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How To: Best way to draw table in console app (C#)
I have an interesting question.
Imagine I have a lot of data changing in very fast intervals.
I want to display that data as a table in console app. f.ex:
...
What are the differences between a multidimensional array and an array of arrays in C#?
... always slower.
Consider the following methods:
static void SetElementAt(int[][] array, int i, int j, int value)
{
array[i][j] = value;
}
static void SetElementAt(int[,] array, int i, int j, int value)
{
array[i, j] = value;
}
Their IL will be the following:
.method private hidebysig s...
What limits does scala place on the “acceptable complexity” of inferred types?
... -> (1 to 10), 2 -> (1 to 10).toList)
scala.collection.immutable.Map[Int,scala.collection.immutable.Seq[Int] with scala.collection.AbstractSeq[Int] with Serializable{def reverse: scala.collection.immutable.Seq[Int] with scala.collection.AbstractSeq[Int]{def reverse: scala.collection.immutable....
C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术
...us(&ms);
return ms.dwMemoryLoad;
}
2.获取Windows CPU使用率
__int64 CompareFileTime(FILETIME time1, FILETIME time2)
{
__int64 a = time1.dwHighDateTime << 32 | time1.dwLowDateTime;
__int64 b = time2.dwHighDateTime << 32 | time2.dwLowDateTime;
return (b - a);
}
//Win CPU使...
Getting only Month and Year from SQL DATE
...e, so using the first moment of each month is the standard practice. When converting this DATETIME value to a string (Aaplication Layer, Presentation Layer, Reporting Layer, etc), you can always choose to format it with just the year and month parts. But in terms of "in database" data manipulation...
How to download an entire directory and subdirectories using wget?
...
you can also use this command :
wget --mirror -pc --convert-links -P ./your-local-dir/ http://www.your-website.com
so that you get the exact mirror of the website you want to download
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...
Clean ways to write multiple 'for' loops
...you need a three dimensional matrix, you define one:
class Matrix3D
{
int x;
int y;
int z;
std::vector<int> myData;
public:
// ...
int& operator()( int i, int j, int k )
{
return myData[ ((i * y) + j) * z + k ];
}
};
Or if you want to index using...
MFC中ComboBox控件的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...)GetDlgItem(IDC_COMBO_CF))->ResetContent();//消除现有所有内容
for(int i=1;i<=100;i++)
{
strTemp.Format("%d",i);
((CComboBox*)GetDlgItem(IDC_COMBO_CF))->AddString(strTemp);
}
3，下拉的时候添加，如：
CString strTemp;
intiCount=((CComboBox*)GetDlgItem(IDC_COMBO_CF))->G...
How do I clear the std::queue efficiently?
...wapping with an empty version of the container:
void clear( std::queue<int> &q )
{
std::queue<int> empty;
std::swap( q, empty );
}
It is also the only way of actually clearing the memory held inside some containers (std::vector)
...
How to get 30 days prior to current date?
...
As noted by @Neel, this method returns in Javascript Timestamp format. To convert it back to date object, you need to pass the above to a new Date object; new Date(priorDate).
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