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Placeholder Mixin SCSS/CSS
...t
As of Sass 3.4, this mixin can be written like so to work both nested and unnested:
@mixin optional-at-root($sel) {
@at-root #{if(not &, $sel, selector-append(&, $sel))} {
@content;
}
}
@mixin placeholder {
@include optional-at-root('::-webkit-input-placeholder') {
@cont...
Check if a div exists with jquery [duplicate]
... though I can't think of how this would come up, that you need to run thousands of select queries over and over). It's just much more verbose, over the course of a lot of javascript that really adds up to more space and less readability.
– Jamie Treworgy
Aug 1 ...
Show data on mouseover of circle
...ement to each circle, as the browser will take care of showing the tooltip and you don't need the mousehandler. The code would be something like
vis.selectAll("circle")
.data(datafiltered).enter().append("svg:circle")
...
.append("svg:title")
.text(function(d) { return d.x; });
If you...
What should I do if the current ASP.NET session is null?
... the HttpApplication.AcquireRequestState event.
Your code runs in an IHttpHandler, that does not specify either the IRequiresSessionState or IReadOnlySessionState interface.
If you only have code in pages, you won't run into this. Most of my ASP .NET code uses Session without checking for null repe...
Spring Test & Security: How to mock authentication?
...ntrollers are properly secured. Just in case someone changes things around and accidentally removes security settings.
7 A...
Zip lists in Python
... a3 a4 a5 a6 a7...
b: b1 b2 b3 b4 b5 b6 b7...
c: c1 c2 c3 c4 c5 c6 c7...
and "zips" them into one list whose entries are 3-tuples (ai, bi, ci). Imagine drawing a zipper horizontally from left to right.
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Creating .pem file for APNS?
...
Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Certificates category. Yo...
How to merge two sorted arrays into a sorted array? [closed]
This was asked of me in an interview and this is the solution I provided:
31 Answers
3...
Visual Studio move project to a different folder
...ct from your solution by right-clicking it in the Solution Explorer window and choosing Remove. Move the entire project folder, including subdirectories wherever you want it to go. Add the project back to your solution.
Namespace names is something completely different, just edit the source code....
Check orientation on Android phone
How can I check if the Android phone is in Landscape or Portrait?
23 Answers
23
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