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Dynamically update values of a chartjs chart
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Original Post
As of Nov 2013, there seem to be very few options for updating charts.
There is a good example here (duplicated below) of adding new points to a line chart. Still kind of jumpy but not too bad. However, I think the effect probably depends on the chart you are using.
It...
Is there a use-case for singletons with database access in PHP?
...
Okay, I wondered over that one for a while when I first started my career. Implemented it different ways and came up with two reasons to choose not to use static classes, but they are pretty big ones.
One is that you will find that very often something t...
Why should I use a pointer rather than the object itself?
...t people often use pointers to objects rather than the objects themselves, for example this declaration:
23 Answers
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What is the maximum length of a URL in different browsers?
...t and server software.
If you are targeting particular browsers, see below for more details specific limits.
Longer answer - first, the standards...
RFC 2616 (Hypertext Transfer Protocol HTTP/1.1) section 3.2.1 says
The HTTP protocol does not place
any a priori limit on the length of
a URI. Servers...
What is the best regular expression to check if a string is a valid URL?
...C 3987 (http://www.faqs.org/rfcs/rfc3987.html). These are in PCRE syntax.
For absolute IRIs (internationalized):
/^[a-z](?:[-a-z0-9\+\.])*:(?:\/\/(?:(?:%[0-9a-f][0-9a-f]|[-a-z0-9\._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...代码：
CString strname[3];
strname[0]="Screen Name";
strname[1]="Form ID";
strname[2]="Category Path";
for(int i=0;i<3;i++)
{
m_List.InsertColumn(i,strname[i],LVCFMT_LEFT,130);
}
在这之前也要将List Control的ID与ClistCtrl的对象m_list在DoDataExchange(CDataExchange* pDX)...
Efficiently replace all accented characters in a string?
For a poor man's implementation of near -collation-correct sorting on the client side I need a JavaScript function that does efficient single character replacement in a string.
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JQuery to check for duplicate ids in a DOM
....NET MVC. In contrast to traditional ASP.NET you're a lot more responsible for creating all the ids in your generated page. ASP.NET would give you nasty, but unique ids.
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How to construct a REST API that takes an array of id's for the resources
I am building a REST API for my project. The API for getting a given user's INFO is:
5 Answers
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How to filter SQL results in a has-many-through relation
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I was curious. And as we all know, curiosity has a reputation for killing cats.
So, which is the fastest way to skin a cat?
The precise cat-skinning environment for this test:
PostgreSQL 9.0 on Debian Squeeze with decent RAM and settings.
6.000 students, 24.000 club memberships (da...