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Is it a good idea to index datetime field in mysql?
...ost of my queries use datetime clause to select data. Is it a good idea to index datetime fields in mysql database?
2 Answe...
Get selected value in dropdown list using JavaScript
... = document.getElementById("ddlViewBy");
var strUser = e.options[e.selectedIndex].value;
Would make strUser be 2. If what you actually want is test2, then do this:
var e = document.getElementById("ddlViewBy");
var strUser = e.options[e.selectedIndex].text;
Which would make strUser be test2
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How can I represent an 'Enum' in Python?
...))). Then my_enum can be used in look-up, e.g., my_enum['Item0'] can be an index into a sequence. You might want to wrap the result of str.split in a function that throws an exception if there are any duplicates.
– Ana Nimbus
Jun 2 '18 at 3:51
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Iterator Loop vs index loop [duplicate]
...it's only one out of four distinct ways to iterate over a std::vector:
1) index-based iteration
for (std::size_t i = 0; i != v.size(); ++i) {
// access element as v[i]
// any code including continue, break, return
}
Advantages: familiar to anyone familiar with C-style code, can loop usi...
How do I auto-submit an upload form when a file is selected?
I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.
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What characters are allowed in an email address?
... not appear consecutively unless quoted (e.g. John..Doe@example.com is not allowed but "John..Doe"@example.com is allowed);
space and "(),:;<>@[\] characters are allowed with restrictions (they are only allowed inside a quoted string, as described in the paragraph below, and in addition, a b...
How to recover stashed uncommitted changes
...you wanted to extract it somewhere else (in a different branch), or with --index, or some such, that's not so easy. If you apply, you get to choose when to drop.
It's all pretty minor one way or the other though, and for a newbie to git, it should be about the same. (And you can skip all the rest...
Remove the last character from a string [duplicate]
...
really great!, at least for me... i am too searching for this..and found it here... thanks +1
– Mohammed Sufian
Jan 24 '14 at 21:45
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Validating with an XML schema in Python
...
As for "pure python" solutions: the package index lists:
pyxsd, the description says it uses xml.etree.cElementTree, which is not "pure python" (but included in stdlib), but source code indicates that it falls back to xml.etree.ElementTree, so this would count as pur...
When to use setAttribute vs .attribute= in JavaScript?
... property attributes that returns a live NamedNodeMap of Attr objects. The indexes of this collection may be different among browsers. So, the order is not guaranteed. NamedNodeMap has methods for adding and removing attributes (getNamedItem and setNamedItem, respectively).
Notice that though XML i...