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What are the undocumented features and limitations of the Windows FINDSTR command?
..., 0x0B Vertical Tab, 0x0C Form Feed, 0x0D Carriage Return.
XP FINDSTR also converts a number of extended ASCII characters to dots as well. The extended ASCII characters that display as dots on XP are the same as those that are transformed when supplied on the command line. See the "Character limits ...
How do I trim leading/trailing whitespace in a standard way?
Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution.
...
Python: changing value in a tuple
...basically two ways of replacing a tuple's element at a given index. Either convert the tuple to a list, replace the element and convert back, or construct a new tuple by concatenation.
In [1]: def replace_at_index1(tup, ix, val):
...: lst = list(tup)
...: lst[ix] = val
...: ret...
Callback to a Fragment from a DialogFragment
...(getActivity())
.setTitle(R.string.ERROR)
.setIcon(android.R.drawable.ic_dialog_alert)
.setPositiveButton(R.string.ok_button,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichB...
error C2143:语法错误 : 缺少“;”(在“*”的前面) error C4430:缺少类型说...
...“;”(在“*”的前面) error C4430:缺少类型说明符 - 假定为 int。注意: C++ 不支持默认 int1>d: xxx childfrm.h(73): error C2143: 语法错误 : 缺少;(在*的前面)1>d: xxx childfrm.h(73): error C4430: 缺少类型说明符 - ...1>d:\xxx\childfrm.h(73): error C2143: 语法...
如何获取控件的值？ - C++ UI - 清泛IT社区，为创新赋能！
最简单直观的：
CString str;
GetDlgItemText(IDC_EDIT_TEST, str);
int d=atoi(str.GetBuffer(0));
更优雅的：
.h：int m_editTest;
.cpp：
void CxxDlg::DoDataExchange(CDataExchange* pDX)
{
DDX_Text(pDX, IDC_EDIT_TEST, m_editTest);
}
这样就绑定了控件和一...
APP INVENTOR硬件交互学习教程07——多个参数上报 - 创客硬件开发 - 清泛IT...
...no代码，温度和电位计使用随机数生成
// 引脚定义
const int ledPin1 = 5;// the number of the LED pin
const int ledPin2 = 6;
const int ledPin3 = 3;
const int bluePin = 6;// the number of the LED pin
const int greenPin = 5;
cons...
Unmangling the result of std::type_info::name
... information about the calling function. This should be relatively easy, standard C++ has a type_info class. This contains the name of the typeid'd class/function/etc. but it's mangled. It's not very useful. I.e. typeid(std::vector<int>).name() returns St6vectorIiSaIiEE .
...
How to get the selected index of a RadioGroup in Android
Is there an easy way to get the selected index of a RadioGroup in Android or do I have to use OnCheckedChangeListener to listen for changes and have something that holds the last index selected?
...
Regex to replace everything except numbers and a decimal point
...
This is great to convert already-formatted numbers like money to a computable float.
– lu1s
Jan 12 '17 at 0:15
add a ...