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Programmatically change UITextField Keyboard type
...CII characters, non-ASCII keyboards remain active
UIKeyboardTypeNumbersAndPunctuation, // Numbers and assorted punctuation.
UIKeyboardTypeURL, // A type optimized for URL entry (shows . / .com prominently).
UIKeyboardTypeNumberPad, // A number pad (0-9). ...
How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
... been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query.
11 Answers
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How to append text to an existing file in Java?
...so there are several libraries for this. Two of the most popular are Log4j and Logback.
Java 7+
If you just need to do this one time, the Files class makes this easy:
try {
Files.write(Paths.get("myfile.txt"), "the text".getBytes(), StandardOpenOption.APPEND);
}catch (IOException e) {
//e...
Chmod recursively
I have an archive, which is archived by someone else, and I want to automatically, after I download it, to change a branch of the file system within the extracted files to gain read access. (I can't change how archive is created).
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What is q=0.5 in Accept* HTTP headers?
...8, en;q=0.7
would mean: "I prefer Danish, but will accept British English and other types of English."
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Check if UIColor is dark or bright?
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do you know how to get the red , green and blue values of a color?
– Andre
Mar 24 '10 at 16:56
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What is the standard exception to throw in Java for not supported/implemented operations?
In particular, is there a standard Exception subclass used in these circumstances?
4 Answers
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Download File Using jQuery
....txt wouldn't help because it would still be stored in the browser history and intermediary servers.
– Pacerier
Mar 3 '15 at 22:40
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MySQL: selecting rows where a column is null
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SQL NULL's special, and you have to do WHERE field IS NULL, as NULL cannot be equal to anything,
including itself (ie: NULL = NULL is always false).
See Rule 3 https://en.wikipedia.org/wiki/Codd%27s_12_rules
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Convert a matrix to a 1 dimensional array
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That's a vector, and not a 1-d array.
– hadley
Sep 29 '10 at 20:35
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