大约有 15,208 项符合查询结果（耗时：0.0253秒） [XML]
What is a memory fence?
...ut of order to make maximum use of the available silicon (including memory read/writes). Because the hardware enforces instructions integrity you never notice this in a single thread of execution. However for multiple threads or environments with volatile memory (memory mapped I/O for example) this ...
Divide a number by 3 without using *, /, +, -, % operators
...oc(number,1);
fwrite(buf,number,1,fp);
rewind(fp);
int result=fread(buf,divisor,number,fp);
printf("%d / %d = %d", number, divisor, result);
free(buf);
fclose(fp);
return 0;
}
If also the decimal part is needed, just declare result as double and add to it the result of ...
Why is good UI design so hard for some Developers? [closed]
...ere they are not experts, they expect the experts of other areas to have already thought about normal people who use their products or services.
What can you do to remedy it? The more hardcore you are as a programmer, the less open you will be to normal user thinking. It will be alien and clueless...
Why should I use var instead of a type? [duplicate]
... developers wouldn't stop complaining about it. My defense was if they had read and understood the code it didn't make any difference.I think it actually make things easier; if you refactor code and the types change you don't have to update your references to the whatever you've refactored if it cha...
Show an image preview before upload
...thout actually having to upload the files. Part of the File API is the FileReader interface which lets web applications asynchronously read the contents of files .
Here's a quick example that makes use of the FileReader class to read an image as DataURL and renders a thumbnail by setting the src at...
How to handle configuration in Go [closed]
...ibrary offers methods to write the data structure indented, so it is quite
readable.
See also this golang-nuts thread.
The benefits of JSON are that it is fairly simple to parse and human readable/editable
while offering semantics for lists and mappings (which can become quite handy), which
is not...
eval command in Bash and its typical uses
After reading the bash man pages and with respect to this post .
10 Answers
10
...
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
...