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Proper way to exit iPhone application?
I am programming an iPhone app, and I need to force it to exit due to certain user actions. After cleaning up memory the app allocated, what's the appropriate method to call to terminate the application?
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Make Vim show ALL white spaces as a character
...ething else, is then, really, a plain old whitespace.
As usual, to understand how listchars works, use the help. It provides great information about what chars can be displayed (like trailing space, for instance) and how to do it:
:help listchars
It might be helpful to add a toggle to it so you ...
How to sort a Ruby Hash by number value?
... results, since it would not sort by string value... You should reverse a1 and a2 in your example
Best way in any case (as per Mladen) is:
metrics = {"sitea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com",...
使用 XML 和 Web 服务 · App Inventor 2 中文网
... XML 和 Web 服务
The Web.XMLTextDecode takes a given XML text string and decodes it to produce a list. If the text is not well-formed XML, it will signal an error and return the empty list.
The list returned by XMLTextDecode contains one pair for each top-level tag-delimited structure in the ...
Static Block in Java [duplicate]
I was looking over some code the other day and I came across:
7 Answers
7
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Is it possible to disable scrolling on a ViewPager
...antiates a View . I'd like to disable both the scrolling of the viewpager and the child buttons momentarily while a search result is returned to the view. I've calling viewPager.setEnabled(false) but this doesn't disable it.
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How to cast/convert pointer to reference in C++
...pr 16 '12 at 10:53
David HeffernanDavid Heffernan
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Is \d not supported by grep's basic expressions?
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grep's default mode is (iirc) POSIX regex, and \d is pcre. You can either pass -P to gnu grep, for perl-like regexps, or use [[:digit:]] instead of \d.
daenyth@Bragi ~ $ echo 1 | grep -P '\d'
1
daenyth@Bragi ~ $ echo 1 | grep '[[:digit:]]'
1
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Base64: What is the worst possible increase in space usage?
If a server received a base64 string and wanted to check it's length before converting,, say it wanted to always permit the final byte array to be 16KB. How big could a 16KB byte array possibly become when converted to a Base64 string (assuming one byte per character)?
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Show Image View from file path?
...This kind of path is needed only when your images are stored in SD-Card .
And try the below code to set Bitmap images from a file stored inside a SD-Card .
File imgFile = new File("/sdcard/Images/test_image.jpg");
if(imgFile.exists()){
Bitmap myBitmap = BitmapFactory.decodeFile(imgFile.getA...