大约有 6,600 项符合查询结果（耗时：0.0309秒） [XML]
How to pipe list of files returned by find command to cat to view all the files
...ion" and it strips line feed by default which is really convinient !
more infos here
share
|
improve this answer
|
follow
|
...
Which icon sizes should my Windows application's icon include?
...eate a second version without the (compressed) 256 icon. See here for more info.
share
|
improve this answer
|
follow
|
...
Python 3.x rounding behavior
... a float. See Floating Point Arithmetic: Issues
and Limitations for more information.
So don't be surprised to get following results in Python 3.2:
>>> round(0.25,1), round(0.35,1), round(0.45,1), round(0.55,1)
(0.2, 0.3, 0.5, 0.6)
>>> round(0.025,2), round(0.035,2), round(0....
Relative URLs in WordPress
...
Good info. I always use root-relative paths so that I can deploy to dev.mysite.com -> qa.mysite.com -> www.mysite.com or even www.anothersite.com with no issues. It's unfortunate that WP wasn't designed with that in mind. ...
How can I position my div at the bottom of its container?
... if the content is tall and the window is short, it will put the copyright info over the page content, and then scrolling down to see the content will leave you with a floating copyright notice. That makes this solution useless for most pages (like this page, actually).
The most common way of doing...
How do I mock an open used in a with statement (using the Mock framework in Python)?
...to work on both py2 and py3? I don't like the idea of checking sys.version_info during the test
– Arthur Zopellaro
Dec 31 '17 at 1:30
...
PostgreSQL: Difference between text and varchar (character varying)
...er was saying "under the hood it's all varlena", which is certainly useful information that distinguishes this answer from a link-only answer.
– Bruno
Jul 22 '14 at 18:30
26
...
Using reflect, how do you set the value of a struct field?
...rk on the json pkg have not yielded it to me. re the reflect pkg, pulling info is pretty straightforward, but setting data requires some of black magic for which I would love to see a simple example somewhere!
– cc young
Jun 19 '11 at 10:57
...
Why are properties without a setter not serialized
...pliment ISerializable, and create a constructor like MyObject(SerializationInfo info, StreamingContext context). An example is found here.
share
|
improve this answer
|
foll...
Why unsigned integer is not available in PostgreSQL?
...So I go use the complex example from here and make it simple:
PG_FUNCTION_INFO_V1(complex_in);
Datum complex_in(PG_FUNCTION_ARGS) {
char *str = PG_GETARG_CSTRING(0);
uint64_t result;
if(sscanf(str, "%llx" , &result) != 1)
ereport(ERROR,
(errcode(ERR...