大约有 16,000 项符合查询结果（耗时：0.0226秒） [XML]
Replacement for Google Code Search? [closed]
...
Nobody used it to be honest. I may bring it back after I convert the code over in time.
– Ben Boyter
Jan 20 '17 at 2:04
add a comment
|
...
What's the best practice for primary keys in tables?
... of the little things matter. Just imagine if you have 1 billion rows with int or long pk's compared to using text or guid's. There's a huge difference!
– Logicalmind
Dec 3 '08 at 20:31
...
How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
...ve gotten accustomed to many of the Java IDEs ( Eclipse , NetBeans , and IntelliJ IDEA ) providing you with a command to generate a default constructor for a class based on the fields in the class.
...
Is a `=default` move constructor equivalent to a member-wise move constructor?
...
Yes both are the same.
But
struct Example {
int a, b;
Example(int mA, int mB) : a{mA}, b{mB} { }
Example(const Example& mE) = default;
Example(Example&& mE) = default;
Example& operator=(const Example& mE)...
How to create a DataTable in C# and how to add rows?
...ableName"); // 2
Add column to table:
MyTable.Columns.Add("Id", typeof(int));
MyTable.Columns.Add("Name", typeof(string));
Add row to DataTable method 1:
DataRow row = MyTable.NewRow();
row["Id"] = 1;
row["Name"] = "John";
MyTable.Rows.Add(row);
Add row to DataTable method 2:
MyTable.Rows...
Ruby class instance variable vs. class variable
...utomatic sharing throughout the class hierarchy.
Merging these together into a single example that also covers instance variables on instances:
class Parent
@@family_things = [] # Shared between class and subclasses
@shared_things = [] # Specific to this class
def self.family_thing...
How many parameters are too many? [closed]
... but too many of them will make your routine difficult to understand and maintain.
34 Answers
...
Is JavaScript an untyped language?
... if applicable, doesn't enforce correct typing. Without implicit compiler interjection, the instruction will error during run-time.
"12345" * 1 === 12345 // string * number => number
Strongly typed means there is a compiler, and it wants you an explicit cast from string to integer.
(int) "1...
Storing R.drawable IDs in XML array
...:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<integer-array name="random_imgs">
<item>@drawable/car_01</item>
<item>@drawable/balloon_random_02</item>
<item>@drawable/dog_03</item>
</integer-array>
...
How to plot two columns of a pandas data frame using points?
...e of a column of Timestamp values with millisecond precision. In trying to convert the objects to datetime64 type, I also discovered a nasty issue: < Pandas gives incorrect result when asking if Timestamp column values have attr astype >.
...