大约有 40,000 项符合查询结果（耗时：0.0426秒） [XML]
Get Image Height and Width as integer values?
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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...
How to check what user php is running as?
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If available you can probe the current user account with posix_geteuid and then get the user name with posix_getpwuid.
$username = posix_getpwuid(posix_geteuid())['name'];
If you are running in safe mode however (which is often the case when exec is disabled), then it's unlikely tha...
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...
Mysql: Select rows from a table that are not in another
... all join conditions manually:
SELECT a.*
FROM tbl_1 a
NATURAL LEFT JOIN tbl_2 b
WHERE b.FirstName IS NULL
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SHA-1 fingerprint of keystore certificate
...-keypass android
for Release mode:
keytool -list -v -keystore {keystore_name} -alias {alias_name}
example:
keytool -list -v -keystore C:\Users\MG\Desktop\test.jks -alias test
On windows, when keytool command is not found, Go to your installed JDK Directory e.g. <YourJDKPath>\Java\j...
Random strings in Python
...:
import random, string
def randomword(length):
letters = string.ascii_lowercase
return ''.join(random.choice(letters) for i in range(length))
Results:
>>> randomword(10)
'vxnxikmhdc'
>>> randomword(10)
'ytqhdohksy'
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delete word after or around cursor in VIM
... what's the difference between dw and daw ?
– AK_
Mar 13 '17 at 17:00
5
@AK_ Late response, ...
Convert HashBytes to VarChar
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I have found the solution else where:
SELECT SUBSTRING(master.dbo.fn_varbintohexstr(HashBytes('MD5', 'HelloWorld')), 3, 32)
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How to tell if a browser is in “quirks” mode?
...eally true? What are all the possible values?
– still_dreaming_1
Sep 16 '16 at 19:25
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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
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