大约有 47,000 项符合查询结果（耗时：0.0424秒） [XML]
Error installing mysql2: Failed to build gem native extension
...with-mysql-include="c:\Program Files\MySQL\MySQL Server 5.5\include"'
Now the gem should have installed correctly
Lastly copy the libmysql.dll file from
C:\Program Files\MySQL\MySQL Server 5.5\lib
to
C:\Rails\Ruby1.9.2\bin
--- Install the mysql2 Gem ---
You will now be able to u...
#define macro for debug printing in C?
...() in the example — to handle things like 'stderr'. It requires you to know how to write varargs functions, but that isn't hard:
#include <stdarg.h>
#include <stdio.h>
void dbg_printf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);...
What LaTeX Editor do you suggest for Linux? [closed]
...awkward to the point that I'd rather work with the LaTeX source. I don't know if it was poorly implemented or I just have a fundamental aversion to WYSIWYG LaTeX.
– Joel Wietelmann
Aug 5 '09 at 19:04
...
What is the canonical way to trim a string in Ruby without creating a new string?
This is what I have now - which looks too verbose for the work it is doing.
9 Answers
...
What is the best way to implement nested dictionaries?
...ber in data.items():
vividict[state][county][occupation] = number
And now:
>>> import pprint
>>> pprint.pprint(vividict, width=40)
{'new jersey': {'mercer county': {'plumbers': 3,
'programmers': 81},
'middlesex county': {'progr...
Function overloading by return type?
...nt join " ", localtime(); # printed "58 11 2 14 0 109 3 13 0" for me right now
print scalar localtime(); # printed "Wed Jan 14 02:12:44 2009" for me right now.
Every operator in Perl does something in scalar context and something in list context, and they may be different, as illustrated. (This i...
How do I tell git to always select my local version for conflicted merges on a specific file?
...nit
Initialized empty Git repository in F:/prog/git/test/copyMerge/.git/
Now, let's make two files, which will both have conflicts, but which will be merged differently.
echo a > dirWithConflicts\a.txt
echo b > dirWithCopyMerge\b.txt
git add -A
git commit -m "first commit with 2 directories...
How do I inspect the view hierarchy in iOS?
...
Xcode 6 now has 3D view hierarchy inspection built in like Reveal App and Spark Inspector.
Click on the "Debug View Hierarchy" button while your app is running to pause execution and inspect the views at the current moment.
Mor...
How to do a git diff on moved/renamed file?
I moved a file using git mv . Now I would like to do a diff on the new file to compare it with the old file (with the old, now non-existent name).
...
How do I format a date in Jinja2?
Using Jinja2, how do I format a date field? I know in Python I can simply do this:
9 Answers
...