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Cron and virtualenv
...
gak
28.4k2323 gold badges107107 silver badges149149 bronze badges
answered Jul 20 '10 at 4:40
arsars
...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
... C++ code below is able to detect a sheet of paper in the image:
void find_squares(Mat& image, vector<vector<Point> >& squares)
{
// blur will enhance edge detection
Mat blurred(image);
medianBlur(image, blurred, 9);
Mat gray0(blurred.size(), CV_8U), gray;
v...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...若發生這個錯誤，讀者可能要檢查一下有沒有WINSOCK.DLL(或32位元版本的WSOCK32.DLL)這個檔案?這個檔存放的路徑正確嗎?
WSAVERNOTSUPPORTED (10092) 不支援的WinSock.DLL版本
錯誤發生的原因是在呼叫WSAStartup()函式時所指定的WinSock版本不被...
Difference between ActionBarSherlock and ActionBar Compatibility
...ibility. ActionBarSherlock is really easy and nice to use.
--EDIT--
As LOG_TAG mentioned, there is now support for the action bar in the Android Support Library. I haven't had a chance to use it yet, but I would imagine that's the best one to use.
...
GitHub Windows client behind proxy
I'm trying to get the GitHub client for Windows working. I am on a corporate Win 7 x64 computer behind a corporate proxy and firewall. Following various other posts and experimenting with multiple combinations of environment variables and config variables I have found the only way to get cloning and...
How do I remove an item from a stl vector with a certain value?
...r, but it does return the new end iterator which can be passed to container_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(),...
How to grey out a button?
I have a button defined as shown below. When I want to disable it I use my_btn.setEnabled(false) , but I would also like to grey it out. How can I do that?
...
How To Accept a File POST
...elf-hosted.
– Kugel
Nov 28 '16 at 7:32
3
Great answer. Just one detail: if you are uploading from...
How to disable / enable dialog negative positive buttons?
...ertDialog.Builder(MainActivity.this);
builder.setIcon(android.R.drawable.ic_dialog_info);
builder.setTitle("Alert dialog title");
builder.setMessage("This is the example code snippet to disable button if edittext attached to dialog is empty.");
builder.setPositiveButton("PositiveButton",
new...