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Value of type 'T' cannot be converted to

... Even though it's inside of an if block, the compiler doesn't know that T is string. Therefore, it doesn't let you cast. (For the same reason that you cannot cast DateTime to string) You need to cast to object, (which any T can cast to), and from there to string (since...
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How can I concatenate two arrays in Java?

... I found a one-line solution from the good old Apache Commons Lang library. ArrayUtils.addAll(T[], T...) Code: String[] both = ArrayUtils.addAll(first, second); share | impro...
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Ineligible Devices section appeared in Xcode 6.x.x

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What is base 64 encoding used for?

...he underlying protocol might think that you've entered a special character combination (like how FTP translates line endings). So to get around this, people encode the binary data into characters. Base64 is one of these types of encodings. Why 64? Because you can generally rely on the same 64...
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Iterate an iterator by chunks (of n) in Python? [duplicate]

... The grouper() recipe from the itertools documentation's recipes comes close to what you want: def grouper(n, iterable, fillvalue=None): "grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx" args = [iter(iterable)] * n return izip_longest(fillvalue=fillvalue, *args) It will fill u...
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Media query to detect if device is touchscreen

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Is there a way for non-root processes to bind to “privileged” ports on Linux?

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Smart way to truncate long strings

... veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id...
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How accurately should I store latitude and longitude?

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Scatterplot with marginal histograms in ggplot2

... I wouldn't recommend this solution as the plots axes usually don't align exactly. Hopefully future versions of ggplot2 will make it easier to align the axes, or even allow for custom annotations on the sides of a plot panel (like customiz...