大约有 40,000 项符合查询结果（耗时：0.0504秒） [XML]
bash: shortest way to get n-th column of output
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But then I need to type an extra space. That's too exhausting :)
– StackedCrooked
Jun 30 '18 at 9:32
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How does #include work in C++? [duplicate]
... words it's perfectly legal for an implementation to declare the name std::string directly or indirectly when using #include <vector>).
Despite this however you are required by the language to know and tell the compiler which standard header includes which part of the standard library. This i...
What is a reasonable code coverage % for unit tests (and why)? [closed]
...00% test coverage of all the functionality I want to provide (even for the extra cool features I came with myself and which were not discussed during the meetings).
I don't care if I would have code which is not covered in tests, but I would care if I would refactor my code and end up having a diff...
How do I disable “missing docstring” warnings at a file-level in Pylint?
Pylint throws errors that some of files are missing docstrings. I try and add docstrings to each class, method and function but it seems that Pylint also checks that files should a docstring at the beginning of it. Can i disable this somehow? I would like to be notified of a docstring is missing ins...
Is it expensive to use try-catch blocks even if an exception is never thrown?
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Let's measure it, shall we?
public abstract class Benchmark {
final String name;
public Benchmark(String name) {
this.name = name;
}
abstract int run(int iterations) throws Throwable;
private BigDecimal time() {
try {
int nextI = 1;
i...
How to define “type disjunction” (union types)?
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First, declare a class with the types you wish to accept as below:
class StringOrInt[T]
object StringOrInt {
implicit object IntWitness extends StringOrInt[Int]
implicit object StringWitness extends StringOrInt[String]
}
Next, declare foo like this:
object Bar {
def foo[T: StringOrInt](x:...
Adding a directory to $LOAD_PATH (Ruby)
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Also, it's a lot harder to Google for strings like "$:" that contain only symbols.
– DSimon
Apr 19 '12 at 3:39
add a comment
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What is the list of possible values for navigator.platform as of today? [closed]
...roperty is sent by the browser and can thus be faked, just like user agent strings. Never rely on the navigator object to be completely accurate.
The definition
As far as I know there isn't a single public list of all possible `navigator.platform` values, even though the property has been around for...
How to remove all namespaces from XML with C#?
...f) and complete recursion function to work properly.
Based on interface:
string RemoveAllNamespaces(string xmlDocument);
I represent here final clean and universal C# solution for removing XML namespaces:
//Implemented based on interface, not part of algorithm
public static string RemoveAllName...
Immutable vs Mutable types
...o
x = 5.0
x += 7.0
print x # 12.0
Doesn't that "mut" x?
Well you agree strings are immutable right? But you can do the same thing.
s = 'foo'
s += 'bar'
print s # foobar
The value of the variable changes, but it changes by changing what the variable refers to. A mutable type can change that wa...