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Get users by name property using Firebase
... the list at online-b-cards/users.
Rather than using push here, I would recommend using set, and storing the data for each user using a unique key, such as the user's email address. Then you can access the user's data directly by navigating to online-b-cards/users/<email> via the Firebase JS ...
How to detect a loop in a linked list?
...of the fast node at fixed intervals.
The description is available here : http://www.siafoo.net/algorithm/11
Brent claims that his algorithm is 24 to 36 % faster than the Floyd's cycle algorithm.
O(n) time complexity, O(1) space complexity.
public static boolean hasLoop(Node root){
if(root ==...
How do I run a simple bit of code in a new thread?
...ework 4.0+ just use Task.Run(), as described in this answer: stackoverflow.com/a/31778592/1633949
– Richard II
Oct 25 '19 at 13:58
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show 3 ...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...ot a standard. It is a Google product that is being released to the wider community. It is a bit limited in terms of languages supported out of the box (it only supports C++, Python and Java) but it does have a lot of third-party support for other languages (of highly variable quality). Google do...
What is the Java equivalent for LINQ? [closed]
... makes LINQ sooo nice is how deeply it is integrated into the language and compiler
– AgileJon
Aug 1 '09 at 18:59
11
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How to avoid overflow in expr. A * B - C * D
...entation that can't overflow, either by using a long integer library (e.g. http://gmplib.org/) or representing using a struct or array and implementing a kind of long multiplication (i.e. separating each number to two 32bit halves and performing the multiplication as below:
(R1 + R2 * 2^32 + R3 * 2...
How to get a list of current open windows/process with Java?
...
This is another approach to parse the the process list from the command "ps -e":
try {
String line;
Process p = Runtime.getRuntime().exec("ps -e");
BufferedReader input =
new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = input.readL...
Force update of an Android app when a new version is available
... Play Store. When an update version is available, the older version will become unusable – that is, if users do not update the app, they do not enter in the app. How can I force users to update the app when a new version becomes available?
...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...
Here's an example: github.com/heroku/node-js-getting-started/blob/master/index.js
– Pablo
Apr 28 '16 at 11:39
3
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Navigation Drawer (Google+ vs. YouTube)
...oman Nurik (an Android design engineer at Google) has confirmed that the recommended behavior is to not move the Action Bar when opening the drawer (like the YouTube app). See this Google+ post.
Edit #1:
I answered this question a while ago, but I'm back to re-emphasize that Prixing has the best...