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The key must be an application-specific resource id
...don't get the pattern. i want to set two tags corresponding to say a first and last name. where do i define the integer IDs for these?
– Jeffrey Blattman
May 26 '11 at 1:04
7
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What is the C++ function to raise a number to a power?
...oesn't know which of float, double, or long double version it should take, and you would get an ambiguity error. All three would need a conversion from int to floating point, and all three are equally costly!
Therefore, be sure to have the first argument typed so it matches one of those three perf...
How to use multiple AWS Accounts from the command line?
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You should be able to use the following command-options in lieu of the EC2_PRIVATE_KEY (and even EC2_CERT) environment variables:
-K <private key>
-C <certificate>
You can put these inside aliases, e.g.
alias ec2-describe-instances1 ec2-describe-instan...
redis-py : What's the difference between StrictRedis() and Redis()?
...ind a suitable explanation of the difference between redis.StrictRedis() and redis.Redis() . Are they equivalent?
2 Answ...
What do the plus and minus signs mean in Objective-C next to a method?
In Objective-C, I would like to know what the + and - signs next to a method definition mean.
4 Answers
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Get the current year in JavaScript
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Create a new Date() object and call getFullYear():
new Date().getFullYear()
// returns the current year
Hijacking the accepted answer to provide some basic example context like a footer that always shows the current year:
<footer>
&...
Match everything except for specified strings
...en or blue anywhere in it. For that, anchor the regular expression with ^ and include .* in the negative lookahead:
^(?!.*(red|green|blue))
Also, suppose that you want lines containing the word "engine" but without any of those colors:
^(?!.*(red|green|blue)).*engine
You might think you can f...
What is the maximum length of a valid email address?
...hat is the maximum length of a valid email address? Is it defined by any standard?
6 Answers
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How to round an image with Glide library?
... The glide drawables are not BitmapDrawables. They are transitiondrawables and glidedrawables which crossfade from the placeholder to the real image. The RoundedBitmapDrawable cannot handle that.
– Greg Ennis
Apr 22 '16 at 14:31
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Converting String to Int with Swift
The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the values in the text boxes are string, I am unable to convert them to integers.
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