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2025年8月5日签到记录贴 - 签到区 - 清泛IT社区，为创新赋能！
...的,如果您还未签到,请点此进行签到的操作. 我在 2025-08-05 06:39 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 8,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2025-08-05 08:00 完成...
How do we control web page caching, across all browsers?
...lidate
Expires: 0
Cache-Control: must-revalidate
Expires: Sat, 12 Oct 1991 05:00:00 GMT
Pragma: no-cache (https only)
Vary: * (https only)
Combining the above gives us this solution which works for Chrome 28, FireFox 23, IE8, Safari 5.1.7, and Opera 12.15: Cache-Control: no-store, must-revalidate ...
JSON datetime between Python and JavaScript
...isoformat())
The example datetime object would be serialized as:
'"2011-05-25T13:34:05.787000"'
This value, once received in the Javascript layer, can construct a Date object:
var d = new Date("2011-05-25T13:34:05.787000");
As of Javascript 1.8.5, Date objects have a toJSON method, which ret...
Bash array with spaces in elements
...clarations of $FILES should work:
FILES=(2011-09-04\ 21.43.02.jpg
2011-09-05\ 10.23.14.jpg
2011-09-09\ 12.31.16.jpg
2011-09-11\ 08.43.12.jpg)
or
FILES=("2011-09-04 21.43.02.jpg"
"2011-09-05 10.23.14.jpg"
"2011-09-09 12.31.16.jpg"
"2011-09-11 08.43.12.jpg")
or
FILES[0]="2011-09-04 21.43.02.jpg...
You can't specify target table for update in FROM clause
... chefID IS NOT NULL
OR gehalt < (
SELECT MAX (
gehalt * 1.05
)
FROM pers MA
WHERE MA.chefID = p.chefID
)
)
...
UPDATE pers P
SET P.gehalt = P.gehalt * 1.05
WHERE PersId
IN (
SELECT PersId
FROM test2
)
DROP TABLE test2;
or
UPDATE Pers P, (
SELECT PersId
FR...
Recommendation for compressing JPG files with ImageMagick
...(comprobed compression)
a very tiny gausssian blur to optimize the size (0.05 or 0.5 of radius) depends on the quality and size of the picture, this notably optimizes the size of the jpeg.
Strip any comment or exif tag
in imagemagick should be
convert -strip -interlace Plane -gaussian-blur 0.05 -...
Printing leading 0's in C?
...
printf("%05d", zipCode);
The 0 indicates what you are padding with and the 5 shows the length of the integer number. For example if you use "%02d" (Useful for dates) this would only pad zeros for numbers in the ones column ie.(06 in...
How do I import CSV file into a MySQL table?
...<pre> first_name,last_name,dob,phone_number,email, name,lastName,12-05-2018,54545,faiz@gmail.com, name1,lastName1,2018-05-12,456,faiz1@gmail.com, name2,lastName2,2018-05-12,456,faiz2@gmail.com, name3,lastName3,2018-05-22,456,faiz3@gmail.com, name4,lastName4,1988-05-22,456,faiz4@gmail.com, nam...
Compare two DataFrames and output their differences side-by-side
... Date
111 Jack True 2013-05-01 12:00:00
112 Nick 1.11 False 2013-05-12 15:05:23
Zoe 4.12 True ''',
'''\
id Name score isE...
Where do I find the current C or C++ standard documents?
...git
2018-11-26: N4791 git
2018-10-08: N4778 git
2018-07-07: N4762 git
2018-05-07: N4750 git
2018-04-02: N4741 git
2018-02-12: N4727 git
2017-11-27: N4713 git
2017-10-16: N4700 git
2017-07-30: N4687 git
This seems to be the new standard:
These version requires Authentication
2017-03-21: N4660 is the ...