大约有 15,220 项符合查询结果（耗时：0.0265秒） [XML]
select * vs select column
.../O Pages (in SQL Server for e.g., each Page is 8 kilobytes). And every I/O read or write is by Page.. I.e., every write or read is a complete Page of data.
Because of this underlying structural constraint, a consequence is that Each row of data in a database must always be on one and only one page...
What's so great about Lisp? [closed]
...ns, you'll be depressed every time you use a language without them.
I've read The Little Schemer and am reading Practical Common Lisp, which are both excellent.
Next are the tools. I'm on a Mac, so I've zeroed in on Aquamacs Emacs (makes Emacs livable for a novice) and Steel Bank Common Lisp (SB...
Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)
...g to do this for my production heroku. See the answers on the following thread: flask.pocoo.org/mailinglist/archive/2012/2/22/…
– David
Mar 29 '12 at 22:45
2
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Jackson enum Serializing and DeSerializer
...on 1.2)
@JsonCreator
public static Event forValue(String value) { ... }
Read more about JsonCreator annotation here.
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Go Error Handling Techniques [closed]
...ing.
But remember: Whatever you do, always check your errors!
It's a good read.
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Using scanf() in C++ programs is faster than using cin?
I don't know if this is true, but when I was reading FAQ on one of the problem providing sites, I found something, that poke my attention:
...
Send string to stdin
...ut from a command, like
diff <(ls /bin) <(ls /usr/bin)
or you can read as
while read line
do
echo =$line=
done < some_file
or simply
echo something | read param
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Placement of the asterisk in pointer declarations
...ase 4 is actually a death-trap then? Is there any specification or further reading that explains why int* test,test2 only makes the first variable a pointer?
– Michael Stum♦
Oct 7 '08 at 21:06
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Change default app.config at runtime
...hes the paths. So, even after changing the path with SetData, it is not re-read, because there already exist cached values. The solution is to remove these, too:
using System;
using System.Configuration;
using System.Linq;
using System.Reflection;
public abstract class AppConfig : IDisposable
{
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C# Test if user has write access to a folder
...nother tab but hadn't seen the answer about DirectorySecurity, teach me to read all the answers not just the accepted one;-)
– Chris B
Sep 11 '09 at 10:45
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