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项目管理实践教程二、源代码控制【Source Control Using VisualSVN Server ...
...2-1
点击Import，弹出下面的窗体，其中http://zt.net.henu.edu.cn 是服务器名，svn是代码仓库的根目录，StartKit是我们在上个教程中添加的一个代码库：
说明：左下角的CheckBox，在第一次签入源代码时没有用，但是，在以后你提交代码...
How is an overloaded method chosen when a parameter is the literal null value?
...("Hello methodC");
}
}
public class MyTest {
public static void fun(B Obj){
System.out.println("B Class.");
}
public static void fun(A Obj){
System.out.println("A Class.");
}
public static void main(String[] args) {
fun(null);
}
}
output...
Using String Format to show decimal up to 2 places or simple integer
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An inelegant way would be:
var my = DoFormat(123.0);
With DoFormat being something like:
public static string DoFormat( double myNumber )
{
var s = string.Format("{0:0.00}", myNumber);
if ( s.EndsWith("00") )
{
return ((int)myNumber).ToString();
...
std::function vs template
Thanks to C++11 we received the std::function family of functor wrappers. Unfortunately, I keep hearing only bad things about these new additions. The most popular is that they are horribly slow. I tested it and they truly suck in comparison with templates.
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Truncate (not round) decimal places in SQL Server
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select round(123.456, 2, 1)
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How to remove text from a string?
I've got a data-123 string.
11 Answers
11
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Validate phone number with JavaScript
...fectly. It validates that the phone number is in one of these formats:
(123) 456-7890 or 123-456-7890
26 Answers
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How to disable copy/paste from/to EditText
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I am able to disable copy-and-paste functionality with the following:
textField.setCustomSelectionActionModeCallback(new ActionMode.Callback() {
public boolean onCreateActionMode(ActionMode actionMode, Menu menu) {
return false;
}
public ...
boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...lly taken care of: boost::hash is specialized to hash a composite key as a function of the boost::hash values of its elements. Should we need to specify different hash functions for the elements of a composite key, we can explicitly do so by using the composite_key_hash utility:
struct tuned_i...
Understanding the map function
Apply function to every item of iterable and return a list of the results. If additional iterable arguments are passed, function must take that many arguments and is applied to the items from all iterables in parallel.
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