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Trigger a button click with JavaScript on the Enter key in a text box
... was pretty much synonymous with JS back when this answer was posted. But now a lot of us who avoid jQuery altogether (because it's just a waste of kb when you're using something like React) feel annoyed when we search for answers to JS questions and often the first thing that comes up is a library...
Get name of caller function in PHP?
...backtrace();
$caller = $trace[1];
echo "Called by {$caller['function']}";
if (isset($caller['class']))
echo " in {$caller['class']}";
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What's the point of map in Haskell, when there is fmap?
...feel the need for a map function? Couldn't it just be what is currently known as fmap and fmap could be removed from the language?
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I want to copy table contained from one database and insert onto another database table
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MySQL can now store table data in individual files (and the frm files are too per table). This approach would no doubt work, but with huge databases it is slow. Is there another way maybe?
– Alex Kovshovik
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What is the type of lambda when deduced with “auto” in C++11?
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The type of a lambda expression is unspecified.
But they are generally mere syntactic sugar for functors. A lambda is translated directly into a functor. Anything inside the [] are turned into constructor parameters and members of the functor object, and the param...
Get content uri from file path in android
...IM/Camera/VID_20140312_171146.mp4 But what i was looking for is something different. I need the content:// format URI. The answer from Jinal seems to work perfect
– Ajith Memana
Mar 12 '14 at 11:56
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Python: most idiomatic way to convert None to empty string?
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If you actually want your function to behave like the str() built-in, but return an empty string when the argument is None, do this:
def xstr(s):
if s is None:
return ''
return str(s)
...
“x not in y” or “not x in y”
... IronPython are free to ignore or copy (it is not part of the language specification).
– Martijn Pieters♦
Jul 15 '13 at 17:44
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UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
... still possible:
realMap.put("E", "F");
// The change in the "realMap" is now also visible
// in the "unmodifiableMap". So the unmodifiableMap
// has changed after it has been created.
unmodifiableMap.get("E"); // Will return "F".
In contrast to that, the ImmutableMap of Guava is really immutabl...
PHP: If internet explorer 6, 7, 8 , or 9
I want to do a conditional in PHP for the different versions of Internet Explorer along the lines of:
17 Answers
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