大约有 45,000 项符合查询结果(耗时:0.0980秒) [XML]
What is database pooling?
I just wanted to know the concept of database connection pooling and how it is achieved.
6 Answers
...
difference between scope and namespace of ruby-on-rails 3 routing
I can't understand what the difference is between a namespace and a scope in the routing of ruby-on-rails 3.
5 Answers
...
Why does String.valueOf(null) throw a NullPointerException?
...ring.valueOf(Object)
String.valueOf(char[])
Java Specification Language mandates that in these kind of cases, the most specific overload is chosen:
JLS 15.12.2.5 Choosing the Most Specific Method
If more than one member method is both accessible and applicable to a method invocation, it is n...
AngularJS toggle class using ng-class
... @Stewie Faaakin gorgeous mate, love how it looks like real code and not some bastardized expression markup :D
– mattdlockyer
Jan 21 '14 at 17:33
...
Create a File object in memory from a string in Java
... file - passing an "empty" File object won't work.
– Andrei Volgin
Nov 5 '19 at 17:16
add a comment
|
...
How to retrieve inserted id after inserting row in SQLite using Python?
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
What is the meaning of the prefix N in T-SQL statements and when should I use it?
... This denotes that the subsequent string is in Unicode
(the N actually stands for National language character set). Which
means that you are passing an NCHAR, NVARCHAR or NTEXT value, as
opposed to CHAR, VARCHAR or TEXT.
To quote from Microsoft:
Prefix Unicode character string constants ...
Can you 'exit' a loop in PHP?
... @Gabriel: I am posting code directly referenced in the PHP manual, and it accurately shows the usage of the break statement.
– TheTXI
Feb 26 '09 at 2:52
...
Use JAXB to create Object from XML String
...
To pass XML content, you need to wrap the content in a Reader, and unmarshal that instead:
JAXBContext jaxbContext = JAXBContext.newInstance(Person.class);
Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
StringReader reader = new StringReader("xml string here");
Person pe...
Should I use AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory?
...Today I was observing a customer over a remote (terminal services) session and exe2 failed to run 'File not found' error, yet exe1 was in the same directory when we checked. So should I be using AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory ?
...