大约有 47,000 项符合查询结果(耗时:0.0592秒) [XML]
Getting the last element of a list
...
some_list[-1] is the shortest and most Pythonic.
In fact, you can do much more with this syntax. The some_list[-n] syntax gets the nth-to-last element. So some_list[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way down t...
What's the difference between deadlock and livelock?
... explain with examples (of code) what is the difference between deadlock and livelock ?
7 Answers
...
Calling Python in Java?
... default')\nimport yourModule");
// execute a function that takes a string and returns a string
PyObject someFunc = interpreter.get("funcName");
PyObject result = someFunc.__call__(new PyString("Test!"));
String realResult = (String) result.__tojava__(String.class);
...
Difference between float and decimal data type
What difference does it make when I use float and decimal data types in MySQL?.
12 Answers
...
Should I be using object literals or constructor functions?
...If you want to add behaviour to your object, you can go with a constructor and add methods to the object during construction or give your class a prototype.
function MyData(foo, bar) {
this.foo = foo;
this.bar = bar;
this.verify = function () {
return this.foo === this.bar;
...
Django: Get an object form the DB, or 'None' if nothing matches
...orks exactly as it suppose to. It returns the first object in query result and doesn't cares if multiple results are found. If you need to check for multiple objects returned you should use .get() instead.
– Cesar Canassa
Mar 13 '14 at 15:03
...
How can I strip first and last double quotes?
...
If the quotes you want to strip are always going to be "first and last" as you said, then you could simply use:
string = string[1:-1]
share
|
improve this answer
|
...
Getter and Setter declaration in .NET [duplicate]
...s wondering what were the differences between those declaration of getters and setters and if there is a preferred method (and why). The first one can be generated automaticly by Visual Studio. How about the others ? Thanks
...
Implications of foldr vs. foldl (or foldl')
...rstly, Real World Haskell , which I am reading, says to never use foldl and instead use foldl' . So I trust it.
7 Ans...
How do I check if a number evaluates to infinity?
...lert(x === Infinity); displays "true". (Admittedly that's an obscure case, and anyone who decides to redefine Infinity, NaN etc should expect odd things to happen.)
– LukeH
Jan 18 '11 at 13:49
...