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Remove empty elements from an array in Javascript
...d on what you consider to be "empty" for example, if you were dealing with strings, the above function wouldn't remove elements that are an empty string.
One typical pattern that I see often used is to remove elements that are falsy, which include an empty string "", 0, NaN, null, undefined, and fa...
ie8 var w= window.open() - “Message: Invalid argument.”
... The MSDN documentation page you linked to states "Optional. String that specifies the name of the window. ", that sounds to me like you should be able to any keyword besides the the arguments you listed above.
– James McMahon
Dec 13 '11 at 19:36
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HTTP headers in Websockets client API
...sses this ticket during WebSocket connection setup either in the URL/query string, in the protocol field, or required as the first message after the connection is established. The server then only allows the connection to continue if the ticket is valid (exists, has not been already used, client IP ...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
... json.dumps(), then encode the value to UTF-8 manually:
>>> json_string = json.dumps("ברי צקלה", ensure_ascii=False).encode('utf8')
>>> json_string
b'"\xd7\x91\xd7\xa8\xd7\x99 \xd7\xa6\xd7\xa7\xd7\x9c\xd7\x94"'
>>> print(json_string.decode())
"ברי צקלה"
If...
Why is Scala's immutable Set not covariant in its type?
...inference is good enough to figure out that you want CharSequences and not Strings in some situations. In particular, the following works for me in 2.7.3:
import scala.collections.immutable._
def findCharSequences(): Set[CharSequence] = Set("Hello", "World")
As to how to create immutable.HashSets...
How do I call setattr() on the current module?
...iginal question is asking how to set an attribute whose name is given by a string (the same thing I was presently searching for), so this would not help.
– Curt
Feb 10 '16 at 5:22
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jquery selector for id starts with specific text [duplicate]
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Use jquery starts with attribute selector
$('[id^=editDialog]')
Alternative solution - 1 (highly recommended)
A cleaner solution is to add a common class to each of the divs & use
$('.commonClass').
But you can use the first one if html markup is not in your ...
MySQL, update multiple tables with one query
... In case, we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
UPDATE Books, Orders
SET Orders.Quantity = Orders.Quantity + 2,
Books.InStock ...
'too many values to unpack', iterating over a dict. key=>string, value=>list
I am getting the 'too many values to unpack' error. Any idea how I can fix this?
8 Answers
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Accessing bash command line args $@ vs $*
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$@ is same as $*, but each parameter is a quoted string, that is, the parameters are passed on intact, without interpretation or expansion. This means, among other things, that each parameter in the argument list is seen as a separate word.
Of course, "$@" should be quoted...