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How do you select a particular option in a SELECT element in jQuery?
...
A selector to get the middle option-element by value is
$('.selDiv option[value="SEL1"]')
For an index:
$('.selDiv option:eq(1)')
For a known text:
$('.selDiv option:contains("Selection 1")')
EDIT: As commented above t...
Output data from all columns in a dataframe in pandas [duplicate]
...idth of your console.
Alternatively, you can change the console width (in chars) from the default of 80 using e.g:
pandas.set_option('display.width', 200)
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使用 C++ 处理 JSON 数据交换格式 - C/C++ - 清泛网 - 专注C/C++及内核技术
...单的例子。
Json::Reader reader;
Json::Value json_object;
const char* json_document = "{/"age/" : 26,/"name/" : /"huchao/"}";
if (!reader.parse(json_document, json_object))
return 0;
std::cout << json_object["name"] << std::endl;
std::cout << json_object["age"] << std::endl;
输...
deny direct access to a folder and file by htaccess
...or a timestamp and validation. The validation could be, say, the first 10 chars of an MD5 of the timestamp and some internal secret. On processing the submit you can then (i) validate that the timestamp and validation match, and (ii) the timestamp is within, say, 15 minutes of the current time.
T...
CHECK constraint in MySQL is not working
...GER `test_before_insert` BEFORE INSERT ON `Test`
FOR EACH ROW
BEGIN
IF CHAR_LENGTH( NEW.ID ) < 4 THEN
SIGNAL SQLSTATE '12345'
SET MESSAGE_TEXT := 'check constraint on Test.ID failed';
END IF;
END$$
DELIMITER ;
Prior to MySQL 5.5 you had to cause an error, e.g. ca...
Remove carriage return in Unix
...many shells on many terminals, ctrl-V ctrl-M will produce a literal ctrl-M character).
– tripleee
Aug 25 '14 at 10:55
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How to find third or nth maximum salary from salary table?
...you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE RN = @NthRow
...
How to check if an option is selected?
...
UPDATE
A more direct jQuery method to the option selected would be:
var selected_option = $('#mySelectBox option:selected');
Answering the question .is(':selected') is what you are looking for:
$('#mySelectBox option').each(function() {
if($(this).is(':selected')) ....
Automatically remove Subversion unversioned files
...X, my alternative is as follows, which translates the linebreaks into null chars and uses the -0 option on xargs to handle spaces in filenames: svn status | grep ^\? | cut -c9- | tr '\n' '\0' | xargs -0 rm
– Brian Webster
Apr 15 '11 at 22:19
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You can't specify target table for update in FROM clause
...llow you to write queries like this:
UPDATE myTable
SET myTable.A =
(
SELECT B
FROM myTable
INNER JOIN ...
)
That is, if you're doing an UPDATE/INSERT/DELETE on a table, you can't reference that table in an inner query (you can however reference a field from that outer table...)
Th...