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Which terminal command to get just IP address and nothing else?
...ou know the interface, you could use:
~$ ipconfig getifaddr en0
192.168.1.123
which will return just the IP address.
Or you could loop over possible interface names, starting with a suffix, i.e. en:
for NUMBER in $(seq 0 5); do
ip=`ipconfig getifaddr en$NUMBER`
if [ -n "$ip" ]; then
...
Static Initialization Blocks
...nd makes some kinds of code a little more "solid." I program in Erlang for fun, and you get hooked on not needing local variables :-)
– Pointy
Mar 10 '10 at 21:47
...
Remove a symlink to a directory
...
123
ah yes. that makes sense. I never typed foo, I typed f<tab> and bash filled in a / for me.
– Matthew Scouten
...
How do I concatenate multiple C++ strings on one line?
...tring s = string("abc").append("def").append(otherStrVar).append(to_string(123));
– Patricio Rossi
Nov 12 '17 at 2:46
1
...
How do I dynamically assign properties to an object in TypeScript?
.../ the following is an error,
// so you haven't lost type safety
foo.bar = 123;
Alternatively you can mark these properties as optional:
interface IFoo{
bar?:string;
baz?:string;
boo?:string;
}
// Now your simple initialization works
var foo:IFoo = {};
Try it online
...
How can I make git do the “did you mean” suggestion?
...0/10), 1.17 KiB, done.
Total 10 (delta 6), reused 0 (delta 0)
Plus, it's fun to type anything with two exclamation points. So bonus for that.
Here's a gist with my script
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Inspect hovered element in Chrome?
...-script-execution which helped me:
In the console:, Run:
const F12 = 123
window.addEventListener('keydown', function(event) {
if (event.keyCode === F12 ) {
debugger;
}
});
Highlight element with inspector
Hit F12
You can now inspect the element, with JavaScri...
Why does Git treat this text file as a binary file?
...t isn't in basic ascii characters. Being UTF16 I expect that it will have 'funny' characters so it thinks it's binary.
There are ways of telling git if you have internationalisation (i18n) or extended character formats for the file. I'm not sufficiently up on the exact method for setting that - you...
Cookie overflow in rails application?
... :mem_cache_store, 'localhost', '127.0.0.1:11211',
{:namespace => 'myapp123'}
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How do I empty an array in JavaScript?
...0,A.length)
Using .splice() will work perfectly, but since the .splice() function will return an array with all the removed items, it will actually return a copy of the original array. Benchmarks suggest that this has no effect on performance whatsoever.
Method 4 (as suggested by tanguy_k)
while...