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Placing border inside of div and not on its edge
...div>
Using ::after you are styling the virtual last child of the selected element. content property creates an anonymous replaced element.
We are containing the pseudo element using absolute position relative to the parent. Then you have freedom to have whatever custom background and/or b...
How to Copy Contents of One Canvas to Another Canvas Locally
... are building a website that uses lots of image/canvas operations.
// select canvas elements
var sourceCanvas = document.getElementById("some-unique-id");
var destCanvas = document.getElementsByClassName("some-class-selector")[0];
//copy canvas by DataUrl
var sourceImageData = ...
Using PowerShell credentials without being prompted for a password
...=========
function Export-Credential($cred, $path) {
$cred = $cred | Select-Object *
$cred.password = $cred.Password | ConvertFrom-SecureString
$cred | Export-Clixml $path
}
You use it like this:
$Credentials = Get-MyCredential (join-path ($PsScriptRoot) Syncred.xml)
If the cr...
UILabel - Wordwrap text
..., Swift 4
Wrapping the Text for a label can also be done on Storyboard by selecting the Label, and using Attributes Inspector.
Lines = 0
Linebreak = Word Wrap
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Continuous Integration for Ruby on Rails? [closed]
...udson. It is designed for use with Java projects although there is a great selection of plug-ins available including support for Ruby and Rake. It has a very useful web interface and supports email notifications as well as many others (like twitter, or giant bear lamps).
The community is also ver...
What is the difference between pluck and collect in Rails?
...ds with Rails 4, still use pluck
if you need some fields with Rails 3, use selectand collect
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How can I change a secret Gist to public?
...
Update:
You can still convert a secret gist to a public gist by first selecting "Edit" -> "Make Public". This feature has been partially rolled back, however, since 12/15/16 and you will no longer be able to switch it back to secret.
From the docs:
After creating a gist, you cannot conv...
Why does dividing two int not yield the right value when assigned to double?
...oo(int);
void foo(double);
void (*p)(double) = &foo; // automatically selects `foo(fouble)`
This is one context where the left-hand side of an assignment/initialization affects the behavior of the right-hand side. (Also, reference-to-array initialization prevents array type decay, which is an...
Debug vs. Release performance
...ult. The ones
that move code around like
loop-invariant hoisting. In selected
cases, this can make a big difference
in performance. Not usually though.
Mapping breakpoints to execution
addresses is the job of the debugger.
It uses the .pdb file and info
generated by the JIT co...
what is the most efficient way of counting occurrences in pandas?
...].astype('str').stack().value_counts().sum() which equates to setting each selected column to str type, stacking all individual columns on top, forming basically one column and then doing the value_counts() and sum() on that one column. :) Stack is pretty useful, it might not be the most obvious cho...