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.append(), prepend(), .after() and .before()
...ng MVC like so: $("#viewPlaceHolder").append("/clients/RelationDropdown", {selected: selected });
– Djeroen
Oct 23 '15 at 19:37
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how to ignore namespaces with XPath
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You can use the local-name() XPath function. Instead of selecting a node like
/path/to/x:somenode
you can select all nodes and filter for the one with the correct local name:
/path/to/*[local-name() = 'somenode']
...
Why doesn't Dictionary have AddRange?
...ined =
dict1.Union(dict2)
.GroupBy(kvp => kvp.Key)
.Select(grp => grp.First())
.ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
The main trick when combining dictionaries is dealing with the duplicate keys. In the code above it's the part .Select(grp => g...
Unique (non-repeating) random numbers in O(1)?
... max
At each iteration, a random number r is selected between 0 and max, array[r] and array[max] are swapped, the new array[max] is returned, and max is decremented:
max = 10, r = 3
+--------------------+
v v
+--+--+--+--+--+--+...
Why does ReSharper want to use 'var' for everything?
...Dictionary<int,bool>>>> q = from t in d where t.Key == null select t; // OMG!
//vs.
var q = from t in d where t.Key == null select t;
// I simply want the first string, so the last version seems fine.
q.First().Key;
You must use var when there's an anonymous ty...
How add “or” in switch statements?
...sizes: 1=Small 2=Medium 3=Large");
Console.Write("Please enter your selection: ");
string s = Console.ReadLine();
int n = int.Parse(s);
int cost = 0;
switch(n)
{
case 1:
cost += 25;
break;
...
How to do a batch insert in MySQL
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Insert into table(col1,col2) select col1,col2 from table_2;
Please refer to MySQL documentation on INSERT Statement
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How to make a great R reproducible example
... X73 Class
1 A 266 960 Yes
2 A 373 315 No Notice the selection split
3 A 573 208 No (which can be turned off)
4 A 907 850 Yes
5 B 202 46 Yes
6 B 895 969 Yes <~~~ 70 % of selection is from the top rows
7 B 940 928 No
98 Y 37...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...