大约有 19,000 项符合查询结果(耗时:0.0291秒) [XML]
How to get highcharts dates in the x axis?
...
Highcharts will automatically try to find the best format for the current zoom-range. This is done if the xAxis has the type 'datetime'. Next the unit of the current zoom is calculated, it could be one of:
second
minute
hour
day
week
month
year
This unit is then used find...
Scala: Abstract types vs generics
... At least in principle, we can express every sort of parameterization as a form of object-oriented abstraction. So in a sense you could say Scala is a more orthogonal and complete language.
Why?
What, in particular, abstract types buy you is a nice treatment for these covariance problems we talked...
Send file using POST from a Python script
...
"files": {
"report.xls": "<censored...binary...data>"
},
"form": {},
"url": "http://httpbin.org/post",
"args": {},
"headers": {
"Content-Length": "3196",
"Accept-Encoding": "identity, deflate, compress, gzip",
"Accept": "*/*",
"User-Agent": "python-requests/0.8...
using href links inside tag
...
<select name="forma" onchange="location = this.value;">
<option value="Home.php">Home</option>
<option value="Contact.php">Contact</option>
<option value="Sitemap.php">Sitemap</option>
</select&...
Override devise registrations controller
I have added a field to the sign-up form that is based on a different model, see How do I use nested attributes with the devise model for the gory details. This part is working fine.
...
jQuery access input hidden value
...
There's a jQuery selector for that:
// Get all form fields that are hidden
var hidden_fields = $( this ).find( 'input:hidden' );
// Filter those which have a specific type
hidden_fields.attr( 'text' );
Will give you all hidden input fields and filter by those with a sp...
Javascript regex returning true.. then false.. then true.. etc [duplicate]
I have a strange problem with the validation I am writing on a form. It is a 'Check Username' button next to an input. The input default value is the username for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected...
Learning Regular Expressions [closed]
...lent \d+) matches any non-negative integer
\d{4}-\d{2}-\d{2} matches dates formatted like 2019-01-01
Grouping
A quantifier modifies the pattern to its immediate left. You might expect 0abc+0 to match '0abc0', '0abcabc0', and so forth, but the pattern immediately to the left of the plus quantifier...
Converting Integer to String with comma for thousands
...
System.out.println(NumberFormat.getNumberInstance(Locale.US).format(35634646));
Output: 35,634,646
share
|
improve this answer
|
...
How can I initialize a String array with length 0 in Java?
...I take your point, but for this particular case I prefer the more explicit form. It's clearer to me that it means "I want a string array with 0 elements" rather than "I want an array with this content - which is empty". Just personal preference I guess.
– Jon Skeet
...
