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JavaScript function order: why does it matter?
...egular variables, first foo is declared at the highest point of the scope, then it is assigned a value.
Let's see why the second example throws an error.
bar();
function bar() {
foo();
}
var foo = function() {}
//=>
var foo;
function bar() {
foo();
}
bar();
foo = function() {}
As we'v...
How to deal with IntelliJ IDEA project files under Git source control constantly changing?
...we can share build configurations, settings, and inspections. Plus, we can then use those inspection settings on our continuous integration server with TeamCity. (We have the per-user workspace .iws file in the .gitignore file and not in source control.)
...
Which, if any, C++ compilers do tail-recursion optimization?
...ptimization though and I guess that even an extern method might be inlined then.
– Konrad Rudolph
Feb 1 '10 at 9:52
5
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How can I style an Android Switch?
...ed switch just create this two selectors, set them to your Switch View and then change the seven images to your desired style.
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Retina displays, high-res background images
...of the image would be lost either way with 1.325dppi, but if you go HiDPI, then the client will simply have to wait longer for page load, will have higher power consumption resizing the image (and Nexus 7 tables are quite known for random reboots), and consume more bandwidth. So, I'd recommend stic...
Why use Abstract Base Classes in Python?
...plementing __str__ makes the same promises as inheriting from some ABC and then implementing __str__. In both cases you can break the contract; there are no provable semantics such as the ones we have in static typing.
– Muhammad Alkarouri
Aug 26 '10 at 11:05
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Use find command but exclude files in two directories
...ctories run very deep or has tons of files and you care about performance, then use the -prune option instead.
– thdoan
Feb 15 '17 at 9:20
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Why does pylint object to single character variable names?
... give it a semantic name. We're not writing stuff once on a chalkboard and then erasing it. We're writing code that might stick around for a decade or more, and be read many, many times.
Use semantic names. Semantic names I've used have been like ratio, denominator, obj_generator, path, etc. It may...
What characters are forbidden in Windows and Linux directory names?
...f your data comes from a source that would permit non-printable characters then there is more to check for.
Linux/Unix:
0 (NULL byte)
Windows:
0-31 (ASCII control characters)
Note: While it is legal under Linux/Unix file systems to create files with control characters in the filename, it mig...
Booleans, conditional operators and autoboxing
... operands is of type boolean and the type of the other is of type Boolean, then the type of the conditional expression is boolean.
Since the type of the expression is boolean, the 2nd operand must be coerced to boolean. The compiler inserts auto-unboxing code to the 2nd operand (return value of r...