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In a storyboard, how do I make a custom cell for use with multiple controllers?
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BJ Homer has given an excellent explanation of what is going on.
From a practical standpoint I'd add that, given you can't have cells as xibs AND connect segues, the best one to choose is having the cell as a xib - transitions are far easier to ...
What is the purpose of Android's tag in XML layouts?
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Excellent description.
– RichieHH
Mar 16 '14 at 0:26
4
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Batch script: how to check for admin rights
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+1 Excellent solutions. The SFC solution in particular seems to be a reliable check for all of the operating systems in question. If I come across any issues using either of these I will report them here.
–...
Is there any way to put malicious code into a regular expression?
...in recursion‐depth counter for checking non‐progression.
Russ Cox’s excellent 2007 paper on Regular Expression Matching Can Be Simple And Fast
(but is slow in Java, Perl, PHP, Python, Ruby, ...) talks about ways that most modern NFAs, which all seem to derive from Henry Spencer’s code, suf...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...* exp(0.0601 * x) = 4.12 * exp(0.0601 * x)
# (^ not so biased)
Note that Excel, LibreOffice and most scientific calculators typically use the unweighted (biased) formula for the exponential regression / trend lines. If you want your results to be compatible with these platforms, do not include the...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...ctly interpret the statements
as "splits a line into fields".
Microsoft Excel's text-to-columns tool made a similar API choice and
incorporates both splitting algorithms in the same tool.
People seem to mentally model field-splitting
as a single concept even though more than one algorithm is invo...
Declaring variables inside loops, good practice or bad practice?
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This is excellent practice.
By creating variables inside loops, you ensure their scope is restricted to inside the loop. It cannot be referenced nor called outside of the loop.
This way:
If the name of the variable is a bit "gene...
kernel stack and user space stack
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Excellent answers FrankH. Thanks.
– kumar
Jul 8 '13 at 15:25
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Manually raising (throwing) an exception in Python
...a bare Exception is absolutely not the right thing to do; see Aaron Hall's excellent answer instead.
Can't get much more pythonic than this:
raise Exception("I know python!")
See the raise statement docs for python if you'd like more info.
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...ite being mathematically much 'purer'. He couldn't explain why id's was so excellent iirc.
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