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Selectors in Objective-C?
...tifier that replaces the name when the source code is compiled. A selector by itself doesn’t do anything. It simply identifies a method. The only thing that makes the selector method name different from a plain string is that the compiler makes sure that selectors are unique. What makes a selector...
How do I encode/decode HTML entities in Ruby?
...d my problem over on How can I render XML character entity references in Ruby? as well!
– Josh Glover
Mar 11 '11 at 9:41
4
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How to show android checkbox at right side?
By default android checkbox shows
text at right side and checkbox at left
I want to show checkbox at right side with text at left
...
In Bash, how to add “Are you sure [Y/n]” to any command or alias?
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Confirmations are easily bypassed with carriage returns, and I find it useful to continually prompt for valid input.
Here's a function to make this easy. "invalid input" appears in red if Y|N is not received, and the user is prompted again.
prompt_...
Regular expression for matching latitude/longitude coordinates?
... I changed this to get just that lat lon in the capturing groups by using the ?: non capturing group syntax, as well as capture polarity (^[-+]?(?:[1-8]?\d(?:\.\d+)?|90(?:\.0+)?)),\s*([-+]?(?:180(?:\.0+)?|(?:(?:1[0-7]\d)|(?:[1-9]?\d))(?:\.\d+)?))$
– narthur157
...
System.Net.WebException HTTP status code
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By using the null-conditional operator (?.) you can get the HTTP status code with a single line of code:
HttpStatusCode? status = (ex.Response as HttpWebResponse)?.StatusCode;
The variable status will contain the HttpStat...
How can I check if my python object is a number? [duplicate]
...so many cases where a custom class needs to behave one way when multiplied by a number and a different way when multiplied by an instance of itself. You might implement a matrix class in such a way.
– Nerdmaster
Feb 4 '12 at 14:06
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Override body style for content in an iframe
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What do you mean by 'direct access'? The page in the iframe is from my site, its all one domain.
– jd6699
Jun 27 '11 at 15:02
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Comparing date ranges
.../06/1983 = IN LIST
However, this period does not contain nor is contained by any of the periods in your table (not list!) of periods. It does, however, overlap the period 10/06/1983 to 14/06/1983.
You may find the Snodgrass book (http://www.cs.arizona.edu/people/rts/tdbbook.pdf) useful: it pre-dat...
Converting string to title case
... when all chars are upper-cased.
Though I like the util function provided by Winston Smith, let me provide the function I'm currently using:
public static String TitleCaseString(String s)
{
if (s == null) return s;
String[] words = s.Split(' ');
for (int i = 0; i < words.Length; i+...