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Postgres could not connect to server
...e problem. I tried to uninstall postgres and install again, but it didn't work as well.
47 Answers
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How do emulators work and how are they written? [closed]
How do emulators work? When I see NES/SNES or C64 emulators, it astounds me.
16 Answers
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Setting HTTP headers
I'm trying to set a header in my Go web server. I'm using gorilla/mux and net/http packages.
8 Answers
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TCP loopback connection vs Unix Domain Socket performance
Working on an Android and iOS based application which require communication with a server running in the same device. Currently using TCP loopback connection for communicating with App and Server (App written in user layer, server written in C++ using Android NDK)
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How do you get the length of a list in the JSF expression language?
...on committee decided that, even though certain classes have size() members or length attributes, they won't implement getSize() or getLength() which JSF and most other standards require, you can't do what you want.
There's a couple ways to do this.
One: add a function to your Bean that returns the...
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...d quad, and evaluating curves in the shader is still computationally much more expensive than necessary.
The best trade-off between "fast" and "quality" are still textured quads with a signed distance field texture. It is very slightly slower than using a plain normal textured quad, but not so much...
Difference between a View's Padding and Margin
...margin!" It's the empty space between me and you. Don't come inside my comfort zone -- my margin.
To make it more clear, here is a picture of padding and margin in a TextView:
xml layout for the image above
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://sche...
How can I convert a long to int in Java?
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Updated, in Java 8:
Math.toIntExact(value);
Original Answer:
Simple type casting should do it:
long l = 100000;
int i = (int) l;
Note, however, that large numbers (usually larger than 2147483647 and smaller than -2147483648) will lose some of the bits and would be...
Get login username in java
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+1 you can print the System.properties to get a lot of informations the VM is initialized with
– Markus Lausberg
Apr 28 '09 at 12:15
3
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Is leaked memory freed up when the program exits?
If I programmed — without knowing it — a memory leak, and the application terminates, is the leaked memory freed?
6 Ans...