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How can I create a temp file with a specific extension with .NET?
...ent to the odds of
creating a few tens of trillions of
UUIDs in a year and having one
duplicate. In other words, only after
generating 1 billion UUIDs every
second for the next 100 years, the
probability of creating just one
duplicate would be about 50%. The
probability of one duplic...
how to get html content from a webview?
... html code from a webview?
I have tried several methods from stackoverflow and google, but can't find an exact method. Please mention an exact way.
...
How to sort a HashMap in Java [duplicate]
... into a HashMap<TreeSet<Person>>, though the semantics of sets and lists are a bit different.
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Fundamental difference between Hashing and Encryption algorithms
...Interviewer wanted the below answer.
Hashing is one way . You can not get convert your data/ string from a hash code.
Encryption is 2 way - you can decrypt again the encrypted string if you have the key with you.
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What's the difference between assignment operator and copy constructor?
I don't understand the difference between assignment constructor and copy constructor in C++. It is like this:
8 Answers
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How can I validate a string to only allow alphanumeric characters in it?
...n use LINQ:
if (yourText.All(char.IsLetterOrDigit))
{
//just letters and digits.
}
yourText.All will stop execute and return false the first time char.IsLetterOrDigit reports false since the contract of All cannot be fulfilled then.
Note! this answer do not strictly check alphanumerics (whi...
解决：CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...响应函数中进一步用GetCheck检查，发现对话框在第一次OnPaint的时候
，树控件根节点的check状态还是选中的，但紧接着下个消息来到后，它的状态就发生了改变。我
思来想去肯定是树控件本身的问题。可能是它第一次画自己的时...
Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Vector等引用着。
例:
Static Vector v = new Vector(10);
for (int i = 1; i<100; i++)
{
Object o = new Object();
v.add(o);
o = null;
}
在这个例子中，循环申请Object 对象，并将所申请的对象放入一个Vector 中，如果仅仅释放引用本身（o=null...
Disable ScrollView Programmatically?
I would like to enable ScrollView and disable it by a Button Click.
Disable means like if the ScrollView wasn't there.. and enable it returns the ScrollView.
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Is there a limit to the length of a GET request? [duplicate]
... place any a priori limit on the length of
a URI. Servers MUST be able to handle the URI of any resource they
serve, and SHOULD be able to handle URIs of unbounded length if they
provide GET-based forms that could generate such URIs. A server
SHOULD return 414 (Request-URI Too Long) status if a URI ...