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How to disable GCC warnings for a few lines of code
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It appears this can be done. I'm unable to determine the version of GCC that it was added, but it was sometime before June 2010.
Here's an example:
#pragma GCC diagnostic error "-Wuninitialized"
foo(a); /* error is given for this one *...
How to determine if an NSDate is today?
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You can compare date components:
NSDateComponents *otherDay = [[NSCalendar currentCalendar] components:NSCalendarUnitEra | NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay fromDate:aDate];
NSDateComponents *today = [[NSCalendar currentCa...
CSS Background Opacity [duplicate]
...before to have a semi-transparent background and you can do this with just one container. Use something like this
<article>
Text.
</article>
Then apply some CSS
article {
position: relative;
z-index: 1;
}
article::before {
content: "";
position: absolute;
top: 0;
left...
Google App Engine: Is it possible to do a Gql LIKE query?
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
12 Answers
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Fling gesture detection on grid layout
...er = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
return gestureDetector.onTouchEvent(event);
}
};
}
class MyGestureDetector extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, fl...
Installing python module within code
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One issue with this is that, for novice users on Windows, python and pip are not always on their PATH, and so a .py file that could be double-clicked would be quite convenient, whereas a "pip install xxx" comment can be quite...
IOCTL Linux device driver [closed]
Can anyone explain me,
2 Answers
2
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The ALTER TABLE statement conflicted with the FOREIGN KEY constraint
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@DaveInMaine If one deactivates database constraints "when it is desired", I would ask why to trouble oneself with them in the first place and not simply skip them if one is not interested in database integrity.
– Smutj...
Is it possible to append to innerHTML without destroying descendants' event listeners?
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Oh, one last thing, you'll want “var myspan”, “var newcontent” etc. to avoid accidentally spilling globals.
– bobince
Feb 27 '09 at 21:24
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How to change Rails 3 server default port in develoment?
...le - you are monkey-patching the server runner - so it will influence just one project.
UPDATE: Yes, I know that the there is simpler solution with bash script containing:
#!/bin/bash
rails server -p 10524
but this solution has a serious drawback - it is boring as hell.
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