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Can I apply the required attribute to fields in HTML5?
...value="" on the first entry - if there is no value attribute or a value on all options the required fail to trigger because the select returns an actual value
– mplungjan
May 18 '11 at 18:39
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Xcode 4: create IPA file instead of .xcarchive
... your build produces more than a single target: say, an app and a library. All of them end up in the build products folder and Xcode gets naïvely confused about how to package them both into an .ipa file, so it merely disables the option.
A way to solve this is as follows: go through build setting...
How to escape double quotes in JSON
.../publications/files/ECMA-ST/ECMA-404.pdf (Par. 9 - Strings) where it says: All characters may be placed within the quotation marks except for the characters that must be escaped and then it specifies: \" represents the quotation mark character (U+0022)
– mastazi
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Xcode debugger doesn't print objects and shows nil, when they aren't
...ation". Here set "Debug". If it was on "Release" that's the matter you saw all nils).
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Get person's age in Ruby
... of someone born on the 29th February on a leap year. This is because the call to birthday.to_date.change(:year => now.year) creates an invalid date.
I used the following code instead:
require 'date'
def age(dob)
now = Time.now.utc.to_date
now.year - dob.year - ((now.month > dob.month |...
python date of the previous month
... cases. I've updated my answer below using try - except which accounts for all cases, although a I hate using exceptions as part of an algorithm.
– Thane Plummer
Jul 16 '15 at 18:40
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iPhone SDK: what is the difference between loadView and viewDidLoad?
...in -loadView. Only set it, don't get it.
The self.view property accessor calls -loadView if the view isn't currently loaded. There's your infinite recursion.
The usual way to build the view programmatically in -loadView, as demonstrated in Apple's pre-Interface-Builder examples, is more like this:...
How to get a list of MySQL views?
I'm looking for a way to list all views in a database.
9 Answers
9
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How to delete from a text file, all lines that contain a specific string?
How would I use sed to delete all lines in a text file that contain a specific string?
17 Answers
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How do I switch between the header and implementation file in Xcode 4?
...de window...
that's the critical tip to ensure it works. Click anywhere at all on the actual code. (If you're active in one of the other many panes of Xcode, the keystroke combo has no, or different, meaning(s).)
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