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Dynamically update values of a chartjs chart
...leStartValue : 0
}
//Get the context of the canvas element we want to select
var ctx = document.getElementById("myChart").getContext("2d");
var optionsNoAnimation = {animation : false}
var myNewChart = new Chart(ctx);
myNewChart.Line(data, optionsAnimation);
setInterval(function(){...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...o change the Screen.Sizing property, on the Designer screen with Screen1 selected in Components, go to Properties on the right-hand side of the App Inventor. You will find a box below “Sizing” that usually defaults to Fixed, located about 2/3 down. This property is set project-wide.
When si...
How well is Unicode supported in C++11?
...port is quite good, though: it supports detecting endianess from a BOM, or selecting it explicitly in code. It also supports producing output with and without a BOM.
There are some more interesting conversion possibilities absent. There is no way to deserialize from an UTF-16 byte stream or string ...
SOAP or REST for Web Services? [closed]
...hod. With SOAP you have the burden of right-clicking on your reference and selecting "update" and then fixing a few compile errors. (Sarcasm included free of charge.)
– Josh M.
Nov 4 '10 at 18:36
...
Storing JSON in database vs. having a new column for each key
..._food pizza
.................
and query via something like this:
select meta_val from `table` where meta_key = 'name' and uid = 1 order by meta_id desc
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What techniques can be used to speed up C++ compilation times?
...rated binary sizes.
Changing visibility options
In newer compilers you can select your symbols to be either visible or invisible in the Dynamic Shared Objects (DSOs). Ideally, changing the visibility can improve compiler performance, link time optimizations (LTOs), and generated binary sizes. If yo...
iOS app error - Can't add self as subview
...ns a list of note objects. The note object has a content property in html. Select a note will go to the detail controller.
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
//get note object
DetailViewController *controller = [[DetailViewControlle...
Adaptive segue in storyboard Xcode 6. Is push deprecated?
... own custom code. When I download the sample project, it even shows to the selection of 'custom' on the segues in the storyboard file.
– Spencer Hall
Jun 24 '14 at 14:48
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When is it appropriate to use UDP instead of TCP? [closed]
... I just now ran a test out of curiosity. The test read 1 million records (select * from sometable). I set the number of records to return with each individual client request to be 1, 10, and then 100 (three test runs with each protocol). The server was only two hops away over a 100Mbit LAN. The ...
What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
... symmetry in many-to-many relationships and Hibernate has no rationale for selecting one direction over the other.
We therefore use MappedBy to tell Hibernate, we have chosen the other entity to dictate the mapping of the relationship between the two entities.
@Entity
public class Driver {
@Ma...