大约有 40,000 项符合查询结果（耗时：0.0738秒） [XML]
Get Image Height and Width as integer values?
...
Try like this:
list($width, $height) = getimagesize('path_to_image');
Make sure that:
You specify the correct image path there
The image has read access
Chmod image dir to 755
Also try to prefix path with $_SERVER["DOCUMENT_ROOT"], this helps sometimes when you are not ab...
Please explain the exec() function and its family
...hat the child can do, and the parent halts until the child calls exec() or _exit().
The parent has to be stopped (and the child is not permitted to return from the current function) since the two processes even share the same stack. This is slightly more efficient for the classic use case of fork() ...
Update just one gem with bundler
...bundle update
> ruby -v
ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-darwin19]
> gem -v
3.0.3
> bundle -v
Bundler version 2.1.4
share
|
improve this answer
|
...
What are the differences between delegates and events?
...to buy the newspaper my point right or wrong?
– Rahul_Patil
Apr 15 at 8:57
add a comment
|
...
Why is UICollectionViewCell's outlet nil?
...I don't use it, it gives me error Assertion failure in -[UICollectionView _dequeueReusableViewOfKind:withIdentifier:forIndexPath:viewCategory:]
– Shaheera
Jun 30 '16 at 11:04
...
http to https apache redirection
...manent / https://mysite.example.com/
</VirtualHost>
<VirtualHost _default_:443>
ServerName mysite.example.com
DocumentRoot /usr/local/apache2/htdocs
SSLEngine On
# etc...
</VirtualHost>
Then do:
/etc/init.d/httpd restart
...
Opposite of %in%: exclude rows with values specified in a vector
... use
`%not in%` <- function (x, table) is.na(match(x, table, nomatch=NA_integer_))
Another way is:
function (x, table) match(x, table, nomatch = 0L) == 0L
share
|
improve this answer
...
Scroll Automatically to the Bottom of the Page
...Safari and IE8+. Check out this link for more detail quirksmode.org/dom/w3c_cssom.html
– Tho
Jan 26 '16 at 8:49
...
Convert HashBytes to VarChar
...
I have found the solution else where:
SELECT SUBSTRING(master.dbo.fn_varbintohexstr(HashBytes('MD5', 'HelloWorld')), 3, 32)
share
|
improve this answer
|
follow
...
Tools to generate database tables diagram with Postgresql? [closed]
...ok something like:
java -jar schemaspy-6.0.0-rc2.jar -t pgsql -db database_name -host myhost -u username -p password -o ./schemaspy -dp postgresql-9.3-1100.jdbc3.jar -s public -noads
Sometimes using options -port will not working if your database has diferrent port, so you have to add manual port...