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Should switch statements always contain a default clause?
...but can't remember what the justification was. It sounds fairly odd to me now.
21 Answers
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How to check if there exists a process with a given pid in Python?
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Supported by windows now. docs.python.org/library/os.html?highlight=os.kill#os.kill
– michael
Jun 8 '11 at 17:24
15
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Can gcc output C code after preprocessing?
...in.c
main.c
#define INC 1
int myfunc(int i) {
return i + INC;
}
and now, besides the normal output main.o, the current working directory also contains the following files:
main.i is the desired prepossessed file containing:
# 1 "main.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 31 ...
How to find first element of array matching a boolean condition in JavaScript?
I'm wondering if there's a known, built-in/elegant way to find the first element of a JS array matching a given condition. A C# equivalent would be List.Find .
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How to send FormData objects with Ajax-requests in jQuery? [duplicate]
...errideMimeType("multipart/form-data");
}
},
// Now you should be able to do this:
mimeType: 'multipart/form-data', //Property added in 1.5.1
success: function (data) {
alert(data);
}
});
e.preventDefault();
});
In some ca...
Python function global variables?
I know I should avoid using global variables in the first place due to confusion like this, but if I were to use them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.)
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Sorting object property by values
...ing exactly what you set out to do. That would work in all the browsers I know of, but it would be dependent on an implementation quirk, and could break at any time. You should never make assumptions about the order of elements in a JavaScript object.
var objSorted = {}
sortable.forEach(function(ite...
jQuery/Javascript function to clear all the fields of a form [duplicate]
...iss-leads some people who are truly seeking to "clear" (I was). With as of now 48 up votes there is evidence that people without the time and diligence to read the other answers, may leave this page with incomplete information. Your answer is not wrong it requires an update stating that its not goin...
How To Check If A Key in **kwargs Exists?
...: Always just pass-through arguments you don't understand, and don't even know if they exist. If you always pass through *args and **kwargs you make your code slower, and requires a bit more typing, but if interfaces of the called function (in this case print) changes, you don't need to change your ...
What is the point of function pointers?
...couple of void pointers to sortable data and a pointer to a function that knows how to compare two elements of these data structures. This allows us to create our function of choice for the job, and in fact even allows for choosing the comparison function at run time, e.g. for sorting ascending or d...