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SQLite table constraint - unique on multiple columns
...because i have NULL columns, and that just shoots the unique check out the window
– Michael
Jul 17 '14 at 0:14
Beware ...
HTTP 401 - what's an appropriate WWW-Authenticate header value?
... you're using some form of Forms based authentication.
From recollection, Windows Challenge Response uses a different scheme and different arguments.
The trick is that it's up to the browser to determine what schemes it supports and how it responds to them.
My gut feel if you are using forms base...
Why is git prompting me for a post-pull merge commit message?
...ommit message is already pre-filled, and I just have to save and close the window to complete the pull.
3 Answers
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Tables instead of DIVs [duplicate]
...a table that shows a variable number of products depending on how wide the window is stretched. Almost everything is best done as a div, but some tricky cases are better with a table when you consider old browsers.
– Nosredna
Jun 10 '09 at 14:21
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How far can memory leaks go?
...s the operating system maintains: memory, open files, network connections, window handles...
That said, if the program is running on an embedded system without an operating system, or with a very simple or buggy operating system, the memory might be unusable until a reboot. But if you were in that ...
Algorithm to detect corners of paper sheet in photo
..., 0, new)
new = cv2.Canny(new, 0, CANNY, apertureSize=3)
cv2.namedWindow('result', cv2.WINDOW_NORMAL)
cv2.imshow('result', orig)
cv2.waitKey(0)
cv2.imshow('result', dilated)
cv2.waitKey(0)
cv2.imshow('result', edges)
cv2.waitKey(0)
cv2.imshow('result', new)
c...
How can I extract a good quality JPEG image from a video file with ffmpeg?
...lours, though others have many more). This was using version 4.2.1 x64 on Windows. Also written here is: "If I pull png's from an mp4, with this [ffmpeg] command, I get high quality png's that are of identical quality to the original video." What version of ffmpeg are you using that is outputting...
Prevent wrapping of span or div
... or may not support when you read this), and you'll get a scrollbar on the window instead of on this container.
The key here is display: inline-block. This has decent cross-browser support nowadays, but as usual, it's worth testing in all target browsers to be sure.
...
Best way to define private methods for a class in Objective-C
...lop Objective-C code without Apple's frameworks, in fact I build on Linux, Windows and Mac OS X. I removed it anyway considering most people who code in Objective-C probably do use it on Mac OS X.
– dreamlax
Mar 16 '09 at 20:41
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Yes/No message box using QMessageBox
...to create a Message Box then add buttons :
QMessageBox msgBox;
msgBox.setWindowTitle("title");
msgBox.setText("Question");
msgBox.setStandardButtons(QMessageBox::Yes);
msgBox.addButton(QMessageBox::No);
msgBox.setDefaultButton(QMessageBox::No);
if(msgBox.exec() == QMessageBox::Yes){
// do someth...