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How do I break out of a loop in Scala?
...although they act looplike, it's hard to come up with a consistent way to know what "break" and the like should do. So, to be consistent, the wiser thing to do is not to have a "break" at all.
Note: There are functional equivalents of all of these where you return the value of sum rather than muta...
What is an idempotent operation?
...e HTTP itself) of why PUT can be resent without worries while POST cannot. Now it appears that we are simply required to conform to the HTTP standards and the behaviour is totally based on how the server is implemented
– mangusta
Feb 22 at 6:11
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How does “make” app know default target to build if no target is specified?
...s to the top of your make file:
.DEFAULT_GOAL := mytarget
mytarget will now be the target that is run if "make" is executed and no target is specified.
If you have an older version of make (<= 3.80), this won't work. If this is the case, then you can do what anon mentions, simply add this to ...
How do you turn off auto-capitalisation in HTML form fields in iOS?
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I think this is a bit outdated now. When I do type="email" on iOS 5, autocapitalize is disabled.
– Abhi Beckert
Mar 2 '12 at 22:02
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Get type of a generic parameter in Java with reflection
...mation with our type parameters in the new ParameterizedType instance. So now we can access concrete types for our generics.
Line 6 gets the array of types mapped into our generics, in order as declared in the class code. For this example we pull out the first parameter. This comes back as a Typ...
How to set limits for axes in ggplot2 R plots?
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there's also now library(scales); ... + scale_x_continuous(limits = c(-5000, 5000), oob=squish) (the default is oob=censor); see ?squish, ?censor: groups.google.com/forum/#!topic/ggplot2/AsJ6xpmR9tU
– Ben Bolker
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Resize a large bitmap file to scaled output file on Android
I have a large bitmap (say 3888x2592) in a file. Now, I want to resize that bitmap to 800x533 and save it to another file.
I normally would scale the bitmap by calling Bitmap.createBitmap method but it needs a source bitmap as the first argument, which I can't provide because loading the original ...
Converting ISO 8601-compliant String to java.util.Date
...eed a Date object.
You could probably use Joda-Time as well, but I don't know why you should bother with that.
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What is the purpose of using -pedantic in GCC/G++ compiler?
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-pedantic causes the compiler to actually comply to the C standard; so now it will produce a diagnostic message, as is required by the standard:
gcc -c -pedantic -std=c90 pedantic_test.c
pedantic_test.c:2:9: warning: ISO C forbids zero-size array ‘zero_size_array’ [-Wpedantic]
int zero...
Placement of the asterisk in pointer declarations
...rogrammers I've worked with seem to stick to this.
A bit of an aside I know, but something I found useful is to read declarations backwards.
int* test; // test is a pointer to an int
This starts to work very well, especially when you start declaring const pointers and it gets tricky to know ...