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Why does this go into an infinite loop?
...lue does indeed "exist," though it will never be "seen" on the executing thread.
The demo calls x = x++; in a loop while a separate thread continuously prints the value of x to the console.
public class Main {
public static volatile int x = 0;
public static void main(String[] args) {
...
node.js hash string?
...ar fs = require('fs');
var md5sum = crypto.createHash('md5');
var s = fs.ReadStream(filename);
s.on('data', function(d) {
md5sum.update(d);
});
s.on('end', function() {
var d = md5sum.digest('hex');
console.log(d + ' ' + filename);
});
...
How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
...e options, in roughly descending order of desirability.
Maybe It Exists Already
Always check DefinitelyTyped (https://github.com/DefinitelyTyped/DefinitelyTyped) first. This is a community repo full of literally thousands of .d.ts files and it's very likely the thing you're using is already there....
Heroku free account limited?
...file upload for several features in our app, but they do not save.
I have read on stackoverflow that "You are limited to 100MB of disk space, but you are not permitted to save any files (including user uploads) to disk because the filesystem is readonly. The 100MB of disk space is for your applicat...
Are PostgreSQL column names case-sensitive?
...tes around 'xyz'. Values (string literals) are enclosed in single quotes.
Read the manual here.
My standing advice is to use legal, lower-case names exclusively so double-quoting is not needed.
share
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How to stop/terminate a python script from running?
...in which sys.exit(1) doesn't stop the process. I basically have multiple threads and each of them blocks on external processes started by Popen. I need a nuclear option to kill all sub-processes created by the Python process as well as the Python process itself. Didn't find so far.
...
How to manually install an artifact in Maven 2?
..., in your context, you are fighting with a jar provided by Sun. You should read the Coping with Sun JARs page too. There, you'll learn how to help maven to provide you better information about Sun jars location and how to add Java.net Maven 2 repository which contains jta-1.0.1B.jar. Add this in you...
How to check if command line tools is installed
...will list the version 4.5.0.
[Mar 12 17:04] [jnovack@yourmom ~]$ defaults read /var/db/receipts/com.apple.pkg.DeveloperToolsCLI.plist
{
InstallDate = "2012-12-26 22:45:54 +0000";
InstallPrefixPath = "/";
InstallProcessName = Xcode;
PackageFileName = "DeveloperToolsCLI.pkg";
Pack...
Make an HTTP request with android
...(statusLine.getReasonPhrase());
}
If you want it to run on separate thread I'd recommend extending AsyncTask:
class RequestTask extends AsyncTask<String, String, String>{
@Override
protected String doInBackground(String... uri) {
HttpClient httpclient = new DefaultHttpCli...
How to align content of a div to the bottom
...der, which is useful to search engines, assistive technologies, and people reading the code.
– Patrick McElhaney
Jul 19 '17 at 16:38
...