大约有 47,000 项符合查询结果（耗时：0.0389秒） [XML]
Get fully qualified class name of an object in Python
...
Here's one based on Greg Bacon's excellent answer, but with a couple of extra checks:
__module__ can be None (according to the docs), and also for a type like str it can be __builtin__ (which you might not want appearing in logs or whatever). The following checks for both those possibilities:
...
How does inline Javascript (in HTML) work?
...e with something like var foo = new Function(), where foo.name is an empty string, and foo.toString() will produce something like
function anonymous() {
}
share
|
improve this answer
|
...
Are there any side effects of returning from inside a using() statement?
... be called too.
While you certainly could take the longer route, it's two extra lines that just add cruft and extra context to keep track of (mentally). In fact, you don't really need the extra local variable - although it can be handy in terms of debugging. You could just have:
public static Tran...
Call a “local” function within module.exports from another function in module.exports?
...d answer. If you define functions outside of the exports scope, it adds an extra level of indirection, and while it can be desirable sometimes, it makes it more complicated, to refactor, e.g. rename the function, of find usage of the function, etc.
– Pierre Henry
...
What's the purpose of using braces (i.e. {}) for a single-line if or loop?
...d) (b*b) - ((4*a)*c)?
Some precedences are obvious (or should be), and the extra parentheses
just add to confusion. (On the other hand, you _should_ use the
parentheses in less obvious cases, even if you know that they're not
needed.)
Sort of. There are two wide spread conventions for formatting...
Unicode equivalents for \w and \b in Java regular expressions?
...e as an embeddable (?U) for inside the pattern, so you can use it with the String class’s wrappers, too. It also sports corrected definitions for various other properties, too. It now tracks The Unicode Standard, in both RL1.2 and RL1.2a from UTS#18: Unicode Regular Expressions. This is an excit...
MySQL JOIN the most recent row only?
...private int id;
private CustomerData currentData;
public Customer(String title, String forename, String surname)
{
this.update(title, forename, surname);
}
public void update(String title, String forename, String surname)
{
this.currentData = new CustomerDat...
How to define @Value as optional
...r example was @Value("${myValue:DEFAULT}").
You are not limited to plain strings as default values. You can use SPEL expressions, and a simple SPEL expression to return null is:
@Value("${myValue:#{null}}")
share
...
Merge 2 arrays of objects
...mplexity as @YOU's answer, except that this is much slower (largely due to extra function calls and the fact the YOU's answer exploits the JS associative arrays trick to find items with O(1) lookup). This is besides the fact that you need to bring an additional library.
– Mrch...
Remove ActiveRecord in Rails 3
...evious comment... in Rails 3.1, it is now --skip-active-record. Notice the extra dash.
– Mark Embling
Sep 3 '11 at 13:56
|
show 2 more comme...