大约有 30,000 项符合查询结果（耗时：0.0502秒） [XML]
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"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 4...
Rails “validates_uniqueness_of” Case Sensitivity
...
There is a similar question but the answer is more interesting: https://stackoverflow.com/a/6422771
Basically, using :case_sensitive => false performs a very inefficient database query.
share
|
...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...No conversions needed if you only need to store 24 hours or less.
Source: http://msdn.microsoft.com/en-us/library/cc716729(v=vs.110).aspx
But, if you want to store more than 24h, you are going to need to store it in ticks, retrieve the data and then convert to TimeSpan. For example
int timeData =...
Is Java Regex Thread Safe?
...= email_pattern.matcher(email);
return matcher.matches();
}
}
see http://zoomicon.wordpress.com/2012/06/01/validating-e-mails-using-regular-expressions-in-java/ (near the end) regarding the RegEx pattern used above for validating e-mails (in case it doesn't fit ones needs for e-mail validat...
Check if OneToOneField is None in Django
...is behavior was actually corrected in Python 3.2 per the following ticket: http://bugs.python.org/issue9666. Furthermore — and at the risk of sounding opinionated — I believe the above try / except construct is more representative of how Django works, while using hasattr can cloud the issue for ...
Are table names in MySQL case sensitive?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"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 4...
Quicksort: Choosing the pivot
When implementing Quicksort, one of the things you have to do is to choose a pivot. But when I look at pseudocode like the one below, it is not clear how I should choose the pivot. First element of list? Something else?
...
Skip rows during csv import pandas
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"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 4...
Does constexpr imply inline?
...imal example that constexpr implies inline for functions
As mentioned at: https://stackoverflow.com/a/14391320/895245 the main effect of inline is not to inline but to allow multiple definitions of a function, standard quote at: How can a C++ header file include implementation?
We can observe that...
Why does Hibernate require no argument constructor?
I got this hand-wavy answer but could somebody explain further? Thanks
9 Answers
9
...