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php 遍历目录批量转换文件编码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e file being modified
echo $fileName . "---form---";
// Convert the contents
echo $encode = mb_detect_encoding($res, array("ASCII", "UTF-8", "GB2312", "GBK"));
echo "---to---UTF-8!\n";
$res = iconv($encode, "UTF-8", $res);
// Write back out to ...
How To Get IPython Notebook To Run Python 3?
.... If you have any notebooks saved with python 2 then it will automatically convert them to Python 3 once you open the notebook.
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Difference between Static and final?
...er or an assignment statement. It does not need to be initialized at the point of declaration: this is called a blank final variable. A blank final instance variable of a class must be definitely assigned at the end of every constructor of the class in which it is declared; similarly, a blank final ...
Swift: declare an empty dictionary
...able). You can declare an empty dictionary as a let (constant) but it is pointless if you have the intention of changing its contents over time, since constant can't be changed after it has been initialized.
Old answer:
Creating an empty dictionary of type <String, String> would look as fo...
How can I sort generic list DESC and ASC?
... @onedaywhen When the author made a mistake in writing out what they intended, changing it to be what they intended to write is fine. Changing code form what someone else thought the solution should be to using a different approach that you feel should be used instead is not an appropriate ed...
Same Navigation Drawer in different Activities
...
public void onItemClick(AdapterView<?> arg0, View arg1, int pos, long arg3) {
map.drawerClickEvent(pos);
}
});
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (drawerToggle.onOptionsItemSelected(item)) ...
Hide Utility Class Constructor : Utility classes should not have a public or default constructor
...es
// class is final and the constructor is private
public static int myUtilityMethod(int x) {
return x * x;
}
}
you can call this using
int y = MyUtils.myUtilityMethod(5); // returns 25.
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Why can't I have abstract static methods in C#?
I've been working with providers a fair bit lately, and I came across an interesting situation where I wanted to have an abstract class that had an abstract static method. I read a few posts on the topic, and it sort of made sense, but is there a nice clear explanation?
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Why is super.super.method(); not allowed in Java?
...ess shadowed variables from superclasses of superclasses by casting this:
interface I { int x = 0; }
class T1 implements I { int x = 1; }
class T2 extends T1 { int x = 2; }
class T3 extends T2 {
int x = 3;
void test() {
System.out.println("x=\t\t" + x);
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Best way to make Java's modulus behave like it should with negative numbers?
...a % b + b) would become larger than b. Therefore, (a % b + b) % b turns it into smaller than b again (and doesn't affect negative a values).
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