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How do I create a variable number of variables?
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You can use dictionaries to accomplish this. Dictionaries are stores of keys and values.
>>> dct = {'x': 1, 'y': 2, 'z': 3}
>>> dct
{'y': 2, 'x': 1, 'z': 3}
>>> dct["y"]
2
You can use variable key names to achieve the effect of variable variables without the securit...
How to deselect a selected UITableView cell?
I am working on a project on which I have to preselect a particular cell.
24 Answers
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Finish an activity from another activity
I want to finish one activity from another activity, like:
10 Answers
10
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Is there any difference between GROUP BY and DISTINCT
...ates an execution plan as if you'd simply used "Distinct."
However, I think it's important to note Hank's response as well - cavalier treatment of "Group By" and "Distinct" could lead to some pernicious gotchas down the line if you're not careful. It's not entirely correct to say that this is "not...
How to pick a new color for each plotted line within a figure in matplotlib?
I'd like to NOT specify a color for each plotted line, and have each line get a distinct color. But if I run:
7 Answers
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How to set background color of HTML element using css properties in JavaScript
How can I set the background color of an HTML element using css in JavaScript?
17 Answers
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How do I install g++ for Fedora?
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The package you're looking for is confusingly named gcc-c++.
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jQuery: Count number of list elements?
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Try:
$("#mylist li").length
Just curious: why do you need to know the size? Can't you just use:
$("#mylist").append("<li>New list item</li>");
?
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How do I add a Maven dependency in Eclipse?
I don't know how to use Maven at all. I've been developing for a couple years with Eclipse and haven't yet needed to know about it. However, now I'm looking at some docs that suggest I do the following:
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How do I check if an element is hidden in jQuery?
...tion refers to a single element, this code might be more suitable:
// Checks CSS content for display:[none|block], ignores visibility:[true|false]
$(element).is(":visible");
// The same works with hidden
$(element).is(":hidden");
It is the same as twernt's suggestion, but applied to a single ele...