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How can I programmatically check whether a keyboard is present in iOS app?

...take the easy way: When you enter a textField, it becomes first responder and the keyboard appears. You can check the status of the keyboard with [myTextField isFirstResponder]. If it returns YES, then the the keyboard is active. ...
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Packing NuGet projects compiled in release mode?

...modified in the project file directly (no VS GUI option). To avoid the command-line property tweak for all future nuget pack calls, edit the project file XML in your favorite text editor. – patridge Jun 30 '11 at 22:07 ...
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How to capture the browser window close event?

...ddress bar, search box, or a bookmark. You could exclude form submissions and hyperlinks (except from other frames) with the following code: var inFormOrLink; $('a').on('click', function() { inFormOrLink = true; }); $('form').on('submit', function() { inFormOrLink = true; }); $(window).on("before...
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Java: Get last element after split

I am using the String split method and I want to have the last element. The size of the Array can change. 12 Answers ...
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in javascript, how can i get the last character in a string [duplicate]

... Nice—and this is slightly faster. See jsperf.com/get-last-character-from-string – ryanve Jan 2 '12 at 1:03 ...
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Length of generator output [duplicate]

...nything similar for lazy iterables represented by generator comprehensions and functions. Of course, it is not hard to write something like: ...
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.bashrc/.profile is not loaded on new tmux session (or window) — why?

...he profile. The rules as to when bash runs certain files are complicated, and depend on the type of shell being started (login/non-login, interactive or not, and so forth), along with command line arguments and environment variables. You can see them in the man bash output, just look for INVOCATIO...
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Can an enum class be converted to the underlying type?

... I think you can use std::underlying_type to know the underlying type, and then use cast: #include <type_traits> //for std::underlying_type typedef std::underlying_type<my_fields>::type utype; utype a = static_cast<utype>(my_fields::field); With this, you don't have to ass...
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Creating a DateTime in a specific Time Zone in c#

...when the timezone changes on a machine because it has been incorrectly set and then corrected. 7 Answers ...
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How to enumerate a range of numbers starting at 1

...o do in Python 2.6 or newer: enumerate(range(2000, 2005), 1) Python 2.5 and older do not support the start parameter so instead you could create two range objects and zip them: r = xrange(2000, 2005) r2 = xrange(1, len(r) + 1) h = zip(r2, r) print h Result: [(1, 2000), (2, 2001), (3, 2002), ...