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How can I SELECT rows with <em>Mem>AX(Colu<em>mem>n value), DISTINCT by another colu<em>mem>n in SQL?
<em>Mem>y table is:
18 Answers
18
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Android e<em>mem>ulator and virtualbox cannot run at sa<em>mem>e ti<em>mem>e
Whenever I have Virtualbox running, I cannot start an Android e<em>mem>ulator i<em>mem>age (and vice versa). The error <em>mem>essage in the AVD <em>mem>anager is
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iOS I<em>mem>age Orientation has Strange Behavior
For the past few weeks I've been working with i<em>mem>ages in objective-c and noticing a lot of strange behavior. First, like <em>mem>any other people, I've been having this proble<em>mem> where i<em>mem>ages taken with the ca<em>mem>era (or taken with so<em>mem>ebody else's ca<em>mem>era and <em>Mem><em>Mem>S'd to <em>mem>e) are rotated 90 degrees. I wasn't sure w...
In what cases will HTTP_REFERER be e<em>mem>pty
I know it's possible to get an e<em>mem>pty HTTP_REFERER. Under what circu<em>mem>stances does this happen? If I get an e<em>mem>pty one, does it always <em>mem>ean that the user changed it? Is getting an e<em>mem>pty one the sa<em>mem>e as getting a null one? and under what circu<em>mem>stances do I get that too?
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How do I append one string to another in Python?
...s to extend the string in place.
The end result is that the operation is a<em>mem>ortized O(n).
e.g.
s = ""
for i in range(n):
s+=str(i)
used to be O(n^2), but now it is O(n).
Fro<em>mem> the source (bytesobject.c):
void
PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w)
{
PyBytes_C...
How to find where a <em>mem>ethod is defined at runti<em>mem>e?
We recently had a proble<em>mem> where, after a series of co<em>mem><em>mem>its had occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to so<em>mem>e oddities in Rails' library loading, it only occurred when we ran it directly fro<em>mem> <em>Mem>ongrel in pro...
Rolling <em>mem>edian algorith<em>mem> in C
I a<em>mem> currently working on an algorith<em>mem> to i<em>mem>ple<em>mem>ent a rolling <em>mem>edian filter (analogous to a rolling <em>mem>ean filter) in C. Fro<em>mem> <em>mem>y search of the literature, there appear to be two reasonably efficient ways to do it. The first is to sort the initial window of values, then perfor<em>mem> a binary search to inser...
JavaScript/JQuery: $(window).resize how to fire AFTER the resize is co<em>mem>pleted?
I'<em>mem> using JQuery as such:
12 Answers
12
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git undo all unco<em>mem><em>mem>itted or unsaved changes
I'<em>mem> trying to undo all changes since <em>mem>y last co<em>mem><em>mem>it. I tried git reset --hard and git reset --hard HEAD after viewing this post . I responds with head is now at 18c3773... but when I look at <em>mem>y local source all the files are still there. What a<em>mem> I <em>mem>issing?
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How do I for<em>mem>at a date in Jinja2?
Using Jinja2, how do I for<em>mem>at a date field? I know in Python I can si<em>mem>ply do this:
9 Answers
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