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Why is SCTP not much used/known
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Indeed, SCTP is used mostly in the telecom area. Traditionally, telecom switches use SS7 (Signaling System No. 7) to interconnect different entities in the telecom network. For example - the telecom provider's subscriber data base(HLR), with a swi...
how to prevent “directory already exists error” in a makefile when using mkdir
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"Generally, stick to the widely-supported (usually posix-specified) options and features of these programs. For example, don't use ‘mkdir -p’, convenient as it may be, because a few systems don't support it at all and with others, it is not safe for parallel execution. " ...
How do I concatenate multiple C++ strings on one line?
...stringstream ss;
ss << "Hello, world, " << myInt << niceToSeeYouString;
std::string s = ss.str();
Take a look at this Guru Of The Week article from Herb Sutter: The String Formatters of Manor Farm
share
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Convert string to integer type in Go?
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For example,
package main
import (
"flag"
"fmt"
"os"
"strconv"
)
func main() {
flag.Parse()
s := flag.Arg(0)
// string to int
i, err := strconv.Atoi(s)
if err != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt...
Copy folder recursively in node.js
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As an amazing bonus, one can use ncp in a cross platform npm run scripts.
– Ciantic
Mar 5 '16 at 9:56
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
...Greenfield's book Two scoops of Django.
I resolved the issue by setting
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "project_name.settings.local")
in manage.py and wsgi.py.
Update:
In the above solution, local is the file name (settings/local.py) inside my settings folder, which holds the...
How to print from GitHub
...h,%20.wiki-actions,%20%23last-edit,%20.actions,%20.header,.site-footer,.repository-sidebar,.file-navigation,.gh-header-meta,.gh-header-actions,#wiki-rightbar,#wiki-footer,.commit-tease').remove();%20$('%23files,%20.file').css(%7B%22background%22:%22none%22,%20%22border%22:%22none%22%7D);%20$('link')...
vagrant up failed, /dev/vboxnetctl: no such file or directory
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I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2.
This worked for me:
Grant permission to VirtualBox under System Preferences > Security & Privacy > General (this request is new to macOS High Sierra)
Open Terminal and r...
What can you use Python generator functions for?
I'm starting to learn Python and I've come across generator functions, those that have a yield statement in them. I want to know what types of problems that these functions are really good at solving.
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What is “android.R.layout.simple_list_item_1”?
...a reference to an built-in XML layout document that is part of the Android OS, rather than one of your own XML layouts.
Here is a further list of layouts that you can use:
http://developer.android.com/reference/android/R.layout.html
(Updated link thanks @Estel: https://github.com/android/platform_...