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Instance variables vs. class variables in Python

...f time savings. However, if you insist on class attributes, you need that extra lookup. Or, your other alternative is to refer to the object via the class instead of the instance, e.g., MyController.path instead of self.path. That's a direct lookup which will get around the deferred lookup, but as ...
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Hamcrest compare collections

...), containsInAnyOrder("item1", "item2")); (Assuming that your list is of String, rather than Agent, for this example.) If you really want to call that same method with the contents of a List: assertThat(actual.getList(), containsInAnyOrder(expectedList.toArray(new String[expectedList.size()])); ...
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Error in Swift class: Property not initialized at super.init call

...out this safety check 1. Like in this sample class Shape { var name: String var sides : Int init(sides:Int, named: String) { self.sides = sides self.name = named } } class Triangle: Shape { var hypotenuse: Int init(hypotenuse:Int) { super.init(sides...
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How should I escape commas and speech marks in CSV files so they work in Excel?

... rules. If the value contains a comma, newline or double quote, then the String value should be returned enclosed in double quotes. Any double quote characters in the value should be escaped with another double quote. If the value does not contain a comma, newline or double quote, then the String ...
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C# Double - ToString() formatting with two decimal places but no rounding

How do I format a Double to a String in C# so as to have only two decimal places? 15 Answers ...
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boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术

...site_key, as shown in the example: struct phonebook_entry { std::string family_name; std::string given_name; std::string phone_number; phonebook_entry( std::string family_name, std::string given_name, std::string phone_number): family_name(family_name),given_...
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Convert string[] to int[] in one line of code using LINQ

I have an array of integers in string form: 6 Answers 6 ...
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Is the != check thread safe?

...It is not sufficient. In fact, in the absence of synchronization (and the extra "happens before" relationships that imposes), the optimization is valid, – Stephen C Aug 28 '13 at 9:49 ...
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List Git aliases

...on the answer by johnny. It applies if you're not using git-alias from git-extras. On Linux, run once: git config --global alias.alias "! git config --get-regexp ^alias\. | sed -e s/^alias\.// -e s/\ /\ =\ /" This will create a permanent git alias named alias which gets stored in your ~/.gitconf...
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How to set tbody height with overflow scroll

... </tr> <tr> <td>February. An extra long string.</td> <td>AAA</td> <td><span>Invite | Delete</span></td> </tr> <tr> <td>March</td> <td>AAA</t...