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pass string parameter in an onclick function
...onclick handlers, and use something more common such as document.getElementById.
HTML:
<input type="button" id="nodeGoto" />
JavaScript:
document.getElementById("nodeGoto").addEventListener("click", function() {
gotoNode(result.name);
}, false);
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Combine Date and Time columns using python pandas
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You can also convert to datetime without string concatenation, by combining datetime and timedelta objects. Combined with pd.DataFrame.pop, you can remove the source series simultaneously:
df['DateTime'] = pd.to_datetime(df.pop('Date')) + pd.to_timedelta(df.pop('Time'))
print(df)
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How do I make a Mac Terminal pop-up/alert? Applescript?
...it's old topic, but yes, you can. :) However you need to be logged in. e.g by terminal ssh. and then invoke osascript -e 'display dialog "Hello!"'
– Alex Reds
Jun 10 '14 at 23:53
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Spring MVC: How to return image in @ResponseBody?
I'm getting image data (as byte[] ) from DB. How to return this image in @ResponseBody ?
14 Answers
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Fragment onResume() & onPause() is not called on backstack
...ck button from HomeFragment,
onViewStateRestored() will be called followed by onStart() of
LoginFragment. So eventually onResume() won't be called.
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How do I move a file with Ruby?
I want to move a file with Ruby. How do I do that?
6 Answers
6
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How to get a variable value if variable name is stored as string?
... the expression with the
flag is treated as if it were directly replaced by the parameter name.
It is an error if this nested substitution produces an array with more
than one word. For example, if ‘name=assoc’ where the parameter assoc
is an associative array, then ‘${${(P)name}[elt]}...
belongs_to through associations
...f using a proper unique constraint in your database. When you do this in ruby you have race conditions.
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Display the current time and date in an Android application
...e hint on asking questions: try to be precise, e.g.: declare what you mean by "display" in your question. And when you type in my lines - both Date and DateFormat must, of course, be imported - if there's a choice of 2 for each, the least you could try is any combination: it's just 4!
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RuntimeWarning: DateTimeField received a naive datetime
...rent there is no need to change anything in models if you use utc timezone by default, auto_now and auto_now_add will work fine for datetime fields. If you need to have timezone aware current datetime object in models for some reason - use django.utils.timezone.now() function.
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