大约有 48,000 项符合查询结果（耗时：0.0481秒） [XML]
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...rks if you can import MySQLdb.
python
>>> import MySQLdb
Step 10:
If upon trying to import you receive an error complaining that Library not loaded: libmysqlclient.18.dylib ending with: Reason: image not found you need to create one additional symlink which is:
sudo ln -s /usr/local/my...
How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
... characters are more common.
For example, in a search I just performed on 100 random English Wikipedia articles, the most common non-ASCII characters are ·•–é°®’èö—. Based on this fact,
The bytes 0x92, 0x95, 0x96, 0x97, 0xAE, 0xB0, 0xB7, 0xE8, 0xE9, or 0xF6 suggest windows-1252.
Th...
How do I convert a decimal to an int in C#?
...
10
Watch out: Convert has some surprising behaviour for certain conversion (null vs. 0 vs. ""). I'd recommend never using Convert unless you ...
Print a file, skipping the first X lines, in Bash [duplicate]
...
You'll need tail. Some examples:
$ tail great-big-file.log
< Last 10 lines of great-big-file.log >
If you really need to SKIP a particular number of "first" lines, use
$ tail -n +<N+1> <filename>
< filename, excluding first N lines. >
That is, if you want to skip N...
Finding the index of an item in a list
...ster than straight l.index(999_999), because the former only has to search 10 entries, while the latter searches a million:
>>> import timeit
>>> timeit.timeit('l.index(999_999)', setup='l = list(range(0, 1_000_000))', number=1000)
9.356267921015387
>>> timeit.timeit('l.in...
How to get duplicate items from a list using LINQ? [duplicate]
...
answered Sep 28 '10 at 9:41
LeeLee
130k1717 gold badges205205 silver badges262262 bronze badges
...
cmake and libpthread
...in 2020/ cmake 3.17?
– Jay
May 4 at 10:56
What happens if you don't set the THREADS_PREFER_PTHREAD_FLAG flag, just fin...
Referencing a string in a string array resource with xml
... |
edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Nov 12 '10 at 4:34
...
Factors in R: more than an annoyance?
...
answered Aug 10 '10 at 1:52
VinceVince
7,34833 gold badges3838 silver badges4646 bronze badges
...
Get time in milliseconds using C#
...nds. By time, I mean a number that is never equal to itself, and is always 1000 numbers bigger than it was a second ago. I've tried converting DateTime.Now to a TimeSpan and getting the TotalMilliseconds from that... but I've heard it isn't perfectly accurate.
...