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How to read all files in a folder from Java?
...e/you/Desktop");
listFilesForFolder(folder);
Files.walk API is available from Java 8.
try (Stream<Path> paths = Files.walk(Paths.get("/home/you/Desktop"))) {
paths
.filter(Files::isRegularFile)
.forEach(System.out::println);
}
The example uses try-with-resources patte...
How to call getClass() from a static method in Java?
...afe...
Caution when using this in a Base Class that other classes inherit from:
It is also worth noting that if this snippet is shaped as a static method of some base class then currentClass value will always be a reference to that base class rather than to any subclass that may be using that meth...
What is object serialization?
...when you want to transmit one object data across the network, for instance from one JVM to another.
In Java, the serialization mechanism is built into the platform, but you need to implement the Serializable interface to make an object serializable.
You can also prevent some data in your object fr...
Best way to merge two maps and sum the values of same key?
...p is just a set of values, together with an operator that takes two values from that set, and produces another value from that set. So integers under addition are a semigroup, for example - the + operator combines two ints to make another int.
You can also define a semigroup over the set of "all m...
`Apache` `localhost/~username/` not working
...to use PHP on Yosemite, you'll likely have to uncomment the following line from /etc/apache2/httpd.conf: LoadModule php5_module libexec/apache2/libphp5.so
– Joshua Pinter
Sep 6 '14 at 1:01
...
A cron job for rails: best practices?
...sts..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler as desired.
Update this is quite an old question and answer! Some new info:
the heroku cron service ...
Remove HTML Tags from an NSString on the iPhone
There are a couple of different ways to remove HTML tags from an NSString in Cocoa .
22 Answers
...
Archives not showing up in Organizer for Xcode 4
...me a few days to finally figure this out as I placed my XCode source files from a Windows shared folder, but the Archives folder is on the local Mac, which caused archives not picked up by Organizer.
Thanks to @Smikey & @Ralph B & @Scott McMillin
...
Generate JSON string from NSDictionary in iOS
...5.0 and Mac OS X 10.7. See NSJSONSerialization.
To generate a JSON string from a NSDictionary or NSArray, you do not need to import any third party framework anymore.
Here is how to do it:
NSError *error;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dictionaryOrArrayToOutput
...
How can I String.Format a TimeSpan object with a custom format in .NET?
...self must be escaped unless you're using a verbatim string).
This excerpt from the MSDN Custom TimeSpan Format Strings page explains about escaping the ":" and "." characters in a format string:
The custom TimeSpan format specifiers do not include placeholder separator symbols, such as the symb...