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GLib compile error (ffi.h), but libffi is installed
...
If you have a Debian-based Linux OS with apt-get:
sudo apt-get install libffi-dev
With a Redhat-base OS:
yum install libffi-devel
With Alpine Linux:
apk add libffi-dev
share
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Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
Java is an optional package on the latest versions of macOS.
26 Answers
26
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How do I run a node.js app as a background service?
Since this post has gotten a lot of attention over the years, I've listed the top solutions per platform at the bottom of this post.
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Java NIO FileChannel versus FileOutputstream performance / usefulness
...leChannel.transferFrom(). The key advantage here is that the JVM uses the OS's access to DMA (Direct Memory Access), if present. (This is implementation dependent, but modern Sun and IBM versions on general purpose CPUs are good to go.) What happens is the data goes straight to/from disc, to the b...
How to get JSON response from http.Get
...t.Get(url)
if err != nil {
return err
}
defer r.Body.Close()
return json.NewDecoder(r.Body).Decode(target)
}
Example use:
type Foo struct {
Bar string
}
func main() {
foo1 := new(Foo) // or &Foo{}
getJson("http://example.com", foo1)
println(foo1.Bar)
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What is the correct file extension for GLSL shaders? [closed]
I'm learning glsl shading and I've come across different file formats. I've seen people giving their vertex and fragment shaders .vert and .frag extensions. But I've also seen .vsh and .fsh extensions, and even both shaders together in a single .glsl file. So I'm wondering if there is a st...
Making the Android emulator run faster
...add: -qemu -m 512 -enable-kvm (click Run)
P.S. For Fedora, for Ubuntu
OS-X:
In Android SDK Manager, install Intel x86 Atom System Image
In Android SDK Manager, install Intel x86 Emulator Accelerator (HAXM)
In finder, go to the install location of the Intel Emulator Accelerator and install Int...
How do I discover memory usage of my application in Android?
...() is our highest-level API for looking at overall memory usage. This is mostly there to help an application gauge how close the system is coming to having no more memory for background processes, thus needing to start killing needed processes like services. For pure Java applications, this should...
PDOException SQLSTATE[HY000] [2002] No such file or directory
...sql/mysql.sock'" to config/database.php
– Ángel Carlos del Pozo Muela
Jan 31 '18 at 12:23
hello community , i am gett...
Get Character value from KeyCode in JavaScript… then trim
...41 (according to, for example, http://www.utf8-chartable.de/). However, those are hex values, converting to decimal gives us a charcode of 65 for "A" and 97 for "a".[1] This is consistent with what we get from String.fromCharCode for these values.
My own requirement was limited to processing numb...