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Matplotlib (pyplot) savefig outputs blank image

...values that depend whether or not T0 exists. Second, after plt.show() is called, a new figure is created. To deal with this, you can Call plt.savefig('tessstttyyy.png', dpi=100) before you call plt.show() Save the figure before you show() by calling plt.gcf() for "get current figure", then you ca...
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What is the purpose of the “final” keyword in C++11 for functions?

... @AaronMcDaid: Compilers usually warn about code that, being correct, might cause confusion or errors. I have never seen anyone surprised by this particular feature of the language in a way that could cause any problem, so I don't really know how useful...
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Difference between .keystore file and .jks file

...y. Some application use a keystore file stored in $HOME/.keystore: it's usually implied that it's a JKS file, since JKS is the default keystore type in the Sun/Oracle Java security provider. Not everyone uses the .jks extension for JKS files, because it's implied as the default. I'd recommend using ...
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How do I set the maximum line length in PyCharm?

...hy the default value is set to 120 characters. PEP 8 clearly states: Limit all lines to a maximum of 79 characters. – Krøllebølle Nov 12 '14 at 8:20 ...
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Android TextWatcher.afterTextChanged vs TextWatcher.onTextChanged

... These events are called in the following order: beforeTextChanged(CharSequence s, int start, int count, int after). This means that the characters are about to be replaced with some new text. The text is uneditable. Use: when you need to tak...
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How to bind a List to a ComboBox?

...ry = (Country)comboBox1.SelectedItem;. If you want the ComboBox to dynamically update you'll need to make sure that the data structure that you have set as the DataSource implements IBindingList; one such structure is BindingList<T>. Tip: make sure that you are binding the DisplayMember to...
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PostgreSQL wildcard LIKE for any of a list of words

... According to dba.stackexchange.com/a/10696/27757 SIMILAR TO is internally translated to a regex search – Mark K Cowan Sep 16 '16 at 10:17 ...
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Plot smooth line with PyPlot

...) (Plus there's no harm in making the coments a bit more PEP8 style, after all it's "exposed code".) But in general: thanks for the example! – brezniczky Oct 25 '19 at 15:02 1 ...
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Animate scroll to ID on page load

...into view on page load, but had two issues: a) using "html,body" gave two callbacks (one for each matched element). b) It depends on browser which of body or html works. So I made a gist which you can adapt to use in your project to ensure scroll-into-view works on "any" browser and that you will on...
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Why Collections.sort uses merge sort instead of quicksort?

...to provide a stable sort (Merge Sort) to sort object references. (Techincally speaking, multiple sequential stable sorts result in a lexicographic ordering on the keys in the reverse order of the sorts: the final sort determines the most significant subkey.) It's a nice side benefit tha...