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Using property() on classmethods
...lass with two class methods (using the classmethod() function) for getting and setting what is essentially a static variable. I tried to use the property() function with these, but it results in an error. I was able to reproduce the error with the following in the interpreter:
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How can mixed data types (int, float, char, etc) be stored in an array?
...mbiguation page for "discriminated union" - "disjoint union" in set theory and, as @H2CO3 mentioned, "tagged union" in computer science.
– Izkata
Sep 2 '13 at 17:38
14
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How to “set a breakpoint in malloc_error_break to debug”
...int Navigator or ⌘8), clicking the plus button in the lower left corner, and selecting "Add Symbolic Breakpoint". In the popup that comes up, enter malloc_error_break in the Symbol field, then click Done.
EDIT: openfrog added a screenshot and indicated that he's already tried these steps without s...
How can I validate a string to only allow alphanumeric characters in it?
...n use LINQ:
if (yourText.All(char.IsLetterOrDigit))
{
//just letters and digits.
}
yourText.All will stop execute and return false the first time char.IsLetterOrDigit reports false since the contract of All cannot be fulfilled then.
Note! this answer do not strictly check alphanumerics (whi...
How can I change the version of npm using nvm?
...S for my node work. It works totally fine for installing separate versions and switching between them. It also installs the latest version of NPM within each local .../bin folder along with the node binary. However, there doesn't seem to be any way to switch the version of NPM that I'm using (or at ...
How to convert a std::string to const char* or char*?
...ice that the above is not exception safe. If anything between the new call and the delete call throws, you will leak memory, as nothing will call delete for you automatically. There are two immediate ways to solve this.
boost::scoped_array
boost::scoped_array will delete the memory for you upon go...
Get exception description and stack trace which caused an exception, all as a string
I've seen a lot of posts about stack trace and exceptions in Python. But haven't found what I need.
11 Answers
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How do you create a daemon in Python?
...The first result is to this code recipe which has a lot of documentation and explanation, along with some useful discussion underneath.
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adb command not found
I need to run an adb forward command before I could use the ezkeyboard application which allows user to type on the phone using browser.
...
Forward declaring an enum in C++
... char or an int, or something else.
From Section 7.2.5 of the ISO C++ Standard:
The underlying type of an enumeration is an integral type that can represent all the enumerator values defined in the enumeration. It is implementation-defined which integral type is used as the underlying type fo...