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Creating a singleton in Python
This question is not for the discussion of whether or not the singleton design pattern is desirable, is an anti-pattern, or for any religious wars, but to discuss how this pattern is best implemented in Python in such a way that is most pythonic. In this instance I define 'most pythonic' to mean tha...
How to improve Netbeans performance?
Is there a real way to get Netbeans to load and work faster?
29 Answers
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git error: failed to push some refs to remote
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If the GitHub repo has seen new commits pushed to it, while you were working locally, I would advise using:
git pull --rebase
git push
The full syntax is:
git pull --rebase origin master
git push origin master
With Git 2.6+ (Sept. 2015), after having done (once)
gi...
How to deep watch an array in angularjs?
There is an array of objects in my scope, I want to watch all the values of each object.
10 Answers
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Gulp command not found after install
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Turns out that npm was installed in the wrong directory so I had to change the “npm config prefix” by running this code:
npm config set prefix /usr/local
Then I reinstalled gulp globally (with the -g param) and it worked properly.
This article is where I found the sol...
How do I address unchecked cast warnings?
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The obvious answer, of course, is not to do the unchecked cast.
If it's absolutely necessary, then at least try to limit the scope of the @SuppressWarnings annotation. According to its Javadocs, it can go on local variables; this way, it doesn't even affect the ...
Find a Pull Request on Github where a commit was originally created
...r understanding the larger thinking around a change or set of changes made to a repo. Reading pull requests are a great way to quickly "grok" a project as, instead of small atomic changes to the source, you get larger groupings of logical changes. Analogous to organizing the lines in your code into ...
Why are margin/padding percentages in CSS always calculated against width?
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Transferring my comment to an answer, because it makes logical sense. However, please note that this is unfounded conjecture. The actual reasoning of why the spec is written this way is still, technically, unknown.
Element height is defined by t...
How to write DataFrame to postgres table?
There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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Generate pdf from HTML in div using Javascript
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jsPDF is able to use plugins. In order to enable it to print HTML, you have to include certain plugins and therefore have to do the following:
Go to https://github.com/MrRio/jsPDF and download the latest Version.
Include the following Sc...