大约有 30,000 项符合查询结果(耗时:0.0434秒) [XML]
Specifying and saving a figure with exact size in pixels
Say I have an i<em>mem>age of size 3841 x 7195 pixels. I would like to save the contents of the figure to disk, resulting in an i<em>mem>age of the exact size I specify in pixels.
...
How to query <em>Mem>ongoDB with “like”?
I want to query so<em>mem>ething with SQL's like query:
39 Answers
39
...
<em>Mem>ySQL error code: 1175 during UPDATE in <em>Mem>ySQL Workbench
I'<em>mem> trying to update the colu<em>mem>n visited to give it the value 1. I use <em>Mem>ySQL workbench, and I'<em>mem> writing the state<em>mem>ent in the SQL editor fro<em>mem> inside the workbench. I'<em>mem> writing the following co<em>mem><em>mem>and:
...
Insert current date in dateti<em>mem>e for<em>mem>at <em>mem>ySQL
I'<em>mem> having proble<em>mem>s getting the date inserted properly into <em>mem>y database.
15 Answers
15...
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
...
reducing nu<em>mem>ber of plot ticks
I have too <em>mem>any ticks on <em>mem>y graph and they are running into each other.
7 Answers
7
...
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...
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...
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...
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...