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Test if something is not undefined in JavaScript
I'm checking if(response[0].title !== undefined) , but I get the error:
11 Answers
11...
stash@{1} is ambiguous?
I'm trying to get info about my stash, but git is telling me that stash@{0} and stash@{1} are ambiguous. git stash list works fine, and .git/logs/refs/stash seems to have the appropriate content (not that I'm an expert on git internals).
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MongoDB: How to query for records where field is null or not set?
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edited Aug 31 '16 at 0:31
answered May 14 '12 at 21:55
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Convert a RGB Color Value to a Hexadecimal String
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205
You can use
String hex = String.format("#%02x%02x%02x", r, g, b);
Use capital X's if you ...
Determine distance from the top of a div to top of window with javascript
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answered Mar 26 '12 at 22:05
JasperJasper
73.4k1212 gold badges142142 silver badges141141 bronze badges
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Reference alias (calculated in SELECT) in WHERE clause
... - CreditTotal) AS BalanceDue
FROM Invoices
) AS x
WHERE BalanceDue > 0;
Or just repeat the expression:
SELECT (InvoiceTotal - PaymentTotal - CreditTotal) AS BalanceDue
FROM Invoices
WHERE (InvoiceTotal - PaymentTotal - CreditTotal) > 0;
I prefer the latter. If the expression is extre...
Which version of MVC am I using?
...ome reason, feeling a little dumb. How do I know? I'm using .net 4 with VS2010.
9 Answers
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convert from Color to brush
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edited Jan 15 '14 at 11:50
user2140173
answered Apr 12 '11 at 20:16
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Can I multiply strings in Java to repeat sequences? [duplicate]
...es is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this does is create an empty string containing n number of 0x00 characters, and the built-in String#repla...
UIView frame, bounds and center
... among the previous properties:
frame.origin = center - (bounds.size / 2.0)
center = frame.origin + (bounds.size / 2.0)
frame.size = bounds.size
NOTE: These relationships do not apply if views are rotated. For further info, I will suggest you take a look at the following image taken from The Kit...