大约有 45,000 项符合查询结果（耗时：0.0693秒） [XML]
Finding last occurrence of substring in string, replacing that
...format, and I want to find the last "." character in each one, and replace it with ". - ". I've tried using rfind, but I can't seem to utilize it properly to do this.
...
Downcasting in Java
...
Downcasting is allowed when there is a possibility that it succeeds at run time:
Object o = getSomeObject(),
String s = (String) o; // this is allowed because o could reference a String
In some cases this will not succeed:
Object o = new Object();
String s = (String) ...
How do I reset a sequence in Oracle?
...ble AFAIK. (Please correct me if I'm wrong!).
However, if you want to set it to 0, you can just delete and recreate it.
If you want to set it to a specific value, you can set the INCREMENT to a negative value and get the next value.
That is, if your sequence is at 500, you can set it to 100 via
...
When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...ces ACID. So, you will have schema based transaction oriented data stores. It's proven and suitable for 99% of the real world applications. You can practically do anything with relational databases.
But, there are limitations on speed and scaling when it comes to massive high availability data stor...
Best way to extract a subvector from a vector?
Suppose I have a std::vector (let's call it myVec ) of size N . What's the simplest way to construct a new vector consisting of a copy of elements X through Y, where 0
...
Can't import my own modules in Python
...d time understanding how module importing works in Python (I've never done it in any other language before either).
9 Answe...
Detect rotation of Android phone in the browser with JavaScript
...ndow.orientation property to figure out which way the device is oriented. With Android phones, screen.width or screen.height also updates as the device is rotated. (this is not the case with the iPhone).
share
|
...
Java Pass Method as Parameter
...
Edit: as of Java 8, lambda expressions are a nice solution as other answers have pointed out. The answer below was written for Java 7 and earlier...
Take a look at the command pattern.
// NOTE: code not tested, but I believ...
The located assembly's manifest definition does not match the assembly reference
I am trying to run some unit tests in a C# Windows Forms application (Visual Studio 2005), and I get the following error:
5...
How to use ConcurrentLinkedQueue?
...ly; your producer(s) adds data into the queue, and your consumers poll for it.
First, create your queue:
Queue<YourObject> queue = new ConcurrentLinkedQueue<YourObject>();
Now, wherever you are creating your producer/consumer objects, pass in the queue so they have somewhere to put thei...