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How to create GUID / UUID?
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2395
UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier), accor...
Hibernate: Automatically creating/updating the db tables based on entity classes
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Steve Chambers
30.3k1313 gold badges121121 silver badges166166 bronze badges
answered Nov 20 '08 at 21:16
toolkittoo...
Is it possible to use global variables in Rust?
...ation is performed at runtime. Here are a few examples:
static SOME_INT: i32 = 5;
static SOME_STR: &'static str = "A static string";
static SOME_STRUCT: MyStruct = MyStruct {
number: 10,
string: "Some string",
};
static mut db: Option<sqlite::Connection> = None;
fn main() {
p...
Are negative array indexes allowed in C?
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answered Aug 13 '10 at 3:25
Matthew FlaschenMatthew Flaschen
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Initializing a static std::map in C++
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635
Using C++11:
#include <map>
using namespace std;
map<int, char> m = {{1, 'a'}, {3...
How to check whether a variable is a class or not?
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348
Even better: use the inspect.isclass function.
>>> import inspect
>>> class...
Unable to import a module that is definitely installed
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32 Answers
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How can I convert ArrayList to ArrayList?
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132
Since this is actually not a list of strings, the easiest way is to loop over it and convert ea...
Sort a list of tuples by 2nd item (integer value) [duplicate]
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Try using the key keyword with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple, so we acces...
Update git commit author date when amending
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376
You can change the author date with the --date parameter to git commit. So, if you want to am...