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How to find an available port?
..."listening on port: " + s.getLocalPort());
If you want to use a specific set of ports, then the easiest way is probably to iterate through them until one works. Something like this:
public ServerSocket create(int[] ports) throws IOException {
for (int port : ports) {
try {
...
Proxy with express.js
...ers,
};
const creq = http
.request(options, pres => {
// set encoding
pres.setEncoding('utf8');
// set http status code based on proxied response
ores.writeHead(pres.statusCode);
// wait for data
pres.on('data', chunk => {
ores.write(chunk...
How do I call some blocking method with a timeout in Java?
...aving that thread hanging. In that case you should make sure the thread is set to be a Daemon thread. This way the thread will not stop your application from terminating.
Use non blocking Java APIs. So for network for example, use NIO2 and use the non blocking methods. For reading from the console ...
Is a url query parameter valid if it has no value?
...ilent on the contents of the query string, other than to specify the legal set of characters, and those that have special meaning. Specifically, it says that the "query component is a string of information to be interpreted by the resource," implying that its definition is dependent on the protocol,...
ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat
... name="Theme.Styled" parent="@style/Theme.AppCompat.Light">
<!-- Setting values in the android namespace affects API levels 11+ -->
<item name="android:actionBarStyle">@style/Widget.Styled.ActionBar</item>
</style>
<style name="Widget.Styled.ActionBar" parent="...
When should you NOT use a Rules Engine? [closed]
...
I get very nervous when I see people using very large rule sets (e.g., on the order of thousands of rules in a single rule set). This often happens when the rules engine is a singleton sitting in the center of the enterprise in the hope that keeping rules DRY will make them accessib...
How to debug apk signed for release?
...
Be sure that android:debuggable="true" is set in the application tag of your manifest file, and then:
Plug your phone into your computer and enable USB debugging on the phone
Open eclipse and a workspace containing the code for your app
In Eclipse, go to Window->...
z-index not working with fixed positioning
...e value are stacked according to appearance in the HTML)
So you can
set a z-index of -1, for #under positioned -ve z-index appear behind non-positioned #over element
set the position of #over to relative so that rule 5 applies to it
The Real Problem
Developers should know the following be...
How to move git repository with all branches from bitbucket to github?
...e mirrored clone of the repository
cd repository-to-mirror.git
git remote set-url --push origin https://github.com/exampleuser/mirrored
# Set the push location to your mirror
git push --mirror
As Noted in the comments by L S:
it is easier to use the Import Code feature from GitHub described by...
Expand a div to fill the remaining width
...idden instead. Any overflow value other than visible makes the block it's set on become a BFC. BFCs don't allow descendant floats to escape them, nor do they allow sibling/ancestor floats to intrude into them. The net effect here is that the floated div will do its thing, then the second div will...