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Singleton pattern in nodejs - is it needed?
I recently came across this article on how to write a singleton in Node.js. I know the documentation of require states that:
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SQlite Getting nearest locations (with latitude and longitude)
...ed to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calculate 4 locations that are in radius meter of the north, west, east and south of your central point in your java code and then chec...
CMake: How to build external projects and include their targets
...dited Jan 25 '15 at 11:55
DavidPostill
6,75288 gold badges3333 silver badges4949 bronze badges
answered Mar 2 '13 at 15:22
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What is the relationship between Looper, Handler and MessageQueue in Android?
...is a utility class that facilitates interacting with a Looper—mainly by posting messages and Runnable objects to the thread's MessageQueue. When a Handler is created, it is bound to a specific Looper (and associated thread and message queue).
In typical usage, you create and start a HandlerThread...
How to differ sessions in browser-tabs?
...ab has his own Id.
Data stored using sessionStorage do not persist across browser tabs,
even if two tabs both contain webpages from the same domain origin. In
other words, data inside sessionStorage is confined to not just the
domain and directory of the invoking page, but the browser tab...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
...d how many open WebSocket connections a server can handle. Maybe leaving those connections open isn't a problem in reality, but it feels like it is.
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Custom toast on Android: a simple example
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really anybody could explain purpose of findViewById(R.id.toast_layout_root)? it's gonna be null anyway, and it works perfectly well with just passing null
– sergey.n
Oct 2 '17 at 17:36
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How does the main() method work in C?
...ignatures for main, as well as variable-length argument lists, is one of those features.
Programmers noticed that they can pass extra arguments to a function, and nothing bad happens with their given compiler.
This is the case if the calling conventions are such that:
The calling function cleans...
How to gracefully handle the SIGKILL signal in Java
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It is impossible for any program, in any language, to handle a SIGKILL. This is so it is always possible to terminate a program, even if the program is buggy or malicious. But SIGKILL is not the only means for terminating a program. ...
The difference between fork(), vfork(), exec() and clone()
... it true that fork() calls clone() internally?
– gronostaj
Apr 5 '14 at 14:32
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vfork avoids the...