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can you host a private repository for your organization to use with npm?
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There is an easy to use npm package to do this.
https://www.npmjs.org/package/sinopia
In a nutshell, Sinopia is a private/caching npm repository server that you can setup with zero configuration.
Sinopia can be used to :
publish own private packages without exposing it to the ...
How can I check if a background image is loaded?
...g with it's event listener:
Short version:
const imageUrl = "https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png";
let bgElement = document.querySelector("body");
let preloaderImg = document.createElement("img");
preloaderImg.src = imageUrl;
preloaderImg.ad...
Asynchronous shell exec in PHP
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if the user you run apache (usually www-data) doesn't have the permissions to use at and you can't configure it to, you can try to use <?php exec('sudo sh -c "echo \"command\" | at now" '); If command contains quotes, see escapeshellarg to save you headaches...
Turning a string into a Uri in Android
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Uri myUri = Uri.parse("http://www.google.com");
Here's the doc http://developer.android.com/reference/android/net/Uri.html#parse%28java.lang.String%29
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What do 'lazy' and 'greedy' mean in the context of regular expressions?
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Greedy will consume as much as possible. From http://www.regular-expressions.info/repeat.html we see the example of trying to match HTML tags with <.+>. Suppose you have the following:
<em>Hello World</em>
You may think that <.+> (. means any non newl...
Regular Expression for alphanumeric and underscores
...ppreciate the readability of the full POSIX character class names ( http://www.zytrax.com/tech/web/regex.htm#special ), so I'd say:
^[[:alnum:]_]+$
However, while the documentation at the above links states that \w will "Match any character in the range 0 - 9, A - Z and a - z (equivalent of POSI...
What is the meaning of the term arena in relation to memory?
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From http://www.bozemanpass.com/info/linux/malloc/Linux_Heap_Contention.html:
The libc.so.x shared library contains the glibc component and the heap
code resides inside it. The current implementation of the heap uses
multiple ind...
What does the “+” (plus sign) CSS selector mean?
...n more
http://css-tricks.com/almanac/selectors/a/adjacent-sibling/
http://www.w3.org/TR/CSS2/selector.html#adjacent-selectors
https://developer.mozilla.org/en-US/docs/Web/CSS/Adjacent_sibling_selectors
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What is the size of an enum in C?
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Taken from the current C Standard (C99): http://www.open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf
6.7.2.2 Enumeration specifiers
[...]
Constraints
The expression that defines the value of an enumeration constant shall be an integer
constant expression that has...
Python Flask, how to set content type
...ef hello():
headers={ 'content-type':'text/plain' ,'location':'http://www.stackoverflow'}
response = make_response('<h1>hello world</h1>',301)
response.headers = headers
return response
case two：
@app.route('/hello')
def hello():
headers={ 'content-type':'text/...