大约有 47,000 项符合查询结果(耗时:0.0578秒) [XML]
How to make the window full screen with Javascript (stretching all over the screen)
...
|
show 5 more comments
288
...
Using the scrollwheel in GNU screen
...
|
show 20 more comments
69
...
UPDATE multiple tables in MySQL using LEFT JOIN
...col1 = newvalue
WHERE t2.id IS NULL
Note that for a SELECT it would be more efficient to use NOT IN / NOT EXISTS syntax:
SELECT t1.*
FROM t1
WHERE t1.id NOT IN
(
SELECT id
FROM t2
)
See the article in my blog for performance details:
Finding incompl...
How to calculate md5 hash of a file using javascript
...e major browsers stack up:
FF 3.6 supports FileReader, FF4 supports even more file based functionality
Chrome has supported the FileAPI since version 7.0.517.41
Internet Explorer 10 has partial FileAPI support
Opera 11.10 has partial support for FileAPI
Safari - I couldn't find a good official sou...
Git keeps prompting me for a password
...
|
show 7 more comments
560
...
Is it possible for a computer to “learn” a regular expression by user-provided examples?
... say: "the item codes are things like \d++-345[AB]"
When the item code is more permissive but we have not provided other examples, we have not proofs to understand the problem well.
When applying the human generated solution \d++-345[AB] to the following text, it fails:
"On the back of the item th...
Change directory command in Docker?
...
You can run a script, or a more complex parameter to the RUN. Here is an example from a Dockerfile I've downloaded to look at previously:
RUN cd /opt && unzip treeio.zip && mv treeio-master treeio && \
rm -f treeio.zip &amp...
Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...
|
show 1 more comment
105
...
Checking user's homepage in Internet Explorer
... OK it sets it as google.com. After that however, I don't get the popup anymore. As far as I know, nobody should be able to retrieve the value of my homepage because it's a private info. But somehow Google is tracking it. I get the popup back when I set my homepage as a different site. I deleted the...
