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Difference between volatile and synchronized in Java
...nchronized with respect to memory visibility and instruction ordering (see http://www.cs.umd.edu/users/pugh/java/memoryModel/jsr-133-faq.html#volatile). For the purposes of visibility, each access to a volatile field acts like half a synchronization.
Under the new memory model, it is still true...
What is the parameter “next” used for in Express?
..., but this helped
var app = require("express")();
app.get("/", function(httpRequest, httpResponse, next){
httpResponse.write("Hello");
next(); //remove this and see what happens
});
app.get("/", function(httpRequest, httpResponse, next){
httpResponse.write(" World !!!");
httpRes...
What is the purpose of the reader monad?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
java.net.ConnectException: Connection refused
...to connect to it through an android emulator by specifying proper URL like http://localhost/my_api/login.php . And I was getting connection refused error"
Point to note - When I just went to browser on the PC and use the same URL (http://localhost/my_api/login.php) I was getting correct response
s...
Is it possible to have multiple statements in a python lambda expression?
...
Using begin() from here: http://www.reddit.com/r/Python/comments/hms4z/ask_pyreddit_if_you_were_making_your_own/c1wycci
Python 3.2 (r32:88445, Mar 25 2011, 19:28:28)
[GCC 4.5.2] on linux2
Type "help", "copyright", "credits" or "license" for more in...
Heavy usage of Python at Google [closed]
...
Time travel FTW: web.archive.org/web/20091222094118/http://labs.google.com/…
– Jess Telford
Apr 17 '12 at 3:47
...
What is a postback?
...directed back). The non-interactive part is done using a 'postback', or an HTTP POST from site 2's servers to site 1's servers.
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How to decide when to use Node.js?
...e attended that the Node.js benchmarks closely rival Nginx for regular old HTTP requests. So if we build with Node.js, we can serve our normal resources quite effectively, and when we need the event-driven stuff, it's ready to handle it.
Plus it's all JavaScript all the time. Lingua Franca on the...
How can I view live MySQL queries?
...HERE COMMAND != 'Sleep' AND INFO LIKE '%UPDATE %';
For full details see: http://dev.mysql.com/doc/refman/5.1/en/processlist-table.html
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How to create a memory leak in Java?
...p a hard reference back to the guarded object.
Using java.net.URL with the HTTP(S) protocol and loading the resource from(!). This one is special, the KeepAliveCache creates a new thread in the system ThreadGroup which leaks the current thread's context classloader. The thread is created upon the fi...