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What's the difference between ASCII and Unicode?
...hat's the rational behind Unicode. Unicode doesn't contain every character from every language, but it sure contains a gigantic amount of characters (see this table).
You cannot save text to your hard drive as "Unicode". Unicode is an abstract representation of the text. You need to "encode" this ab...
Gradle to execute Java class (without modifying build.gradle)
...odify build.gradle, the classpath is hardcoded to pick up the java classes from your build.gradle java source classpath. Even when you run mvn exec:java the classpath is set to pick up the java source files in the current maven directory. In the JavaExec task, I have done the same. Change the classp...
Transactions in .net
...rst method and this method (encapsulation) does not know if will be called from a parent transaction or not.
– Eduardo Molteni
Mar 20 '09 at 14:14
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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
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An easier explanation, seems from Rasmus Lerdorf, original creator of PHP: https://bugs.php.net/bug.php?id=71454
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Groovy: what's the purpose of “def” in “def x = 0”?
In the following piece of code (taken from the Groovy Semantics Manual page ), why prefix the assignment with the keyword def ?
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“Debug only” code that should run only when “turned on”
...o anything in a release build. As the variable exists solely to be toggled from the VS execution host, and in a release build its value doesn't matter, it's pretty harmless.
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Do I set properties to nil in dealloc when using ARC?
...ially be avoided like the plague. If you can possibly remove a method call from dealloc, you should do so. This is simplified down to: don't call setters in dealloc.
– Lily Ballard
Mar 7 '12 at 21:30
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What are the differences between Rust's `String` and `str`?
...t x: &[u8] = &[b'a', b'b', b'c'];
let stack_str: &str = str::from_utf8(x).unwrap();
In summary, use String if you need owned string data (like passing strings to other threads, or building them at runtime), and use &str if you only need a view of a string.
This is identical to t...
Control the size of points in an R scatterplot?
..." and 19.
It's a filled symbol (which is probably what you want).
Aside from that, even the base graphics system in R allows a user fine-grained control over symbol size, color, and shape. E.g.,
dfx = data.frame(ev1=1:10, ev2=sample(10:99, 10), ev3=10:1)
with(dfx, symbols(x=ev1, y=ev2, circles=...
How does generic lambda work in C++14?
...d function parameters of the function call
operator template are derived from the lambda-expression’s trailing-return-type and parameter-declarationclause
by replacing each occurrence of auto in the decl-specifiers of the parameter-declaration-clause with
the name of the corresponding invent...