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Blank HTML SELECT without blank item in dropdown list
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Actually IE 11 does display the "hidden" option.
– Edward Olamisan
Oct 15 '13 at 18:47
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Default value of BOOL
...nce variables of Objective-C objects are always set to 0 (or nil) when you allocate an object" and I cannot find any other, clearer, reference, so it's all a bit contradictory to me.
– Kristof Van Landschoot
Sep 9 '13 at 8:47
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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...ON DUPLICATE KEY UPDATE.
If you use INSERT IGNORE, then the row won't actually be inserted if it results in a duplicate key. But the statement won't generate an error. It generates a warning instead. These cases include:
Inserting a duplicate key in columns with PRIMARY KEY or UNIQUE constrain...
Select Last Row in the Table
...cending.
As an example, if you have a time stamp when the upload was done called upload_time, you'd do something like this;
For Pre-Laravel 4
return DB::table('files')->order_by('upload_time', 'desc')->first();
For Laravel 4 and onwards
return DB::table('files')->orderBy('upload_time',...
What is the proper way to check if a string is empty in Perl?
... situation where you haven't already guarded against undef, then the catch-all for "non-empty" that won't warn is if (defined $str and length $str).
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Create an instance of a class from a string
...of a class based on the fact I know the name of the class at runtime. Basically I would have the name of the class in a string.
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NSLog/printf specifier for NSInteger?
... z and t modifiers to handle NSInteger and NSUInteger without warnings, on all architectures.
You want to use %zd for signed, %tu for unsigned, and %tx for hex.
This information comes courtesy of Greg Parker.
Original answer:
The official recommended approach is to use %ld as your specifier, a...
CSS text-overflow: ellipsis; not working?
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Note: white-space: nowrap is actually not necessary. We can still see the ellipses even without it. For multiple lines text-overflow, see this SO
– gfaceless
Jul 9 '15 at 10:38
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How to test if list element exists?
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This is actually a bit trickier than you'd think. Since a list can actually (with some effort) contain NULL elements, it might not be enough to check is.null(foo$a). A more stringent test might be to check that the name is actually defin...
HTML/Javascript change div content
...L rather than innerText and textContent because innerHTML is compatible to all browsers.
– Minh Triet
Jun 26 '13 at 1:59
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