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Default filter in Django admin
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@the_game yeah, the idea is if you use square brackets to attempt to access a key that doesn't exists, it throws KeyError, wheras if you use the dict's get() method you can specify a default. I specified a default of empty-string so that split()...
How to use C++ in Go
...go (see the example of gmp in $GOROOT/misc/cgo/gmp).
I'm not sure if the idea of a class in C++ is really expressible in Go, as it doesn't have inheritance.
Here's an example:
I have a C++ class defined as:
// foo.hpp
class cxxFoo {
public:
int a;
cxxFoo(int _a):a(_a){};
~cxxFoo(){};
vo...
How do you implement a class in C? [closed]
...implement a class, or a good approximation of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate the memory by assuming a fixed number of instances, or even defining the reference to each object as a constant before compile time. Feel free to ...
Why do we need entity objects? [closed]
...se objects to what ever technology I'm using the the Data Layer. Its a bad idea to let the database structure determine the design of your application. Where possible write the app first and let that influence the structure of your database, not the other way around.
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Is it safe to delete a void pointer?
... example where doing what the author of the question wants to do is a good idea in C++.
– Christopher
Mar 7 '15 at 22:34
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How do I negate a test with regular expressions in a bash script?
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Ah, thanks for the reminder about anchoring. The idea of using lowercase or mixed variable names is confusing to a bash beginner, since the advice I have seen so far is to use uppercase. I understand the point you are making, but I have not seen enough bash scripting exampl...
How to generate a random alpha-numeric string?
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@weisjohn That's a good idea. You can do something similar with the second method, by removing the digits from symbols and using a space instead; you can control the average "word" length by changing the number of spaces in symbols (more occurrences...
What is JavaScript garbage collection?
...o avoiding it sometimes - it is always beneficial to have at least a rough idea of how garbage collection works.
Historical note: an earlier revision of the answer had an incorrect reference to the delete operator. In JavaScript the delete operator removes a property from an object, and is wholly d...
How to fight tons of unresolved variables warning in Webstorm?
...is will remove the warnings on the IDE, but I don't think that is the best idea, because we will lost one of the best utilities in a IDE like Webstorm, which can worsen the quality of our code.
Even so, if you want to follow in the menu: File > Settings > Editor > Inspections we can disabl...
Importing a GitHub project into Eclipse
....com/questions/251116/… and stackoverflow.com/questions/6396349/…, the idea is to have or create the .project and .classpath in the same parent directory than the one of the .git, and then edit its property to reference the source directory. The reference of that project will live in the Eclipse...