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Why do we need tuples in Python (or any immutable data type)?
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@ACoolie, that's totally dominated by the random calls (try doing just that, you'll see!), so not very significant. Try python -mtimeit -s "x=23" "[x,x]" and you'll see a more meaningful speedup of 2-3 times for building the tuple vs building the list.
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.prop() vs .attr()
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Update 1 November 2012
My original answer applies specifically to jQuery 1.6. My advice remains the same but jQuery 1.6.1 changed things slightly: in the face of the predicted pile of broken websites, the jQuery team reverted attr() to something close to (but not exactly the same a...
Completion block for popViewController
... There is no way to do what you're wanting out-of-the-box
This is technically correct because the UINavigationController API doesn't offer any options for this. However by using the CoreAnimation framework it's possible to add a completion block to the underlying animation:
[CATransaction begin]...
What's the best way to make a d3.js visualisation layout responsive?
...targetWidth / aspect);
});
And the svg contents will be scaled automatically. You can see a working example of this (with some modifications) here: just resize the window or the bottom right pane to see how it reacts.
sh...
Difference between JOIN and INNER JOIN
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I wouldn't call this syntactic sugar. "Default" join type, "shorthand," or "alias," maybe.
– mk12
Jun 24 '15 at 13:32
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How to remove a column from an existing table?
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By the way, you can call these types of "re-runnable" scripts/functions Idempotent
– tomosius
Nov 25 '16 at 20:12
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How to determine whether a Pandas Column contains a particular value
... But string.contains does a substring search. Ex: If a value called "head_hunter" is present. Passing "head" in str.contains matches and gives True which is wrong.
– karthikeyan
Jun 8 at 14:09
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Get all Attributes from a HTML element with Javascript/jQuery
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I tested and it works with dynamically added attributes (chrome)
– CodeToad
May 25 '16 at 8:37
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How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
...ynchronous option to be false to get a synchronous Ajax request. Then your callback can set some data before your mother function proceeds.
Here's what your code would look like if changed as suggested:
beforecreate: function (node, targetNode, type, to) {
jQuery.ajax({
url: 'http://ex...
How does View Controller Containment work in iOS 5?
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The UIViewController docs are pretty clear on when and when not to call willMove/didMove methods. Check out the "Implementing a Container View Controller" documentation.
The docs say, that if you do not override addChildViewController, you do not have to call willMoveToParentViewControl...