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How do I prompt for Yes/No/Cancel input in a Linux shell script?
...r ${yesword} / ${noword}.";;
esac
done
Obviously other communication strings remain untranslated here (Install, Answer) which would need to be addressed in a more fully completed translation, but even a partial translation would be helpful in many cases.
Finally, please check out the excellen...
What is the difference between self::$bar and static::$bar in PHP?
...you were to use return self::$name then B::getName() would return an empty string as that is what is declared in the Base class.
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What is a MIME type?
...nce the new naming convention "Internet Media Type".
A MIME type is a string identifier composed of two parts: a type and a subtype.
The "type" refers to a logical grouping of many MIME types that are closely related to each other; it's no more than a high level category.
"subtypes" are spe...
Final arguments in interface methods - what's the point?
...reason, but slightly different contexts.)
Objects:
public static void main(String[] args) {
StringBuilder cookingPot = new StringBuilder("Water ");
addVegetables(cookingPot);
addChicken(cookingPot);
System.out.println(cookingPot.toString());
// ^--- OUTPUT IS: Water Carrot Brocco...
Why JSF saves the state of UI components on server?
...lue>
</context-param>
It will then be serialized to an encrypted string in a hidden input field with the name javax.faces.ViewState of the form.
I dont understand what the benefit of keeping the UI component's state on the server side is. Isn't directly passing the validated/converted da...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...and decryption inefficient from being inherently serial. Natively encrypts strings of any bit length (no padding needed). I can identify no important advantages over CTR mode.
CTR: An IV-based encryption scheme, the mode achieves indistinguishability from random bits assuming a nonce IV. As a secur...
What does the star operator mean, in a function call?
...e for any beginning programmer. In Python, a beginner can write def printf(string_template, *args) and move on.
– IceArdor
Nov 20 '13 at 7:38
1
...
val-mutable versus var-immutable in Scala
...collection.mutable.ArrayBuffer
object MyObject {
def main(args: Array[String]) {
val a = ArrayBuffer(1,2,3,4)
silly(a)
println(a) // a has been modified here
}
def silly(a: ArrayBuffer[Int]): Unit = {
a += 10
println(s"length: ${a.length}")
...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...(out y))
y = 10;
return y;
}
static void Main(string[] args)
{
var result = N(new EvilBool());
// Prints 3!
Console.WriteLine(result);
}
}
class EvilBool
{
private bool value;
public static bool operator true(EvilBool b)
{
...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...。范例如下:
显示当前目录的内容
[root@KEDACOM ~]# ls
NRU_CMU_DISK_SIZE_NOTIFY2008 anaconda-ks.cfg install.log install.log.syslog
显示名称以“.”开头的隐藏文件
[root@KEDACOM ~]# ls -a
.bash_histor .bash_profile .cshrc .ssh NRU_CMU_DISK_SIZE_NOTIFY2008 install...