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编译失败！ Error: Your build failed due to an error in the AAPT stage,...
...appinventor.buildserver.BuildServer build
[java] INFO: Build output: ________Preparing application icon<br>________Creating animation xml<br>________Creating style xml<br>________Creating provider_path xml<br>________Creating network_security_config ...
How to define optional methods in Swift protocol?
... protocol as "@objc" do not work when using swift-specific types.
struct Info {
var height: Int
var weight: Int
}
@objc protocol Health {
func isInfoHealthy(info: Info) -> Bool
}
//Error "Method cannot be marked @objc because the type of the parameter cannot be represented in Obj...
Interface or an Abstract Class: which one to use?
... $FirstName;
public $BirthDate;
abstract protected function write_info();
}
final class employee extends person{
public $EmployeeNumber;
public $DateHired;
public function write_info(){
//sql codes here
echo "Writing ". $this->LastName . "'s info to emloyee...
How to print time in format: 2009‐08‐10 18:17:54.811
...gt;
int main()
{
time_t timer;
char buffer[26];
struct tm* tm_info;
timer = time(NULL);
tm_info = localtime(&timer);
strftime(buffer, 26, "%Y-%m-%d %H:%M:%S", tm_info);
puts(buffer);
return 0;
}
For milliseconds part, have a look at this question. How to mea...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
...hdf", "application/x-hdf"},
{"hqx", "application/mac-binhex40"},
{"htm", "text/html"},
{"html", "text/html"},
{"ice", "x-conference/x-cooltalk"},
{"ico", "image/x-icon"},
{"ics", "text/calendar"},
{"ief", "image/ief"},
{"ifb", "text/calendar"},
{"iges", "model/ige...
Python logging: use milliseconds in time format
...age)s', datefmt='%Y-%m-%d %H:%M:%S')
log = logging.getLogger(__name__)
log.info("Logging Info")
log.debug("Logging Debug")
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
... self or any seed (EMPTYCONFIG)
Sun Dec 29 20:12:02.953 [rsStart] replSet info you may need to run replSetInitiate -- rs.initiate() in the shell -- if that is not already done
5、初始化副本集
在三台机器上任意一台机器登陆mongodb
/data/mongodbtest/mongodb-linux-x86_64-2...
Git and nasty “error: cannot lock existing info/refs fatal”
...
I've added some background info, but I must honestly say I don't know exactly why and how this works :)
– arno_v
Jan 12 '18 at 7:36
...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
...ow to run maven from console
> cd path-to-pom.xml
> mvn test
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Building Simple
[INFO] task-segment: [test]
[INFO] -------------------------------------...
How to check if command line tools is installed
...lect -p 1>/dev/null;echo $?
10.9 Mavericks Update:
Use pkgutil --pkg-info=com.apple.pkg.CLTools_Executables
10.8 Update:
Option 1: Rob Napier suggested to use pkgutil --pkg-info=com.apple.pkg.DeveloperToolsCLI, which is probably cleaner.
Option 2: Check inside /var/db/receipts/com.apple.pkg...