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When to use Comparable and Comparator
...bject in question, a common practice is to use a technical or natural (database?) identifier of the object for this.
Use Comparator if you want to define an external controllable ordering behaviour, this can override the default ordering behaviour.
...
ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的kdcom.dll文件，编译的时候还需要加上WINDK=1开关。而在64位的ros上，windbg是最主要的调试方法，和x64版本的kdcom.dll有很好的兼容性。
生成更多输出
如果想要得到更多有意义的输出，有必要额外开启verbosity功能。
编译时开启ver...
How can I position my div at the bottom of its container?
...y).
The most common way of doing this is the "CSS sticky footer" approach demonstrated, or a slightly slimmer variation. This approach works great -- IF you have a fixed height footer.
If you need a variable height footer that will appear at the bottom of the window if the content is too short, an...
Loading existing .html file with android WebView
I did try samples, demos from Google codes and other resources with WebView , but when i try to do it in my own code, it doesn't work for me.
...
Programmatically obtain the Android API level of a device?
...uild.VERSION_CODES Human Version Name
1 BASE Android 1.0 (no codename)
2 BASE_1_1 Android 1.1 Petit Four
3 CUPCAKE Android 1.5 Cupcake
4 DONUT ...
Android: ProgressDialog.show() crashes with getApplicationContext
...getApplicationContext());
dialog.show();
}
});
Based on the previous answers that suggested the context was the wrong one, i changed the getApplicationContext() to retrieve the context from the View passed in to the buttons onClick method.
myButton.setOnClickListener(new...
How do I get the path and name of the file that is currently executing?
...nce between import and execfile
Original Answer:
Here is an experiment based on the answers in this thread - with Python 2.7.10 on Windows.
The stack-based ones are the only ones that seem to give reliable results. The last two have the shortest syntax, i.e. -
print os.path.abspath(inspect.sta...
Naming convention - underscore in C++ and C# variables
...ou will see all that happens in the background. Here is a snippet:
ios_base::iostate __err = ios_base::iostate(ios_base::goodbit);
try
{
__streambuf_type* __sb = this->rdbuf();
if (__sb)
{
if (__sb->pubsync() == -1)
__err |= ios_base::badbit;
else
...
How to install grunt and how to build script with it
...OTE:
You can use grunt-init for creating Gruntfile.js if you want wizard-based creation instead of raw coding for step 5.
To do so, please follow these steps:
npm install -g grunt-init
git clone https://github.com/gruntjs/grunt-init-gruntfile.git ~/.grunt-init/gruntfile
grunt-init gruntfile
F...
How to use base class's constructors and assignment operator in C++?
...
You can explicitly call constructors and assignment operators:
class Base {
//...
public:
Base(const Base&) { /*...*/ }
Base& operator=(const Base&) { /*...*/ }
};
class Derived : public Base
{
int additional_;
public:
Derived(const Derived& d)
: Base(d...