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Iterating over every two elements in a list
How do I make a for loop or a list comprehension so that every iteration gives me two elements?
21 Answers
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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
...ut it's possible that the version you used before somehow defaulted to autocommit mode while the new version does not. The error might still have occurred, but you could more easily have missed it. It's also possible that data type conversion or something else has changed since the old version. R...
Replace specific characters within strings
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Rotating and spacing axis labels in ggplot2
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In the newest version of ggplot2 the command would be: q + theme(axis.text.x=element_text(angle = -90, hjust = 0))
– rnorberg
Sep 28 '12 at 13:18
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Exception thrown inside catch block - will it be caught again?
...hen the try statement completes abruptly for the same reason.
Reference:
http://java.sun.com/docs/books/jls/second_edition/html/statements.doc.html#24134
In other words, the first enclosing catch that can handle the exception does, and if an exception is thrown out of that catch, that's not in the...
How can I get the current date and time in UTC or GMT in Java?
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java.util.Date has no specific time zone, although its value is most commonly thought of in relation to UTC. What makes you think it's in local time?
To be precise: the value within a java.util.Date is the number of milliseconds since the Unix epoch, which occurred at midnight January 1st 197...
How to scroll HTML page to given anchor?
... 'scrollTop': $('#anchorName2').offset().top
}, 2000);
example link: http://jsbin.com/unasi3/edit
If you don't want to animate use .scrollTop() like
$(document.body).scrollTop($('#anchorName2').offset().top);
or javascripts native location.hash like
location.hash = '#' + anchorid;
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What is aspect-oriented programming?
... add extra functionality before or after the method execution.
Reference: http://www.mkyong.com/spring/spring-aop-examples-advice/
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What does an exclamation mark mean in the Swift language?
...d optionals should not be used when there is a possibility of a variable becoming nil at a later point. Always use a normal optional type if you need to check for a nil value during the lifetime of a variable.
Update 2:
The article "Interesting Swift Features" by Mike Ash gives some motivation fo...
How do I vertically align text in a div?
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Vertical Centering in CSS
http://www.jakpsatweb.cz/css/css-vertical-center-solution.html
Article summary:
For a CSS 2 browser, one can use display:table/display:table-cell to center content.
A sample is also available at JSFiddle:
div { borde...