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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
...k on iOS 6. This might only work on older versions of the OS. Evidently at least one dev has had their app rejected for using this trick (see the comments). Use at your own risk. Using an image (see answer above) might be a safer solution.
This can be done without adding in your own image files usi...
How to check if a string is a valid date
...xceptions and is deterministic. Date.valid_date? is the method to use at least for Ruby 2. ruby-doc.org/stdlib-2.0.0/libdoc/date/rdoc/…
– Ashley Raiteri
Nov 12 '13 at 5:38
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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
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Ruby doesn't have tuples (at least not forged into the language). Yeah, it's an array ("list" in Python should really be called arrays...).
– user395760
Aug 24 '10 at 7:41
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java: (String[])List.toArray() gives ClassCastException
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@Kaleb - not true. Or at least that's not the original reason. The toArray methods existed before the collection classes were generic.
– Stephen C
Apr 16 '11 at 23:38
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Java FileReader encoding issue
...most popular encoding among users in that locale." I wouldn't say that. At least of Windows. For some weird technical/historical reasons, the JVM ignores the fact that Unicode is the recommended encoding on Windows for 'all new applications' and instead always acts as if the legacy encoding configur...
C Macro definition to determine big endian or little endian machine?
...; 0x100)" won't compile into a constant, no matter how much I optimize, at least with gcc 4.5.2. It always creates executable code.
– Edward Falk
Jul 11 '12 at 20:29
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How do you specify a different port number in SQL Management Studio?
...day as I needed it ... if They use a "different" syntax, why can't they at least mention it in the right places !!
– oldbrazil
Jul 13 '12 at 17:09
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How to enable C++11 in Qt Creator?
...ult for C++11 compatibility mode is a reasonable choice. On my machine, at least according to the man page, -std=c++0x and -std=c++11 are identical.
– Ali
Sep 15 '15 at 10:38
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Virtual Memory Usage from Java under Linux, too much memory used
... to make Hello World on a 64-bit JVM claim to take over 4 gigabytes ... at least by one form of measurement.
java -Xms1024m -Xmx4096m com.example.Hello
Different Ways to Measure Memory
On Linux, the top command gives you several different numbers for memory. Here's what it says about the Hello ...
Mixins vs. Traits
...rms 'trait' and 'mixin' are used in the wild is highly inconsistent and at least one of the points here is mostly wrong. PHP and Wikipedia (and according to @Sergio, also Scala) disagree with you about traits being stateless. I don't find this answer useful because it's made up of bare assertions, a...