大约有 30,000 项符合查询结果（耗时：0.0457秒） [XML]
Finding the id of a parent div using Jquery
...arent of the button.
The easiest of the two is probably the closest.
var id = $("button").closest("div").prop("id");
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Get the latest record from mongodb collection
...oDB are B-Trees. Searching a B-Tree is a O(logN) operation, so even find({_id:...}) will not provide constant time, O(1) responses.
That stated, you can also sort by the _id if you are using ObjectId for you IDs. See here for details. Of course, even that is only good to the last second.
You may t...
How to pass a function as a parameter in Java? [duplicate]
...times called a SAM type), for example:
public interface MyInterface {
String doSomething(int param1, String param2);
}
then anywhere where MyInterface is used, you can substitute a lambda expression:
class MyClass {
public MyInterface myInterface = (p1, p2) -> { return p2 + p1; };
}
...
Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine
...
also i had to change connection string from using Microsoft.Jet.OLEDB.4.0 to Microsoft.ACE.OLEDB.12.0
– Spikolynn
Aug 13 '13 at 13:04
...
super() in Java
...intln(a);
System.out.println(a);
}
public static void main(String[] args)
{
new Sup1().Show();
}
}
Output:
200
200
Now check out program 2 and try to figure out the main difference.
Program 2
class Base
{
int a = 100;
}
class Sup2 extends Base
{
i...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
...ou are reading UTF-8-encoded data, so you have to decode the UTF-8-encoded String into a unicode string.
So just replace .encode with .decode, and it should work (if your .csv is UTF-8-encoded).
Nothing to be ashamed of, though. I bet 3 in 5 programmers had trouble at first understanding this, if ...
How to compare software version number using js? (only number)
...mparison would be to use Array.split to get arrays of parts from the input strings and then compare pairs of parts from the two arrays; if the parts are not equal we know which version is smaller.
There are a few of important details to keep in mind:
How should the parts in each pair be compared?...
Android - Using Custom Font
...blic class CustomFontTextView extends TextView {
private static final String sScheme =
"http://schemas.android.com/apk/res-auto";
private static final String sAttribute = "customFont";
static enum CustomFont {
ROBOTO_THIN("fonts/Roboto-Thin.ttf"),
ROBOTO_LIG...
Regex Last occurrence?
...r test needed. It changes the meaning of the the $. Standard is end of the string, with Multiline its end of the row. Because the test text in Regexr has multiple rows I need this option there.
– stema
Dec 4 '11 at 12:20
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MySQL Error 1093 - Can't specify target table for update in FROM clause
...n case certain operations are carried out, merging cannot happen. E.g. provide the derived dummy table with a LIMIT (to inifity) and the error will never occur. That's pretty hackish though and there is still the risk that future versions of MySQL will support merging queries with LIMIT after all.
...