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Read values into a shell variable from a pipe
...s:
echo "hello world" | { read test; echo test=$test; }
or even write a function like this:
read_from_pipe() { read "$@" <&0; }
But there's no point - your variable assignments may not last! A pipeline may spawn a subshell, where the environment is inherited by value, not by reference. ...
Graphviz: How to go from .dot to a graph?
...standard) ...
Pick your .dot file.
You can zoom in, export, all kinds of fun stuff.
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Dynamic validation and name in a form with AngularJS
...olution created by @caitp and @Thinkscape:
// Workaround for bug #1404
// https://github.com/angular/angular.js/issues/1404
// Source: http://plnkr.co/edit/hSMzWC?p=preview
app.config(['$provide', function($provide) {
$provide.decorator('ngModelDirective', function($delegate) {
var ngMo...
How set maximum date in datepicker dialog in android?
...
Here's a Kotlin extension function:
fun EditText.transformIntoDatePicker(context: Context, format: String, maxDate: Date? = null) {
isFocusableInTouchMode = false
isClickable = true
isFocusable = false
val myCalendar = Calendar.getIn...
Can you autoplay HTML5 videos on the iPad?
... track).
To see a full list of these restrictions, see the official docs: https://webkit.org/blog/6784/new-video-policies-for-ios/
iOS 9 and before
As of iOS 6.1, it is no longer possible to auto-play videos on the iPad.
My assumption as to why they've disabled the auto-play feature?
Well, as...
How to have an automatic timestamp in SQLite?
...
Reading datefunc a working example of automatic datetime completion would be:
sqlite> CREATE TABLE 'test' (
...> 'id' INTEGER PRIMARY KEY,
...> 'dt1' DATETIME NOT NULL DEFAULT (datetime(CURRENT_TIMESTAMP, 'localtim...
PHP Redirect with POST data
...is some pseudocode
HTML:
<form id="paymentForm" method="post" action="https://example.com">
<input type="hidden" id="customInvoiceId" .... />
<input type="hidden" .... />
<input type="submit" id="submitButton" />
</form>
JS (using jQuery for convenience but t...
Using Python String Formatting with Lists
...
This was a fun question! Another way to handle this for variable length lists is to build a function that takes full advantage of the .format method and list unpacking. In the following example I don't use any fancy formatting, but that...
Parse a .py file, read the AST, modify it, then write back the modified source code
...l tested) and extensible piece of code which generates code from ast tree: https://github.com/paluh/code-formatter .
I'm using my project as a base for a small vim plugin (which I'm using every day), so my goal is to generate really nice and readable python code.
P.S.
I've tried to extend codegen ...
What is the boundary in multipart/form-data?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...