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What is an example of the simplest possible Socket.io example?
.../title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font: 13px Helvetica, Arial; }
form { background: #000; padding: 3px; position: fixed; bottom: 0; width: 100%; }
form input { border: 0; padding: 10px; width: 90%; margin-right: .5%; }
...
Recommended way of making React component/div draggable
...(use ImagePreloaderMixin to load them);
Say, we want to make ImageBlocks reorderable. We only need them to implement dropTarget and dragSource for ItemTypes.BLOCK.
Suppose we add other kinds of blocks. We can reuse their reordering logic by placing it in a mixin.
dropTargetFor(...types) allows to sp...
Can I split an already split hunk with git?
...s the only chunk, you'll be able to split it.
If you're worried about the order of commits, just use git rebase -i.
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Capture HTML Canvas as gif/jpg/png/pdf?
... scope of this question a bit, with some useful tidbits on the matter.
In order to get the canvas as an image, you should do the following:
var canvas = document.getElementById("mycanvas");
var image = canvas.toDataURL("image/png");
You can use this to write the image to the page:
document.writ...
What is the right way to check for a null string in Objective-C?
...
I have found that in order to really do it right you end up having to do something similar to
if ( ( ![myString isEqual:[NSNull null]] ) && ( [myString length] != 0 ) ) {
}
Otherwise you get weird situations where control...
configure Git to accept a particular self-signed server certificate for a particular https remote
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to calculate moving average using NumPy?
...nce of np.ones of a length equal to the sliding window length we want.
In order to do so we could define the following function:
def moving_average(x, w):
return np.convolve(x, np.ones(w), 'valid') / w
This function will be taking the convolution of the sequence x and a sequence of ones of l...
How can I make an entire HTML form “readonly”?
...ion to just list the 'selected' items, without checkboxes. Like on a pizza order confirmation: just list all the ingredients you selected.
– marc82ch
Feb 20 '15 at 12:53
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Download a file with Android, and showing the progress in a ProgressDialog
...t.setDescription("Some descrition");
request.setTitle("Some title");
// in order for this if to run, you must use the android 3.2 to compile your app
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
request.allowScanningByMediaScanner();
request.setNotificationVisibility(Down...
How are virtual functions and vtable implemented?
...bl contents are simply an array of member pointers there (generally in the order they were declared, with the base class's first). There are of course other possible layouts, but that's what I've generally observed.
class A {
public:
virtual int f1() = 0;
};
class B : public A {
public:
vir...