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How to read an external local JSON file in JavaScript?
...pe="text/javascript" src="javascrip.js"></script>
Get the Object from the json file
var mydata = JSON.parse(data);
alert(mydata[0].name);
alert(mydata[0].age);
alert(mydata[1].name);
alert(mydata[1].age);
For more information, see this reference.
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How to check if a variable is a dictionary in Python?
...ery few use-cases in Python that require explicit typechecking - most stem from inheriting a bad implementation to begin with ('god object's, overriding standard library/language constructs, etc.) The original question is itself an XY problem. Why does the OP need to check type? Because according to...
What is the most effective way to get the index of an iterator of an std::vector?
...I like this one: it - vec.begin(), because to me it clearly says "distance from beginning". With iterators we're used to thinking in terms of arithmetic, so the - sign is the clearest indicator here.
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Export and Import all MySQL databases at one time
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@HalilÖzgür from the mysqldump man page: "mysqldump does not dump the INFORMATION_SCHEMA or performance_schema database by default. To dump either of these, name it explicitly on the command line and also use the --skip-lock-tables optio...
How can I get the application's path in a .NET console application?
...y be the console .exe assembly. It may be an assembly that has been loaded from a totally different location. You will have to use GetEntryAssembly! Also note that CodeBasemight not be set when the assembly is in the GAC. The better alternative is AppDomain.CurrentDomain.BaseDirectory.
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jQuery SVG, why can't I addClass?
...sions prior to 3.0 use the className property for these functions.
Excerpt from jQuery attributes/classes.js:
cur = elem.nodeType === 1 && ( elem.className ?
( " " + elem.className + " " ).replace( rclass, " " ) :
" "
);
This behaves as expected for HTML elements, but for SVG elemen...
What is the advantage of using forwarding references in range-based for loops?
...This doesn't compile because rvalue vector<bool>::reference returned from the iterator won't bind to a non-const lvalue reference. But this will work:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto&& e : v)
e = true;
}
All that being ...
Browse and display files in a git repo without cloning
...0"
What you want would be lovely functionality if they could add it, but from what I read it's not very easy since getting history etc needs a lot of information to be local to git, and at that point you may as well have done a git fetch.
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How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?
I would like to write a single SQL command to drop multiple columns from a single table in one ALTER TABLE statement.
11 ...
Under what circumstances are linked lists useful?
...tting an element in a known position:
on lists you have to walk the list from the first element to the element in the specific position. Worst case: O(n)
on arrays you can access the element immediately. O(1)
This is a very low-level comparison of these two popular and basic data structures and...