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How to prevent page scrolling when scrolling a DIV element?
...s native scrolling altogether (when cursor is inside the DIV) and then manually scrolling the DIV with JavaScript (by setting its .scrollTop property). An alternative and IMO better approach would be to only selectively disable the browser's scrolling in order to prevent the page scroll, but not the...
How do I unlock a SQLite database?
... that page is either incorrect or out-of-date: I have a process doing literally nothing but a single INSERT that is getting that locked message: it is not possible for this process to have caused the lock. The problem was in another process talking to the same DB.
– Dan James...
How to debug in Django, the good way? [closed]
... later Django . The first times it was hard looking at tracebacks and actually figure out what I did wrong and where the syntax error was. Some time has passed now and some way along the way, I guess I got a routine in debugging my Django code. As this was done early in my coding experience, I sat ...
Selecting only first-level elements in jquery
...; li a")
But you would need to set a class on the root ul if you specifically want to target the outermost ul:
<ul class="rootlist">
...
Then it's:
$("ul.rootlist > li a")....
Another way of making sure you only have the root li elements:
$("ul > li a").not("ul li ul a")
It lo...
Adding n hours to a date in Java?
...
Check Calendar class. It has add method (and some others) to allow time manipulation. Something like this should work.
Calendar cal = Calendar.getInstance(); // creates calendar
cal.setTime(new Date()); // sets calendar time/date
cal.add(Calendar.HOUR_OF_DAY, 1); // adds o...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...s/Current
This will force Homebrew to use Ruby 1.8 from the system's installation.
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What's the fastest way to delete a large folder in Windows?
... rm -rf folder works wonderfully fast if you have Cygwin installed.
– Sinan Ünür
May 23 '09 at 14:18
45
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Difference between `set`, `setq`, and `setf` in Common Lisp?
...
Originally, in Lisp, there were no lexical variables -- only dynamic ones. And
there was no SETQ or SETF, just the SET function.
What is now written as:
(setf (symbol-value '*foo*) 42)
was written as:
(set (quote *foo*) 42)
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
... @ghoppe: Worth noting that it differs from .floor() in that it actually just removes anything to the right of the decimal. This makes a difference when used against a negative number. Also, it will always return a number, and will never give you NaN. If it can't be converted to a number, you...
What's the most concise way to read query parameters in AngularJS?
...ess useful after the controller's initial load; $location.search() can be called anytime.
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