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Multiple lines of text in UILabel
...s of text in UILabel like in the UITextView or should I use the second one instead?
25 Answers
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How to create a MySQL hierarchical recursive query
... if the pv string would for some reason yield a falsy value.
All in all, one may find these assumptions too risky to rely on. The documentation warns:
you might get the results you expect, but this is not guaranteed [...] the order of evaluation for expressions involving user variables is und...
What is a coroutine?
...ollaborative: at any given time, a program with coroutines is running only one of its coroutines, and this running coroutine suspends its execution only when it explicitly requests to be suspended.
So the point is: Coroutines are "collaborative". Even in multi-core system, there is only one coro...
How to search through all Git and Mercurial commits in the repository for a certain string?
...lking the commit ancestry chain, walk reflog entries from
the most recent one to older ones.
So you could do this to find a particular string in a commit message that is dangling:
git log -g --grep=search_for_this
Alternatively, if you want to search the changes for a particular string, you c...
Why can't radio buttons be “readonly”?
...ript, I suddenly have two fields with the same name, so I have to clean up one of them. Or use the hidden one for real and have the radio button just set the value of the hidden field. Ether way, it's just a bit more cumbersome than I'd like a radiobutton to be. Your second solution, although I don...
Can I mix MySQL APIs in PHP?
...They are separate APIs and the resources they create are incompatible with one another.
There is a mysqli_close, though.
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String literals: Where do they go?
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There is no one answer to this. The C and C++ standards just say that string literals have static storage duration, any attempt at modifying them gives undefined behavior, and multiple string literals with the same contents may or may no...
When to use in vs ref vs out
Someone asked me the other day when they should use the parameter keyword out instead of ref . While I (I think) understand the difference between the ref and out keywords (that has been asked before ) and the best explanation seems to be that ref == in and out , what are some (hypothet...
Is it better practice to use String.format over string Concatenation in Java?
... automatically only if you are not in a loop. If the concatenation is all done on a single line it's the same as using '+', but if you use myString += "morechars"; or myString += anotherString; on multiple lines you'll notice that more than one StringBuilder might be created, so using "+" is not alw...
TDD vs. Unit testing [closed]
...was not creating any unit tests before. This feels like a nice stepping stone to full TDD.
– Walter
Nov 16 '09 at 17:01
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