大约有 22,000 项符合查询结果(耗时:0.0371秒) [XML]
What's the difference between `raw_input()` and `input()` in Python 3?
...
In Python 2, raw_input() returns a string, and input() tries to run the input as a Python expression.
Since getting a string was almost always what you wanted, Python 3 does that with input(). As Sven says, if you ever want the old behaviour, eval(input()) wo...
How do you append to an already existing string?
I want append to a string so that every time I loop over it will add say "test" to the string.
7 Answers
...
In Ruby how do I generate a long string of repeated text?
What is the best way to generate a long string quickly in ruby? This works, but is very slow:
2 Answers
...
How to clear MemoryCache?
...
public class SignaledChangeEventArgs : EventArgs
{
public string Name { get; private set; }
public SignaledChangeEventArgs(string name = null) { this.Name = name; }
}
/// <summary>
/// Cache change monitor that allows an app to fire a change notification
...
Can Json.NET serialize / deserialize to / from a stream?
...n I was getting when I was serializing a very large object collection to a string, and then writing that string into my stream (instead of just serializing directly to the stream).
– Jon Schneider
Apr 14 '16 at 19:50
...
JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
...y the problem was in ApplesDO Class:
public class ApplesDO {
private String apple;
public String getApple() {
return apple;
}
public void setApple(String apple) {
this.apple = apple;
}
public ApplesDO(CustomType custom) {
//constructor Code
}
...
Jackson: how to prevent field serialization
... This answer previously suggested using transient (as in private transient String password;) but transient fields with public getters are ignored unless MapperFeature.PROPAGATE_TRANSIENT_MARKER is enabled.
– tom
Oct 11 '17 at 22:58
...
Turning a string into a Uri in Android
I have a string, 'songchoice' . I want it to become a 'Uri' so I can use with MediaPlayer.create(context, Uri)
2 Answers
...
Import pandas dataframe column as string not int
I would like to import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
...
Regular Expression for alphanumeric and underscores
I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores.
...