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Asterisk in function call
... as input, and expands it into actual positional arguments in the function call.
So if uniqueCrossTabs was [ [ 1, 2 ], [ 3, 4 ] ], then itertools.chain(*uniqueCrossTabs) is the same as saying itertools.chain([ 1, 2 ], [ 3, 4 ])
This is obviously different from passing in just uniqueCrossTabs. In y...
How to get image size (height & width) using JavaScript?
...
You can programmatically get the image and check the dimensions using Javascript...
const img = new Image();
img.onload = function() {
alert(this.width + 'x' + this.height);
}
img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif';...
Why use symbols as hash keys in Ruby?
... saves memory, because they are only stored once.
Symbols in Ruby are basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object i...
How to make modal dialog in WPF?
...created the new child window doesn't stop and wait for the child window to call Close(). Instead it just keeps going forward. This is not what I want.
...
What are CFI directives in Gnu Assembler (GAS) used for?
...
I've got a feeling it stands for Call Frame Information and is a GNU AS extension to manage call frames. From DeveloperWorks:
On some architectures, exception
handling must be managed with Call
Frame Information directives. These
directives are use...
jQuery disable/enable submit button
...
This works, but seems to leave out the css. For example, calling $("#loginButton").button(); on input id="loginButton" type="submit" name="Submit" value="Login" disabled> will show a disabled button with css disabled classes.
– Gaʀʀʏ
Sep...
How to detect if multiple keys are pressed at once using JavaScript?
...Listener
Handlers registered with addEventListener can be stacked, and are called in the order of registration, while setting .onevent directly is rather aggressive and overrides anything you previously had.
document.body.onkeydown = function(ev){
// do some stuff
ev.preventDefault(); // can...
What should I use Android AccountManager for?
...s yet but is it possible for these classes to add an account with function calls without user interaction? Like for example adding a microsoft exchange account, google account, POP3/IMAP account. Thanks.
– dackyD
Jan 17 '12 at 13:45
...
CharSequence VS String in Java?
...
Except when Android passes me a CharSequence in a callback and I need a String - call charSeq.toString().
– Martin Konicek
Jul 7 '11 at 11:09
...
How to Display blob (.pdf) in an AngularJS app
...d/' + id,
responseType: "blob"
}).then(function successCallback(response) {
console.log(response);
var blob = new Blob([response.data]);
FileSaver.saveAs(blob, getFileNameFromHttpResponse(response));
}, function errorCallback(response...