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How to get screen dimensions as pixels in Android
...up looking at his open source project that can be found here: https://code.google.com/p/enh/
Here's all the relevant code:
WindowManager w = activity.getWindowManager();
Display d = w.getDefaultDisplay();
DisplayMetrics metrics = new DisplayMetrics();
d.getMetrics(metrics);
// since SDK_INT = 1;
w...
What is the memory consumption of an object in Java?
...n overhead of 16 bytes on 32-bit systems (and 24-byte on 64-bit systems).
http://algs4.cs.princeton.edu/14analysis/ is a good source of information. One example among many good ones is the following.
http://www.cs.virginia.edu/kim/publicity/pldi09tutorials/memory-efficient-java-tutorial.pdf is a...
Truncating all tables in a Postgres database
...t in turn? You would probably have to write a PL/pgSQL script to do this.
http://www.postgresql.org/docs/8.3/static/plpgsql-statements.html (section 38.5.4. Executing Dynamic Commands)
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impr...
Does C# have an equivalent to JavaScript's encodeURIComponent()?
...eDataString("Stack Overflow++")
-> "Stack%20Overflow%2B%2B"
For a x-www-form-urlencoded query name or value, in a POST content:
System.Net.WebUtility.UrlEncode("Stack Overflow++")
-> "Stack+Overflow%2B%2B"
sha...
Get fragment (value after hash '#') from a URL in php [closed]
...r anchor as shown in a user's browser: This isn't possible with "standard" HTTP as this value is never sent to the server (hence it won't be available in $_SERVER["REQUEST_URI"] or similar predefined variables). You would need some sort of JavaScript magic on the client side, e.g. to include this va...
Headless Browser and scraping - solutions [closed]
...
If Ruby is your thing, you may also try:
https://github.com/chriskite/anemone (dev stopped)
https://github.com/sparklemotion/mechanize
https://github.com/postmodern/spidr
https://github.com/stewartmckee/cobweb
http://watirwebdriver.com/ (Selenium)
also, Nokogiri g...
How to split a long regular expression into multiple lines in JavaScript?
...otocol
+ /(?:([^:\n\r]+):([^@\n\r]+)@)?/.source // user:pass
+ /(?:(?:www\.)?([^\/\n\r]+))/.source // domain
+ /(\/[^?\n\r]+)?/.source // request
+ /(\?[^#\n\r]*)?/.source // query
+ /(#?[^\n\r]*)?/.source // anchor
);
or if you want ...
What is Persistence Context?
...hough Hibernate-related (a JPA provider), I think these links are useful:
http://docs.jboss.org/hibernate/core/4.0/devguide/en-US/html/ch03.html
http://docs.jboss.org/hibernate/entitymanager/3.5/reference/en/html/architecture.html
In Java EE, a persistence context is normally accessed via an Enti...
How do I assign a port mapping to an existing Docker container?
...s approach. You can also change the restart flag here.
P.S. You may visit https://docs.docker.com/engine/admin/ to learn how to correctly restart your docker engine as per your host machine. I used sudo systemctl restart docker to restart my docker engine that is running on Ubuntu 16.04
...
What does it mean when an HTTP request returns status code 0?
What does it mean when JavaScript network calls such as fetch or XMLHttpRequest, or any other type of HTTP network request, fail with an HTTP status code of 0?
...