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Detect rotation of Android phone in the browser with JavaScript
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Just to clarify: Those looking for a solution that also works on iOS should look at two-bit-fool's or my answer.
– mklement0
Dec 10 '12 at 16:39
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Join strings with a delimiter only if strings are not null or empty
This feels like it should be simple, so sorry if I'm missing something here, but I'm trying to find a simple way to concatenate only non-null or non-empty strings.
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NSDictionary - Need to check whether dictionary contains key-value pair or not
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Just ask it for the objectForKey:@"b". If it returns nil, no object is set at that key.
if ([xyz objectForKey:@"b"]) {
NSLog(@"There's an object set for key @\"b\"!");
} else {
NSLog(@"No object set for key @\"b\"");
}
Edit: As to your edited second que...
Truncate Two decimal places without rounding
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That makes me wonder whether it should be possible to specify rounding direction in floating point literals. Hmmmm.
– Steve314
Jun 29 '10 at 18:53
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Convert a byte array to integer in Java and vice versa
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Is it too expensive if the byte array contains only 1 or 2 integer? Not sure about the cost constructing a ByteBuffer.
– Meow Cat 2012
Mar 2 '19 at 3:01
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What is the best way to iterate over a dictionary?
I've seen a few different ways to iterate over a dictionary in C#. Is there a standard way?
30 Answers
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How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
...n use tr to convert from DOS to Unix; however, you can only do this safely if CR appears in your file only as the first byte of a CRLF byte pair. This is usually the case. You then use:
tr -d '\015' <DOS-file >UNIX-file
Note that the name DOS-file is different from the name UNIX-file; if ...
HTML anchor link - href and onclick both?
...n is processed or not - returning false means that it isn't processed, but if you return true then the browser will proceed to process it after your function returns and go to the proper anchor.
share
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CSS - Expand float child DIV height to parent's height
...'re not floating everything - so that's defined at the cost of not scaling if ever the right column grows longer than the left (which indeed is not the case in the OP's question).
– Eamon Nerbonne
Jan 26 '11 at 14:08
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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
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I guess that it is because a keyword argument is essentially different than a variable assignment.
For example, there is plenty of code like this:
kw1 = some_value
kw2 = some_value
kw3 = some_value
some_func(
1,
2,
kw1=kw1,
kw2=kw2,
kw3=kw3)
As you see, it makes com...