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Map enum in JPA with fixed values?
...nverter.
Create an enumerated class like so:
public enum NodeType {
ROOT("root-node"),
BRANCH("branch-node"),
LEAF("leaf-node");
private final String code;
private NodeType(String code) {
this.code = code;
}
public String getCode() {
return code;
...
nginx: send all requests to a single html page
...ke sure that you've got no old extra files sitting around in your document root directory, or they'll get served directly if queried.
– Alex Howansky
Aug 11 '11 at 14:47
22
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How do you organise multiple git repositories, so that all of them are backed up together?
...stem hierarchy including its own bin and lib dirs. There is script in the root of this tree that will setup your environment to add these bin, lib, etc... other dirs to the proper environment variables. So the root directory essentially looks like:
./bin/ # prepended to $PATH
./lib/ ...
Permission denied on accessing host directory in Docker
...preferred solution is to start the container with an entrypoint running as root, fix the uid/gid of the user inside the container to match the host volume uid/gid, and then use gosu to drop from root to the container user to run the application inside the container. The important script for this is ...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...结构体或类的成员变量。如果必须使用，一定要认真考虑如何分配和释放。
5．下面介绍一种比较复杂的情况，利于对问题的深入理解。例如我们现在用到的ICF底层库就有很多类似下面的函数：
void CTestDlg::GetString(BSTR* state)
...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
...
Have you tried killing these zombie processes as root? I rebooted before I thought of doing it.
– Ryan H.
Jan 13 '12 at 16:34
1
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Execute a terminal command from a Cocoa app
...n use this method like this:
NSString *output = runCommand(@"ps -A | grep mysql");
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Convert form data to JavaScript object with jQuery
...ou're trying to serialize Rails-like forms, you may want to remove element root from the generated keys. To achieve that, I've added a new param keyMap and the following line: key = if keyMap? then keyMap(@name) else @name. Now you can pass mapping function like (name) -> name.match(/\[([^\]]+)]/...
Does using final for variables in Java improve garbage collection?
...sweep GC algorithm, which has to examine all the live refereces in the GC "root" locations (like all the objects in the current call stack). Each live object is "marked" as being alive, and any object referred to by a live object is also marked as being alive.
After the completion of the mark phase...
Alter Table Add Column Syntax
... To clarify, the 'COLUMN' keyword is only valid (but not required) in MySQL.
– ethanbustad
Feb 12 '15 at 21:28
4
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