大约有 43,200 项符合查询结果（耗时：0.0548秒） [XML]
Fastest way to count exact number of rows in a very large table?
...SQL Server solutions but don't use COUNT(*) = out of scope
Notes:
COUNT(1) = COUNT(*) = COUNT(PrimaryKey) just in case
Edit:
SQL Server example (1.4 billion rows, 12 columns)
SELECT COUNT(*) FROM MyBigtable WITH (NOLOCK)
-- NOLOCK here is for me only to let me test for this answer: no more, no...
How can I use “puts” to the console without a line break in ruby on rails?
...
1 Answer
1
Active
...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
...-'NA' element,
and give an error if neither works.
as.Date("01 Jan 2000") yields an error because the format isn't one of the two listed above. as.Date("01/01/2000") yields an incorrect answer because the date isn't in one of the two formats listed above.
I take "standard unambiguou...
How to convert int[] into List in Java?
...
271
There is no shortcut for converting from int[] to List<Integer> as Arrays.asList does not ...
GitHub - List commits by author
...
172
If the author has a GitHub account, just click the author's username from anywhere in the comm...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...
|
edited Jul 7 '11 at 21:58
sarnold
94.7k1919 gold badges157157 silver badges210210 bronze badges
...
How does a Java HashMap handle different objects with the same hash code?
...
14 Answers
14
Active
...
Fill remaining vertical space with CSS using display:flex
...kground: tomato;
/* no flex rules, it will grow */
}
div {
flex: 1; /* 1 and it will fill whole space left if no flex value are set to other children*/
background: gold;
overflow: auto;
}
footer {
background: lightgreen;
min-height: 60px; /* min-height has its purpose :) ...
How to view UTF-8 Characters in VIM or Gvim
...
answered Mar 3 '11 at 15:51
BenoitBenoit
67.7k2121 gold badges185185 silver badges219219 bronze badges
...