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iPhone app signing: A valid signing identity matching this profile could not be found in your keycha
I'm pulling my hair out over this. I just downloaded the iPhone 3.0 SDK , but now I can't get my provisioning profiles to work. Here is what I have tried:
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Get the value of an instance variable given its name
...capsulation.
If you explicitly want to access an ivar, the right thing to do is to make it an accessor. Consider the following:
class Computer
def new(cpus)
@cpus = cpus
end
end
In this case, if you did Computer.new, you would be forced to use instance_variable_get to get at @cpus. But i...
Is 'float a = 3.0;' a correct statement?
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It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specifically, consider:
float foo(float x) { ...
How do I log a Python error with debug information?
...all this method in an arbitrary place you may get a bizarre exception. The docs alert about that."
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Addition for BigDecimal
I want to do some simple sums with some currency values expressed in BigDecimal type.
11 Answers
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How do I get the file name from a String containing the Absolute file path?
...able contains a file name, C:\Hello\AnotherFolder\The File Name.PDF . How do I only get the file name The File Name.PDF as a String?
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Maven: how to do parallel builds?
... be possible to build different subprojects in parallel. Is there a way to do this with maven? Is there a plugin for this / whatever?
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Detect if an input has text in it using CSS — on a page I am visiting and do not control?
... or not an input has text in it via CSS? I've tried using the :empty pseudo-class, and I've tried using [value=""] , neither of which worked. I can't seem to find a single solution to this.
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'git add --patch' to include new files?
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To do this with every new files, you can run:
git add -N .
git add -p
If you want to use it frequently, you can create an alias in your ~/.bashrc:
alias gapan='git add --intent-to-add . && git add --patch'
N.B: I...
How do you echo a 4-digit Unicode character in Bash?
...ls in Gnome show the symbols properly... The real terminals (tty1-6) still don't though.
– trusktr
Oct 3 '12 at 0:09
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