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How do I associate file types with an iPhone application?
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File type handling is new with iPhone OS 3.2, and is different than the already-existing custom URL schemes. You can register your application to handle particular document types, and any application that uses a document controller can hand off processing of the...
Running a cron every 30 seconds
...go down to sub-minute resolutions, you will need to find another way.
One possibility, though it's a bit of a kludge(a), is to have two jobs, one offset by 30 seconds:
# Need these to run on 30-sec boundaries, keep commands in sync.
* * * * * /path/to/executable param1 param2
* * * * * ...
Weak and strong property setter attributes in Objective-C
...give best answers here!!
Variable property attributes or Modifiers in iOS
01.strong (iOS4 = retain )
- it says "keep this in the heap until I don't point to it anymore"
- in other words " I'am the owner, you cannot dealloc this before aim fine with that same as retain"
- You use st...
Detecting that the browser has no mouse and is touch-only
...S know when a user plugs in a mouse/connects to a keyboard, but doesn't expose it to JavaScript.. dang!
This should lead you to the following:
Tracking the current capabilities of a given user is complex, unreliable, and of dubious merit
The idea of progressive enhancement applies quite well ...
When would I need a SecureString in .NET?
I'm trying to grok the purpose of .NET's SecureString. From MSDN:
11 Answers
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Escape double quotes in parameter
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Windows: the OS where globbing, shell expansion, and parameter unescaping is performed by the executable being invoked instead of the shell. You never know which convention, if any, the invoked executable honours.
– ...
Check if at least two out of three booleans are true
...(b || c) || (b && c);
}
It tests a and b exactly once, and c at most once.
References
JLS 15.25 Conditional Operator ? :
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How can I color Python logging output?
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@Swaroop - Those are ANSI escape codes, which you can read look up on Google, or find here: en.wikipedia.org/wiki/ANSI_escape_code, or alternatively pueblo.sourceforge.net/doc/manual/ansi_color_codes.html
– Brian M. ...
What is JavaScript garbage collection?
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Eric Lippert wrote a detailed blog post about this subject a while back (additionally comparing it to VBScript). More accurately, he wrote about JScript, which is Microsoft's own implementation of ECMAScript, although very similar to JavaScript. I would imagine...
UDP vs TCP, how much faster is it? [closed]
For general protocol message exchange, which can tolerate some packet loss. How much more efficient is UDP over TCP?
15 An...