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drag drop files into standard html file input
...ing works in Chrome and FF, but i've yet to find a solution that covers IE10+ as well:
// dragover and dragenter events need to have 'preventDefault' called
// in order for the 'drop' event to register.
// See: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Drag_operations#droptarge...
How to find out which fonts are referenced and which are embedded in a PDF document
...BAAAAA+Arial-Black TrueType yes yes yes 53 0
CAAAAA+Tahoma TrueType yes yes yes 28 0
DAAAAA+Wingdings-Regular TrueType yes yes yes 43 0
EAAAAA+Webdings TrueType yes yes yes ...
Does Ruby regular expression have a not match operator like “!~” in Perl?
... from the documentation page of Regexp. Nevertheless, it works:
irb(main):001:0> 'x' !~ /x/
=> false
irb(main):002:0> 'x' !~ /y/
=> true
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MySQL - Get row number on select
...
Take a look at this.
Change your query to:
SET @rank=0;
SELECT @rank:=@rank+1 AS rank, itemID, COUNT(*) as ordercount
FROM orders
GROUP BY itemID
ORDER BY ordercount DESC;
SELECT @rank;
The last select is your count.
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How to position a DIV in a specific coordinates?
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answered Jul 23 '11 at 20:01
Michael BerkowskiMichael Berkowski
246k3636 gold badges408408 silver badges359359 bronze badges
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Count cells that contain any text
...ot empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
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Set operations (union, intersection) on Swift array?
...tring> = Set(array1)
let set2:Set<String> = Set(array2)
Swift 3.0+ can do operations on sets as:
firstSet.union(secondSet)// Union of two sets
firstSet.intersection(secondSet)// Intersection of two sets
firstSet.symmetricDifference(secondSet)// exclusiveOr
Swift 2.0 can calculate on ar...
Replace all non-alphanumeric characters in a string
...ce any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go about doing this?
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Replace Default Null Values Returned From Left Outer Join
I have a Microsoft SQL Server 2008 query that returns data from three tables using a left outer join. Many times, there is no data in the second and third tables and so I get a null which I think is the default for left outer join. Is there a way to replace the default values in the select stateme...
How to read/write a boolean when implementing the Parcelable interface?
...s how I'd do it...
writeToParcel:
dest.writeByte((byte) (myBoolean ? 1 : 0)); //if myBoolean == true, byte == 1
readFromParcel:
myBoolean = in.readByte() != 0; //myBoolean == true if byte != 0
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