大约有 23,000 项符合查询结果(耗时:0.0397秒) [XML]

https://stackoverflow.com/ques... 

Can I set enum start value in Java?

...SE_ORDINAL; } }; public class TestEnum { public static void main (String... args){ for (ids i : new ids[] { ids.OPEN, ids.CLOSE }) { System.out.println(i.toString() + " " + i.ordinal() + " " + i.getCode()); } } } OPEN 0 10...
https://stackoverflow.com/ques... 

How to prompt for user input and read command-line arguments [closed]

... In Python 2.7, input() doesn't convert values to strings. So if you try to do this: input_variable1 = input ("Enter the first word or phrase: "), you will get an error: Traceback (most recent call last): return eval(raw_input(prompt)) File "<string>", line 1,...
https://stackoverflow.com/ques... 

Reflection generic get field value

... I use the reflections in the toString() implementation of my preference class to see the class members and values (simple and quick debugging). The simplified code I'm using: @Override public String toString() { StringBuilder sb = new StringBuilder()...
https://stackoverflow.com/ques... 

Devise Secret Key was not set

...;%= ENV["SECRET_KEY_BASE"] %> After: production: secret_key_base: string of charaters Of course, that should be set to the environment variable, which I will set later, but this at least got it running. I got my string by using bundle exec rake secret. ...
https://stackoverflow.com/ques... 

How can I get zoom functionality for images?

... public class TouchImageView extends ImageView { private static final String TAG = "Touch"; // These matrices will be used to move and zoom image Matrix matrix = new Matrix(); Matrix savedMatrix = new Matrix(); // We can be in one of these 3 states static final int NONE = 0...
https://stackoverflow.com/ques... 

Is there documentation for the Rails column types?

... Guidelines built from personal experience: String: Limited to 255 characters (depending on DBMS) Use for short text fields (names, emails, etc) Text: Unlimited length (depending on DBMS) Use for comments, blog posts, etc. General rule of thumb: if it's captured v...
https://stackoverflow.com/ques... 

Convert Pandas column containing NaNs to dtype `int`

... The OP wants a column of integers. Converting it to string does not meet the condition. – Rishab Gupta Feb 21 '19 at 1:33 1 ...
https://stackoverflow.com/ques... 

Creating a “logical exclusive or” operator in Java

...new operators in Java. Edit: Here's an example: public static void main(String[] args) { boolean[] all = { false, true }; for (boolean a : all) { for (boolean b: all) { boolean c = a ^ b; System.out.println(a + " ^ " + b + " = " + c); } } } Ou...
https://stackoverflow.com/ques... 

Laravel: Get base url

...); 2. Accessing The Current URL // Get the current URL without the query string. echo url()->current(); // Get the current URL including the query string. echo url()->full(); // Get the full URL for the previous request. echo url()->previous(); 3. URLs For Named Routes // http://exampl...
https://stackoverflow.com/ques... 

Android on-screen keyboard auto popping up

... <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".Main" android:label="@string/app_name" android:windowSoftInputMode="stateHidden" > This works for Android 3.0, 3.1, 3.2, 4.0 ...