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Why split the tag when writing it with document.write()?
Why do some sites (or advertisers that give clients javascript code) employ a technique of splitting the <script> and/or </script> tags up within document.write() calls?
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Hadoop “Unable to load native-hadoop library for your platform” warning
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I assume you're running Hadoop on 64bit CentOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit.
Anyway, it's just a warning, and won't impact Hadoop's functionalities.
He...
Find full path of the Python interpreter?
... do I find the full path of the currently running Python interpreter from within the currently executing Python script?
3 A...
What does the 'b' character do in front of a string literal?
...on 2.x documentation:
A prefix of 'b' or 'B' is ignored in
Python 2; it indicates that the
literal should become a bytes literal
in Python 3 (e.g. when code is
automatically converted with 2to3). A
'u' or 'b' prefix may be followed by
an 'r' prefix.
The Python 3 documentation state...
addEventListener vs onclick
...r implement javascript differently from pretty much every other browser. With versions less than 9, you use the attachEvent[doc] method, like this:
element.attachEvent('onclick', function() { /* do stuff here*/ });
In most other browsers (including IE 9 and above), you use addEventListener[doc]...
nonlocal keyword in Python 2.x
...ement a closure in Python 2.6 and I need to access a nonlocal variable but it seems like this keyword is not available in python 2.x. How should one access nonlocal variables in closures in these versions of python?
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Unique Constraint in Entity Framework Code First
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As far as I can tell, there's no way to do this with Entity Framework at the moment. However, this isn't just a problem with unique constraints... you may want to create indexes, check constraints, and possibly triggers and other constructs too. Here's a simple pattern yo...
Retrieve database or any other file from the Internal Storage using run-as
...ate to the data folder containing the database using the run-as command with my package name. Most files types I am content with just viewing, but with the database I would like to pull if from the android device.
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CreateWindow()动态创建一个EditBox - C/C++ - 清泛网 - 专注C/C++及内核技术
CreateWindow()动态创建一个EditBox在Win32代码或MFC代码中动态创建一个EditBox：在OnInitDialog()函数中： 创建EditBox HWND m_wndEdit = CreateWindow(_T("EDI...在Win32代码或MFC代码中动态创建一个EditBox：
在OnInitDialog()函数中：
// 创建Edit...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...
...std;
class Base {
public:
Base() {};
virtual ~Base() {}; // make it polymorphic
};
template<class T>
class Derived: public Base {
T _val;
public:
Derived() {}
Derived(T val): _val(val) {}
T raw() {return _val;}
};
int main()
{
Base * b = new Derived<int>(1);
De...