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Is there a way to automatically build the package.json file for Node.js projects
...m init to generate package.json files for you!
It comes bundled with npm. Read its documentation here: https://docs.npmjs.com/cli/init
Also, there's an official tool you can use to generate this file programmatically: https://github.com/npm/init-package-json
...
How to map and remove nil values in Ruby
...ap { |x| process_x url }
"Ruby 2.7 adds Enumerable#filter_map" is a good read on the subject, with some performance benchmarks against some of the earlier approaches to this problem:
N = 1_00_000
enum = 1.upto(1_000)
Benchmark.bmbm do |x|
x.report("select + map") { N.times { enum.select { |i| ...
How can I calculate an md5 checksum of a directory?
... ls -alR dir | md5sum . This is even better no compression just a read. It is unique because the content contains the mod time and size of file ;)
– Sid
Oct 3 '12 at 1:14
...
Java Enum Methods - return opposite direction enum
...
For a small enum like this, I find the most readable solution to be:
public enum Direction {
NORTH {
@Override
public Direction getOppositeDirection() {
return SOUTH;
}
},
SOUTH {
@Override
public Direc...
Get user info via Google API
...rvice.Scope.PlusLogin,"https://www.googleapis.com/auth/plus.profile.emails.read" }
});
TokenResponse _token = flow.ExchangeCodeForTokenAsync("", code, "postmessage",
CancellationToken.None).Result;
// Cre...
Is there a destructor for Java?
...ave a look at the try-with-resources statement. For example:
try (BufferedReader br = new BufferedReader(new FileReader(path))) {
System.out.println(br.readLine());
} catch (Exception e) {
...
} finally {
...
}
Here the resource that is no longer needed is freed in the BufferedReader.close(...
How do I uniquely identify computers visiting my web site?
...correct. This does not give you the answer on a plate. It requires further reading, understanding of all the issues involved and why a simple code snippet is unlikely to ever completely work. An enterprising developer might write a library which does all the hard work, and enable people searching fo...
Why would a static nested interface be used in Java?
... say this because I like to keep my classes short and to the point. Also a reader can see what other entities are related to a class by looking at the classes in the package. I'd probably have a package java.collections.map for maps. This is about OO and modularity. java.util has too much in it. uti...
Getting the first character of a string with $str[0]
...orter and is easier to remember than substr($str, 0, 1), this confuses who reads the code.
– trante
Nov 2 '13 at 10:13
10
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install / uninstall APKs programmatically (PackageManager vs Intents)
...rings up the standard Android install/remove dialogs. Those details have already been handled - I'm looking for the "just **** install this package" and "just **** remove this package" functions, literally no questions asked.
– dascandy
Oct 11 '11 at 7:37
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