answers
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In Matlab, when is it optimal to use bsxfun?
...viously, this functionality was available via the bsxfun function.
It is now recommended that you replace most uses of bsxfun with direct
calls to the functions and operators that support implicit expansion.
Compared to using bsxfun, implicit expansion offers faster speed,
better memory usag...
Difference between adjustResize and adjustPan in android?
...mponents and at the same time adjustPan gave me same output.
I want to know the difference between them and when to use each component? Which one(adjustPan or adjustResize) is good for resizing UI?
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What's wrong with nullable columns in composite primary keys?
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In Oracle (I don't know about SQL Server), the table can contain many rows where all the columns in a unique constraint are null. However, if some column(s) in the unique constraint are not null and some are null then uniqueness is enforced.
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