大约有 5,100 项符合查询结果（耗时：0.0225秒） [XML]
How is a non-breaking space represented in a JavaScript string?
...r values.
Instead of comparing using the entity, compare using the actual raw character:
var x = td.text();
if (x == '\xa0') { // Non-breakable space is char 0xa0 (160 dec)
x = '';
}
Or you can also create the character from the character code manually it in its Javascript escaped form:
var x...
How to change color in markdown cells ipython/jupyter notebook?
...
You can simply use raw html tags like
foo <font color='red'>bar</font> foo
Be aware that this will not survive a conversion of the notebook to latex.
As there are some complaints about the deprecation of the proposed solution. T...
How do I get a string format of the current date time, in python?
...older {}, value is the current time.
Then rather than just displaying the raw value as {}, use formatting to obtain the correct date format.
https://docs.python.org/3/library/string.html#formatexamples
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What's the best way to model recurring events in a calendar application?
...ored for a recurring event should always be the end date of the recurrence range (or your platform's "max date" if recurring "forever") and the event duration should be stored separately. This is to ensure a sane way of querying for events later.
Some discussion around generating event instances and...
Unique (non-repeating) random numbers in O(1)?
...SR which period is 1048575 (2^20 - 1) and get next one if number is out of range but this won't be efficient.
– tigrou
Jul 4 '16 at 9:35
1
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How do I capture response of form.submit
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alert("Success, server responded with: " + event.target.response); // raw response
};
// or onerror, onabort
var formData = new FormData(document.getElementById("myForm"));
xhr.send(formData);
For POST's the default content type is "application/x-www-form-urlencoded" which matches what we'r...
Why are Python's 'private' methods not actually private?
...languages don't support truly private members. For example in C++ you have raw access to memory and in C# trusted code can use private reflection.
– CodesInChaos
Jul 13 '16 at 10:40
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Favourite performance tuning tricks [closed]
...x are matched in the query
Are clustered indices used where appropriate?
range data
WHERE field between value1 and value2
Small Joins are Nice Joins
By default the optimiser will only consider the tables 4 at a time.
This means that in joins with more than 4 tables, it has a good chance of c...
Swapping column values in MySQL
...z set c1 = c1 ^ c2, c2 = c1 ^ c2, c1 = c1 ^ c2;
ERROR 1264 (22003): Out of range value for column 'c1' at row 2
mysql> update z set c1 = c1 + c2, c2 = c1 - c2, c1 = c1 - c2;
ERROR 1264 (22003): Out of range value for column 'c1' at row 3
mysql> select * from z;
+------------+------------+
| c...
What are good grep tools for Windows? [closed]
...r in set
[^class] Inverse class: any one character not in set
[x-y] Range: any characters within the specified range
\x Escape: literal use of metacharacter x
\<xyz Word position: beginning of word
xyz\> Word position: end of word
Example usage: findstr text_to_find ...