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How to add List to a List in asp.net [duplicate]
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Use Concat or Union extension methods. You have to make sure that you have this direction using System.Linq; in order to use LINQ extensions methods.
Use the AddRange method.
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How to reset index in a pandas dataframe? [duplicate]
...is faster:
df = pd.DataFrame({'a':[8,7], 'c':[2,4]}, index=[7,8])
df = pd.concat([df]*10000)
print (df.head())
In [298]: %timeit df1 = df.reset_index(drop=True)
The slowest run took 7.26 times longer than the fastest. This could mean that an intermediate result is being cached.
10000 loops, best o...
How do you read CSS rule values with JavaScript?
...les || []));
const allRules = ruleArrays.reduce((all, x) => all.concat(x), []);
return allRules.filter((x) => containsAny(normalize(x.selectorText), logicalORs));
};
})();
Here's it in action from the Chrome console.
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How to select following sibling/xml tag using xpath
...ss in the value of the @class attribute, the predicate to use is: contains(concat(' ', @class, ' '), ' name ') . But in this question the @class attributes do have only single values.
– Dimitre Novatchev
Jun 15 '15 at 15:17
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.NET / C# - Convert char[] to string
... 'o', 'c', 'k', '-', '&', '-', 'R', 'o', 'l', 'l' };
string s = String.Concat( c );
Debug.Assert( s.Equals( "Rock-&-Roll" ) );
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How to get the URL without any parameters in JavaScript?
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You can concat origin and pathname, if theres present a port such as example.com:80, that will be included as well.
location.origin + location.pathname
sha...
How to add additional fields to form before submit?
...orm = $(this).closest('form');
form = form.serializeArray();
form = form.concat([
{name: "customer_id", value: window.username},
{name: "post_action", value: "Update Information"}
]);
$.post('/change-user-details', form, function(d) {
if (d.error) {
alert("There was a problem ...
Is Chrome's JavaScript console lazy about evaluating arrays?
... // and arr2 changes, then later value might be shown
4. arr.concat() // a new array is created, but same issue as slice(0)
5. JSON.stringify(arr) // works well as it takes a snapshot of the whole array
// or object, and the format shows the exact struct...
GetProperties() to return all properties for an interface inheritance hierarchy
...return type.GetProperties();
return (new Type[] { type })
.Concat(type.GetInterfaces())
.SelectMany(i => i.GetProperties());
}
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Get all table names of a particular database by SQL query?
...n I have different table schemata within one database (SQL Server): SELECT CONCAT(TABLE_SCHEMA, '.', TABLE_NAME) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_CATALOG='MyDB'
– Verena Haunschmid
Aug 10 '15 at 8:08
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