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Using Gulp to Concatenate and Uglify files
...
Coming from grunt it was a little confusing at first but it makes sense now. I hope it helps the gulp noobs.
And, if you need sourcemaps, here's the updated code:
var gulp = require('gulp'),
gp_concat = require('gulp-concat'),
gp_rename = require('gulp-rename'),
gp_uglify = require(...
How to make a promise from setTimeout
...ions for resolving/rejecting the promise as arguments.
First, since async now has a meaning in JavaScript (even though it's only a keyword in certain contexts), I'm going to use later as the name of the function to avoid confusion.
Basic Delay
Using native promises (or a faithful polyfill) it wou...
Expand a random range from 1–5 to 1–7
... sampling, e.g.:
int i;
do
{
i = 5 * (rand5() - 1) + rand5(); // i is now uniformly random between 1 and 25
} while(i > 21);
// i is now uniformly random between 1 and 21
return i % 7 + 1; // result is now uniformly random between 1 and 7
This has an expected runtime of 25/21 = 1.19 itera...
Interface type check with Typescript
...ou want without the instanceof keyword as you can write custom type guards now:
interface A{
member:string;
}
function instanceOfA(object: any): object is A {
return 'member' in object;
}
var a:any={member:"foobar"};
if (instanceOfA(a)) {
alert(a.member);
}
Lots of Members
If you ...
How to use Google App Engine with my own naked domain (not subdomain)?
...
[Update April 2016] This answer is now outdated, custom naked domain mapping is supported, see Lawrence Mok's answer.
I have figured it out!
First off: it is impossible to link something like mydomain.com with your appspot app. This is considered a naked dom...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...your laptop (-Y with X-forwarding)
$ssh -Y pi@10.42.0.96
Lo and behold! Now your RPi is connected to your laptop and RPi can share the WiFi connection.
pi@raspberrypi ~ $
Share display & keyboard of your laptop with RPi
Install vncserver on Raspberry Pi
$ sudo apt-get update
$ sudo ap...
Why doesn't nodelist have forEach?
...nner text, but found that nodelist does not have a forEach method. I know that nodelist doesn't inherit from Array , but doesn't it seem like forEach would be a useful method to have? Is there a particular implementation issue I am not aware of that prevents adding forEach to nodelist ?...
How can I undo a `git commit` locally and on a remote after `git push`
...ommits. copy that number from the commit that you want to return back.
2. Now, type in below command:
git reset --hard your_that_copied_string_but_without_quote_mark
you should see message like "HEAD is now at ". you are on clear. What it just have done is to reflect that change locally.
3. Now...
Python speed testing - Time Difference - milliseconds
...roseconds
>>> import datetime
>>> a = datetime.datetime.now()
>>> b = datetime.datetime.now()
>>> c = b - a
>>> c
datetime.timedelta(0, 4, 316543)
>>> c.days
0
>>> c.seconds
4
>>> c.microseconds
316543
Be aware that c.micros...
Test if remote TCP port is open from a shell script
... > /dev/tcp/sfsfdfdff.com/80'
bash: sfsfdfdff.com: Name or service not known
bash: /dev/tcp/sfsfdfdff.com/80: Invalid argument
$ echo $?
1
# Connection not established by the timeout
$ timeout 1 bash -c 'cat < /dev/null > /dev/tcp/google.com/81'
$ echo $?
124
What's happening here is tha...