大约有 13,922 项符合查询结果（耗时：0.0360秒） [XML]
Equivalent of strace -feopen < command > on mac os X
This is useful for debugging (hence programming related). On linux, we can use the command
1 Answer
...
How can I round up the time to the nearest X minutes?
... new DateTime((dt.Ticks + d.Ticks - 1) / d.Ticks * d.Ticks, dt.Kind);
}
Example:
var dt1 = RoundUp(DateTime.Parse("2011-08-11 16:59"), TimeSpan.FromMinutes(15));
// dt1 == {11/08/2011 17:00:00}
var dt2 = RoundUp(DateTime.Parse("2011-08-11 17:00"), TimeSpan.FromMinutes(15));
// dt2 == {11/08/2011...
Print all day-dates between two dates [duplicate]
For example:
5 Answers
5
...
Create numpy matrix filled with NaNs
...in NumPy 1.8+
a = np.full([height, width, 9], np.nan)
This is pretty flexible and you can fill it with any other number that you want.
share
|
improve this answer
|
follow...
Java: how to initialize String[]?
...emory storage for the String elements before you can start setting the index.
If you only declare the array (as you did) there is no memory allocated for the String elements, but only a reference handle to errorSoon, and will throw an error when you try to initialize a variable at any index.
As a ...
How does variable assignment work in JavaScript?
So I was playing around the other day just to see exactly how mass assignment works in JavaScript.
7 Answers
...
Limit labels number on Chart.js line chart
...
Try adding the options.scales.xAxes.ticks.maxTicksLimit option:
xAxes: [{
type: 'time',
ticks: {
autoSkip: true,
maxTicksLimit: 20
}
}]
share
...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...ut LC_ALL=C python3 -c 'import sys; print(sys.stdout.encoding)' gives ANSI_X3.4-1968 (or perhaps something else)
– Tino
Sep 27 '15 at 23:01
7
...
Rails 4 multiple image or file upload using carrierwave
...ass="field">
<%= f.label :title %><br>
<%= f.text_field :title %>
</div>
<%= f.fields_for :post_attachments do |p| %>
<div class="field">
<%= p.label :avatar %><br>
<%= p.file_field :avatar, :multiple => tru...
What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
...ation/json
{ "foo" : "bar", "name" : "John" }
If you submit this per AJAX the browser simply shows you what it is submitting as payload body. That’s all it can do because it has no idea where the data is coming from.
If you submit a HTML-Form with method="POST" and Content-Type: application/x-...