大约有 44,000 项符合查询结果（耗时：0.0817秒） [XML]
Make copy of an array
...Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
...
Is there a common Java utility to break a list into batches?
...s [[a, b, c], [d, e]] -- an outer list containing two inner lists of three and two elements, all in the original order.
share
|
improve this answer
|
follow
|...
Command line progress bar in Java
I have a Java program running in command line mode.
I would like to display a progress bar, showing the percentage of job done.
The same kind of progress bar you would see using wget under unix.
Is this possible?
...
Getting random numbers in Java [duplicate]
I would like to get a random value between 1 to 50 in Java.
2 Answers
2
...
Mapping many-to-many association table with extra column(s)
My database contains 3 tables:
User and Service entities have many-to-many relationship and are joined with the SERVICE_USER table as follows:
...
How can I save a screenshot directly to a file in Windows? [closed]
...
You can code something pretty simple that will hook the PrintScreen and save the capture in a file.
Here is something to start to capture and save to a file. You will just need to hook the key "Print screen".
using System;
using System.Drawing;
using System.IO;
using System.Drawing.Imaging;...
UICollectionView Set number of columns
...he default is set to 3 (iPhone/portrait). I've looked at the documentation and can't seem to find a concise answer.
17 Answ...
What is the apply function in Scala?
I never understood it from the contrived unmarshalling and verbing nouns ( an AddTwo class has an apply that adds two!) examples.
...
Keystore type: which one to use?
... from a browser or coming from OpenSSL-based tools (keytool wasn't able to convert a keystore and import its private keys before Java 6, so you had to use other tools).
If you already have a PKCS#12 file, it's often easier to use the PKCS12 type directly. It's possible to convert formats, but it's ...
Weird “[]” after Java method signature
I looked at some Java code today, and I found some weird syntax:
4 Answers
4
...