大约有 18,000 项符合查询结果（耗时：0.0167秒） [XML]
SQL update fields of one table from fields of another one
...('a.' || quote_ident(column_name), ',') || ')
FROM a
WHERE b.id = 123
AND a.id = b.id'
FROM information_schema.columns
WHERE table_name = 'a' -- table name, case sensitive
AND table_schema = 'public' -- schema name, case sensitive
AND column_name <> 'id' -...
Efficient way to remove ALL whitespace from String?
... .ToArray());
}
I tested it in a simple unit test:
[Test]
[TestCase("123 123 1adc \n 222", "1231231adc222")]
public void RemoveWhiteSpace1(string input, string expected)
{
string s = null;
for (int i = 0; i < 1000000; i++)
{
s = input.RemoveWhitespace();
}
Assert...
How do I use shell variables in an awk script?
...f the environment variable ("${v}"):
% awk -vv="${v}" 'BEGIN { print v }'
123test
Or to make it clearer (with far fewer vs):
% environment_variable=123test
% awk -vawk_variable="${environment_variable}" 'BEGIN { print awk_variable }'
123test
...
2016电商“死亡”名单（上半年） - 资讯 - 清泛网 - 专注IT技能提升
...社交媒体圈显示“再见蜜淘”之类的话语。
模式：前身CN海淘上线于2014年3月，主打一站式海淘代购的轻模式；2014年7月，蜜淘宣布切入上游供应链，推出限时特卖服务，由轻模式的一站式购物转变成为一家B2C自营的海淘电商；2...
Easy way to pull latest of all git submodules
...answered Dec 11 '14 at 19:38
abc123abc123
15.5k66 gold badges4444 silver badges7373 bronze badges
...
SQL order string as number
... | 0 /* the string does not contain a number, so the result is 0 */
'123miles' | 123
'$123' | 0 /* the left side of the string does not start with a number */
share
|
improve t...
Adding HTML entities using CSS content
...
.breadcrumbs a:before {
content: '\0000a0';
}
More info on : http://www.evotech.net/blog/2007/04/named-html-entities-in-numeric-order/
share
|
improve this answer
|
fo...
How do I create a readable diff of two spreadsheets using git diff?
...
You can try this free online tool - www.cloudyexcel.com/compare-excel/
It gives a good visual output online, in terms of rows added,deleted, changed etc.
Plus you donot have to install anything.
...
curl json post request via terminal to a rails app
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Excel “External table is not in the expected format.”
... have Ace installed/registered on your machine, you can get it at: https://www.microsoft.com/en-US/download/details.aspx?id=13255
It applies for Excel 2010 as well.
share
|
improve this answer
...